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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><a name="line.19"></a> |
| <span class="sourceLineNo">020</span>package org.apache.felix.ipojo.handlers.dependency;<a name="line.20"></a> |
| <span class="sourceLineNo">021</span><a name="line.21"></a> |
| <span class="sourceLineNo">022</span>import org.apache.felix.ipojo.*;<a name="line.22"></a> |
| <span class="sourceLineNo">023</span>import org.apache.felix.ipojo.handlers.dependency.ServiceUsage.Usage;<a name="line.23"></a> |
| <span class="sourceLineNo">024</span>import org.apache.felix.ipojo.util.DependencyModel;<a name="line.24"></a> |
| <span class="sourceLineNo">025</span>import org.apache.felix.ipojo.util.Log;<a name="line.25"></a> |
| <span class="sourceLineNo">026</span>import org.osgi.framework.BundleContext;<a name="line.26"></a> |
| <span class="sourceLineNo">027</span>import org.osgi.framework.Filter;<a name="line.27"></a> |
| <span class="sourceLineNo">028</span>import org.osgi.framework.ServiceReference;<a name="line.28"></a> |
| <span class="sourceLineNo">029</span><a name="line.29"></a> |
| <span class="sourceLineNo">030</span>import java.lang.reflect.*;<a name="line.30"></a> |
| <span class="sourceLineNo">031</span>import java.util.*;<a name="line.31"></a> |
| <span class="sourceLineNo">032</span><a name="line.32"></a> |
| <span class="sourceLineNo">033</span>/**<a name="line.33"></a> |
| <span class="sourceLineNo">034</span> * Represent a service dependency of the component instance.<a name="line.34"></a> |
| <span class="sourceLineNo">035</span> *<a name="line.35"></a> |
| <span class="sourceLineNo">036</span> * @author <a href="mailto:dev@felix.apache.org">Felix Project Team</a><a name="line.36"></a> |
| <span class="sourceLineNo">037</span> */<a name="line.37"></a> |
| <span class="sourceLineNo">038</span>public class Dependency extends DependencyModel implements FieldInterceptor, MethodInterceptor,<a name="line.38"></a> |
| <span class="sourceLineNo">039</span> ConstructorInjector {<a name="line.39"></a> |
| <span class="sourceLineNo">040</span><a name="line.40"></a> |
| <span class="sourceLineNo">041</span> /**<a name="line.41"></a> |
| <span class="sourceLineNo">042</span> * Reference on the Dependency Handler.<a name="line.42"></a> |
| <span class="sourceLineNo">043</span> */<a name="line.43"></a> |
| <span class="sourceLineNo">044</span> private final DependencyHandler m_handler;<a name="line.44"></a> |
| <span class="sourceLineNo">045</span> /**<a name="line.45"></a> |
| <span class="sourceLineNo">046</span> * Field of the dependency.<a name="line.46"></a> |
| <span class="sourceLineNo">047</span> */<a name="line.47"></a> |
| <span class="sourceLineNo">048</span> private final String m_field;<a name="line.48"></a> |
| <span class="sourceLineNo">049</span> /**<a name="line.49"></a> |
| <span class="sourceLineNo">050</span> * Default-Implementation.<a name="line.50"></a> |
| <span class="sourceLineNo">051</span> */<a name="line.51"></a> |
| <span class="sourceLineNo">052</span> private final String m_di;<a name="line.52"></a> |
| <span class="sourceLineNo">053</span> /**<a name="line.53"></a> |
| <span class="sourceLineNo">054</span> * Exception to throw when no providers are available.<a name="line.54"></a> |
| <span class="sourceLineNo">055</span> */<a name="line.55"></a> |
| <span class="sourceLineNo">056</span> private final String m_exception;<a name="line.56"></a> |
| <span class="sourceLineNo">057</span> /**<a name="line.57"></a> |
| <span class="sourceLineNo">058</span> * Is the Nullable pattern enable?<a name="line.58"></a> |
| <span class="sourceLineNo">059</span> */<a name="line.59"></a> |
| <span class="sourceLineNo">060</span> private final boolean m_supportNullable;<a name="line.60"></a> |
| <span class="sourceLineNo">061</span> /**<a name="line.61"></a> |
