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| <pre><span class="sourceLineNo">001</span>/*<a name="line.1"></a> |
| <span class="sourceLineNo">002</span> * Licensed to the Apache Software Foundation (ASF) under one<a name="line.2"></a> |
| <span class="sourceLineNo">003</span> * or more contributor license agreements. See the NOTICE file<a name="line.3"></a> |
| <span class="sourceLineNo">004</span> * distributed with this work for additional information<a name="line.4"></a> |
| <span class="sourceLineNo">005</span> * regarding copyright ownership. The ASF licenses this file<a name="line.5"></a> |
| <span class="sourceLineNo">006</span> * to you under the Apache License, Version 2.0 (the<a name="line.6"></a> |
| <span class="sourceLineNo">007</span> * "License"); you may not use this file except in compliance<a name="line.7"></a> |
| <span class="sourceLineNo">008</span> * with the License. You may obtain a copy of the License at<a name="line.8"></a> |
| <span class="sourceLineNo">009</span> *<a name="line.9"></a> |
| <span class="sourceLineNo">010</span> * http://www.apache.org/licenses/LICENSE-2.0<a name="line.10"></a> |
| <span class="sourceLineNo">011</span> *<a name="line.11"></a> |
| <span class="sourceLineNo">012</span> * Unless required by applicable law or agreed to in writing,<a name="line.12"></a> |
| <span class="sourceLineNo">013</span> * software distributed under the License is distributed on an<a name="line.13"></a> |
| <span class="sourceLineNo">014</span> * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY<a name="line.14"></a> |
| <span class="sourceLineNo">015</span> * KIND, either express or implied. See the License for the<a name="line.15"></a> |
| <span class="sourceLineNo">016</span> * specific language governing permissions and limitations<a name="line.16"></a> |
| <span class="sourceLineNo">017</span> * under the License.<a name="line.17"></a> |
| <span class="sourceLineNo">018</span> */<a name="line.18"></a> |
| <span class="sourceLineNo">019</span>package org.apache.felix.ipojo;<a name="line.19"></a> |
| <span class="sourceLineNo">020</span><a name="line.20"></a> |
| <span class="sourceLineNo">021</span>import java.lang.reflect.Constructor;<a name="line.21"></a> |
| <span class="sourceLineNo">022</span>import java.lang.reflect.Field;<a name="line.22"></a> |
| <span class="sourceLineNo">023</span>import java.lang.reflect.InvocationTargetException;<a name="line.23"></a> |
| <span class="sourceLineNo">024</span>import java.lang.reflect.Member;<a name="line.24"></a> |
| <span class="sourceLineNo">025</span>import java.lang.reflect.Method;<a name="line.25"></a> |
| <span class="sourceLineNo">026</span>import java.util.*;<a name="line.26"></a> |
| <span class="sourceLineNo">027</span><a name="line.27"></a> |
| <span class="sourceLineNo">028</span>import org.apache.felix.ipojo.architecture.InstanceDescription;<a name="line.28"></a> |
| <span class="sourceLineNo">029</span>import org.apache.felix.ipojo.metadata.Element;<a name="line.29"></a> |
| <span class="sourceLineNo">030</span>import org.apache.felix.ipojo.parser.FieldMetadata;<a name="line.30"></a> |
| <span class="sourceLineNo">031</span>import org.apache.felix.ipojo.parser.MethodMetadata;<a name="line.31"></a> |
| <span class="sourceLineNo">032</span>import org.apache.felix.ipojo.util.Logger;<a name="line.32"></a> |
| <span class="sourceLineNo">033</span>import org.apache.felix.ipojo.util.Property;<a name="line.33"></a> |
| <span class="sourceLineNo">034</span>import org.osgi.framework.BundleContext;<a name="line.34"></a> |
| <span class="sourceLineNo">035</span><a name="line.35"></a> |
| <span class="sourceLineNo">036</span>/**<a name="line.36"></a> |
| <span class="sourceLineNo">037</span> * This class defines the container of primitive instances. It manages content initialization<a name="line.37"></a> |
| <span class="sourceLineNo">038</span> * and handlers cooperation.<a name="line.38"></a> |
| <span class="sourceLineNo">039</span> * @author <a href="mailto:dev@felix.apache.org">Felix Project Team</a><a name="line.39"></a> |
| <span class="sourceLineNo">040</span> */<a name="line.40"></a> |
| <span class="sourceLineNo">041</span>public class InstanceManager implements ComponentInstance, InstanceStateListener {<a name="line.41"></a> |
| <span class="sourceLineNo">042</span> /**<a name="line.42"></a> |
| <span class="sourceLineNo">043</span> * The name of the component instance.<a name="line.43"></a> |
| <span class="sourceLineNo">044</span> */<a name="line.44"></a> |
| <span class="sourceLineNo">045</span> protected String m_name;<a name="line.45"></a> |
| <span class="sourceLineNo">046</span><a name="line.46"></a> |
| <span class="sourceLineNo">047</span> /**<a name="line.47"></a> |
| <span class="sourceLineNo">048</span> * The name of the component type implementation class.<a name="line.48"></a> |
| <span class="sourceLineNo">049</span> */<a name="line.49"></a> |
| <span class="sourceLineNo">050</span> protected String m_className;<a name="line.50"></a> |
| <span class="sourceLineNo">051</span><a name="line.51"></a> |
| <span class="sourceLineNo">052</span> /**<a name="line.52"></a> |
| <span class="sourceLineNo">053</span> * The handler object list.<a name="line.53"></a> |
| <span class="sourceLineNo">054</span> */<a name="line.54"></a> |
| <span class="sourceLineNo">055</span> protected final HandlerManager[] m_handlers;<a name="line.55"></a> |
| <span class="sourceLineNo">056</span><a name="line.56"></a> |
| <span class="sourceLineNo">057</span> /**<a name="line.57"></a> |
| <span class="sourceLineNo">058</span> * The current instance state ({@link ComponentInstance#STOPPED} at the beginning).<a name="line.58"></a> |
| <span class="sourceLineNo">059</span> * Possible value are<a name="line.59"></a> |
| <span class="sourceLineNo">060</span> * <li>{@link ComponentInstance#INVALID}</li><a name="line.60"></a> |
| <span class="sourceLineNo">061</span> * <li>{@link ComponentInstance#VALID}</li><a name="line.61"></a> |
| <span class="sourceLineNo">062</span> * <li>{@link ComponentInstance#DISPOSED}</li><a name="line.62"></a> |
| <span class="sourceLineNo">063</span> * <li>{@link ComponentInstance#STOPPED}</li><a name="line.63"></a> |
| <span class="sourceLineNo">064</span> */<a name="line.64"></a> |
| <span class="sourceLineNo">065</span> protected int m_state = STOPPED;<a name="line.65"></a> |
| <span class="sourceLineNo">066</span><a name="line.66"></a> |
| <span class="sourceLineNo">067</span> /**<a name="line.67"></a> |
| <span class="sourceLineNo">068</span> * The instance state listener list.<a name="line.68"></a> |
| <span class="sourceLineNo">069</span> * @see InstanceStateListener<a name="line.69"></a> |
| <span class="sourceLineNo">070</span> */<a name="line.70"></a> |
| <span class="sourceLineNo">071</span> protected List m_listeners = null;<a name="line.71"></a> |
| <span class="sourceLineNo">072</span><a name="line.72"></a> |
| <span class="sourceLineNo">073</span> /**<a name="line.73"></a> |
| <span class="sourceLineNo">074</span> * The content of the current instance.<a name="line.74"></a> |
| <span class="sourceLineNo">075</span> */<a name="line.75"></a> |
| <span class="sourceLineNo">076</span> protected List m_pojoObjects;<a name="line.76"></a> |
| <span class="sourceLineNo">077</span><a name="line.77"></a> |
| <span class="sourceLineNo">078</span> /**<a name="line.78"></a> |
| <span class="sourceLineNo">079</span> * The instance factory.<a name="line.79"></a> |
| <span class="sourceLineNo">080</span> */<a name="line.80"></a> |
| <span class="sourceLineNo">081</span> private final ComponentFactory m_factory;<a name="line.81"></a> |
| <span class="sourceLineNo">082</span><a name="line.82"></a> |
| <span class="sourceLineNo">083</span> /**<a name="line.83"></a> |
| <span class="sourceLineNo">084</span> * The instance logger.<a name="line.84"></a> |
| <span class="sourceLineNo">085</span> */<a name="line.85"></a> |
| <span class="sourceLineNo">086</span> private final Logger m_logger;<a name="line.86"></a> |
| <span class="sourceLineNo">087</span><a name="line.87"></a> |
| <span class="sourceLineNo">088</span> /**<a name="line.88"></a> |
| <span class="sourceLineNo">089</span> * The instance description.<a name="line.89"></a> |
| <span class="sourceLineNo">090</span> */<a name="line.90"></a> |
| <span class="sourceLineNo">091</span> private final PrimitiveInstanceDescription m_description;<a name="line.91"></a> |
| <span class="sourceLineNo">092</span><a name="line.92"></a> |
| <span class="sourceLineNo">093</span> /**<a name="line.93"></a> |
| <span class="sourceLineNo">094</span> * The bundle context of the instance.<a name="line.94"></a> |
| <span class="sourceLineNo">095</span> */<a name="line.95"></a> |
| <span class="sourceLineNo">096</span> private final BundleContext m_context;<a name="line.96"></a> |
| <span class="sourceLineNo">097</span><a name="line.97"></a> |
| <span class="sourceLineNo">098</span> /**<a name="line.98"></a> |
| <span class="sourceLineNo">099</span> * The map [field, {@link FieldInterceptor} list] storing interceptors monitoring fields.<a name="line.99"></a> |
| <span class="sourceLineNo">100</span> * Once configured, this map can't change.<a name="line.100"></a> |
| <span class="sourceLineNo">101</span> */<a name="line.101"></a> |
| <span class="sourceLineNo">102</span> private Map m_fieldRegistration;<a name="line.102"></a> |
| <span class="sourceLineNo">103</span><a name="line.103"></a> |
| <span class="sourceLineNo">104</span> /**<a name="line.104"></a> |
| <span class="sourceLineNo">105</span> * the map [method identifier, {@link MethodInterceptor} list] interested<a name="line.105"></a> |
| <span class="sourceLineNo">106</span> * by the method.<a name="line.106"></a> |
| <span class="sourceLineNo">107</span> * Once configured, this map can't change.<a name="line.107"></a> |
| <span class="sourceLineNo">108</span> */<a name="line.108"></a> |
| <span class="sourceLineNo">109</span> private Map m_methodRegistration;<a name="line.109"></a> |
| <span class="sourceLineNo">110</span><a name="line.110"></a> |
| <span class="sourceLineNo">111</span> /**<a name="line.111"></a> |
| <span class="sourceLineNo">112</span> * the map (sorted by parameter index) or {@link ConstructorInjector} interested by<a name="line.112"></a> |
| <span class="sourceLineNo">113</span> * injecting constructor parameter.<a name="line.113"></a> |
| <span class="sourceLineNo">114</span> * Once configured, this list can't change.<a name="line.114"></a> |
| <span class="sourceLineNo">115</span> */<a name="line.115"></a> |
| <span class="sourceLineNo">116</span> private Map m_constructorRegistration;<a name="line.116"></a> |
| <span class="sourceLineNo">117</span><a name="line.117"></a> |
| <span class="sourceLineNo">118</span> /**<a name="line.118"></a> |
| <span class="sourceLineNo">119</span> * The manipulated class.<a name="line.119"></a> |
| <span class="sourceLineNo">120</span> * Once set, this field doesn't change.<a name="line.120"></a> |
| <span class="sourceLineNo">121</span> */<a name="line.121"></a> |
| <span class="sourceLineNo">122</span> private Class m_clazz;<a name="line.122"></a> |
| <span class="sourceLineNo">123</span><a name="line.123"></a> |
| <span class="sourceLineNo">124</span> /**<a name="line.124"></a> |
| <span class="sourceLineNo">125</span> * The factory method used to create content objects.<a name="line.125"></a> |
| <span class="sourceLineNo">126</span> * If <code>null</code>, the regular constructor is used.<a name="line.126"></a> |
| <span class="sourceLineNo">127</span> * Once set, this field is immutable.<a name="line.127"></a> |
| <span class="sourceLineNo">128</span> */<a name="line.128"></a> |
| <span class="sourceLineNo">129</span> private String m_factoryMethod = null;<a name="line.129"></a> |
| <span class="sourceLineNo">130</span><a name="line.130"></a> |
| <span class="sourceLineNo">131</span> /**<a name="line.131"></a> |
| <span class="sourceLineNo">132</span> * Is the component instance state changing?<a name="line.132"></a> |
| <span class="sourceLineNo">133</span> */<a name="line.133"></a> |
| <span class="sourceLineNo">134</span> private boolean m_inTransition = false;<a name="line.134"></a> |
| <span class="sourceLineNo">135</span><a name="line.135"></a> |
| <span class="sourceLineNo">136</span> /**<a name="line.136"></a> |
| <span class="sourceLineNo">137</span> * The queue of stored state changed.<a name="line.137"></a> |
| <span class="sourceLineNo">138</span> */<a name="line.138"></a> |
| <span class="sourceLineNo">139</span> private List m_stateQueue = new ArrayList();<a name="line.139"></a> |
| <span class="sourceLineNo">140</span><a name="line.140"></a> |
| <span class="sourceLineNo">141</span> /**<a name="line.141"></a> |
| <span class="sourceLineNo">142</span> * The map of [field, value], storing POJO managed<a name="line.142"></a> |
| <span class="sourceLineNo">143</span> * field value.<a name="line.143"></a> |
| <span class="sourceLineNo">144</span> */<a name="line.144"></a> |
| <span class="sourceLineNo">145</span> private Map m_fields = new HashMap();<a name="line.145"></a> |
| <span class="sourceLineNo">146</span><a name="line.146"></a> |
| <span class="sourceLineNo">147</span> /**<a name="line.147"></a> |
| <span class="sourceLineNo">148</span> * The Map storing the Method objects by ids.<a name="line.148"></a> |
| <span class="sourceLineNo">149</span> * [id=>{@link Method}].<a name="line.149"></a> |
| <span class="sourceLineNo">150</span> */<a name="line.150"></a> |
| <span class="sourceLineNo">151</span> private Map m_methods = new HashMap();<a name="line.151"></a> |
| <span class="sourceLineNo">152</span><a name="line.152"></a> |
| <span class="sourceLineNo">153</span><a name="line.153"></a> |
| <span class="sourceLineNo">154</span> /**<a name="line.154"></a> |
| <span class="sourceLineNo">155</span> * Creates a new Component Manager.<a name="line.155"></a> |
| <span class="sourceLineNo">156</span> * The instance is not initialized.<a name="line.156"></a> |
| <span class="sourceLineNo">157</span> * @param factory the factory managing the instance manager<a name="line.157"></a> |
| <span class="sourceLineNo">158</span> * @param context the bundle context to give to the instance<a name="line.158"></a> |
| <span class="sourceLineNo">159</span> * @param handlers handler object array<a name="line.159"></a> |
| <span class="sourceLineNo">160</span> */<a name="line.160"></a> |
| <span class="sourceLineNo">161</span> public InstanceManager(ComponentFactory factory, BundleContext context, HandlerManager[] handlers) {<a name="line.161"></a> |
| <span class="sourceLineNo">162</span> m_factory = factory;<a name="line.162"></a> |
| <span class="sourceLineNo">163</span> m_context = context;<a name="line.163"></a> |
| <span class="sourceLineNo">164</span> m_handlers = handlers;<a name="line.164"></a> |
| <span class="sourceLineNo">165</span> m_description = new PrimitiveInstanceDescription(m_factory.getComponentDescription(), this);<a name="line.165"></a> |
| <span class="sourceLineNo">166</span> m_logger = new Logger(m_context, this);<a name="line.166"></a> |
| <span class="sourceLineNo">167</span> }<a name="line.167"></a> |
| <span class="sourceLineNo">168</span><a name="line.168"></a> |
| <span class="sourceLineNo">169</span> /**<a name="line.169"></a> |
| <span class="sourceLineNo">170</span> * The instance logger.<a name="line.170"></a> |
| <span class="sourceLineNo">171</span> * @return the logger<a name="line.171"></a> |
| <span class="sourceLineNo">172</span> */<a name="line.172"></a> |
| <span class="sourceLineNo">173</span> public Logger getLogger() {<a name="line.173"></a> |
| <span class="sourceLineNo">174</span> return m_logger;<a name="line.174"></a> |
| <span class="sourceLineNo">175</span> }<a name="line.175"></a> |
| <span class="sourceLineNo">176</span><a name="line.176"></a> |
| <span class="sourceLineNo">177</span> /**<a name="line.177"></a> |
| <span class="sourceLineNo">178</span> * Configures the instance manager.<a name="line.178"></a> |
| <span class="sourceLineNo">179</span> * Sets the class name, and the instance name as well as the factory method.<a name="line.179"></a> |
| <span class="sourceLineNo">180</span> * Initializes handlers.<a name="line.180"></a> |
| <span class="sourceLineNo">181</span> * @param metadata the component type metadata<a name="line.181"></a> |
| <span class="sourceLineNo">182</span> * @param configuration the configuration of the instance<a name="line.182"></a> |
| <span class="sourceLineNo">183</span> * @throws ConfigurationException if the metadata are not correct<a name="line.183"></a> |
| <span class="sourceLineNo">184</span> */<a name="line.184"></a> |
| <span class="sourceLineNo">185</span> public void configure(Element metadata, Dictionary configuration) throws ConfigurationException {<a name="line.185"></a> |
| <span class="sourceLineNo">186</span> m_className = metadata.getAttribute("classname");<a name="line.186"></a> |
| <span class="sourceLineNo">187</span><a name="line.187"></a> |
| <span class="sourceLineNo">188</span> // Add the name<a name="line.188"></a> |
| <span class="sourceLineNo">189</span> m_name = (String) configuration.get(Factory.INSTANCE_NAME_PROPERTY);<a name="line.189"></a> |
| <span class="sourceLineNo">190</span><a name="line.190"></a> |
| <span class="sourceLineNo">191</span> // Check if an object is injected in the instance<a name="line.191"></a> |
| <span class="sourceLineNo">192</span> Object obj = configuration.get("instance.object");<a name="line.192"></a> |
| <span class="sourceLineNo">193</span> if (obj != null) {<a name="line.193"></a> |
| <span class="sourceLineNo">194</span> m_pojoObjects = new ArrayList(1);<a name="line.194"></a> |
| <span class="sourceLineNo">195</span> m_pojoObjects.add(obj);<a name="line.195"></a> |
| <span class="sourceLineNo">196</span> }<a name="line.196"></a> |
| <span class="sourceLineNo">197</span><a name="line.197"></a> |
| <span class="sourceLineNo">198</span> // Get the factory method if presents.<a name="line.198"></a> |
| <span class="sourceLineNo">199</span> m_factoryMethod = (String) metadata.getAttribute("factory-method");<a name="line.199"></a> |