| <span class="sourceLineNo">062</span> * List of dependency callback.<a name="line.62"></a> |
| <span class="sourceLineNo">063</span> * Immutable once set.<a name="line.63"></a> |
| <span class="sourceLineNo">064</span> */<a name="line.64"></a> |
| <span class="sourceLineNo">065</span> private DependencyCallback[] m_callbacks;<a name="line.65"></a> |
| <span class="sourceLineNo">066</span> /**<a name="line.66"></a> |
| <span class="sourceLineNo">067</span> * Is the dependency a service level dependency.<a name="line.67"></a> |
| <span class="sourceLineNo">068</span> * Immutable once set.<a name="line.68"></a> |
| <span class="sourceLineNo">069</span> */<a name="line.69"></a> |
| <span class="sourceLineNo">070</span> private boolean m_isServiceLevelRequirement;<a name="line.70"></a> |
| <span class="sourceLineNo">071</span> /**<a name="line.71"></a> |
| <span class="sourceLineNo">072</span> * Is the provider set frozen ?<a name="line.72"></a> |
| <span class="sourceLineNo">073</span> */<a name="line.73"></a> |
| <span class="sourceLineNo">074</span> private boolean m_isFrozen;<a name="line.74"></a> |
| <span class="sourceLineNo">075</span> /**<a name="line.75"></a> |
| <span class="sourceLineNo">076</span> * Is the dependency started ?<a name="line.76"></a> |
| <span class="sourceLineNo">077</span> */<a name="line.77"></a> |
| <span class="sourceLineNo">078</span> private boolean m_isStarted;<a name="line.78"></a> |
| <span class="sourceLineNo">079</span> /**<a name="line.79"></a> |
| <span class="sourceLineNo">080</span> * Thread Local.<a name="line.80"></a> |
| <span class="sourceLineNo">081</span> */<a name="line.81"></a> |
| <span class="sourceLineNo">082</span> private ServiceUsage m_usage;<a name="line.82"></a> |
| <span class="sourceLineNo">083</span> /**<a name="line.83"></a> |
| <span class="sourceLineNo">084</span> * Type of the object to inject in aggregate dependency. This value is used to determine what kind of object need<a name="line.84"></a> |
| <span class="sourceLineNo">085</span> * to be injected for fields and constructor parameter for aggregate dependencies.<a name="line.85"></a> |
| <span class="sourceLineNo">086</span> * Cannot change once set.<a name="line.86"></a> |
| <span class="sourceLineNo">087</span> */<a name="line.87"></a> |
| <span class="sourceLineNo">088</span> private AggregateDependencyInjectionType m_type;<a name="line.88"></a> |
| <span class="sourceLineNo">089</span> /**<a name="line.89"></a> |
| <span class="sourceLineNo">090</span> * Nullable object.<a name="line.90"></a> |
| <span class="sourceLineNo">091</span> * Immutable once set.<a name="line.91"></a> |
| <span class="sourceLineNo">092</span> */<a name="line.92"></a> |
| <span class="sourceLineNo">093</span> private Object m_nullable;<a name="line.93"></a> |
| <span class="sourceLineNo">094</span> /**<a name="line.94"></a> |
| <span class="sourceLineNo">095</span> * Id of the dependency.<a name="line.95"></a> |
| <span class="sourceLineNo">096</span> * Immutable once set.<a name="line.96"></a> |
| <span class="sourceLineNo">097</span> */<a name="line.97"></a> |
| <span class="sourceLineNo">098</span> private String m_id;<a name="line.98"></a> |
| <span class="sourceLineNo">099</span> /**<a name="line.99"></a> |
| <span class="sourceLineNo">100</span> * Do we have to inject proxy?<a name="line.100"></a> |
| <span class="sourceLineNo">101</span> */<a name="line.101"></a> |
| <span class="sourceLineNo">102</span> private boolean m_isProxy;<a name="line.102"></a> |
| <span class="sourceLineNo">103</span> /**<a name="line.103"></a> |
| <span class="sourceLineNo">104</span> * Proxy Object.<a name="line.104"></a> |
| <span class="sourceLineNo">105</span> */<a name="line.105"></a> |
| <span class="sourceLineNo">106</span> private Object m_proxyObject;<a name="line.106"></a> |
| <span class="sourceLineNo">107</span> /**<a name="line.107"></a> |
| <span class="sourceLineNo">108</span> * Constructor parameter index.<a name="line.108"></a> |
| <span class="sourceLineNo">109</span> * -1 if not used.<a name="line.109"></a> |
| <span class="sourceLineNo">110</span> */<a name="line.110"></a> |
| <span class="sourceLineNo">111</span> private int m_index = -1;<a name="line.111"></a> |
| <span class="sourceLineNo">112</span><a name="line.112"></a> |
| <span class="sourceLineNo">113</span> /**<a name="line.113"></a> |
| <span class="sourceLineNo">114</span> * The dependency timeout.<a name="line.114"></a> |
| <span class="sourceLineNo">115</span> */<a name="line.115"></a> |
| <span class="sourceLineNo">116</span> private int m_timeout;<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> * Dependency constructor. After the creation the dependency is not started.<a name="line.119"></a> |
| <span class="sourceLineNo">120</span> *<a name="line.120"></a> |
| <span class="sourceLineNo">121</span> * @param handler : the dependency handler managing this dependency<a name="line.121"></a> |
| <span class="sourceLineNo">122</span> * @param field : field of the dependency<a name="line.122"></a> |
| <span class="sourceLineNo">123</span> * @param spec : required specification<a name="line.123"></a> |
| <span class="sourceLineNo">124</span> * @param filter : LDAP filter of the dependency<a name="line.124"></a> |
| <span class="sourceLineNo">125</span> * @param isOptional : is the dependency an optional dependency ?<a name="line.125"></a> |
| <span class="sourceLineNo">126</span> * @param isAggregate : is the dependency an aggregate dependency<a name="line.126"></a> |
| <span class="sourceLineNo">127</span> * @param nullable : describe if the nullable ability is enable or disable<a name="line.127"></a> |
| <span class="sourceLineNo">128</span> * @param isProxy : is the proxied dependency<a name="line.128"></a> |
| <span class="sourceLineNo">129</span> * @param identity : id of the dependency, may be null<a name="line.129"></a> |
| <span class="sourceLineNo">130</span> * @param context : bundle context (or service context) to use.<a name="line.130"></a> |
| <span class="sourceLineNo">131</span> * @param policy : resolution policy<a name="line.131"></a> |
| <span class="sourceLineNo">132</span> * @param cmp : comparator to sort references<a name="line.132"></a> |
| <span class="sourceLineNo">133</span> * @param defaultImplementation : default-implementation class<a name="line.133"></a> |
| <span class="sourceLineNo">134</span> */<a name="line.134"></a> |
| <span class="sourceLineNo">135</span> public Dependency(DependencyHandler handler, String field, Class spec, Filter filter, boolean isOptional,<a name="line.135"></a> |
| <span class="sourceLineNo">136</span> boolean isAggregate, boolean nullable, boolean isProxy, String identity, BundleContext context,<a name="line.136"></a> |
| <span class="sourceLineNo">137</span> int policy, Comparator cmp, String defaultImplementation, String exception) {<a name="line.137"></a> |
| <span class="sourceLineNo">138</span> super(spec, isAggregate, isOptional, filter, cmp, policy, context, handler, handler.getInstanceManager());<a name="line.138"></a> |
| <span class="sourceLineNo">139</span> m_handler = handler;<a name="line.139"></a> |
| <span class="sourceLineNo">140</span> m_field = field;<a name="line.140"></a> |
| <span class="sourceLineNo">141</span> m_isProxy = isProxy;<a name="line.141"></a> |
| <span class="sourceLineNo">142</span><a name="line.142"></a> |
| <span class="sourceLineNo">143</span> if (field != null) {<a name="line.143"></a> |
| <span class="sourceLineNo">144</span> m_usage = new ServiceUsage();<a name="line.144"></a> |
| <span class="sourceLineNo">145</span> } else {<a name="line.145"></a> |
| <span class="sourceLineNo">146</span> m_usage = null;<a name="line.146"></a> |
| <span class="sourceLineNo">147</span> }<a name="line.147"></a> |