| <span class="sourceLineNo">200</span><a name="line.200"></a> |
| <span class="sourceLineNo">201</span> // Create the standard handlers and add these handlers to the list<a name="line.201"></a> |
| <span class="sourceLineNo">202</span> for (int i = 0; i < m_handlers.length; i++) {<a name="line.202"></a> |
| <span class="sourceLineNo">203</span> m_handlers[i].init(this, metadata, configuration);<a name="line.203"></a> |
| <span class="sourceLineNo">204</span> }<a name="line.204"></a> |
| <span class="sourceLineNo">205</span> <a name="line.205"></a> |
| <span class="sourceLineNo">206</span> // Fix for Felix-3576<a name="line.206"></a> |
| <span class="sourceLineNo">207</span> handleBCInjections();<a name="line.207"></a> |
| <span class="sourceLineNo">208</span><a name="line.208"></a> |
| <span class="sourceLineNo">209</span> // Check that the constructor parameter are continuous.<a name="line.209"></a> |
| <span class="sourceLineNo">210</span> if (m_constructorRegistration != null) {<a name="line.210"></a> |
| <span class="sourceLineNo">211</span> for (int i = 0; i < m_constructorRegistration.size(); i++) {<a name="line.211"></a> |
| <span class="sourceLineNo">212</span> if (! m_constructorRegistration.containsKey(new Integer(i))) {<a name="line.212"></a> |
| <span class="sourceLineNo">213</span> throw new ConfigurationException("The constructor parameter " + i + " is not managed");<a name="line.213"></a> |
| <span class="sourceLineNo">214</span> }<a name="line.214"></a> |
| <span class="sourceLineNo">215</span> }<a name="line.215"></a> |
| <span class="sourceLineNo">216</span> }<a name="line.216"></a> |
| <span class="sourceLineNo">217</span> }<a name="line.217"></a> |
| <span class="sourceLineNo">218</span> <a name="line.218"></a> |
| <span class="sourceLineNo">219</span> /**<a name="line.219"></a> |
| <span class="sourceLineNo">220</span> * BundleContext injection is not registered with the InstanceManager.<a name="line.220"></a> |
| <span class="sourceLineNo">221</span> * We're iterating through factory's all constructors and register first<a name="line.221"></a> |
| <span class="sourceLineNo">222</span> * BundleContext parameter as constructor injection. So rest of the code<a name="line.222"></a> |
| <span class="sourceLineNo">223</span> * don't have to do anything to handle BundleContext mixed with other<a name="line.223"></a> |
| <span class="sourceLineNo">224</span> * injections.<a name="line.224"></a> |
| <span class="sourceLineNo">225</span> * <a name="line.225"></a> |
| <span class="sourceLineNo">226</span> * @throws ConfigurationException<a name="line.226"></a> |
| <span class="sourceLineNo">227</span> */<a name="line.227"></a> |
| <span class="sourceLineNo">228</span> private void handleBCInjections() throws ConfigurationException<a name="line.228"></a> |
| <span class="sourceLineNo">229</span> {<a name="line.229"></a> |
| <span class="sourceLineNo">230</span> MethodMetadata[] constructors = getFactory().getPojoMetadata().getConstructors();<a name="line.230"></a> |
| <span class="sourceLineNo">231</span> for(int i=0; i < constructors.length; i++ )<a name="line.231"></a> |
| <span class="sourceLineNo">232</span> {<a name="line.232"></a> |
| <span class="sourceLineNo">233</span> String[] ctorArguments = constructors[i].getMethodArguments();<a name="line.233"></a> |
| <span class="sourceLineNo">234</span> <a name="line.234"></a> |
| <span class="sourceLineNo">235</span> for(int index = 0; index < ctorArguments.length; index++ )<a name="line.235"></a> |
| <span class="sourceLineNo">236</span> {<a name="line.236"></a> |
| <span class="sourceLineNo">237</span> if(ctorArguments[index].equals(BundleContext.class.getName()))<a name="line.237"></a> |
| <span class="sourceLineNo">238</span> {<a name="line.238"></a> |
| <span class="sourceLineNo">239</span> //Check if its used with only other injections.<a name="line.239"></a> |
| <span class="sourceLineNo">240</span> boolean injectionsConsistent = true;<a name="line.240"></a> |
| <span class="sourceLineNo">241</span> for(int siblingIndex = 0; siblingIndex < ctorArguments.length; siblingIndex++)<a name="line.241"></a> |
| <span class="sourceLineNo">242</span> {<a name="line.242"></a> |
| <span class="sourceLineNo">243</span> if(siblingIndex == index){<a name="line.243"></a> |
| <span class="sourceLineNo">244</span> continue;<a name="line.244"></a> |
| <span class="sourceLineNo">245</span> }<a name="line.245"></a> |
| <span class="sourceLineNo">246</span> <a name="line.246"></a> |
| <span class="sourceLineNo">247</span> String injectionType = ctorArguments[siblingIndex];<a name="line.247"></a> |
| <span class="sourceLineNo">248</span> if(m_constructorRegistration.containsKey(new Integer(siblingIndex)))<a name="line.248"></a> |
| <span class="sourceLineNo">249</span> {<a name="line.249"></a> |
| <span class="sourceLineNo">250</span> ConstructorInjector siblingInjector = <a name="line.250"></a> |
| <span class="sourceLineNo">251</span> (ConstructorInjector)m_constructorRegistration.get(new Integer(siblingIndex));<a name="line.251"></a> |
| <span class="sourceLineNo">252</span> Class injectorClass = siblingInjector.getConstructorParameterType(siblingIndex);<a name="line.252"></a> |
| <span class="sourceLineNo">253</span> <a name="line.253"></a> |
| <span class="sourceLineNo">254</span> if(injectorClass != null && ! injectorClass.getName().equals(injectionType))<a name="line.254"></a> |
| <span class="sourceLineNo">255</span> {<a name="line.255"></a> |
| <span class="sourceLineNo">256</span> injectionsConsistent = false;<a name="line.256"></a> |
| <span class="sourceLineNo">257</span> break;<a name="line.257"></a> |
| <span class="sourceLineNo">258</span> }<a name="line.258"></a> |
| <span class="sourceLineNo">259</span> }<a name="line.259"></a> |
| <span class="sourceLineNo">260</span> else<a name="line.260"></a> |
| <span class="sourceLineNo">261</span> {<a name="line.261"></a> |
| <span class="sourceLineNo">262</span> injectionsConsistent = false;<a name="line.262"></a> |
| <span class="sourceLineNo">263</span> break;<a name="line.263"></a> |
| <span class="sourceLineNo">264</span> }<a name="line.264"></a> |
| <span class="sourceLineNo">265</span> }<a name="line.265"></a> |
| <span class="sourceLineNo">266</span> <a name="line.266"></a> |
| <span class="sourceLineNo">267</span> if(injectionsConsistent)<a name="line.267"></a> |
| <span class="sourceLineNo">268</span> {<a name="line.268"></a> |
| <span class="sourceLineNo">269</span> Property contextInjection = <a name="line.269"></a> |
| <span class="sourceLineNo">270</span> new Property("__context", null, null, index, null, <a name="line.270"></a> |
| <span class="sourceLineNo">271</span> BundleContext.class.getName(), this, null);<a name="line.271"></a> |
| <span class="sourceLineNo">272</span> <a name="line.272"></a> |
| <span class="sourceLineNo">273</span> contextInjection.setValue(getContext()); <a name="line.273"></a> |
| <span class="sourceLineNo">274</span> register(index, contextInjection);<a name="line.274"></a> |
| <span class="sourceLineNo">275</span> <a name="line.275"></a> |
| <span class="sourceLineNo">276</span> // We register the first valid BC injection.<a name="line.276"></a> |
| <span class="sourceLineNo">277</span> break;<a name="line.277"></a> |
| <span class="sourceLineNo">278</span> }<a name="line.278"></a> |
| <span class="sourceLineNo">279</span> }<a name="line.279"></a> |
| <span class="sourceLineNo">280</span> }<a name="line.280"></a> |
| <span class="sourceLineNo">281</span> }<a name="line.281"></a> |
| <span class="sourceLineNo">282</span> }<a name="line.282"></a> |
| <span class="sourceLineNo">283</span><a name="line.283"></a> |
| <span class="sourceLineNo">284</span> /**<a name="line.284"></a> |
| <span class="sourceLineNo">285</span> * Gets the description of the current instance.<a name="line.285"></a> |
| <span class="sourceLineNo">286</span> * @return the instance description.<a name="line.286"></a> |
| <span class="sourceLineNo">287</span> * @see org.apache.felix.ipojo.ComponentInstance#getInstanceDescription()<a name="line.287"></a> |
| <span class="sourceLineNo">288</span> */<a name="line.288"></a> |
| <span class="sourceLineNo">289</span> public InstanceDescription getInstanceDescription() {<a name="line.289"></a> |
| <span class="sourceLineNo">290</span> return m_description;<a name="line.290"></a> |
| <span class="sourceLineNo">291</span> }<a name="line.291"></a> |
| <span class="sourceLineNo">292</span><a name="line.292"></a> |
| <span class="sourceLineNo">293</span> /**<a name="line.293"></a> |
| <span class="sourceLineNo">294</span> * Gets the list of handlers plugged (i.e. attached) on the instance.<a name="line.294"></a> |
| <span class="sourceLineNo">295</span> * This method does not need a synchronized block as the handler set is constant.<a name="line.295"></a> |
| <span class="sourceLineNo">296</span> * @return the handler array of plugged handlers.<a name="line.296"></a> |
| <span class="sourceLineNo">297</span> */<a name="line.297"></a> |
| <span class="sourceLineNo">298</span> public Handler[] getRegisteredHandlers() {<a name="line.298"></a> |
| <span class="sourceLineNo">299</span> Handler[] handler = new Handler[m_handlers.length];<a name="line.299"></a> |
| <span class="sourceLineNo">300</span> for (int i = 0; i < m_handlers.length; i++) {<a name="line.300"></a> |
| <span class="sourceLineNo">301</span> handler[i] = m_handlers[i].getHandler();<a name="line.301"></a> |
| <span class="sourceLineNo">302</span> }<a name="line.302"></a> |
| <span class="sourceLineNo">303</span> return handler;<a name="line.303"></a> |
| <span class="sourceLineNo">304</span> }<a name="line.304"></a> |
| <span class="sourceLineNo">305</span><a name="line.305"></a> |
| <span class="sourceLineNo">306</span> /**<a name="line.306"></a> |
| <span class="sourceLineNo">307</span> * Returns a specified handler.<a name="line.307"></a> |
| <span class="sourceLineNo">308</span> * This method allows cross-handler interactions.<a name="line.308"></a> |
| <span class="sourceLineNo">309</span> * This must does not need a synchronized block as the handler set is constant.<a name="line.309"></a> |
| <span class="sourceLineNo">310</span> * @param name the class name of the handler to find or its qualified name (namespace:name)<a name="line.310"></a> |
| <span class="sourceLineNo">311</span> * @return the handler, or null if not found<a name="line.311"></a> |
| <span class="sourceLineNo">312</span> */<a name="line.312"></a> |
| <span class="sourceLineNo">313</span> public Handler getHandler(String name) {<a name="line.313"></a> |
| <span class="sourceLineNo">314</span> for (int i = 0; i < m_handlers.length; i++) {<a name="line.314"></a> |
| <span class="sourceLineNo">315</span> HandlerFactory fact = (HandlerFactory) m_handlers[i].getHandler().getHandlerManager().getFactory();<a name="line.315"></a> |
| <span class="sourceLineNo">316</span> if (fact.getHandlerName().equals(name)) {<a name="line.316"></a> |
| <span class="sourceLineNo">317</span> return m_handlers[i].getHandler();<a name="line.317"></a> |
| <span class="sourceLineNo">318</span> }<a name="line.318"></a> |
| <span class="sourceLineNo">319</span> }<a name="line.319"></a> |
| <span class="sourceLineNo">320</span> return null;<a name="line.320"></a> |
| <span class="sourceLineNo">321</span> }<a name="line.321"></a> |
| <span class="sourceLineNo">322</span><a name="line.322"></a> |
| <span class="sourceLineNo">323</span> /**<a name="line.323"></a> |
| <span class="sourceLineNo">324</span> * Gives access to a field value of the first created pojo.<a name="line.324"></a> |
| <span class="sourceLineNo">325</span> * This method processes by analyzing both managed fields and pojo fields (by reflection).<a name="line.325"></a> |
| <span class="sourceLineNo">326</span> * If no pojo were already created try only on managed fields.<a name="line.326"></a> |
| <span class="sourceLineNo">327</span> * @param fieldName the field name.<a name="line.327"></a> |
| <span class="sourceLineNo">328</span> * @return the field value, <code>null</code> is returned if the value is managed and not already set.<a name="line.328"></a> |
| <span class="sourceLineNo">329</span> */<a name="line.329"></a> |
| <span class="sourceLineNo">330</span> public synchronized Object getFieldValue(String fieldName) {<a name="line.330"></a> |
| <span class="sourceLineNo">331</span> if (m_pojoObjects == null) {<a name="line.331"></a> |
| <span class="sourceLineNo">332</span> return getFieldValue(fieldName, null);<a name="line.332"></a> |
| <span class="sourceLineNo">333</span> } else {<a name="line.333"></a> |
| <span class="sourceLineNo">334</span> return getFieldValue(fieldName, m_pojoObjects.get(0)); // Use the first pojo.<a name="line.334"></a> |
| <span class="sourceLineNo">335</span> }<a name="line.335"></a> |
| <span class="sourceLineNo">336</span> }<a name="line.336"></a> |
| <span class="sourceLineNo">337</span><a name="line.337"></a> |
| <span class="sourceLineNo">338</span> /**<a name="line.338"></a> |
| <span class="sourceLineNo">339</span> * Gives access to a field value to the given created pojo.<a name="line.339"></a> |
| <span class="sourceLineNo">340</span> * This method processes by analyzing both managed fields and pojo fields (by reflection).<a name="line.340"></a> |
| <span class="sourceLineNo">341</span> * If the given pojo is <code>null</code>, tries only on managed fields.<a name="line.341"></a> |
| <span class="sourceLineNo">342</span> * @param fieldName the field name.<a name="line.342"></a> |
| <span class="sourceLineNo">343</span> * @param pojo the pojo on which computing field value.<a name="line.343"></a> |
| <span class="sourceLineNo">344</span> * @return the field value, <code>null</code> is returned if the value is managed and not already set.<a name="line.344"></a> |
| <span class="sourceLineNo">345</span> */<a name="line.345"></a> |
| <span class="sourceLineNo">346</span> public synchronized Object getFieldValue(String fieldName, Object pojo) {<a name="line.346"></a> |
| <span class="sourceLineNo">347</span> Object setByContainer = null;<a name="line.347"></a> |
| <span class="sourceLineNo">348</span><a name="line.348"></a> |
| <span class="sourceLineNo">349</span> if (m_fields != null) {<a name="line.349"></a> |
| <span class="sourceLineNo">350</span> setByContainer = m_fields.get(fieldName);<a name="line.350"></a> |
| <span class="sourceLineNo">351</span> }<a name="line.351"></a> |
| <span class="sourceLineNo">352</span><a name="line.352"></a> |
| <span class="sourceLineNo">353</span> if (setByContainer == null && pojo != null) { // In the case of no given pojo, return null.<a name="line.353"></a> |
| <span class="sourceLineNo">354</span> // If null either the value was not already set or has the null value.<a name="line.354"></a> |
| <span class="sourceLineNo">355</span> try {<a name="line.355"></a> |
| <span class="sourceLineNo">356</span> Field field = pojo.getClass().getDeclaredField(fieldName);<a name="line.356"></a> |
| <span class="sourceLineNo">357</span> if (!field.isAccessible()) {<a name="line.357"></a> |
| <span class="sourceLineNo">358</span> field.setAccessible(true);<a name="line.358"></a> |
| <span class="sourceLineNo">359</span> }<a name="line.359"></a> |
| <span class="sourceLineNo">360</span> return field.get(pojo);<a name="line.360"></a> |
| <span class="sourceLineNo">361</span> } catch (SecurityException e) {<a name="line.361"></a> |
| <span class="sourceLineNo">362</span> m_logger.log(Logger.ERROR, "Cannot reflect on field " + fieldName + " to obtain the value : " + e.getMessage());<a name="line.362"></a> |
| <span class="sourceLineNo">363</span> } catch (NoSuchFieldException e) {<a name="line.363"></a> |
| <span class="sourceLineNo">364</span> m_logger.log(Logger.ERROR, "Cannot reflect on field " + fieldName + " to obtain the value : " + e.getMessage());<a name="line.364"></a> |
| <span class="sourceLineNo">365</span> } catch (IllegalArgumentException e) {<a name="line.365"></a> |
| <span class="sourceLineNo">366</span> m_logger.log(Logger.ERROR, "Cannot reflect on field " + fieldName + " to obtain the value : " + e.getMessage());<a name="line.366"></a> |
| <span class="sourceLineNo">367</span> } catch (IllegalAccessException e) {<a name="line.367"></a> |
| <span class="sourceLineNo">368</span> m_logger.log(Logger.ERROR, "Cannot reflect on field " + fieldName + " to obtain the value : " + e.getMessage());<a name="line.368"></a> |
| <span class="sourceLineNo">369</span> }<a name="line.369"></a> |
| <span class="sourceLineNo">370</span> return null;<a name="line.370"></a> |
| <span class="sourceLineNo">371</span> } else {<a name="line.371"></a> |
| <span class="sourceLineNo">372</span> return setByContainer;<a name="line.372"></a> |
| <span class="sourceLineNo">373</span> }<a name="line.373"></a> |
| <span class="sourceLineNo">374</span> }<a name="line.374"></a> |
| <span class="sourceLineNo">375</span><a name="line.375"></a> |
| <span class="sourceLineNo">376</span> /**<a name="line.376"></a> |
| <span class="sourceLineNo">377</span> * Starts the instance manager.<a name="line.377"></a> |
| <span class="sourceLineNo">378</span> * This method activates plugged handlers,<a name="line.378"></a> |
| <span class="sourceLineNo">379</span> * and computes the initial instance state.<a name="line.379"></a> |
| <span class="sourceLineNo">380</span> */<a name="line.380"></a> |
| <span class="sourceLineNo">381</span> public void start() {<a name="line.381"></a> |
| <span class="sourceLineNo">382</span> synchronized (this) {<a name="line.382"></a> |
| <span class="sourceLineNo">383</span> if (m_state != STOPPED) { // Instance already started<a name="line.383"></a> |
| <span class="sourceLineNo">384</span> return;<a name="line.384"></a> |
| <span class="sourceLineNo">385</span> } else {<a name="line.385"></a> |
| <span class="sourceLineNo">386</span> m_state = -2; // Temporary state.<a name="line.386"></a> |
| <span class="sourceLineNo">387</span> }<a name="line.387"></a> |
| <span class="sourceLineNo">388</span> }<a name="line.388"></a> |
| <span class="sourceLineNo">389</span><a name="line.389"></a> |