| <span class="sourceLineNo">148</span><a name="line.148"></a> |
| <span class="sourceLineNo">149</span> m_supportNullable = nullable;<a name="line.149"></a> |
| <span class="sourceLineNo">150</span> m_di = defaultImplementation;<a name="line.150"></a> |
| <span class="sourceLineNo">151</span> m_exception = exception;<a name="line.151"></a> |
| <span class="sourceLineNo">152</span><a name="line.152"></a> |
| <span class="sourceLineNo">153</span> if (identity == null) {<a name="line.153"></a> |
| <span class="sourceLineNo">154</span> if (spec != null) {<a name="line.154"></a> |
| <span class="sourceLineNo">155</span> m_id = spec.getName();<a name="line.155"></a> |
| <span class="sourceLineNo">156</span> }<a name="line.156"></a> |
| <span class="sourceLineNo">157</span> } else {<a name="line.157"></a> |
| <span class="sourceLineNo">158</span> m_id = identity;<a name="line.158"></a> |
| <span class="sourceLineNo">159</span> }<a name="line.159"></a> |
| <span class="sourceLineNo">160</span><a name="line.160"></a> |
| <span class="sourceLineNo">161</span> // Else wait the setSpecification call.<a name="line.161"></a> |
| <span class="sourceLineNo">162</span> }<a name="line.162"></a> |
| <span class="sourceLineNo">163</span><a name="line.163"></a> |
| <span class="sourceLineNo">164</span> /**<a name="line.164"></a> |
| <span class="sourceLineNo">165</span> * Set the specification of the current dependency.<a name="line.165"></a> |
| <span class="sourceLineNo">166</span> * In order to store the id of the dependency, this<a name="line.166"></a> |
| <span class="sourceLineNo">167</span> * method is override. This method is called during the<a name="line.167"></a> |
| <span class="sourceLineNo">168</span> * configuration.<a name="line.168"></a> |
| <span class="sourceLineNo">169</span> *<a name="line.169"></a> |
| <span class="sourceLineNo">170</span> * @param spec : request service Class<a name="line.170"></a> |
| <span class="sourceLineNo">171</span> * @see org.apache.felix.ipojo.util.DependencyModel#setSpecification(java.lang.Class)<a name="line.171"></a> |
| <span class="sourceLineNo">172</span> */<a name="line.172"></a> |
| <span class="sourceLineNo">173</span> public void setSpecification(Class spec) {<a name="line.173"></a> |
| <span class="sourceLineNo">174</span> super.setSpecification(spec);<a name="line.174"></a> |
| <span class="sourceLineNo">175</span> if (m_id == null) {<a name="line.175"></a> |
| <span class="sourceLineNo">176</span> m_id = spec.getName();<a name="line.176"></a> |
| <span class="sourceLineNo">177</span> }<a name="line.177"></a> |
| <span class="sourceLineNo">178</span> }<a name="line.178"></a> |
| <span class="sourceLineNo">179</span><a name="line.179"></a> |
| <span class="sourceLineNo">180</span> public String getField() {<a name="line.180"></a> |
| <span class="sourceLineNo">181</span> return m_field;<a name="line.181"></a> |
| <span class="sourceLineNo">182</span> }<a name="line.182"></a> |
| <span class="sourceLineNo">183</span><a name="line.183"></a> |
| <span class="sourceLineNo">184</span> /**<a name="line.184"></a> |
| <span class="sourceLineNo">185</span> * Add a callback to the dependency.<a name="line.185"></a> |
| <span class="sourceLineNo">186</span> * This method is called during the configuration.<a name="line.186"></a> |
| <span class="sourceLineNo">187</span> *<a name="line.187"></a> |
| <span class="sourceLineNo">188</span> * @param callback : callback to add<a name="line.188"></a> |
| <span class="sourceLineNo">189</span> */<a name="line.189"></a> |
| <span class="sourceLineNo">190</span> protected void addDependencyCallback(DependencyCallback callback) {<a name="line.190"></a> |
| <span class="sourceLineNo">191</span> if (m_callbacks == null) {<a name="line.191"></a> |
| <span class="sourceLineNo">192</span> m_callbacks = new DependencyCallback[]{callback};<a name="line.192"></a> |
| <span class="sourceLineNo">193</span> } else {<a name="line.193"></a> |
| <span class="sourceLineNo">194</span> DependencyCallback[] newCallbacks = new DependencyCallback[m_callbacks.length + 1];<a name="line.194"></a> |
| <span class="sourceLineNo">195</span> System.arraycopy(m_callbacks, 0, newCallbacks, 0, m_callbacks.length);<a name="line.195"></a> |
| <span class="sourceLineNo">196</span> newCallbacks[m_callbacks.length] = callback;<a name="line.196"></a> |
| <span class="sourceLineNo">197</span> m_callbacks = newCallbacks;<a name="line.197"></a> |
| <span class="sourceLineNo">198</span> }<a name="line.198"></a> |
| <span class="sourceLineNo">199</span> }<a name="line.199"></a> |
| <span class="sourceLineNo">200</span><a name="line.200"></a> |
| <span class="sourceLineNo">201</span> protected void addConstructorInjection(int index) throws ConfigurationException {<a name="line.201"></a> |
| <span class="sourceLineNo">202</span> m_index = index;<a name="line.202"></a> |
| <span class="sourceLineNo">203</span> m_usage = new ServiceUsage();<a name="line.203"></a> |
| <span class="sourceLineNo">204</span> m_handler.getInstanceManager().register(index, this);<a name="line.204"></a> |
| <span class="sourceLineNo">205</span> }<a name="line.205"></a> |
| <span class="sourceLineNo">206</span><a name="line.206"></a> |
| <span class="sourceLineNo">207</span> /**<a name="line.207"></a> |
| <span class="sourceLineNo">208</span> * Stop the current dependency.<a name="line.208"></a> |
| <span class="sourceLineNo">209</span> *<a name="line.209"></a> |
| <span class="sourceLineNo">210</span> * @see org.apache.felix.ipojo.util.DependencyModel#stop()<a name="line.210"></a> |
| <span class="sourceLineNo">211</span> */<a name="line.211"></a> |
| <span class="sourceLineNo">212</span> public void stop() {<a name="line.212"></a> |
| <span class="sourceLineNo">213</span> acquireWriteLockIfNotHeld();<a name="line.213"></a> |
| <span class="sourceLineNo">214</span> m_isStarted = false;<a name="line.214"></a> |
| <span class="sourceLineNo">215</span> super.stop();<a name="line.215"></a> |
| <span class="sourceLineNo">216</span> releaseWriteLockIfHeld();<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> public DependencyHandler getHandler() {<a name="line.220"></a> |
| <span class="sourceLineNo">221</span> return m_handler;<a name="line.221"></a> |
| <span class="sourceLineNo">222</span> }<a name="line.222"></a> |
| <span class="sourceLineNo">223</span><a name="line.223"></a> |
| <span class="sourceLineNo">224</span> public boolean isFrozen() {<a name="line.224"></a> |
| <span class="sourceLineNo">225</span> try {<a name="line.225"></a> |
| <span class="sourceLineNo">226</span> acquireReadLockIfNotHeld();<a name="line.226"></a> |
| <span class="sourceLineNo">227</span> return m_isFrozen;<a name="line.227"></a> |
| <span class="sourceLineNo">228</span> } finally {<a name="line.228"></a> |
| <span class="sourceLineNo">229</span> releaseReadLockIfHeld();<a name="line.229"></a> |
| <span class="sourceLineNo">230</span> }<a name="line.230"></a> |
| <span class="sourceLineNo">231</span> }<a name="line.231"></a> |
| <span class="sourceLineNo">232</span><a name="line.232"></a> |
| <span class="sourceLineNo">233</span> /**<a name="line.233"></a> |
| <span class="sourceLineNo">234</span> * Unfreeze the dependency.<a name="line.234"></a> |
| <span class="sourceLineNo">235</span> *<a name="line.235"></a> |
| <span class="sourceLineNo">236</span> * @see org.apache.felix.ipojo.util.DependencyModel#unfreeze()<a name="line.236"></a> |
| <span class="sourceLineNo">237</span> */<a name="line.237"></a> |
| <span class="sourceLineNo">238</span> public void unfreeze() {<a name="line.238"></a> |
| <span class="sourceLineNo">239</span> try {<a name="line.239"></a> |
| <span class="sourceLineNo">240</span> acquireWriteLockIfNotHeld();<a name="line.240"></a> |