| <span class="sourceLineNo">390</span> // Plug handler descriptions<a name="line.390"></a> |
| <span class="sourceLineNo">391</span> Handler[] handlers = getRegisteredHandlers();<a name="line.391"></a> |
| <span class="sourceLineNo">392</span> for (int i = 0; i < handlers.length; i++) {<a name="line.392"></a> |
| <span class="sourceLineNo">393</span> m_description.addHandler(handlers[i].getDescription());<a name="line.393"></a> |
| <span class="sourceLineNo">394</span> }<a name="line.394"></a> |
| <span class="sourceLineNo">395</span><a name="line.395"></a> |
| <span class="sourceLineNo">396</span> for (int i = 0; i < m_handlers.length; i++) {<a name="line.396"></a> |
| <span class="sourceLineNo">397</span> m_handlers[i].addInstanceStateListener(this);<a name="line.397"></a> |
| <span class="sourceLineNo">398</span> try {<a name="line.398"></a> |
| <span class="sourceLineNo">399</span> m_handlers[i].start();<a name="line.399"></a> |
| <span class="sourceLineNo">400</span> } catch (IllegalStateException e) {<a name="line.400"></a> |
| <span class="sourceLineNo">401</span> m_logger.log(Logger.ERROR, e.getMessage());<a name="line.401"></a> |
| <span class="sourceLineNo">402</span> stop();<a name="line.402"></a> |
| <span class="sourceLineNo">403</span> throw e;<a name="line.403"></a> |
| <span class="sourceLineNo">404</span> }<a name="line.404"></a> |
| <span class="sourceLineNo">405</span> }<a name="line.405"></a> |
| <span class="sourceLineNo">406</span><a name="line.406"></a> |
| <span class="sourceLineNo">407</span> // Is an object already contained (i.e. injected)<a name="line.407"></a> |
| <span class="sourceLineNo">408</span> if (m_pojoObjects != null && ! m_pojoObjects.isEmpty()) {<a name="line.408"></a> |
| <span class="sourceLineNo">409</span> managedInjectedObject();<a name="line.409"></a> |
| <span class="sourceLineNo">410</span> }<a name="line.410"></a> |
| <span class="sourceLineNo">411</span><a name="line.411"></a> |
| <span class="sourceLineNo">412</span> for (int i = 0; i < m_handlers.length; i++) {<a name="line.412"></a> |
| <span class="sourceLineNo">413</span> if (m_handlers[i].getState() != VALID) {<a name="line.413"></a> |
| <span class="sourceLineNo">414</span> setState(INVALID);<a name="line.414"></a> |
| <span class="sourceLineNo">415</span> return;<a name="line.415"></a> |
| <span class="sourceLineNo">416</span> }<a name="line.416"></a> |
| <span class="sourceLineNo">417</span> }<a name="line.417"></a> |
| <span class="sourceLineNo">418</span> setState(VALID);<a name="line.418"></a> |
| <span class="sourceLineNo">419</span> }<a name="line.419"></a> |
| <span class="sourceLineNo">420</span><a name="line.420"></a> |
| <span class="sourceLineNo">421</span> /**<a name="line.421"></a> |
| <span class="sourceLineNo">422</span> * Stops the instance manager.<a name="line.422"></a> |
| <span class="sourceLineNo">423</span> * This methods sets the instance state to {@link ComponentInstance#STOPPED},<a name="line.423"></a> |
| <span class="sourceLineNo">424</span> * disables attached handlers, and notifies listeners ({@link InstanceStateListener})<a name="line.424"></a> |
| <span class="sourceLineNo">425</span> * of the instance stopping process.<a name="line.425"></a> |
| <span class="sourceLineNo">426</span> */<a name="line.426"></a> |
| <span class="sourceLineNo">427</span> public void stop() {<a name="line.427"></a> |
| <span class="sourceLineNo">428</span> List listeners = null;<a name="line.428"></a> |
| <span class="sourceLineNo">429</span> synchronized (this) {<a name="line.429"></a> |
| <span class="sourceLineNo">430</span> if (m_state == STOPPED) { // Instance already stopped<a name="line.430"></a> |
| <span class="sourceLineNo">431</span> return;<a name="line.431"></a> |
| <span class="sourceLineNo">432</span> }<a name="line.432"></a> |
| <span class="sourceLineNo">433</span> m_stateQueue.clear();<a name="line.433"></a> |
| <span class="sourceLineNo">434</span> m_inTransition = false;<a name="line.434"></a> |
| <span class="sourceLineNo">435</span> }<a name="line.435"></a> |
| <span class="sourceLineNo">436</span><a name="line.436"></a> |
| <span class="sourceLineNo">437</span> setState(INVALID); // Must be called outside a synchronized block.<a name="line.437"></a> |
| <span class="sourceLineNo">438</span><a name="line.438"></a> |
| <span class="sourceLineNo">439</span> // Stop all the handlers<a name="line.439"></a> |
| <span class="sourceLineNo">440</span> for (int i = m_handlers.length - 1; i > -1; i--) {<a name="line.440"></a> |
| <span class="sourceLineNo">441</span> m_handlers[i].removeInstanceStateListener(this);<a name="line.441"></a> |
| <span class="sourceLineNo">442</span> m_handlers[i].stop();<a name="line.442"></a> |
| <span class="sourceLineNo">443</span> }<a name="line.443"></a> |
| <span class="sourceLineNo">444</span><a name="line.444"></a> |
| <span class="sourceLineNo">445</span> synchronized (this) {<a name="line.445"></a> |
| <span class="sourceLineNo">446</span> m_state = STOPPED;<a name="line.446"></a> |
| <span class="sourceLineNo">447</span> if (m_listeners != null) {<a name="line.447"></a> |
| <span class="sourceLineNo">448</span> listeners = new ArrayList(m_listeners); // Stack confinement<a name="line.448"></a> |
| <span class="sourceLineNo">449</span> }<a name="line.449"></a> |
| <span class="sourceLineNo">450</span> m_pojoObjects = null;<a name="line.450"></a> |
| <span class="sourceLineNo">451</span> }<a name="line.451"></a> |
| <span class="sourceLineNo">452</span><a name="line.452"></a> |
| <span class="sourceLineNo">453</span> if (listeners != null) {<a name="line.453"></a> |
| <span class="sourceLineNo">454</span> for (int i = 0; i < listeners.size(); i++) {<a name="line.454"></a> |
| <span class="sourceLineNo">455</span> ((InstanceStateListener) listeners.get(i)).stateChanged(this, STOPPED);<a name="line.455"></a> |
| <span class="sourceLineNo">456</span> }<a name="line.456"></a> |
| <span class="sourceLineNo">457</span> }<a name="line.457"></a> |
| <span class="sourceLineNo">458</span> }<a name="line.458"></a> |
| <span class="sourceLineNo">459</span><a name="line.459"></a> |
| <span class="sourceLineNo">460</span> /**<a name="line.460"></a> |
| <span class="sourceLineNo">461</span> * Disposes the instance.<a name="line.461"></a> |
| <span class="sourceLineNo">462</span> * This method does the following process:<a name="line.462"></a> |
| <span class="sourceLineNo">463</span> * <li>Stop the instance is not {@link ComponentInstance#STOPPED}</li><a name="line.463"></a> |
| <span class="sourceLineNo">464</span> * <li>Notifies listeners {@link InstanceStateListener} of the destruction</li><a name="line.464"></a> |
| <span class="sourceLineNo">465</span> * <li>Disposes attached handlers</li><a name="line.465"></a> |
| <span class="sourceLineNo">466</span> * <li>Clears structures</li><a name="line.466"></a> |
| <span class="sourceLineNo">467</span> * @see org.apache.felix.ipojo.ComponentInstance#dispose()<a name="line.467"></a> |
| <span class="sourceLineNo">468</span> */<a name="line.468"></a> |
| <span class="sourceLineNo">469</span> public void dispose() {<a name="line.469"></a> |
| <span class="sourceLineNo">470</span> List listeners = null;<a name="line.470"></a> |
| <span class="sourceLineNo">471</span> int state; // Will be confined in stack.<a name="line.471"></a> |
| <span class="sourceLineNo">472</span> synchronized (this) {<a name="line.472"></a> |
| <span class="sourceLineNo">473</span> state = m_state; // Stack confinement<a name="line.473"></a> |
| <span class="sourceLineNo">474</span> if (m_listeners != null) {<a name="line.474"></a> |
| <span class="sourceLineNo">475</span> listeners = new ArrayList(m_listeners); // Stack confinement<a name="line.475"></a> |
| <span class="sourceLineNo">476</span> }<a name="line.476"></a> |
| <span class="sourceLineNo">477</span> m_listeners = null;<a name="line.477"></a> |
| <span class="sourceLineNo">478</span> }<a name="line.478"></a> |
| <span class="sourceLineNo">479</span><a name="line.479"></a> |
| <span class="sourceLineNo">480</span> if (state > STOPPED) { // Valid or invalid<a name="line.480"></a> |
| <span class="sourceLineNo">481</span> stop(); // Does not hold the lock.<a name="line.481"></a> |
| <span class="sourceLineNo">482</span> }<a name="line.482"></a> |
| <span class="sourceLineNo">483</span><a name="line.483"></a> |
| <span class="sourceLineNo">484</span> synchronized (this) {<a name="line.484"></a> |
| <span class="sourceLineNo">485</span> m_state = DISPOSED;<a name="line.485"></a> |
| <span class="sourceLineNo">486</span> }<a name="line.486"></a> |
| <span class="sourceLineNo">487</span><a name="line.487"></a> |
| <span class="sourceLineNo">488</span> for (int i = 0; listeners != null && i < listeners.size(); i++) {<a name="line.488"></a> |
| <span class="sourceLineNo">489</span> ((InstanceStateListener) listeners.get(i)).stateChanged(this, DISPOSED);<a name="line.489"></a> |
| <span class="sourceLineNo">490</span> }<a name="line.490"></a> |
| <span class="sourceLineNo">491</span><a name="line.491"></a> |
| <span class="sourceLineNo">492</span> for (int i = m_handlers.length - 1; i > -1; i--) {<a name="line.492"></a> |
| <span class="sourceLineNo">493</span> m_handlers[i].dispose();<a name="line.493"></a> |
| <span class="sourceLineNo">494</span> }<a name="line.494"></a> |
| <span class="sourceLineNo">495</span><a name="line.495"></a> |
| <span class="sourceLineNo">496</span> synchronized (this) {<a name="line.496"></a> |
| <span class="sourceLineNo">497</span> m_factory.disposed(this);<a name="line.497"></a> |
| <span class="sourceLineNo">498</span> m_clazz = null;<a name="line.498"></a> |
| <span class="sourceLineNo">499</span> // Do not clean registration map, so injection still works<a name="line.499"></a> |
| <span class="sourceLineNo">500</span> // after disposal for late callbacks.<a name="line.500"></a> |
| <span class="sourceLineNo">501</span> }<a name="line.501"></a> |
| <span class="sourceLineNo">502</span> }<a name="line.502"></a> |
| <span class="sourceLineNo">503</span><a name="line.503"></a> |
| <span class="sourceLineNo">504</span> /**<a name="line.504"></a> |
| <span class="sourceLineNo">505</span> * Sets the state of the component instance.<a name="line.505"></a> |
| <span class="sourceLineNo">506</span> * If the state changes, calls the {@link PrimitiveHandler#stateChanged(int)} method on the attached handlers.<a name="line.506"></a> |
| <span class="sourceLineNo">507</span> * This method has a reentrant mechanism. If in the flow of the first call the method is called another times,<a name="line.507"></a> |
| <span class="sourceLineNo">508</span> * the second call is stored and executed after the first one finished.<a name="line.508"></a> |
| <span class="sourceLineNo">509</span> * @param state the new state<a name="line.509"></a> |
| <span class="sourceLineNo">510</span> */<a name="line.510"></a> |
| <span class="sourceLineNo">511</span> public void setState(int state) {<a name="line.511"></a> |
| <span class="sourceLineNo">512</span> int originalState = -2;<a name="line.512"></a> |
| <span class="sourceLineNo">513</span> List listeners = null;<a name="line.513"></a> |
| <span class="sourceLineNo">514</span> synchronized (this) {<a name="line.514"></a> |
| <span class="sourceLineNo">515</span> if (m_inTransition) {<a name="line.515"></a> |
| <span class="sourceLineNo">516</span> m_stateQueue.add(new Integer(state));<a name="line.516"></a> |
| <span class="sourceLineNo">517</span> return;<a name="line.517"></a> |
| <span class="sourceLineNo">518</span> }<a name="line.518"></a> |
| <span class="sourceLineNo">519</span><a name="line.519"></a> |
| <span class="sourceLineNo">520</span> if (m_state != state) {<a name="line.520"></a> |
| <span class="sourceLineNo">521</span> m_inTransition = true;<a name="line.521"></a> |
| <span class="sourceLineNo">522</span> originalState = m_state; // Stack confinement.<a name="line.522"></a> |
| <span class="sourceLineNo">523</span> m_state = state;<a name="line.523"></a> |
| <span class="sourceLineNo">524</span> if (m_listeners != null) {<a name="line.524"></a> |
| <span class="sourceLineNo">525</span> listeners = new ArrayList(m_listeners); // Stack confinement.<a name="line.525"></a> |
| <span class="sourceLineNo">526</span> }<a name="line.526"></a> |
| <span class="sourceLineNo">527</span> }<a name="line.527"></a> |
| <span class="sourceLineNo">528</span> }<a name="line.528"></a> |
| <span class="sourceLineNo">529</span><a name="line.529"></a> |
| <span class="sourceLineNo">530</span> // This section can be executed only by one thread at the same time. The m_inTransition pseudo semaphore block access to this section.<a name="line.530"></a> |
| <span class="sourceLineNo">531</span> if (m_inTransition) { // Check that we are really changing.<a name="line.531"></a> |
| <span class="sourceLineNo">532</span> if (state > originalState) {<a name="line.532"></a> |
| <span class="sourceLineNo">533</span> // The state increases (Stopped = > IV, IV => V) => invoke handlers from the higher priority to the lower<a name="line.533"></a> |
| <span class="sourceLineNo">534</span> try {<a name="line.534"></a> |
| <span class="sourceLineNo">535</span> for (int i = 0; i < m_handlers.length; i++) {<a name="line.535"></a> |
| <span class="sourceLineNo">536</span> m_handlers[i].getHandler().stateChanged(state);<a name="line.536"></a> |
| <span class="sourceLineNo">537</span> }<a name="line.537"></a> |
| <span class="sourceLineNo">538</span> } catch (IllegalStateException e) {<a name="line.538"></a> |
| <span class="sourceLineNo">539</span> // When an illegal state exception happens, the instance manager must be stopped immediately.<a name="line.539"></a> |
| <span class="sourceLineNo">540</span> stop();<a name="line.540"></a> |
| <span class="sourceLineNo">541</span> m_logger.log(Logger.ERROR, e.getMessage(), e);<a name="line.541"></a> |
| <span class="sourceLineNo">542</span> return;<a name="line.542"></a> |
| <span class="sourceLineNo">543</span> }<a name="line.543"></a> |
| <span class="sourceLineNo">544</span> } else {<a name="line.544"></a> |
| <span class="sourceLineNo">545</span> // The state decreases (V => IV, IV = > Stopped, Stopped => Disposed)<a name="line.545"></a> |
| <span class="sourceLineNo">546</span> try {<a name="line.546"></a> |
| <span class="sourceLineNo">547</span> for (int i = m_handlers.length - 1; i > -1; i--) {<a name="line.547"></a> |
| <span class="sourceLineNo">548</span> m_handlers[i].getHandler().stateChanged(state);<a name="line.548"></a> |
| <span class="sourceLineNo">549</span> }<a name="line.549"></a> |
| <span class="sourceLineNo">550</span> } catch (IllegalStateException e) {<a name="line.550"></a> |
| <span class="sourceLineNo">551</span> // When an illegal state exception happens, the instance manager must be stopped immediately.<a name="line.551"></a> |
| <span class="sourceLineNo">552</span> stop();<a name="line.552"></a> |
| <span class="sourceLineNo">553</span> m_logger.log(Logger.ERROR, e.getMessage());<a name="line.553"></a> |
| <span class="sourceLineNo">554</span> return;<a name="line.554"></a> |
| <span class="sourceLineNo">555</span> }<a name="line.555"></a> |
| <span class="sourceLineNo">556</span> }<a name="line.556"></a> |
| <span class="sourceLineNo">557</span> }<a name="line.557"></a> |
| <span class="sourceLineNo">558</span><a name="line.558"></a> |
| <span class="sourceLineNo">559</span> if (listeners != null) {<a name="line.559"></a> |
| <span class="sourceLineNo">560</span> for (int i = 0; i < listeners.size(); i++) {<a name="line.560"></a> |
| <span class="sourceLineNo">561</span> ((InstanceStateListener) listeners.get(i)).stateChanged(this, state);<a name="line.561"></a> |
| <span class="sourceLineNo">562</span> }<a name="line.562"></a> |
| <span class="sourceLineNo">563</span> }<a name="line.563"></a> |
| <span class="sourceLineNo">564</span><a name="line.564"></a> |
| <span class="sourceLineNo">565</span> synchronized (this) {<a name="line.565"></a> |
| <span class="sourceLineNo">566</span> m_inTransition = false;<a name="line.566"></a> |
| <span class="sourceLineNo">567</span> if (!m_stateQueue.isEmpty()) {<a name="line.567"></a> |
| <span class="sourceLineNo">568</span> int newState = ((Integer) (m_stateQueue.remove(0))).intValue();<a name="line.568"></a> |
| <span class="sourceLineNo">569</span> setState(newState);<a name="line.569"></a> |
| <span class="sourceLineNo">570</span> }<a name="line.570"></a> |
| <span class="sourceLineNo">571</span> }<a name="line.571"></a> |
| <span class="sourceLineNo">572</span> }<a name="line.572"></a> |
| <span class="sourceLineNo">573</span><a name="line.573"></a> |
| <span class="sourceLineNo">574</span> /**<a name="line.574"></a> |
| <span class="sourceLineNo">575</span> * Gets the actual state of the instance.<a name="line.575"></a> |
| <span class="sourceLineNo">576</span> * Possible values are:<a name="line.576"></a> |
| <span class="sourceLineNo">577</span> * <li>{@link ComponentInstance#INVALID}</li><a name="line.577"></a> |
| <span class="sourceLineNo">578</span> * <li>{@link ComponentInstance#VALID}</li><a name="line.578"></a> |
| <span class="sourceLineNo">579</span> * <li>{@link ComponentInstance#DISPOSED}</li><a name="line.579"></a> |
| <span class="sourceLineNo">580</span> * <li>{@link ComponentInstance#STOPPED}</li><a name="line.580"></a> |
| <span class="sourceLineNo">581</span> * @return the actual state of the component instance.<a name="line.581"></a> |
| <span class="sourceLineNo">582</span> * @see org.apache.felix.ipojo.ComponentInstance#getState()<a name="line.582"></a> |
| <span class="sourceLineNo">583</span> */<a name="line.583"></a> |
| <span class="sourceLineNo">584</span> public synchronized int getState() {<a name="line.584"></a> |
| <span class="sourceLineNo">585</span> return m_state;<a name="line.585"></a> |
| <span class="sourceLineNo">586</span> }<a name="line.586"></a> |
| <span class="sourceLineNo">587</span><a name="line.587"></a> |
| <span class="sourceLineNo">588</span> /**<a name="line.588"></a> |
| <span class="sourceLineNo">589</span> * Checks if the instance is started.<a name="line.589"></a> |