| <span class="sourceLineNo">241</span> m_isFrozen = false;<a name="line.241"></a> |
| <span class="sourceLineNo">242</span> } finally {<a name="line.242"></a> |
| <span class="sourceLineNo">243</span> releaseWriteLockIfHeld();<a name="line.243"></a> |
| <span class="sourceLineNo">244</span> }<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> /**<a name="line.247"></a> |
| <span class="sourceLineNo">248</span> * Call the bind method.<a name="line.248"></a> |
| <span class="sourceLineNo">249</span> *<a name="line.249"></a> |
| <span class="sourceLineNo">250</span> * @param pojo : pojo instance on which calling the bind method.<a name="line.250"></a> |
| <span class="sourceLineNo">251</span> */<a name="line.251"></a> |
| <span class="sourceLineNo">252</span> protected void onObjectCreation(Object pojo) {<a name="line.252"></a> |
| <span class="sourceLineNo">253</span><a name="line.253"></a> |
| <span class="sourceLineNo">254</span> ServiceReference[] refs;<a name="line.254"></a> |
| <span class="sourceLineNo">255</span> try {<a name="line.255"></a> |
| <span class="sourceLineNo">256</span> acquireWriteLockIfNotHeld();<a name="line.256"></a> |
| <span class="sourceLineNo">257</span> if (!m_isStarted) {<a name="line.257"></a> |
| <span class="sourceLineNo">258</span> return;<a name="line.258"></a> |
| <span class="sourceLineNo">259</span> }<a name="line.259"></a> |
| <span class="sourceLineNo">260</span><a name="line.260"></a> |
| <span class="sourceLineNo">261</span> // We are notified of an instance creation, we have to freeze when the static policy is used<a name="line.261"></a> |
| <span class="sourceLineNo">262</span> if (getBindingPolicy() == STATIC_BINDING_POLICY) {<a name="line.262"></a> |
| <span class="sourceLineNo">263</span> m_isFrozen = true;<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> // Check optional case : nullable object case : do not call bind on nullable object<a name="line.266"></a> |
| <span class="sourceLineNo">267</span> if (isOptional() && getSize() == 0) {<a name="line.267"></a> |
| <span class="sourceLineNo">268</span> return;<a name="line.268"></a> |
| <span class="sourceLineNo">269</span> }<a name="line.269"></a> |
| <span class="sourceLineNo">270</span><a name="line.270"></a> |
| <span class="sourceLineNo">271</span> refs = getServiceReferences(); // Stack confinement.<a name="line.271"></a> |
| <span class="sourceLineNo">272</span> } finally {<a name="line.272"></a> |
| <span class="sourceLineNo">273</span> releaseWriteLockIfHeld();<a name="line.273"></a> |
| <span class="sourceLineNo">274</span> }<a name="line.274"></a> |
| <span class="sourceLineNo">275</span><a name="line.275"></a> |
| <span class="sourceLineNo">276</span> // This is a pretty strange case, but we don't have any service.<a name="line.276"></a> |
| <span class="sourceLineNo">277</span> // This may happen during refresh.<a name="line.277"></a> |
| <span class="sourceLineNo">278</span> // So we just return.<a name="line.278"></a> |
| <span class="sourceLineNo">279</span> if (refs == null) {<a name="line.279"></a> |
| <span class="sourceLineNo">280</span> return;<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> // Call bind callback.<a name="line.283"></a> |
| <span class="sourceLineNo">284</span> for (int j = 0; m_callbacks != null && j < m_callbacks.length; j++) { // The array is constant.<a name="line.284"></a> |
| <span class="sourceLineNo">285</span> if (m_callbacks[j].getMethodType() == DependencyCallback.BIND) {<a name="line.285"></a> |
| <span class="sourceLineNo">286</span> if (isAggregate()) {<a name="line.286"></a> |
| <span class="sourceLineNo">287</span> for (ServiceReference ref : refs) {<a name="line.287"></a> |
| <span class="sourceLineNo">288</span> Object svc = getService(ref);<a name="line.288"></a> |
| <span class="sourceLineNo">289</span> if (svc != null) {<a name="line.289"></a> |