| <span class="sourceLineNo">590</span> * An instance is started if the state is either<a name="line.590"></a> |
| <span class="sourceLineNo">591</span> * {@link ComponentInstance#VALID} or {@link ComponentInstance#INVALID}.<a name="line.591"></a> |
| <span class="sourceLineNo">592</span> * @return <code>true</code> if the instance is started.<a name="line.592"></a> |
| <span class="sourceLineNo">593</span> * @see org.apache.felix.ipojo.ComponentInstance#isStarted()<a name="line.593"></a> |
| <span class="sourceLineNo">594</span> */<a name="line.594"></a> |
| <span class="sourceLineNo">595</span> public synchronized boolean isStarted() {<a name="line.595"></a> |
| <span class="sourceLineNo">596</span> return m_state > STOPPED;<a name="line.596"></a> |
| <span class="sourceLineNo">597</span> }<a name="line.597"></a> |
| <span class="sourceLineNo">598</span><a name="line.598"></a> |
| <span class="sourceLineNo">599</span> /**<a name="line.599"></a> |
| <span class="sourceLineNo">600</span> * Registers an instance state listener.<a name="line.600"></a> |
| <span class="sourceLineNo">601</span> * @param listener the listener to register.<a name="line.601"></a> |
| <span class="sourceLineNo">602</span> * @see org.apache.felix.ipojo.ComponentInstance#addInstanceStateListener(org.apache.felix.ipojo.InstanceStateListener)<a name="line.602"></a> |
| <span class="sourceLineNo">603</span> */<a name="line.603"></a> |
| <span class="sourceLineNo">604</span> public synchronized void addInstanceStateListener(InstanceStateListener listener) {<a name="line.604"></a> |
| <span class="sourceLineNo">605</span> if (m_listeners == null) {<a name="line.605"></a> |
| <span class="sourceLineNo">606</span> m_listeners = new ArrayList();<a name="line.606"></a> |
| <span class="sourceLineNo">607</span> }<a name="line.607"></a> |
| <span class="sourceLineNo">608</span> m_listeners.add(listener);<a name="line.608"></a> |
| <span class="sourceLineNo">609</span> }<a name="line.609"></a> |
| <span class="sourceLineNo">610</span><a name="line.610"></a> |
| <span class="sourceLineNo">611</span> /**<a name="line.611"></a> |
| <span class="sourceLineNo">612</span> * Unregisters an instance state listener.<a name="line.612"></a> |
| <span class="sourceLineNo">613</span> * @param listener the listener to unregister.<a name="line.613"></a> |
| <span class="sourceLineNo">614</span> * @see org.apache.felix.ipojo.ComponentInstance#removeInstanceStateListener(org.apache.felix.ipojo.InstanceStateListener)<a name="line.614"></a> |
| <span class="sourceLineNo">615</span> */<a name="line.615"></a> |
| <span class="sourceLineNo">616</span> public synchronized void removeInstanceStateListener(InstanceStateListener listener) {<a name="line.616"></a> |
| <span class="sourceLineNo">617</span> if (m_listeners != null) {<a name="line.617"></a> |
| <span class="sourceLineNo">618</span> m_listeners.remove(listener);<a name="line.618"></a> |
| <span class="sourceLineNo">619</span> if (m_listeners.isEmpty()) {<a name="line.619"></a> |
| <span class="sourceLineNo">620</span> m_listeners = null;<a name="line.620"></a> |
| <span class="sourceLineNo">621</span> }<a name="line.621"></a> |
| <span class="sourceLineNo">622</span> }<a name="line.622"></a> |
| <span class="sourceLineNo">623</span> }<a name="line.623"></a> |
| <span class="sourceLineNo">624</span><a name="line.624"></a> |
| <span class="sourceLineNo">625</span> /**<a name="line.625"></a> |
| <span class="sourceLineNo">626</span> * Gets the factory which has created the current instance.<a name="line.626"></a> |
| <span class="sourceLineNo">627</span> * @return the factory of the component<a name="line.627"></a> |
| <span class="sourceLineNo">628</span> * @see org.apache.felix.ipojo.ComponentInstance#getFactory()<a name="line.628"></a> |
| <span class="sourceLineNo">629</span> */<a name="line.629"></a> |
| <span class="sourceLineNo">630</span> public ComponentFactory getFactory() {<a name="line.630"></a> |
| <span class="sourceLineNo">631</span> return m_factory;<a name="line.631"></a> |
| <span class="sourceLineNo">632</span> }<a name="line.632"></a> |
| <span class="sourceLineNo">633</span><a name="line.633"></a> |
| <span class="sourceLineNo">634</span> /**<a name="line.634"></a> |
| <span class="sourceLineNo">635</span> * Loads the manipulated class.<a name="line.635"></a> |
| <span class="sourceLineNo">636</span> */<a name="line.636"></a> |
| <span class="sourceLineNo">637</span> private void load() {<a name="line.637"></a> |
| <span class="sourceLineNo">638</span> try {<a name="line.638"></a> |
| <span class="sourceLineNo">639</span> m_clazz = m_factory.loadClass(m_className);<a name="line.639"></a> |
| <span class="sourceLineNo">640</span> } catch (ClassNotFoundException e) {<a name="line.640"></a> |
| <span class="sourceLineNo">641</span> m_logger.log(Logger.ERROR, "[" + m_name + "] Class not found during the loading phase : " + e.getMessage(), e);<a name="line.641"></a> |
| <span class="sourceLineNo">642</span> stop();<a name="line.642"></a> |
| <span class="sourceLineNo">643</span> return;<a name="line.643"></a> |
| <span class="sourceLineNo">644</span> }<a name="line.644"></a> |
| <span class="sourceLineNo">645</span> }<a name="line.645"></a> |
| <span class="sourceLineNo">646</span><a name="line.646"></a> |
| <span class="sourceLineNo">647</span> /**<a name="line.647"></a> |
| <span class="sourceLineNo">648</span> * Gets the object array created by the instance.<a name="line.648"></a> |
| <span class="sourceLineNo">649</span> * @return the created content objects of the component instance.<a name="line.649"></a> |
| <span class="sourceLineNo">650</span> */<a name="line.650"></a> |
| <span class="sourceLineNo">651</span> public synchronized Object[] getPojoObjects() {<a name="line.651"></a> |
| <span class="sourceLineNo">652</span> if (m_pojoObjects == null) {<a name="line.652"></a> |
| <span class="sourceLineNo">653</span> return null;<a name="line.653"></a> |
| <span class="sourceLineNo">654</span> }<a name="line.654"></a> |
| <span class="sourceLineNo">655</span> return m_pojoObjects.toArray(new Object[m_pojoObjects.size()]);<a name="line.655"></a> |
| <span class="sourceLineNo">656</span> }<a name="line.656"></a> |
| <span class="sourceLineNo">657</span><a name="line.657"></a> |
| <span class="sourceLineNo">658</span> /**<a name="line.658"></a> |
| <span class="sourceLineNo">659</span> * Creates a POJO objects.<a name="line.659"></a> |
| <span class="sourceLineNo">660</span> * This method is not synchronized and does not require any locks.<a name="line.660"></a> |
| <span class="sourceLineNo">661</span> * If a {@link InstanceManager#m_factoryMethod} is specified,<a name="line.661"></a> |
| <span class="sourceLineNo">662</span> * this method called this static method to creates the object.<a name="line.662"></a> |
| <span class="sourceLineNo">663</span> * Otherwise, the methods uses the regular constructor.<a name="line.663"></a> |
| <span class="sourceLineNo">664</span> * All those methods can receive the {@link BundleContext} in<a name="line.664"></a> |
| <span class="sourceLineNo">665</span> * argument.<a name="line.665"></a> |
| <span class="sourceLineNo">666</span> * @return the created object or <code>null</code> if an error<a name="line.666"></a> |
| <span class="sourceLineNo">667</span> * occurs during the creation.<a name="line.667"></a> |
| <span class="sourceLineNo">668</span> */<a name="line.668"></a> |
| <span class="sourceLineNo">669</span> protected Object createObject() {<a name="line.669"></a> |
| <span class="sourceLineNo">670</span> if (m_clazz == null) {<a name="line.670"></a> |
| <span class="sourceLineNo">671</span> load();<a name="line.671"></a> |
| <span class="sourceLineNo">672</span> }<a name="line.672"></a> |
| <span class="sourceLineNo">673</span><a name="line.673"></a> |
| <span class="sourceLineNo">674</span> // The following code doesn't need to be synchronized as is deal only with immutable fields.<a name="line.674"></a> |
| <span class="sourceLineNo">675</span> Object instance = null;<a name="line.675"></a> |
| <span class="sourceLineNo">676</span> if (m_factoryMethod == null) {<a name="line.676"></a> |
| <span class="sourceLineNo">677</span> // No factory-method, we use the constructor.<a name="line.677"></a> |
| <span class="sourceLineNo">678</span> try {<a name="line.678"></a> |
| <span class="sourceLineNo">679</span> // Try to find the correct constructor.<a name="line.679"></a> |
| <span class="sourceLineNo">680</span> if (m_constructorRegistration != null) {<a name="line.680"></a> |
| <span class="sourceLineNo">681</span> // Initialize the injected values and types<a name="line.681"></a> |
| <span class="sourceLineNo">682</span> // We have the IM first.<a name="line.682"></a> |
| <span class="sourceLineNo">683</span> Object[] values = new Object[m_constructorRegistration.size() + 1];<a name="line.683"></a> |
| <span class="sourceLineNo">684</span> Class[] types = new Class[m_constructorRegistration.size() + 1];<a name="line.684"></a> |
| <span class="sourceLineNo">685</span> values[0] = this;<a name="line.685"></a> |
| <span class="sourceLineNo">686</span> types[0] = InstanceManager.class;<a name="line.686"></a> |
| <span class="sourceLineNo">687</span><a name="line.687"></a> |
| <span class="sourceLineNo">688</span> // Iterate over the constructor injector<a name="line.688"></a> |
| <span class="sourceLineNo">689</span> for (int i = 0; i < m_constructorRegistration.size(); i++) {<a name="line.689"></a> |
| <span class="sourceLineNo">690</span> ConstructorInjector injector = (ConstructorInjector)<a name="line.690"></a> |
| <span class="sourceLineNo">691</span> m_constructorRegistration.get(new Integer(i));<a name="line.691"></a> |
| <span class="sourceLineNo">692</span> Object v = injector.getConstructorParameter(i);<a name="line.692"></a> |
| <span class="sourceLineNo">693</span> if (v != null) {<a name="line.693"></a> |
| <span class="sourceLineNo">694</span> values[i + 1] = v;<a name="line.694"></a> |
| <span class="sourceLineNo">695</span> Class t = injector.getConstructorParameterType(i);<a name="line.695"></a> |
| <span class="sourceLineNo">696</span> if (t == null) {<a name="line.696"></a> |
| <span class="sourceLineNo">697</span> t = v.getClass();<a name="line.697"></a> |
| <span class="sourceLineNo">698</span> }<a name="line.698"></a> |
| <span class="sourceLineNo">699</span> types[i + 1] = t;<a name="line.699"></a> |
| <span class="sourceLineNo">700</span> }<a name="line.700"></a> |
| <span class="sourceLineNo">701</span> }<a name="line.701"></a> |
| <span class="sourceLineNo">702</span> // Find the constructor.<a name="line.702"></a> |
| <span class="sourceLineNo">703</span> Constructor cst = m_clazz.getDeclaredConstructor(types);<a name="line.703"></a> |
| <span class="sourceLineNo">704</span> if (! cst.isAccessible()) {<a name="line.704"></a> |
| <span class="sourceLineNo">705</span> cst.setAccessible(true);<a name="line.705"></a> |
| <span class="sourceLineNo">706</span> }<a name="line.706"></a> |
| <span class="sourceLineNo">707</span> String methodId = MethodMetadata.computeMethodId(cst);<a name="line.707"></a> |
| <span class="sourceLineNo">708</span> onEntry(null, methodId, values);<a name="line.708"></a> |
| <span class="sourceLineNo">709</span> instance = cst.newInstance(values);<a name="line.709"></a> |
| <span class="sourceLineNo">710</span> onExit(instance, methodId, instance);<a name="line.710"></a> |
| <span class="sourceLineNo">711</span> } else {<a name="line.711"></a> |
| <span class="sourceLineNo">712</span> // Old semantic<a name="line.712"></a> |
| <span class="sourceLineNo">713</span> // Try to find if there is a constructor with a bundle context as parameter :<a name="line.713"></a> |
| <span class="sourceLineNo">714</span> try {<a name="line.714"></a> |
| <span class="sourceLineNo">715</span> Constructor cst = m_clazz.getDeclaredConstructor(new Class[] { InstanceManager.class, BundleContext.class });<a name="line.715"></a> |
| <span class="sourceLineNo">716</span> if (! cst.isAccessible()) {<a name="line.716"></a> |
| <span class="sourceLineNo">717</span> cst.setAccessible(true);<a name="line.717"></a> |
| <span class="sourceLineNo">718</span> }<a name="line.718"></a> |
| <span class="sourceLineNo">719</span> Object[] args = new Object[] { this, m_context };<a name="line.719"></a> |
| <span class="sourceLineNo">720</span> onEntry(null, MethodMetadata.BC_CONSTRUCTOR_ID, new Object[] {m_context});<a name="line.720"></a> |
| <span class="sourceLineNo">721</span> instance = cst.newInstance(args);<a name="line.721"></a> |
| <span class="sourceLineNo">722</span> onExit(instance, MethodMetadata.BC_CONSTRUCTOR_ID, instance);<a name="line.722"></a> |
| <span class="sourceLineNo">723</span> } catch (NoSuchMethodException e) {<a name="line.723"></a> |
| <span class="sourceLineNo">724</span> // Create an instance if no instance are already created with <init>()BundleContext<a name="line.724"></a> |
| <span class="sourceLineNo">725</span> if (instance == null) {<a name="line.725"></a> |
| <span class="sourceLineNo">726</span> Constructor cst = m_clazz.getDeclaredConstructor(new Class[] { InstanceManager.class });<a name="line.726"></a> |
| <span class="sourceLineNo">727</span> if (! cst.isAccessible()) {<a name="line.727"></a> |
| <span class="sourceLineNo">728</span> cst.setAccessible(true);<a name="line.728"></a> |
| <span class="sourceLineNo">729</span> }<a name="line.729"></a> |
| <span class="sourceLineNo">730</span> Object[] args = new Object[] {this};<a name="line.730"></a> |
| <span class="sourceLineNo">731</span> onEntry(null, MethodMetadata.EMPTY_CONSTRUCTOR_ID, new Object[0]);<a name="line.731"></a> |
| <span class="sourceLineNo">732</span> instance = cst.newInstance(args);<a name="line.732"></a> |
| <span class="sourceLineNo">733</span> onExit(instance, MethodMetadata.EMPTY_CONSTRUCTOR_ID, instance);<a name="line.733"></a> |
| <span class="sourceLineNo">734</span> }<a name="line.734"></a> |
| <span class="sourceLineNo">735</span> }<a name="line.735"></a> |
| <span class="sourceLineNo">736</span> }<a name="line.736"></a> |
| <span class="sourceLineNo">737</span><a name="line.737"></a> |
| <span class="sourceLineNo">738</span> } catch (IllegalAccessException e) {<a name="line.738"></a> |
| <span class="sourceLineNo">739</span> m_logger.log(Logger.ERROR,<a name="line.739"></a> |
| <span class="sourceLineNo">740</span> "[" + m_name + "] createInstance -> The POJO constructor is not accessible : " + e.getMessage(), e);<a name="line.740"></a> |
| <span class="sourceLineNo">741</span> stop();<a name="line.741"></a> |
| <span class="sourceLineNo">742</span> throw new RuntimeException("Cannot create a POJO instance, the POJO constructor is not accessible", e);<a name="line.742"></a> |
| <span class="sourceLineNo">743</span> } catch (SecurityException e) {<a name="line.743"></a> |
| <span class="sourceLineNo">744</span> m_logger.log(<a name="line.744"></a> |
| <span class="sourceLineNo">745</span> Logger.ERROR,<a name="line.745"></a> |
| <span class="sourceLineNo">746</span> "["<a name="line.746"></a> |
| <span class="sourceLineNo">747</span> + m_name<a name="line.747"></a> |
| <span class="sourceLineNo">748</span> + "] createInstance -> The POJO constructor is not accessible (security reason) : "<a name="line.748"></a> |
| <span class="sourceLineNo">749</span> + e.getMessage(), e);<a name="line.749"></a> |
| <span class="sourceLineNo">750</span> stop();<a name="line.750"></a> |
| <span class="sourceLineNo">751</span> throw new RuntimeException("Cannot create a POJO instance, the POJO constructor is not accessible", e);<a name="line.751"></a> |
| <span class="sourceLineNo">752</span> } catch (InvocationTargetException e) {<a name="line.752"></a> |
| <span class="sourceLineNo">753</span> m_logger.log(<a name="line.753"></a> |
| <span class="sourceLineNo">754</span> Logger.ERROR,<a name="line.754"></a> |
| <span class="sourceLineNo">755</span> "["<a name="line.755"></a> |
| <span class="sourceLineNo">756</span> + m_name<a name="line.756"></a> |
| <span class="sourceLineNo">757</span> + "] createInstance -> Cannot invoke the constructor method - the constructor throws an exception : "<a name="line.757"></a> |
| <span class="sourceLineNo">758</span> + e.getTargetException().getMessage(), e.getTargetException());<a name="line.758"></a> |
| <span class="sourceLineNo">759</span> onError(null, m_className, e.getTargetException());<a name="line.759"></a> |
| <span class="sourceLineNo">760</span> stop();<a name="line.760"></a> |
| <span class="sourceLineNo">761</span> throw new RuntimeException("Cannot create a POJO instance, the POJO constructor has thrown an exception", e.getTargetException());<a name="line.761"></a> |
| <span class="sourceLineNo">762</span> } catch (NoSuchMethodException e) {<a name="line.762"></a> |
| <span class="sourceLineNo">763</span> m_logger.log(Logger.ERROR,<a name="line.763"></a> |
| <span class="sourceLineNo">764</span> "[" + m_name + "] createInstance -> Cannot invoke the constructor (method not found) : " + e.getMessage(), e);<a name="line.764"></a> |
| <span class="sourceLineNo">765</span> stop();<a name="line.765"></a> |
| <span class="sourceLineNo">766</span> throw new RuntimeException("Cannot create a POJO instance, the POJO constructor cannot be found", e);<a name="line.766"></a> |
| <span class="sourceLineNo">767</span> } catch (Throwable e) {<a name="line.767"></a> |
| <span class="sourceLineNo">768</span> // Catch every other possible error and runtime exception.<a name="line.768"></a> |
| <span class="sourceLineNo">769</span> m_logger.log(Logger.ERROR,<a name="line.769"></a> |
| <span class="sourceLineNo">770</span> "[" + m_name + "] createInstance -> The POJO constructor invocation failed : " + e.getMessage(), e);<a name="line.770"></a> |
| <span class="sourceLineNo">771</span> stop();<a name="line.771"></a> |
| <span class="sourceLineNo">772</span> throw new RuntimeException("Cannot create a POJO instance, the POJO constructor invocation has thrown an exception", e);<a name="line.772"></a> |
| <span class="sourceLineNo">773</span> }<a name="line.773"></a> |
| <span class="sourceLineNo">774</span> } else {<a name="line.774"></a> |
| <span class="sourceLineNo">775</span> try {<a name="line.775"></a> |
| <span class="sourceLineNo">776</span> // Build the pojo object with the factory-method.<a name="line.776"></a> |
| <span class="sourceLineNo">777</span> Method factory = null;<a name="line.777"></a> |
| <span class="sourceLineNo">778</span> // Try with the bundle context<a name="line.778"></a> |
| <span class="sourceLineNo">779</span> try {<a name="line.779"></a> |
| <span class="sourceLineNo">780</span> factory = m_clazz.getDeclaredMethod(m_factoryMethod, new Class[] { BundleContext.class });<a name="line.780"></a> |
| <span class="sourceLineNo">781</span> if (! factory.isAccessible()) {<a name="line.781"></a> |
| <span class="sourceLineNo">782</span> factory.setAccessible(true);<a name="line.782"></a> |
| <span class="sourceLineNo">783</span> }<a name="line.783"></a> |
| <span class="sourceLineNo">784</span> Object[] args = new Object[] { m_context };<a name="line.784"></a> |
| <span class="sourceLineNo">785</span> onEntry(null, m_className, args);<a name="line.785"></a> |
| <span class="sourceLineNo">786</span> instance = factory.invoke(null, new Object[] { m_context });<a name="line.786"></a> |
| <span class="sourceLineNo">787</span> } catch (NoSuchMethodException e1) {<a name="line.787"></a> |
| <span class="sourceLineNo">788</span> // Try without the bundle context<a name="line.788"></a> |
| <span class="sourceLineNo">789</span> try {<a name="line.789"></a> |
| <span class="sourceLineNo">790</span> factory = m_clazz.getDeclaredMethod(m_factoryMethod, new Class[0]);<a name="line.790"></a> |
| <span class="sourceLineNo">791</span> if (! factory.isAccessible()) {<a name="line.791"></a> |
| <span class="sourceLineNo">792</span> factory.setAccessible(true);<a name="line.792"></a> |
| <span class="sourceLineNo">793</span> }<a name="line.793"></a> |
| <span class="sourceLineNo">794</span> Object[] args = new Object[0];<a name="line.794"></a> |
| <span class="sourceLineNo">795</span> onEntry(null, m_className, args);<a name="line.795"></a> |
| <span class="sourceLineNo">796</span> instance = factory.invoke(null, args);<a name="line.796"></a> |
| <span class="sourceLineNo">797</span> } catch (NoSuchMethodException e2) {<a name="line.797"></a> |
| <span class="sourceLineNo">798</span> // Error : factory-method not found<a name="line.798"></a> |
| <span class="sourceLineNo">799</span> m_logger.log(<a name="line.799"></a> |
| <span class="sourceLineNo">800</span> Logger.ERROR,<a name="line.800"></a> |
| <span class="sourceLineNo">801</span> "["<a name="line.801"></a> |
| <span class="sourceLineNo">802</span> + m_name<a name="line.802"></a> |
| <span class="sourceLineNo">803</span> + "] createInstance -> Cannot invoke the factory-method (method not found) : "<a name="line.803"></a> |
| <span class="sourceLineNo">804</span> + e2.getMessage(), e2);<a name="line.804"></a> |
| <span class="sourceLineNo">805</span> stop();<a name="line.805"></a> |
| <span class="sourceLineNo">806</span> throw new RuntimeException("Cannot create a POJO instance, the factory-method cannot be found", e2);<a name="line.806"></a> |
| <span class="sourceLineNo">807</span> }<a name="line.807"></a> |
| <span class="sourceLineNo">808</span> }<a name="line.808"></a> |
| <span class="sourceLineNo">809</span><a name="line.809"></a> |
| <span class="sourceLineNo">810</span> // Now call the setInstanceManager method.<a name="line.810"></a> |
| <span class="sourceLineNo">811</span> // Find declaring super class.<a name="line.811"></a> |
| <span class="sourceLineNo">812</span> Class declaringClass = instance.getClass();<a name="line.812"></a> |
| <span class="sourceLineNo">813</span> Method method = null;<a name="line.813"></a> |
| <span class="sourceLineNo">814</span> while (declaringClass != null && method == null) {<a name="line.814"></a> |
| <span class="sourceLineNo">815</span> try {<a name="line.815"></a> |
| <span class="sourceLineNo">816</span> method = declaringClass.getDeclaredMethod("_setInstanceManager",<a name="line.816"></a> |
| <span class="sourceLineNo">817</span> new Class[] { InstanceManager.class });<a name="line.817"></a> |
| <span class="sourceLineNo">818</span> } catch (NoSuchMethodException e) {<a name="line.818"></a> |
| <span class="sourceLineNo">819</span> //Do nothing<a name="line.819"></a> |
| <span class="sourceLineNo">820</span> }<a name="line.820"></a> |
| <span class="sourceLineNo">821</span><a name="line.821"></a> |
| <span class="sourceLineNo">822</span> declaringClass = declaringClass.getSuperclass();<a name="line.822"></a> |
| <span class="sourceLineNo">823</span> }<a name="line.823"></a> |
| <span class="sourceLineNo">824</span><a name="line.824"></a> |
| <span class="sourceLineNo">825</span> if (method == null) {<a name="line.825"></a> |
| <span class="sourceLineNo">826</span> // Error : _setInstanceManager method is missing<a name="line.826"></a> |
| <span class="sourceLineNo">827</span> m_logger<a name="line.827"></a> |
| <span class="sourceLineNo">828</span> .log(<a name="line.828"></a> |
| <span class="sourceLineNo">829</span> Logger.ERROR,<a name="line.829"></a> |
| <span class="sourceLineNo">830</span> "["<a name="line.830"></a> |
| <span class="sourceLineNo">831</span> + m_name<a name="line.831"></a> |
| <span class="sourceLineNo">832</span> + "] createInstance -> Cannot invoke the factory-method (the _setInstanceManager method does not exist");<a name="line.832"></a> |
| <span class="sourceLineNo">833</span> stop();<a name="line.833"></a> |
| <span class="sourceLineNo">834</span> throw new RuntimeException("Cannot create a POJO instance, the factory-method cannot be found");<a name="line.834"></a> |
| <span class="sourceLineNo">835</span> }<a name="line.835"></a> |
| <span class="sourceLineNo">836</span><a name="line.836"></a> |
| <span class="sourceLineNo">837</span> if (!method.isAccessible()) {<a name="line.837"></a> |
| <span class="sourceLineNo">838</span> method.setAccessible(true);<a name="line.838"></a> |
| <span class="sourceLineNo">839</span> }<a name="line.839"></a> |
| <span class="sourceLineNo">840</span> method.invoke(instance, new Object[] { this });<a name="line.840"></a> |
| <span class="sourceLineNo">841</span> onExit(null, m_className, instance);<a name="line.841"></a> |
| <span class="sourceLineNo">842</span><a name="line.842"></a> |
| <span class="sourceLineNo">843</span> } catch (InvocationTargetException e) {<a name="line.843"></a> |
| <span class="sourceLineNo">844</span> // Error : invocation failed<a name="line.844"></a> |
| <span class="sourceLineNo">845</span> m_logger.log(Logger.ERROR,<a name="line.845"></a> |
| <span class="sourceLineNo">846</span> "[" + m_name + "] createInstance -> The factory-method throws an exception : " + e.getTargetException(), e.getTargetException());<a name="line.846"></a> |
| <span class="sourceLineNo">847</span> onError(null, m_className, e.getTargetException());<a name="line.847"></a> |
| <span class="sourceLineNo">848</span> stop();<a name="line.848"></a> |
| <span class="sourceLineNo">849</span> throw new RuntimeException("Cannot create a POJO instance, the factory-method has thrown an exception", e.getTargetException());<a name="line.849"></a> |
| <span class="sourceLineNo">850</span> } catch (Throwable e) {<a name="line.850"></a> |
| <span class="sourceLineNo">851</span> // Catch every other possible error and runtime exception.<a name="line.851"></a> |
| <span class="sourceLineNo">852</span> m_logger.log(Logger.ERROR,<a name="line.852"></a> |
| <span class="sourceLineNo">853</span> "[" + m_name + "] createInstance -> The factory-method invocation failed : " + e.getMessage(), e);<a name="line.853"></a> |
| <span class="sourceLineNo">854</span> stop();<a name="line.854"></a> |
| <span class="sourceLineNo">855</span> throw new RuntimeException("Cannot create a POJO instance, the factory-method invocation has thrown an exception", e);<a name="line.855"></a> |
| <span class="sourceLineNo">856</span> }<a name="line.856"></a> |
| <span class="sourceLineNo">857</span> }<a name="line.857"></a> |
| <span class="sourceLineNo">858</span> return instance;<a name="line.858"></a> |
| <span class="sourceLineNo">859</span> }<a name="line.859"></a> |
| <span class="sourceLineNo">860</span><a name="line.860"></a> |
| <span class="sourceLineNo">861</span> /**<a name="line.861"></a> |
| <span class="sourceLineNo">862</span> * Creates an instance of the content.<a name="line.862"></a> |
| <span class="sourceLineNo">863</span> * This method needs to be called once only for singleton provided service.<a name="line.863"></a> |
| <span class="sourceLineNo">864</span> * This methods call the {@link InstanceManager#createObject()} method, and adds<a name="line.864"></a> |
| <span class="sourceLineNo">865</span> * the created object to the {@link InstanceManager#m_pojoObjects} list. Then,<a name="line.865"></a> |
| <span class="sourceLineNo">866</span> * it calls the {@link PrimitiveHandler#onCreation(Object)} methods on attached<a name="line.866"></a> |
| <span class="sourceLineNo">867</span> * handlers.<a name="line.867"></a> |
| <span class="sourceLineNo">868</span> * @return a new instance or <code>null</code> if an error occurs during the<a name="line.868"></a> |
| <span class="sourceLineNo">869</span> * creation.<a name="line.869"></a> |
| <span class="sourceLineNo">870</span> */<a name="line.870"></a> |
| <span class="sourceLineNo">871</span> public Object createPojoObject() {<a name="line.871"></a> |
| <span class="sourceLineNo">872</span> Object instance = createObject();<a name="line.872"></a> |
| <span class="sourceLineNo">873</span><a name="line.873"></a> |
| <span class="sourceLineNo">874</span> // Add the new instance in the instance list.<a name="line.874"></a> |
| <span class="sourceLineNo">875</span> synchronized (this) {<a name="line.875"></a> |
| <span class="sourceLineNo">876</span> if (m_pojoObjects == null) {<a name="line.876"></a> |
| <span class="sourceLineNo">877</span> m_pojoObjects = new ArrayList(1);<a name="line.877"></a> |
| <span class="sourceLineNo">878</span> }<a name="line.878"></a> |
| <span class="sourceLineNo">879</span> m_pojoObjects.add(instance);<a name="line.879"></a> |
| <span class="sourceLineNo">880</span> }<a name="line.880"></a> |
| <span class="sourceLineNo">881</span> // Call createInstance on Handlers :<a name="line.881"></a> |
| <span class="sourceLineNo">882</span> for (int i = 0; i < m_handlers.length; i++) {<a name="line.882"></a> |
| <span class="sourceLineNo">883</span> // This methods must be call without the monitor lock.<a name="line.883"></a> |
| <span class="sourceLineNo">884</span> ((PrimitiveHandler) m_handlers[i].getHandler()).onCreation(instance);<a name="line.884"></a> |
| <span class="sourceLineNo">885</span> }<a name="line.885"></a> |
| <span class="sourceLineNo">886</span><a name="line.886"></a> |
| <span class="sourceLineNo">887</span> return instance;<a name="line.887"></a> |
| <span class="sourceLineNo">888</span> }<a name="line.888"></a> |
| <span class="sourceLineNo">889</span><a name="line.889"></a> |
| <span class="sourceLineNo">890</span> /**<a name="line.890"></a> |
| <span class="sourceLineNo">891</span> * Deletes a POJO object.<a name="line.891"></a> |
| <span class="sourceLineNo">892</span> * @param pojo the pojo to remove from the list of created pojos.<a name="line.892"></a> |
| <span class="sourceLineNo">893</span> */<a name="line.893"></a> |
| <span class="sourceLineNo">894</span> public synchronized void deletePojoObject(Object pojo) {<a name="line.894"></a> |
| <span class="sourceLineNo">895</span> if (m_pojoObjects != null) {<a name="line.895"></a> |
| <span class="sourceLineNo">896</span> m_pojoObjects.remove(pojo);<a name="line.896"></a> |
| <span class="sourceLineNo">897</span> }<a name="line.897"></a> |
| <span class="sourceLineNo">898</span> }<a name="line.898"></a> |
| <span class="sourceLineNo">899</span><a name="line.899"></a> |
| <span class="sourceLineNo">900</span> /**<a name="line.900"></a> |
| <span class="sourceLineNo">901</span> * Gets the first object created by the instance.<a name="line.901"></a> |
| <span class="sourceLineNo">902</span> * If no object created, creates and returns a POJO object.<a name="line.902"></a> |
| <span class="sourceLineNo">903</span> * This methods call the {@link InstanceManager#createObject()} method, and adds<a name="line.903"></a> |
| <span class="sourceLineNo">904</span> * the created object to the {@link InstanceManager#m_pojoObjects} list. Then,<a name="line.904"></a> |
| <span class="sourceLineNo">905</span> * it calls the {@link PrimitiveHandler#onCreation(Object)} methods on attached<a name="line.905"></a> |
| <span class="sourceLineNo">906</span> * handlers.<a name="line.906"></a> |
| <span class="sourceLineNo">907</span> * <br/><a name="line.907"></a> |
| <span class="sourceLineNo">908</span> * <p><a name="line.908"></a> |
| <span class="sourceLineNo">909</span> * <b>TODO</b> this method has a potential race condition if two threads require a pojo<a name="line.909"></a> |
| <span class="sourceLineNo">910</span> * object at the same time. Only one object will be created, but the second thread<a name="line.910"></a> |
| <span class="sourceLineNo">911</span> * can receive the created object before the {@link PrimitiveHandler#onCreation(Object)}<a name="line.911"></a> |
| <span class="sourceLineNo">912</span> * calls.<a name="line.912"></a> |
| <span class="sourceLineNo">913</span> * </p><a name="line.913"></a> |
| <span class="sourceLineNo">914</span> * @return the pojo object of the component instance to use for singleton component<a name="line.914"></a> |
| <span class="sourceLineNo">915</span> */<a name="line.915"></a> |
| <span class="sourceLineNo">916</span> public Object getPojoObject() {<a name="line.916"></a> |
| <span class="sourceLineNo">917</span> Object pojo = null;<a name="line.917"></a> |
| <span class="sourceLineNo">918</span> boolean newPOJO = false;<a name="line.918"></a> |
| <span class="sourceLineNo">919</span> synchronized (this) {<a name="line.919"></a> |
| <span class="sourceLineNo">920</span> if (m_pojoObjects != null) {<a name="line.920"></a> |
| <span class="sourceLineNo">921</span> pojo = m_pojoObjects.get(0); // Stack confinement<a name="line.921"></a> |
| <span class="sourceLineNo">922</span> } else {<a name="line.922"></a> |
| <span class="sourceLineNo">923</span> pojo = createObject(); // Stack confinement<a name="line.923"></a> |
| <span class="sourceLineNo">924</span> if (m_pojoObjects == null) {<a name="line.924"></a> |
| <span class="sourceLineNo">925</span> m_pojoObjects = new ArrayList(1);<a name="line.925"></a> |
| <span class="sourceLineNo">926</span> }<a name="line.926"></a> |
| <span class="sourceLineNo">927</span> m_pojoObjects.add(pojo);<a name="line.927"></a> |
| <span class="sourceLineNo">928</span> newPOJO = true;<a name="line.928"></a> |
| <span class="sourceLineNo">929</span> }<a name="line.929"></a> |
| <span class="sourceLineNo">930</span> }<a name="line.930"></a> |
| <span class="sourceLineNo">931</span><a name="line.931"></a> |
| <span class="sourceLineNo">932</span> // Call createInstance on Handlers :<a name="line.932"></a> |
| <span class="sourceLineNo">933</span> for (int i = 0; newPOJO && i < m_handlers.length; i++) {<a name="line.933"></a> |
| <span class="sourceLineNo">934</span> ((PrimitiveHandler) m_handlers[i].getHandler()).onCreation(pojo);<a name="line.934"></a> |
| <span class="sourceLineNo">935</span> }<a name="line.935"></a> |
| <span class="sourceLineNo">936</span> //NOTE this method allows returning a POJO object before calling the onCreation on handler:<a name="line.936"></a> |
| <span class="sourceLineNo">937</span> // a second thread get the created object before the first one (which created the object),<a name="line.937"></a> |
| <span class="sourceLineNo">938</span> // call onCreation.<a name="line.938"></a> |
| <span class="sourceLineNo">939</span><a name="line.939"></a> |
| <span class="sourceLineNo">940</span> return pojo;<a name="line.940"></a> |
| <span class="sourceLineNo">941</span> }<a name="line.941"></a> |
| <span class="sourceLineNo">942</span><a name="line.942"></a> |
| <span class="sourceLineNo">943</span> /**<a name="line.943"></a> |
| <span class="sourceLineNo">944</span> * Gets the manipulated class.<a name="line.944"></a> |
| <span class="sourceLineNo">945</span> * The method does not need to be synchronized.<a name="line.945"></a> |
| <span class="sourceLineNo">946</span> * Reassigning the internal class will use the same class object.<a name="line.946"></a> |
| <span class="sourceLineNo">947</span> * @return the manipulated class<a name="line.947"></a> |
| <span class="sourceLineNo">948</span> */<a name="line.948"></a> |
| <span class="sourceLineNo">949</span> public Class getClazz() {<a name="line.949"></a> |
| <span class="sourceLineNo">950</span> if (m_clazz == null) {<a name="line.950"></a> |
| <span class="sourceLineNo">951</span> load();<a name="line.951"></a> |
| <span class="sourceLineNo">952</span> }<a name="line.952"></a> |
| <span class="sourceLineNo">953</span> return m_clazz;<a name="line.953"></a> |
| <span class="sourceLineNo">954</span> }<a name="line.954"></a> |
| <span class="sourceLineNo">955</span><a name="line.955"></a> |
| <span class="sourceLineNo">956</span> /**<a name="line.956"></a> |
| <span class="sourceLineNo">957</span> * Configures an injected object in this container.<a name="line.957"></a> |
| <span class="sourceLineNo">958</span> */<a name="line.958"></a> |
| <span class="sourceLineNo">959</span> private void managedInjectedObject() {<a name="line.959"></a> |
| <span class="sourceLineNo">960</span> Object obj = m_pojoObjects.get(0); // Get first object.<a name="line.960"></a> |
| <span class="sourceLineNo">961</span><a name="line.961"></a> |
| <span class="sourceLineNo">962</span> if (! (obj instanceof Pojo)) {<a name="line.962"></a> |
| <span class="sourceLineNo">963</span> // Error, the injected object is not a POJO.<a name="line.963"></a> |
| <span class="sourceLineNo">964</span> throw new RuntimeException("The injected object in " + m_name + " is not a POJO");<a name="line.964"></a> |