| <span class="sourceLineNo">290</span> invokeCallback(m_callbacks[j], ref, svc, pojo);<a name="line.290"></a> |
| <span class="sourceLineNo">291</span> } else {<a name="line.291"></a> |
| <span class="sourceLineNo">292</span> // The service left already, or the service object cannot be created.<a name="line.292"></a> |
| <span class="sourceLineNo">293</span> // We consider it as a departure.<a name="line.293"></a> |
| <span class="sourceLineNo">294</span> m_serviceReferenceManager.removedService(ref, null);<a name="line.294"></a> |
| <span class="sourceLineNo">295</span> }<a name="line.295"></a> |
| <span class="sourceLineNo">296</span> }<a name="line.296"></a> |
| <span class="sourceLineNo">297</span> } else {<a name="line.297"></a> |
| <span class="sourceLineNo">298</span> // Take the first reference.<a name="line.298"></a> |
| <span class="sourceLineNo">299</span> Object svc = getService(refs[0]);<a name="line.299"></a> |
| <span class="sourceLineNo">300</span> if (svc != null) {<a name="line.300"></a> |
| <span class="sourceLineNo">301</span> invokeCallback(m_callbacks[j], refs[0], svc, pojo);<a name="line.301"></a> |
| <span class="sourceLineNo">302</span> } else {<a name="line.302"></a> |
| <span class="sourceLineNo">303</span> // The service left already, or the service object cannot be created.<a name="line.303"></a> |
| <span class="sourceLineNo">304</span> // We consider it as a departure.<a name="line.304"></a> |
| <span class="sourceLineNo">305</span> m_serviceReferenceManager.removedService(refs[0], null);<a name="line.305"></a> |
| <span class="sourceLineNo">306</span> }<a name="line.306"></a> |
| <span class="sourceLineNo">307</span> }<a name="line.307"></a> |
| <span class="sourceLineNo">308</span> }<a name="line.308"></a> |
| <span class="sourceLineNo">309</span> }<a name="line.309"></a> |
| <span class="sourceLineNo">310</span> }<a name="line.310"></a> |
| <span class="sourceLineNo">311</span><a name="line.311"></a> |
| <span class="sourceLineNo">312</span> /**<a name="line.312"></a> |
| <span class="sourceLineNo">313</span> * Call unbind callback method.<a name="line.313"></a> |
| <span class="sourceLineNo">314</span> *<a name="line.314"></a> |
| <span class="sourceLineNo">315</span> * @param ref : reference to send (if accepted) to the method<a name="line.315"></a> |
| <span class="sourceLineNo">316</span> */<a name="line.316"></a> |
| <span class="sourceLineNo">317</span> private void callUnbindMethod(ServiceReference ref) {<a name="line.317"></a> |
| <span class="sourceLineNo">318</span> if (m_handler.getInstanceManager().getState() > InstanceManager.STOPPED && m_handler.getInstanceManager().getPojoObjects() != null) {<a name="line.318"></a> |
| <span class="sourceLineNo">319</span> for (int i = 0; m_callbacks != null && i < m_callbacks.length; i++) {<a name="line.319"></a> |
| <span class="sourceLineNo">320</span> if (m_callbacks[i].getMethodType() == DependencyCallback.UNBIND) {<a name="line.320"></a> |
| <span class="sourceLineNo">321</span> invokeCallback(m_callbacks[i], ref, getService(ref, false), null); // Call on each created pojo objects.<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> }<a name="line.324"></a> |
| <span class="sourceLineNo">325</span> }<a name="line.325"></a> |
| <span class="sourceLineNo">326</span><a name="line.326"></a> |
| <span class="sourceLineNo">327</span> /**<a name="line.327"></a> |
| <span class="sourceLineNo">328</span> * Helper method calling the given callback.<a name="line.328"></a> |
| <span class="sourceLineNo">329</span> *<a name="line.329"></a> |
| <span class="sourceLineNo">330</span> * @param callback : callback to call.<a name="line.330"></a> |
| <span class="sourceLineNo">331</span> * @param ref : service reference.<a name="line.331"></a> |
| <span class="sourceLineNo">332</span> * @param svcObject : the service object<a name="line.332"></a> |