| <span class="sourceLineNo">965</span> }<a name="line.965"></a> |
| <span class="sourceLineNo">966</span><a name="line.966"></a> |
| <span class="sourceLineNo">967</span> load(); // Load the class.<a name="line.967"></a> |
| <span class="sourceLineNo">968</span><a name="line.968"></a> |
| <span class="sourceLineNo">969</span> if (! m_clazz.isInstance(obj)) {<a name="line.969"></a> |
| <span class="sourceLineNo">970</span> throw new RuntimeException("The injected object in " + m_name + " is not an instance of " + m_className);<a name="line.970"></a> |
| <span class="sourceLineNo">971</span> }<a name="line.971"></a> |
| <span class="sourceLineNo">972</span><a name="line.972"></a> |
| <span class="sourceLineNo">973</span> // Call _setInstanceManager<a name="line.973"></a> |
| <span class="sourceLineNo">974</span> try {<a name="line.974"></a> |
| <span class="sourceLineNo">975</span> Method setIM = m_clazz.getDeclaredMethod("_setInstanceManager", new Class[] {this.getClass()});<a name="line.975"></a> |
| <span class="sourceLineNo">976</span> setIM.setAccessible(true); // Necessary as the method is private<a name="line.976"></a> |
| <span class="sourceLineNo">977</span> setIM.invoke(obj, new Object[] {this});<a name="line.977"></a> |
| <span class="sourceLineNo">978</span> } catch (Exception e) {<a name="line.978"></a> |
| <span class="sourceLineNo">979</span> // If anything wrong happened...<a name="line.979"></a> |
| <span class="sourceLineNo">980</span> throw new RuntimeException("Cannot attach the injected object with the container of " + m_name, e);<a name="line.980"></a> |
| <span class="sourceLineNo">981</span> }<a name="line.981"></a> |
| <span class="sourceLineNo">982</span><a name="line.982"></a> |
| <span class="sourceLineNo">983</span> // Call createInstance on Handlers :<a name="line.983"></a> |
| <span class="sourceLineNo">984</span> for (int i = 0; i < m_handlers.length; i++) {<a name="line.984"></a> |
| <span class="sourceLineNo">985</span> // This methods must be call without the monitor lock.<a name="line.985"></a> |
| <span class="sourceLineNo">986</span> ((PrimitiveHandler) m_handlers[i].getHandler()).onCreation(obj);<a name="line.986"></a> |
| <span class="sourceLineNo">987</span> }<a name="line.987"></a> |
| <span class="sourceLineNo">988</span><a name="line.988"></a> |
| <span class="sourceLineNo">989</span><a name="line.989"></a> |
| <span class="sourceLineNo">990</span> }<a name="line.990"></a> |
| <span class="sourceLineNo">991</span><a name="line.991"></a> |
| <span class="sourceLineNo">992</span> /**<a name="line.992"></a> |
| <span class="sourceLineNo">993</span> * Registers an handler.<a name="line.993"></a> |
| <span class="sourceLineNo">994</span> * This methods is called by handler wanting to monitor<a name="line.994"></a> |
| <span class="sourceLineNo">995</span> * fields and/or methods of the implementation class.<a name="line.995"></a> |
| <span class="sourceLineNo">996</span> * @param handler the handler to register<a name="line.996"></a> |
| <span class="sourceLineNo">997</span> * @param fields the field metadata list<a name="line.997"></a> |
| <span class="sourceLineNo">998</span> * @param methods the method metadata list<a name="line.998"></a> |
| <span class="sourceLineNo">999</span> * @deprecated use {@link InstanceManager#register(FieldMetadata, FieldInterceptor)}<a name="line.999"></a> |
| <span class="sourceLineNo">1000</span> * and {@link InstanceManager#register(MethodMetadata, MethodInterceptor)} instead.<a name="line.1000"></a> |
| <span class="sourceLineNo">1001</span> */<a name="line.1001"></a> |
| <span class="sourceLineNo">1002</span> public void register(PrimitiveHandler handler, FieldMetadata[] fields, MethodMetadata[] methods) {<a name="line.1002"></a> |
| <span class="sourceLineNo">1003</span> for (int i = 0; fields != null && i < fields.length; i++) {<a name="line.1003"></a> |
| <span class="sourceLineNo">1004</span> register(fields[i], handler);<a name="line.1004"></a> |
| <span class="sourceLineNo">1005</span> }<a name="line.1005"></a> |
| <span class="sourceLineNo">1006</span> for (int i = 0; methods != null && i < methods.length; i++) {<a name="line.1006"></a> |
| <span class="sourceLineNo">1007</span> register(methods[i], handler);<a name="line.1007"></a> |
| <span class="sourceLineNo">1008</span> }<a name="line.1008"></a> |
| <span class="sourceLineNo">1009</span><a name="line.1009"></a> |
| <span class="sourceLineNo">1010</span> }<a name="line.1010"></a> |
| <span class="sourceLineNo">1011</span><a name="line.1011"></a> |
| <span class="sourceLineNo">1012</span> /**<a name="line.1012"></a> |
| <span class="sourceLineNo">1013</span> * Registers a field interceptor.<a name="line.1013"></a> |
| <span class="sourceLineNo">1014</span> * A field interceptor will be notified of field access of the<a name="line.1014"></a> |
| <span class="sourceLineNo">1015</span> * implementation class. Note that handlers are field interceptors.<a name="line.1015"></a> |
| <span class="sourceLineNo">1016</span> * @param field the field to monitor<a name="line.1016"></a> |
| <span class="sourceLineNo">1017</span> * @param interceptor the field interceptor object<a name="line.1017"></a> |
| <span class="sourceLineNo">1018</span> */<a name="line.1018"></a> |
| <span class="sourceLineNo">1019</span> public void register(FieldMetadata field, FieldInterceptor interceptor) {<a name="line.1019"></a> |
| <span class="sourceLineNo">1020</span> if (m_fieldRegistration == null) {<a name="line.1020"></a> |
| <span class="sourceLineNo">1021</span> m_fieldRegistration = new HashMap();<a name="line.1021"></a> |
| <span class="sourceLineNo">1022</span> m_fieldRegistration.put(field.getFieldName(), new FieldInterceptor[] { interceptor });<a name="line.1022"></a> |
| <span class="sourceLineNo">1023</span> } else {<a name="line.1023"></a> |
| <span class="sourceLineNo">1024</span> FieldInterceptor[] list = (FieldInterceptor[]) m_fieldRegistration.get(field.getFieldName());<a name="line.1024"></a> |
| <span class="sourceLineNo">1025</span> if (list == null) {<a name="line.1025"></a> |
| <span class="sourceLineNo">1026</span> m_fieldRegistration.put(field.getFieldName(), new FieldInterceptor[] { interceptor });<a name="line.1026"></a> |
| <span class="sourceLineNo">1027</span> } else {<a name="line.1027"></a> |
| <span class="sourceLineNo">1028</span> for (int j = 0; j < list.length; j++) {<a name="line.1028"></a> |
| <span class="sourceLineNo">1029</span> if (list[j] == interceptor) {<a name="line.1029"></a> |
| <span class="sourceLineNo">1030</span> return;<a name="line.1030"></a> |
| <span class="sourceLineNo">1031</span> }<a name="line.1031"></a> |
| <span class="sourceLineNo">1032</span> }<a name="line.1032"></a> |
| <span class="sourceLineNo">1033</span> FieldInterceptor[] newList = new FieldInterceptor[list.length + 1];<a name="line.1033"></a> |
| <span class="sourceLineNo">1034</span> System.arraycopy(list, 0, newList, 0, list.length);<a name="line.1034"></a> |
| <span class="sourceLineNo">1035</span> newList[list.length] = interceptor;<a name="line.1035"></a> |
| <span class="sourceLineNo">1036</span> m_fieldRegistration.put(field.getFieldName(), newList);<a name="line.1036"></a> |
| <span class="sourceLineNo">1037</span> }<a name="line.1037"></a> |
| <span class="sourceLineNo">1038</span> }<a name="line.1038"></a> |
| <span class="sourceLineNo">1039</span> }<a name="line.1039"></a> |
| <span class="sourceLineNo">1040</span><a name="line.1040"></a> |
| <span class="sourceLineNo">1041</span> /**<a name="line.1041"></a> |
| <span class="sourceLineNo">1042</span> * Registers a method interceptor.<a name="line.1042"></a> |
| <span class="sourceLineNo">1043</span> * A method interceptor will be notified of method entries, exits<a name="line.1043"></a> |
| <span class="sourceLineNo">1044</span> * and errors. Note that handlers are method interceptors.<a name="line.1044"></a> |
| <span class="sourceLineNo">1045</span> * @param method the field to monitor<a name="line.1045"></a> |
| <span class="sourceLineNo">1046</span> * @param interceptor the field interceptor object<a name="line.1046"></a> |
| <span class="sourceLineNo">1047</span> */<a name="line.1047"></a> |
| <span class="sourceLineNo">1048</span> public void register(MethodMetadata method, MethodInterceptor interceptor) {<a name="line.1048"></a> |
| <span class="sourceLineNo">1049</span> if (m_methodRegistration == null) {<a name="line.1049"></a> |
| <span class="sourceLineNo">1050</span> m_methodRegistration = new HashMap();<a name="line.1050"></a> |
| <span class="sourceLineNo">1051</span> m_methodRegistration.put(method.getMethodIdentifier(), new MethodInterceptor[] { interceptor });<a name="line.1051"></a> |
| <span class="sourceLineNo">1052</span> } else {<a name="line.1052"></a> |
| <span class="sourceLineNo">1053</span> MethodInterceptor[] list = (MethodInterceptor[]) m_methodRegistration.get(method.getMethodIdentifier());<a name="line.1053"></a> |
| <span class="sourceLineNo">1054</span> if (list == null) {<a name="line.1054"></a> |
| <span class="sourceLineNo">1055</span> m_methodRegistration.put(method.getMethodIdentifier(), new MethodInterceptor[] { interceptor });<a name="line.1055"></a> |
| <span class="sourceLineNo">1056</span> } else {<a name="line.1056"></a> |
| <span class="sourceLineNo">1057</span> for (int j = 0; j < list.length; j++) {<a name="line.1057"></a> |
| <span class="sourceLineNo">1058</span> if (list[j] == interceptor) {<a name="line.1058"></a> |
| <span class="sourceLineNo">1059</span> return;<a name="line.1059"></a> |
| <span class="sourceLineNo">1060</span> }<a name="line.1060"></a> |
| <span class="sourceLineNo">1061</span> }<a name="line.1061"></a> |
| <span class="sourceLineNo">1062</span> MethodInterceptor[] newList = new MethodInterceptor[list.length + 1];<a name="line.1062"></a> |
| <span class="sourceLineNo">1063</span> System.arraycopy(list, 0, newList, 0, list.length);<a name="line.1063"></a> |
| <span class="sourceLineNo">1064</span> newList[list.length] = interceptor;<a name="line.1064"></a> |
| <span class="sourceLineNo">1065</span> m_methodRegistration.put(method.getMethodIdentifier(), newList);<a name="line.1065"></a> |
| <span class="sourceLineNo">1066</span> }<a name="line.1066"></a> |
| <span class="sourceLineNo">1067</span> }<a name="line.1067"></a> |
| <span class="sourceLineNo">1068</span> }<a name="line.1068"></a> |
| <span class="sourceLineNo">1069</span><a name="line.1069"></a> |
| <span class="sourceLineNo">1070</span> /**<a name="line.1070"></a> |
| <span class="sourceLineNo">1071</span> * Registers a method interceptor on a methods from an inner class.<a name="line.1071"></a> |
| <span class="sourceLineNo">1072</span> * A method interceptor will be notified of method entries, exits<a name="line.1072"></a> |
| <span class="sourceLineNo">1073</span> * and errors. Note that handlers are method interceptors.<a name="line.1073"></a> |
| <span class="sourceLineNo">1074</span> * @param method the field to monitor<a name="line.1074"></a> |
| <span class="sourceLineNo">1075</span> * @param innerClass the inner class name<a name="line.1075"></a> |
| <span class="sourceLineNo">1076</span> * @param interceptor the field interceptor object<a name="line.1076"></a> |
| <span class="sourceLineNo">1077</span> */<a name="line.1077"></a> |
| <span class="sourceLineNo">1078</span> public void register(MethodMetadata method, String innerClass, MethodInterceptor interceptor) {<a name="line.1078"></a> |
| <span class="sourceLineNo">1079</span> if (m_methodRegistration == null) {<a name="line.1079"></a> |
| <span class="sourceLineNo">1080</span> m_methodRegistration = new HashMap();<a name="line.1080"></a> |
| <span class="sourceLineNo">1081</span> m_methodRegistration.put(innerClass + "___" + method.getMethodIdentifier(),<a name="line.1081"></a> |
| <span class="sourceLineNo">1082</span> new MethodInterceptor[] { interceptor });<a name="line.1082"></a> |
| <span class="sourceLineNo">1083</span> } else {<a name="line.1083"></a> |
| <span class="sourceLineNo">1084</span> MethodInterceptor[] list = (MethodInterceptor[]) m_methodRegistration.get(method.getMethodIdentifier());<a name="line.1084"></a> |
| <span class="sourceLineNo">1085</span> if (list == null) {<a name="line.1085"></a> |
| <span class="sourceLineNo">1086</span> m_methodRegistration.put(innerClass + "___" + method.getMethodIdentifier(),<a name="line.1086"></a> |
| <span class="sourceLineNo">1087</span> new MethodInterceptor[] { interceptor });<a name="line.1087"></a> |
| <span class="sourceLineNo">1088</span> } else {<a name="line.1088"></a> |
| <span class="sourceLineNo">1089</span> for (int j = 0; j < list.length; j++) {<a name="line.1089"></a> |
| <span class="sourceLineNo">1090</span> if (list[j] == interceptor) {<a name="line.1090"></a> |
| <span class="sourceLineNo">1091</span> return;<a name="line.1091"></a> |
| <span class="sourceLineNo">1092</span> }<a name="line.1092"></a> |
| <span class="sourceLineNo">1093</span> }<a name="line.1093"></a> |
| <span class="sourceLineNo">1094</span> MethodInterceptor[] newList = new MethodInterceptor[list.length + 1];<a name="line.1094"></a> |
| <span class="sourceLineNo">1095</span> System.arraycopy(list, 0, newList, 0, list.length);<a name="line.1095"></a> |
| <span class="sourceLineNo">1096</span> newList[list.length] = interceptor;<a name="line.1096"></a> |
| <span class="sourceLineNo">1097</span> m_methodRegistration.put(innerClass + "___" + method.getMethodIdentifier(), newList);<a name="line.1097"></a> |
| <span class="sourceLineNo">1098</span> }<a name="line.1098"></a> |
| <span class="sourceLineNo">1099</span> }<a name="line.1099"></a> |
| <span class="sourceLineNo">1100</span> }<a name="line.1100"></a> |
| <span class="sourceLineNo">1101</span><a name="line.1101"></a> |
| <span class="sourceLineNo">1102</span> /**<a name="line.1102"></a> |
| <span class="sourceLineNo">1103</span> * Registers a constructor injector.<a name="line.1103"></a> |
| <span class="sourceLineNo">1104</span> * The constructor injector will be called when a pojo object is going to be<a name="line.1104"></a> |
| <span class="sourceLineNo">1105</span> * created.<a name="line.1105"></a> |
| <span class="sourceLineNo">1106</span> * @param index the index of the parameter. Only one injector per index can<a name="line.1106"></a> |
| <span class="sourceLineNo">1107</span> * be registered.<a name="line.1107"></a> |
| <span class="sourceLineNo">1108</span> * @param injector the injector object.<a name="line.1108"></a> |
| <span class="sourceLineNo">1109</span> * @throws ConfigurationException if the given index is already injected by another<a name="line.1109"></a> |
| <span class="sourceLineNo">1110</span> * injector<a name="line.1110"></a> |
| <span class="sourceLineNo">1111</span> */<a name="line.1111"></a> |
| <span class="sourceLineNo">1112</span> public void register(int index, ConstructorInjector injector) throws ConfigurationException {<a name="line.1112"></a> |
| <span class="sourceLineNo">1113</span> Integer key = new Integer(index);<a name="line.1113"></a> |
| <span class="sourceLineNo">1114</span> if (m_constructorRegistration == null) {<a name="line.1114"></a> |
| <span class="sourceLineNo">1115</span> m_constructorRegistration = new HashMap();<a name="line.1115"></a> |
| <span class="sourceLineNo">1116</span> }<a name="line.1116"></a> |
| <span class="sourceLineNo">1117</span> if (! m_constructorRegistration.containsKey(key)) {<a name="line.1117"></a> |
| <span class="sourceLineNo">1118</span> m_constructorRegistration.put(key, injector);<a name="line.1118"></a> |
| <span class="sourceLineNo">1119</span> } else {<a name="line.1119"></a> |
| <span class="sourceLineNo">1120</span> throw new ConfigurationException("Another constructor injector " +<a name="line.1120"></a> |
| <span class="sourceLineNo">1121</span> "manages the parameter " + index);<a name="line.1121"></a> |
| <span class="sourceLineNo">1122</span> }<a name="line.1122"></a> |
| <span class="sourceLineNo">1123</span> }<a name="line.1123"></a> |
| <span class="sourceLineNo">1124</span><a name="line.1124"></a> |
| <span class="sourceLineNo">1125</span> /**<a name="line.1125"></a> |
| <span class="sourceLineNo">1126</span> * This method is called by the manipulated class each time that a GETFIELD instruction is executed.<a name="line.1126"></a> |
| <span class="sourceLineNo">1127</span> * The method asks to each attached handler monitoring this field which value need<a name="line.1127"></a> |
| <span class="sourceLineNo">1128</span> * to be injected (i.e. returned) by invoking the {@link PrimitiveHandler#onGet(Object, String, Object)}<a name="line.1128"></a> |
| <span class="sourceLineNo">1129</span> * method. If the field value changes, this method call the {@link PrimitiveHandler#onSet(Object, String, Object)}<a name="line.1129"></a> |
| <span class="sourceLineNo">1130</span> * method on each field interceptor monitoring the field in order to advertize the new value.<a name="line.1130"></a> |
| <span class="sourceLineNo">1131</span> * @param pojo the pojo object on which the field was get<a name="line.1131"></a> |
| <span class="sourceLineNo">1132</span> * @param fieldName the field name on which the GETFIELD instruction is called<a name="line.1132"></a> |
| <span class="sourceLineNo">1133</span> * @return the value decided by the last asked handler (throws a warning if two fields decide two different values)<a name="line.1133"></a> |
| <span class="sourceLineNo">1134</span> */<a name="line.1134"></a> |
| <span class="sourceLineNo">1135</span> public Object onGet(Object pojo, String fieldName) {<a name="line.1135"></a> |
| <span class="sourceLineNo">1136</span> Object initialValue = null;<a name="line.1136"></a> |
| <span class="sourceLineNo">1137</span> synchronized (this) { // Stack confinement.<a name="line.1137"></a> |
| <span class="sourceLineNo">1138</span> initialValue = m_fields.get(fieldName);<a name="line.1138"></a> |
| <span class="sourceLineNo">1139</span> }<a name="line.1139"></a> |
| <span class="sourceLineNo">1140</span> Object result = initialValue;<a name="line.1140"></a> |
| <span class="sourceLineNo">1141</span> boolean hasChanged = false;<a name="line.1141"></a> |
| <span class="sourceLineNo">1142</span> // Get the list of registered handlers<a name="line.1142"></a> |
| <span class="sourceLineNo">1143</span> FieldInterceptor[] list = (FieldInterceptor[]) m_fieldRegistration.get(fieldName); // Immutable list.<a name="line.1143"></a> |
| <span class="sourceLineNo">1144</span> for (int i = 0; list != null && i < list.length; i++) {<a name="line.1144"></a> |
| <span class="sourceLineNo">1145</span> // Call onGet outside of a synchronized block.<a name="line.1145"></a> |
| <span class="sourceLineNo">1146</span> Object handlerResult = list[i].onGet(pojo, fieldName, initialValue);<a name="line.1146"></a> |
| <span class="sourceLineNo">1147</span> if (handlerResult == initialValue) {<a name="line.1147"></a> |
| <span class="sourceLineNo">1148</span> continue; // Non-binding case (default implementation).<a name="line.1148"></a> |
| <span class="sourceLineNo">1149</span> } else {<a name="line.1149"></a> |
| <span class="sourceLineNo">1150</span> if (result != initialValue) {<a name="line.1150"></a> |
| <span class="sourceLineNo">1151</span> //TODO analyze impact of removing conflict detection<a name="line.1151"></a> |
| <span class="sourceLineNo">1152</span> if ((handlerResult != null && !handlerResult.equals(result)) || (result != null && handlerResult == null)) {<a name="line.1152"></a> |
| <span class="sourceLineNo">1153</span> m_logger.log(<a name="line.1153"></a> |
| <span class="sourceLineNo">1154</span> Logger.WARNING,<a name="line.1154"></a> |
| <span class="sourceLineNo">1155</span> "A conflict was detected on the injection of "<a name="line.1155"></a> |
| <span class="sourceLineNo">1156</span> + fieldName);<a name="line.1156"></a> |
| <span class="sourceLineNo">1157</span> }<a name="line.1157"></a> |
| <span class="sourceLineNo">1158</span> }<a name="line.1158"></a> |
| <span class="sourceLineNo">1159</span> result = handlerResult;<a name="line.1159"></a> |
| <span class="sourceLineNo">1160</span> hasChanged = true;<a name="line.1160"></a> |
| <span class="sourceLineNo">1161</span> }<a name="line.1161"></a> |
| <span class="sourceLineNo">1162</span> }<a name="line.1162"></a> |
| <span class="sourceLineNo">1163</span> if (hasChanged) {<a name="line.1163"></a> |
| <span class="sourceLineNo">1164</span> // A change occurs => notify the change<a name="line.1164"></a> |
| <span class="sourceLineNo">1165</span> //TODO consider just changing the reference, however multiple thread can be an issue<a name="line.1165"></a> |
| <span class="sourceLineNo">1166</span> synchronized (this) {<a name="line.1166"></a> |
| <span class="sourceLineNo">1167</span> m_fields.put(fieldName, result);<a name="line.1167"></a> |
| <span class="sourceLineNo">1168</span> }<a name="line.1168"></a> |
| <span class="sourceLineNo">1169</span> // Call onset outside of a synchronized block.<a name="line.1169"></a> |
| <span class="sourceLineNo">1170</span> for (int i = 0; list != null && i < list.length; i++) {<a name="line.1170"></a> |
| <span class="sourceLineNo">1171</span> list[i].onSet(pojo, fieldName, result);<a name="line.1171"></a> |
| <span class="sourceLineNo">1172</span> }<a name="line.1172"></a> |
| <span class="sourceLineNo">1173</span> }<a name="line.1173"></a> |
| <span class="sourceLineNo">1174</span> return result;<a name="line.1174"></a> |
| <span class="sourceLineNo">1175</span> }<a name="line.1175"></a> |
| <span class="sourceLineNo">1176</span><a name="line.1176"></a> |
| <span class="sourceLineNo">1177</span> /**<a name="line.1177"></a> |
| <span class="sourceLineNo">1178</span> * Dispatches entry method events on registered method interceptors.<a name="line.1178"></a> |
| <span class="sourceLineNo">1179</span> * This method calls the {@link MethodInterceptor#onEntry(Object, java.lang.reflect.Member, Object[])}<a name="line.1179"></a> |
| <span class="sourceLineNo">1180</span> * methods on method interceptors monitoring the method.<a name="line.1180"></a> |
| <span class="sourceLineNo">1181</span> * @param pojo the pojo object on which method is invoked.<a name="line.1181"></a> |
| <span class="sourceLineNo">1182</span> * @param methodId the method id used to compute the {@link Method} object.<a name="line.1182"></a> |
| <span class="sourceLineNo">1183</span> * @param args the argument array<a name="line.1183"></a> |
| <span class="sourceLineNo">1184</span> */<a name="line.1184"></a> |
| <span class="sourceLineNo">1185</span> public void onEntry(Object pojo, String methodId, Object[] args) {<a name="line.1185"></a> |
| <span class="sourceLineNo">1186</span> if (m_methodRegistration == null) { // Immutable field.<a name="line.1186"></a> |
| <span class="sourceLineNo">1187</span> return;<a name="line.1187"></a> |
| <span class="sourceLineNo">1188</span> }<a name="line.1188"></a> |
| <span class="sourceLineNo">1189</span><a name="line.1189"></a> |
| <span class="sourceLineNo">1190</span> MethodInterceptor[] list = (MethodInterceptor[]) m_methodRegistration.get(methodId);<a name="line.1190"></a> |
| <span class="sourceLineNo">1191</span> Member method = getMethodById(methodId);<a name="line.1191"></a> |
| <span class="sourceLineNo">1192</span> // We can't find the member object of anonymous methods.<a name="line.1192"></a> |
| <span class="sourceLineNo">1193</span><a name="line.1193"></a> |
| <span class="sourceLineNo">1194</span> // In case of a constructor, the method is null, and the list is null too.<a name="line.1194"></a> |
| <span class="sourceLineNo">1195</span> for (int i = 0; list != null && i < list.length; i++) {<a name="line.1195"></a> |
| <span class="sourceLineNo">1196</span> list[i].onEntry(pojo, method, args); // Outside a synchronized block.<a name="line.1196"></a> |
| <span class="sourceLineNo">1197</span> }<a name="line.1197"></a> |
| <span class="sourceLineNo">1198</span> }<a name="line.1198"></a> |
| <span class="sourceLineNo">1199</span><a name="line.1199"></a> |
| <span class="sourceLineNo">1200</span> /**<a name="line.1200"></a> |
| <span class="sourceLineNo">1201</span> * Dispatches exit method events on registered method interceptors.<a name="line.1201"></a> |
| <span class="sourceLineNo">1202</span> * The given returned object is an instance of {@link Exception} if the method thrown an<a name="line.1202"></a> |
| <span class="sourceLineNo">1203</span> * exception. If the given object is <code>null</code>, either the method returns <code>void</code>,<a name="line.1203"></a> |
| <span class="sourceLineNo">1204</span> * or the method has returned <code>null</code><a name="line.1204"></a> |
| <span class="sourceLineNo">1205</span> * This method calls the {@link MethodInterceptor#onExit(Object, java.lang.reflect.Member, Object)} and the<a name="line.1205"></a> |
| <span class="sourceLineNo">1206</span> * {@link MethodInterceptor#onFinally(Object, java.lang.reflect.Member)} methods on method interceptors<a name="line.1206"></a> |
| <span class="sourceLineNo">1207</span> * monitoring the method.<a name="line.1207"></a> |
| <span class="sourceLineNo">1208</span> * @param pojo the pojo object on which method was invoked.<a name="line.1208"></a> |
| <span class="sourceLineNo">1209</span> * @param methodId the method id used to compute the {@link Method} object.<a name="line.1209"></a> |
| <span class="sourceLineNo">1210</span> * @param result the returned object.<a name="line.1210"></a> |
| <span class="sourceLineNo">1211</span> */<a name="line.1211"></a> |
| <span class="sourceLineNo">1212</span> public void onExit(Object pojo, String methodId, Object result) {<a name="line.1212"></a> |
| <span class="sourceLineNo">1213</span> if (m_methodRegistration == null) {<a name="line.1213"></a> |
| <span class="sourceLineNo">1214</span> return;<a name="line.1214"></a> |
| <span class="sourceLineNo">1215</span> }<a name="line.1215"></a> |
| <span class="sourceLineNo">1216</span> MethodInterceptor[] list = (MethodInterceptor[]) m_methodRegistration.get(methodId);<a name="line.1216"></a> |
| <span class="sourceLineNo">1217</span> Member method = getMethodById(methodId);<a name="line.1217"></a> |
| <span class="sourceLineNo">1218</span> for (int i = 0; list != null && i < list.length; i++) {<a name="line.1218"></a> |
| <span class="sourceLineNo">1219</span> list[i].onExit(pojo, method, result);<a name="line.1219"></a> |
| <span class="sourceLineNo">1220</span> }<a name="line.1220"></a> |
| <span class="sourceLineNo">1221</span> for (int i = 0; list != null && i < list.length; i++) {<a name="line.1221"></a> |
| <span class="sourceLineNo">1222</span> list[i].onFinally(pojo, method);<a name="line.1222"></a> |
| <span class="sourceLineNo">1223</span> }<a name="line.1223"></a> |
| <span class="sourceLineNo">1224</span> }<a name="line.1224"></a> |
| <span class="sourceLineNo">1225</span><a name="line.1225"></a> |
| <span class="sourceLineNo">1226</span> /**<a name="line.1226"></a> |
| <span class="sourceLineNo">1227</span> * Dispatches error method events on registered method interceptors.<a name="line.1227"></a> |
| <span class="sourceLineNo">1228</span> * or the method has returned <code>null</code><a name="line.1228"></a> |
| <span class="sourceLineNo">1229</span> * This method calls the {@link MethodInterceptor#onError(Object, java.lang.reflect.Member, Throwable)} and the<a name="line.1229"></a> |
| <span class="sourceLineNo">1230</span> * {@link MethodInterceptor#onFinally(Object, java.lang.reflect.Member)} methods on method interceptors monitoring<a name="line.1230"></a> |
| <span class="sourceLineNo">1231</span> * the method.<a name="line.1231"></a> |
| <span class="sourceLineNo">1232</span> * @param pojo the pojo object on which the method was invoked<a name="line.1232"></a> |
| <span class="sourceLineNo">1233</span> * @param methodId the method id used to compute the {@link Method} object.<a name="line.1233"></a> |
| <span class="sourceLineNo">1234</span> * @param error the Throwable object.<a name="line.1234"></a> |
| <span class="sourceLineNo">1235</span> */<a name="line.1235"></a> |
| <span class="sourceLineNo">1236</span> public void onError(Object pojo, String methodId, Throwable error) {<a name="line.1236"></a> |
| <span class="sourceLineNo">1237</span> if (m_methodRegistration == null) {<a name="line.1237"></a> |
| <span class="sourceLineNo">1238</span> return;<a name="line.1238"></a> |
| <span class="sourceLineNo">1239</span> }<a name="line.1239"></a> |
| <span class="sourceLineNo">1240</span> MethodInterceptor[] list = (MethodInterceptor[]) m_methodRegistration.get(methodId);<a name="line.1240"></a> |
| <span class="sourceLineNo">1241</span> Member method = getMethodById(methodId);<a name="line.1241"></a> |
| <span class="sourceLineNo">1242</span> for (int i = 0; list != null && i < list.length; i++) {<a name="line.1242"></a> |
| <span class="sourceLineNo">1243</span> list[i].onError(pojo, method, error);<a name="line.1243"></a> |
| <span class="sourceLineNo">1244</span> }<a name="line.1244"></a> |
| <span class="sourceLineNo">1245</span> for (int i = 0; list != null && i < list.length; i++) {<a name="line.1245"></a> |
| <span class="sourceLineNo">1246</span> list[i].onFinally(pojo, method);<a name="line.1246"></a> |
| <span class="sourceLineNo">1247</span> }<a name="line.1247"></a> |
| <span class="sourceLineNo">1248</span> }<a name="line.1248"></a> |
| <span class="sourceLineNo">1249</span><a name="line.1249"></a> |
| <span class="sourceLineNo">1250</span> /**<a name="line.1250"></a> |
| <span class="sourceLineNo">1251</span> * Computes the {@link Method} object from the given id.<a name="line.1251"></a> |
| <span class="sourceLineNo">1252</span> * Once computes, a map is used as a cache to avoid to recompute for<a name="line.1252"></a> |
| <span class="sourceLineNo">1253</span> * the same id.<a name="line.1253"></a> |
| <span class="sourceLineNo">1254</span> * @param methodId the method id<a name="line.1254"></a> |
| <span class="sourceLineNo">1255</span> * @return the method object or <code>null</code> if the method cannot be found.<a name="line.1255"></a> |
| <span class="sourceLineNo">1256</span> */<a name="line.1256"></a> |
| <span class="sourceLineNo">1257</span> private Member getMethodById(String methodId) {<a name="line.1257"></a> |
| <span class="sourceLineNo">1258</span> // Used a synchronized map.<a name="line.1258"></a> |
| <span class="sourceLineNo">1259</span> Member member = (Member) m_methods.get(methodId);<a name="line.1259"></a> |
| <span class="sourceLineNo">1260</span> if (! m_methods.containsKey(methodId) && m_clazz != null) {<a name="line.1260"></a> |
| <span class="sourceLineNo">1261</span> // Is it a inner class method<a name="line.1261"></a> |
| <span class="sourceLineNo">1262</span> if (methodId.contains("___")) { // Mark to detect a inner class method.<a name="line.1262"></a> |
| <span class="sourceLineNo">1263</span> String[] split = methodId.split("___");<a name="line.1263"></a> |
| <span class="sourceLineNo">1264</span> if (split.length != 2) {<a name="line.1264"></a> |
| <span class="sourceLineNo">1265</span> m_logger.log(Logger.INFO, "A methodID cannot be associated with a method from the POJO class: " + methodId);<a name="line.1265"></a> |
| <span class="sourceLineNo">1266</span> return null;<a name="line.1266"></a> |
| <span class="sourceLineNo">1267</span> } else {<a name="line.1267"></a> |
| <span class="sourceLineNo">1268</span> String innerClassName = split[0];<a name="line.1268"></a> |
| <span class="sourceLineNo">1269</span> methodId = split[1];<a name="line.1269"></a> |
| <span class="sourceLineNo">1270</span><a name="line.1270"></a> |
| <span class="sourceLineNo">1271</span> // We can't find the member objects from anonymous methods, identified by their numeric name<a name="line.1271"></a> |
| <span class="sourceLineNo">1272</span> // Just escaping in this case.<a name="line.1272"></a> |
| <span class="sourceLineNo">1273</span> if (innerClassName.matches("-?\\d+")) {<a name="line.1273"></a> |
| <span class="sourceLineNo">1274</span> m_methods.put(methodId, null);<a name="line.1274"></a> |
| <span class="sourceLineNo">1275</span> return null;<a name="line.1275"></a> |
| <span class="sourceLineNo">1276</span> }<a name="line.1276"></a> |
| <span class="sourceLineNo">1277</span><a name="line.1277"></a> |
| <span class="sourceLineNo">1278</span> for (Class c : m_clazz.getDeclaredClasses()) {<a name="line.1278"></a> |
| <span class="sourceLineNo">1279</span> if (innerClassName.equals(c.getSimpleName())) {<a name="line.1279"></a> |
| <span class="sourceLineNo">1280</span> Method[] mets = c.getDeclaredMethods();<a name="line.1280"></a> |
| <span class="sourceLineNo">1281</span> for (Method met : mets) {<a name="line.1281"></a> |
| <span class="sourceLineNo">1282</span> if (MethodMetadata.computeMethodId(met).equals(methodId)) {<a name="line.1282"></a> |
| <span class="sourceLineNo">1283</span> // Store the new methodId<a name="line.1283"></a> |
| <span class="sourceLineNo">1284</span> m_methods.put(methodId, met);<a name="line.1284"></a> |
| <span class="sourceLineNo">1285</span> return met;<a name="line.1285"></a> |
| <span class="sourceLineNo">1286</span> }<a name="line.1286"></a> |
| <span class="sourceLineNo">1287</span> }<a name="line.1287"></a> |
| <span class="sourceLineNo">1288</span> }<a name="line.1288"></a> |
| <span class="sourceLineNo">1289</span> m_logger.log(Logger.INFO, "Cannot find the member associated to " + methodId + " - reason: " +<a name="line.1289"></a> |
| <span class="sourceLineNo">1290</span> "cannot find the class " + innerClassName + " declared in " + m_clazz.getName());<a name="line.1290"></a> |
| <span class="sourceLineNo">1291</span> }<a name="line.1291"></a> |
| <span class="sourceLineNo">1292</span> }<a name="line.1292"></a> |
| <span class="sourceLineNo">1293</span> }<a name="line.1293"></a> |
| <span class="sourceLineNo">1294</span><a name="line.1294"></a> |
| <span class="sourceLineNo">1295</span><a name="line.1295"></a> |
| <span class="sourceLineNo">1296</span> // First try on methods.<a name="line.1296"></a> |
| <span class="sourceLineNo">1297</span> Method[] mets = m_clazz.getDeclaredMethods();<a name="line.1297"></a> |
| <span class="sourceLineNo">1298</span> for (int i = 0; i < mets.length; i++) {<a name="line.1298"></a> |
| <span class="sourceLineNo">1299</span> if (MethodMetadata.computeMethodId(mets[i]).equals(methodId)) {<a name="line.1299"></a> |
| <span class="sourceLineNo">1300</span> // Store the new methodId<a name="line.1300"></a> |
| <span class="sourceLineNo">1301</span> m_methods.put(methodId, mets[i]);<a name="line.1301"></a> |
| <span class="sourceLineNo">1302</span> return mets[i];<a name="line.1302"></a> |
| <span class="sourceLineNo">1303</span> }<a name="line.1303"></a> |
| <span class="sourceLineNo">1304</span> }<a name="line.1304"></a> |
| <span class="sourceLineNo">1305</span><a name="line.1305"></a> |
| <span class="sourceLineNo">1306</span> // If not found, it is a constructor, return the constructor object in this case.<a name="line.1306"></a> |
| <span class="sourceLineNo">1307</span> if (methodId.startsWith(MethodMetadata.CONSTRUCTOR_PREFIX)) {<a name="line.1307"></a> |
| <span class="sourceLineNo">1308</span> Constructor[] constructors = m_clazz.getDeclaredConstructors();<a name="line.1308"></a> |
| <span class="sourceLineNo">1309</span> for (int i = 0; i < constructors.length; i++) {<a name="line.1309"></a> |
| <span class="sourceLineNo">1310</span> // Check if the constructor was not already computed. If not, compute the Id and check.<a name="line.1310"></a> |
| <span class="sourceLineNo">1311</span> if (MethodMetadata.computeMethodId(constructors[i]).equals(methodId)) {<a name="line.1311"></a> |
| <span class="sourceLineNo">1312</span> // Store the new methodId<a name="line.1312"></a> |
| <span class="sourceLineNo">1313</span> m_methods.put(methodId, constructors[i]);<a name="line.1313"></a> |
| <span class="sourceLineNo">1314</span> return constructors[i];<a name="line.1314"></a> |
| <span class="sourceLineNo">1315</span> }<a name="line.1315"></a> |
| <span class="sourceLineNo">1316</span> }<a name="line.1316"></a> |
| <span class="sourceLineNo">1317</span> }<a name="line.1317"></a> |
| <span class="sourceLineNo">1318</span><a name="line.1318"></a> |
| <span class="sourceLineNo">1319</span> // Should not happen<a name="line.1319"></a> |
| <span class="sourceLineNo">1320</span> m_logger.log(Logger.INFO, "A methodID cannot be associated with a method from the POJO class: " + methodId);<a name="line.1320"></a> |
| <span class="sourceLineNo">1321</span> return null;<a name="line.1321"></a> |
| <span class="sourceLineNo">1322</span> } else {<a name="line.1322"></a> |
| <span class="sourceLineNo">1323</span> return member;<a name="line.1323"></a> |
| <span class="sourceLineNo">1324</span> }<a name="line.1324"></a> |
| <span class="sourceLineNo">1325</span> }<a name="line.1325"></a> |
| <span class="sourceLineNo">1326</span><a name="line.1326"></a> |
| <span class="sourceLineNo">1327</span> /**<a name="line.1327"></a> |
| <span class="sourceLineNo">1328</span> * This method is called by the manipulated class each time that a PUTFIELD instruction is executed.<a name="line.1328"></a> |
| <span class="sourceLineNo">1329</span> * The method calls the {@link PrimitiveHandler#onSet(Object, String, Object)} method on each field<a name="line.1329"></a> |
| <span class="sourceLineNo">1330</span> * interceptors monitoring this field.<a name="line.1330"></a> |
| <span class="sourceLineNo">1331</span> * This method can be invoked with a <code>null</code> pojo argument when the changes comes from another<a name="line.1331"></a> |
| <span class="sourceLineNo">1332</span> * handler.<a name="line.1332"></a> |
| <span class="sourceLineNo">1333</span> * @param pojo the pojo object on which the field was set<a name="line.1333"></a> |
| <span class="sourceLineNo">1334</span> * @param fieldName the field name on which the PUTFIELD instruction is called<a name="line.1334"></a> |
| <span class="sourceLineNo">1335</span> * @param objectValue the new value of the field<a name="line.1335"></a> |
| <span class="sourceLineNo">1336</span> */<a name="line.1336"></a> |
| <span class="sourceLineNo">1337</span> public void onSet(final Object pojo, final String fieldName, final Object objectValue) {<a name="line.1337"></a> |
| <span class="sourceLineNo">1338</span> synchronized (this) {<a name="line.1338"></a> |
| <span class="sourceLineNo">1339</span> // First, store the new value.<a name="line.1339"></a> |
| <span class="sourceLineNo">1340</span> // This must be done in a synchronized block to avoid<a name="line.1340"></a> |
| <span class="sourceLineNo">1341</span> // concurrent modification<a name="line.1341"></a> |
| <span class="sourceLineNo">1342</span> m_fields.put(fieldName, objectValue);<a name="line.1342"></a> |
| <span class="sourceLineNo">1343</span> }<a name="line.1343"></a> |
| <span class="sourceLineNo">1344</span> // The registrations cannot be modified, so we can directly access<a name="line.1344"></a> |
| <span class="sourceLineNo">1345</span> // the interceptor list.<a name="line.1345"></a> |
| <span class="sourceLineNo">1346</span> FieldInterceptor[] list = (FieldInterceptor[]) m_fieldRegistration<a name="line.1346"></a> |
| <span class="sourceLineNo">1347</span> .get(fieldName);<a name="line.1347"></a> |
| <span class="sourceLineNo">1348</span> for (int i = 0; list != null && i < list.length; i++) {<a name="line.1348"></a> |
| <span class="sourceLineNo">1349</span> // The callback must be call outside the synchronization block.<a name="line.1349"></a> |
| <span class="sourceLineNo">1350</span> list[i].onSet(pojo, fieldName, objectValue);<a name="line.1350"></a> |
| <span class="sourceLineNo">1351</span> }<a name="line.1351"></a> |
| <span class="sourceLineNo">1352</span> }<a name="line.1352"></a> |
| <span class="sourceLineNo">1353</span><a name="line.1353"></a> |
| <span class="sourceLineNo">1354</span><a name="line.1354"></a> |
| <span class="sourceLineNo">1355</span> /**<a name="line.1355"></a> |
| <span class="sourceLineNo">1356</span> * Gets the bundle context used by this component instance.<a name="line.1356"></a> |
| <span class="sourceLineNo">1357</span> * @return the context of the component.<a name="line.1357"></a> |
| <span class="sourceLineNo">1358</span> * @see org.apache.felix.ipojo.ComponentInstance#getContext()<a name="line.1358"></a> |
| <span class="sourceLineNo">1359</span> */<a name="line.1359"></a> |
| <span class="sourceLineNo">1360</span> public BundleContext getContext() {<a name="line.1360"></a> |
| <span class="sourceLineNo">1361</span> return m_context; // Immutable<a name="line.1361"></a> |
| <span class="sourceLineNo">1362</span> }<a name="line.1362"></a> |
| <span class="sourceLineNo">1363</span><a name="line.1363"></a> |
| <span class="sourceLineNo">1364</span> /**<a name="line.1364"></a> |
| <span class="sourceLineNo">1365</span> * Gets the global bundle context. This is the bundle context<a name="line.1365"></a> |
| <span class="sourceLineNo">1366</span> * of the bundle declaring the component type.<a name="line.1366"></a> |
| <span class="sourceLineNo">1367</span> * @return the bundle context of the bundle declaring the component<a name="line.1367"></a> |
| <span class="sourceLineNo">1368</span> * type.<a name="line.1368"></a> |
| <span class="sourceLineNo">1369</span> */<a name="line.1369"></a> |
| <span class="sourceLineNo">1370</span> public BundleContext getGlobalContext() {<a name="line.1370"></a> |
| <span class="sourceLineNo">1371</span> return ((IPojoContext) m_context).getGlobalContext(); // Immutable<a name="line.1371"></a> |
| <span class="sourceLineNo">1372</span> }<a name="line.1372"></a> |
| <span class="sourceLineNo">1373</span><a name="line.1373"></a> |
| <span class="sourceLineNo">1374</span><a name="line.1374"></a> |
| <span class="sourceLineNo">1375</span> /**<a name="line.1375"></a> |
| <span class="sourceLineNo">1376</span> * Gets the local service context. This service context gives<a name="line.1376"></a> |
| <span class="sourceLineNo">1377</span> * access to the 'local' service registry (the composite one).<a name="line.1377"></a> |
| <span class="sourceLineNo">1378</span> * If the instance lives in the global (i.e. OSGi) context,<a name="line.1378"></a> |
| <span class="sourceLineNo">1379</span> * this method returns <code>null</code><a name="line.1379"></a> |
| <span class="sourceLineNo">1380</span> * @return the local service context or <code>null</code> if the<a name="line.1380"></a> |
| <span class="sourceLineNo">1381</span> * instance doesn't live in a composite.<a name="line.1381"></a> |
| <span class="sourceLineNo">1382</span> */<a name="line.1382"></a> |
| <span class="sourceLineNo">1383</span> public ServiceContext getLocalServiceContext() {<a name="line.1383"></a> |
| <span class="sourceLineNo">1384</span> return ((IPojoContext) m_context).getServiceContext(); // Immutable<a name="line.1384"></a> |
| <span class="sourceLineNo">1385</span> }<a name="line.1385"></a> |
| <span class="sourceLineNo">1386</span><a name="line.1386"></a> |
| <span class="sourceLineNo">1387</span> /**<a name="line.1387"></a> |
| <span class="sourceLineNo">1388</span> * Gets the instance name.<a name="line.1388"></a> |
| <span class="sourceLineNo">1389</span> * @return the instance name.<a name="line.1389"></a> |
| <span class="sourceLineNo">1390</span> * @see org.apache.felix.ipojo.ComponentInstance#getInstanceName()<a name="line.1390"></a> |
| <span class="sourceLineNo">1391</span> */<a name="line.1391"></a> |
| <span class="sourceLineNo">1392</span> public String getInstanceName() {<a name="line.1392"></a> |
| <span class="sourceLineNo">1393</span> return m_name; // Immutable<a name="line.1393"></a> |
| <span class="sourceLineNo">1394</span> }<a name="line.1394"></a> |
| <span class="sourceLineNo">1395</span><a name="line.1395"></a> |
| <span class="sourceLineNo">1396</span> /**<a name="line.1396"></a> |
| <span class="sourceLineNo">1397</span> * Reconfigures the current instance.<a name="line.1397"></a> |
| <span class="sourceLineNo">1398</span> * Reconfiguring an instance means re-injecting a new<a name="line.1398"></a> |
| <span class="sourceLineNo">1399</span> * instance configuration. Some properties are immutable<a name="line.1399"></a> |
| <span class="sourceLineNo">1400</span> * such as the instance name.<a name="line.1400"></a> |
| <span class="sourceLineNo">1401</span> * This methods calls the {@link PrimitiveHandler#reconfigure(Dictionary)}<a name="line.1401"></a> |
| <span class="sourceLineNo">1402</span> * methods on each attached handler, and then recompute the instance<a name="line.1402"></a> |
| <span class="sourceLineNo">1403</span> * state. Note that the reconfiguration process does not deactivate the<a name="line.1403"></a> |
| <span class="sourceLineNo">1404</span> * instance.<a name="line.1404"></a> |
| <span class="sourceLineNo">1405</span> * @param configuration the new configuration to push<a name="line.1405"></a> |
| <span class="sourceLineNo">1406</span> * @see org.apache.felix.ipojo.ComponentInstance#reconfigure(java.util.Dictionary)<a name="line.1406"></a> |
| <span class="sourceLineNo">1407</span> */<a name="line.1407"></a> |
| <span class="sourceLineNo">1408</span> public void reconfigure(Dictionary configuration) {<a name="line.1408"></a> |
| <span class="sourceLineNo">1409</span> m_logger.log(Logger.INFO, "Reconfiguring " + getInstanceName());<a name="line.1409"></a> |
| <span class="sourceLineNo">1410</span> for (int i = 0; i < m_handlers.length; i++) {<a name="line.1410"></a> |
| <span class="sourceLineNo">1411</span> m_handlers[i].getHandler().reconfigure(configuration);<a name="line.1411"></a> |
| <span class="sourceLineNo">1412</span> }<a name="line.1412"></a> |
| <span class="sourceLineNo">1413</span> // We synchronized the state computation.<a name="line.1413"></a> |
| <span class="sourceLineNo">1414</span> synchronized (this) {<a name="line.1414"></a> |
| <span class="sourceLineNo">1415</span> if (m_state == STOPPED) {<a name="line.1415"></a> |
| <span class="sourceLineNo">1416</span> m_logger.log(Logger.INFO, "Instance stopped during reconfiguration - Try to restart");<a name="line.1416"></a> |
| <span class="sourceLineNo">1417</span> start();<a name="line.1417"></a> |
| <span class="sourceLineNo">1418</span> } else if (m_state == INVALID) {<a name="line.1418"></a> |
| <span class="sourceLineNo">1419</span> m_logger.log(Logger.INFO, "Instance invalid during reconfiguration - Recompute state");<a name="line.1419"></a> |
| <span class="sourceLineNo">1420</span> // Try to revalidate the instance after reconfiguration<a name="line.1420"></a> |
| <span class="sourceLineNo">1421</span> for (int i = 0; i < m_handlers.length; i++) {<a name="line.1421"></a> |
| <span class="sourceLineNo">1422</span> if (m_handlers[i].getState() != VALID) {<a name="line.1422"></a> |
| <span class="sourceLineNo">1423</span> return;<a name="line.1423"></a> |
| <span class="sourceLineNo">1424</span> }<a name="line.1424"></a> |
| <span class="sourceLineNo">1425</span> }<a name="line.1425"></a> |
| <span class="sourceLineNo">1426</span> setState(VALID);<a name="line.1426"></a> |
| <span class="sourceLineNo">1427</span> }<a name="line.1427"></a> |
| <span class="sourceLineNo">1428</span> }<a name="line.1428"></a> |
| <span class="sourceLineNo">1429</span> }<a name="line.1429"></a> |
| <span class="sourceLineNo">1430</span><a name="line.1430"></a> |
| <span class="sourceLineNo">1431</span> /**<a name="line.1431"></a> |
| <span class="sourceLineNo">1432</span> * Gets the implementation class of the component type.<a name="line.1432"></a> |
| <span class="sourceLineNo">1433</span> * This method does not need to be synchronized as the<a name="line.1433"></a> |
| <span class="sourceLineNo">1434</span> * class name is constant once set.<a name="line.1434"></a> |
| <span class="sourceLineNo">1435</span> * @return the class name of the component implementation.<a name="line.1435"></a> |
| <span class="sourceLineNo">1436</span> */<a name="line.1436"></a> |
| <span class="sourceLineNo">1437</span> public String getClassName() {<a name="line.1437"></a> |
| <span class="sourceLineNo">1438</span> return m_className;<a name="line.1438"></a> |
| <span class="sourceLineNo">1439</span> }<a name="line.1439"></a> |
| <span class="sourceLineNo">1440</span><a name="line.1440"></a> |
| <span class="sourceLineNo">1441</span> /**<a name="line.1441"></a> |
| <span class="sourceLineNo">1442</span> * State Change listener callback.<a name="line.1442"></a> |
| <span class="sourceLineNo">1443</span> * This method is called every time that a plugged handler becomes valid or invalid.<a name="line.1443"></a> |
| <span class="sourceLineNo">1444</span> * This method computes the new instance state and applies it (by calling the<a name="line.1444"></a> |
| <span class="sourceLineNo">1445</span> * {@link InstanceManager#setState(int)} method.<a name="line.1445"></a> |
| <span class="sourceLineNo">1446</span> * @param instance the handler becoming valid or invalid<a name="line.1446"></a> |
| <span class="sourceLineNo">1447</span> * @param newState the new state of the handler<a name="line.1447"></a> |
| <span class="sourceLineNo">1448</span> * @see org.apache.felix.ipojo.InstanceStateListener#stateChanged(org.apache.felix.ipojo.ComponentInstance, int)<a name="line.1448"></a> |
| <span class="sourceLineNo">1449</span> */<a name="line.1449"></a> |
| <span class="sourceLineNo">1450</span> public void stateChanged(ComponentInstance instance, int newState) {<a name="line.1450"></a> |
| <span class="sourceLineNo">1451</span> int state;<a name="line.1451"></a> |
| <span class="sourceLineNo">1452</span> synchronized (this) {<a name="line.1452"></a> |
| <span class="sourceLineNo">1453</span> if (m_state <= STOPPED) {<a name="line.1453"></a> |
| <span class="sourceLineNo">1454</span> return;<a name="line.1454"></a> |
| <span class="sourceLineNo">1455</span> } else {<a name="line.1455"></a> |
| <span class="sourceLineNo">1456</span> state = m_state; // Stack confinement<a name="line.1456"></a> |
| <span class="sourceLineNo">1457</span> }<a name="line.1457"></a> |
| <span class="sourceLineNo">1458</span> }<a name="line.1458"></a> |
| <span class="sourceLineNo">1459</span><a name="line.1459"></a> |
| <span class="sourceLineNo">1460</span> // Update the component state if necessary<a name="line.1460"></a> |
| <span class="sourceLineNo">1461</span> if (newState == INVALID && state == VALID) {<a name="line.1461"></a> |
| <span class="sourceLineNo">1462</span> // Need to update the state to UNRESOLVED<a name="line.1462"></a> |
| <span class="sourceLineNo">1463</span> setState(INVALID);<a name="line.1463"></a> |
| <span class="sourceLineNo">1464</span> return;<a name="line.1464"></a> |
| <span class="sourceLineNo">1465</span> }<a name="line.1465"></a> |
| <span class="sourceLineNo">1466</span> if (newState == VALID && state == INVALID) {<a name="line.1466"></a> |
| <span class="sourceLineNo">1467</span> // An handler becomes valid => check if all handlers are valid<a name="line.1467"></a> |
| <span class="sourceLineNo">1468</span> for (int i = 0; i < m_handlers.length; i++) {<a name="line.1468"></a> |
| <span class="sourceLineNo">1469</span> if (m_handlers[i].getState() != VALID) {<a name="line.1469"></a> |
| <span class="sourceLineNo">1470</span> return;<a name="line.1470"></a> |
| <span class="sourceLineNo">1471</span> }<a name="line.1471"></a> |
| <span class="sourceLineNo">1472</span> }<a name="line.1472"></a> |
| <span class="sourceLineNo">1473</span> setState(VALID);<a name="line.1473"></a> |
| <span class="sourceLineNo">1474</span> return;<a name="line.1474"></a> |
| <span class="sourceLineNo">1475</span> }<a name="line.1475"></a> |
| <span class="sourceLineNo">1476</span> }<a name="line.1476"></a> |
| <span class="sourceLineNo">1477</span><a name="line.1477"></a> |
| <span class="sourceLineNo">1478</span> /**<a name="line.1478"></a> |
| <span class="sourceLineNo">1479</span> * Gets the list of registered fields (containing field names).<a name="line.1479"></a> |
| <span class="sourceLineNo">1480</span> * This method is invoked by the POJO itself during<a name="line.1480"></a> |
| <span class="sourceLineNo">1481</span> * its initialization.<a name="line.1481"></a> |
| <span class="sourceLineNo">1482</span> * @return the set of registered fields.<a name="line.1482"></a> |
| <span class="sourceLineNo">1483</span> */<a name="line.1483"></a> |
| <span class="sourceLineNo">1484</span> public Set getRegistredFields() {<a name="line.1484"></a> |
| <span class="sourceLineNo">1485</span> if (m_fieldRegistration == null) {<a name="line.1485"></a> |
| <span class="sourceLineNo">1486</span> return null;<a name="line.1486"></a> |
| <span class="sourceLineNo">1487</span> }<a name="line.1487"></a> |
| <span class="sourceLineNo">1488</span> return m_fieldRegistration.keySet();<a name="line.1488"></a> |
| <span class="sourceLineNo">1489</span> }<a name="line.1489"></a> |
| <span class="sourceLineNo">1490</span><a name="line.1490"></a> |
| <span class="sourceLineNo">1491</span> /**<a name="line.1491"></a> |
| <span class="sourceLineNo">1492</span> * Gets the list of registered methods (containing method ids).<a name="line.1492"></a> |
| <span class="sourceLineNo">1493</span> * This method is invoked by the POJO itself during its<a name="line.1493"></a> |
| <span class="sourceLineNo">1494</span> * initialization.<a name="line.1494"></a> |
| <span class="sourceLineNo">1495</span> * @return the set of registered methods.<a name="line.1495"></a> |
| <span class="sourceLineNo">1496</span> */<a name="line.1496"></a> |
| <span class="sourceLineNo">1497</span> public Set getRegistredMethods() {<a name="line.1497"></a> |
| <span class="sourceLineNo">1498</span> if (m_methodRegistration == null) {<a name="line.1498"></a> |
| <span class="sourceLineNo">1499</span> return null;<a name="line.1499"></a> |
| <span class="sourceLineNo">1500</span> } else {<a name="line.1500"></a> |
| <span class="sourceLineNo">1501</span> return m_methodRegistration.keySet();<a name="line.1501"></a> |
| <span class="sourceLineNo">1502</span> }<a name="line.1502"></a> |
| <span class="sourceLineNo">1503</span> }<a name="line.1503"></a> |
| <span class="sourceLineNo">1504</span>}<a name="line.1504"></a> |
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| </pre> |
| </div> |
| </body> |
| </html> |