| <span class="sourceLineNo">333</span> * @param pojo : pojo on which calling the callback, if null call on each created pojo objects.<a name="line.333"></a> |
| <span class="sourceLineNo">334</span> */<a name="line.334"></a> |
| <span class="sourceLineNo">335</span> private void invokeCallback(DependencyCallback callback, ServiceReference ref, Object svcObject, Object pojo) {<a name="line.335"></a> |
| <span class="sourceLineNo">336</span> try {<a name="line.336"></a> |
| <span class="sourceLineNo">337</span> if (pojo == null) {<a name="line.337"></a> |
| <span class="sourceLineNo">338</span> callback.call(ref, svcObject);<a name="line.338"></a> |
| <span class="sourceLineNo">339</span> } else {<a name="line.339"></a> |
| <span class="sourceLineNo">340</span> callback.callOnInstance(pojo, ref, svcObject);<a name="line.340"></a> |
| <span class="sourceLineNo">341</span> }<a name="line.341"></a> |
| <span class="sourceLineNo">342</span> } catch (NoSuchMethodException e) {<a name="line.342"></a> |
| <span class="sourceLineNo">343</span> m_handler.error("The method " + callback.getMethodName() + " does not exist in the implementation class " + m_handler.getInstanceManager().getClassName(), e);<a name="line.343"></a> |
| <span class="sourceLineNo">344</span> m_handler.getInstanceManager().stop();<a name="line.344"></a> |
| <span class="sourceLineNo">345</span> } catch (IllegalAccessException e) {<a name="line.345"></a> |
| <span class="sourceLineNo">346</span> m_handler.error("The method " + callback.getMethodName() + " is not accessible in the implementation class " + m_handler.getInstanceManager().getClassName(), e);<a name="line.346"></a> |
| <span class="sourceLineNo">347</span> m_handler.getInstanceManager().stop();<a name="line.347"></a> |
| <span class="sourceLineNo">348</span> } catch (InvocationTargetException e) {<a name="line.348"></a> |
| <span class="sourceLineNo">349</span> m_handler.error("The method " + callback.getMethodName() + " in the implementation class " + m_handler.getInstanceManager().getClassName() + " throws an exception : " + e.getTargetException().getMessage(), e.getTargetException());<a name="line.349"></a> |
| <span class="sourceLineNo">350</span> m_handler.getInstanceManager().stop();<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> }<a name="line.353"></a> |
| <span class="sourceLineNo">354</span><a name="line.354"></a> |
| <span class="sourceLineNo">355</span> /**<a name="line.355"></a> |
| <span class="sourceLineNo">356</span> * Call 'modify' method with the service reference in parameter (if accepted).<a name="line.356"></a> |
| <span class="sourceLineNo">357</span> *<a name="line.357"></a> |
| <span class="sourceLineNo">358</span> * @param ref : the service reference of the modified service<a name="line.358"></a> |
| <span class="sourceLineNo">359</span> */<a name="line.359"></a> |
| <span class="sourceLineNo">360</span> private void callModifyMethod(ServiceReference ref) {<a name="line.360"></a> |
| <span class="sourceLineNo">361</span> if (m_handler.getInstanceManager().getState() > InstanceManager.STOPPED && m_handler.getInstanceManager().getPojoObjects() != null) {<a name="line.361"></a> |
| <span class="sourceLineNo">362</span> for (int i = 0; m_callbacks != null && i < m_callbacks.length; i++) {<a name="line.362"></a> |
| <span class="sourceLineNo">363</span> if (m_callbacks[i].getMethodType() == DependencyCallback.MODIFIED) {<a name="line.363"></a> |
| <span class="sourceLineNo">364</span> invokeCallback(m_callbacks[i], ref, getService(ref), null); // Call on each created pojo objects.<a name="line.364"></a> |
| <span class="sourceLineNo">365</span> }<a name="line.365"></a> |
| <span class="sourceLineNo">366</span> }<a name="line.366"></a> |
| <span class="sourceLineNo">367</span> }<a name="line.367"></a> |
| <span class="sourceLineNo">368</span> }<a name="line.368"></a> |
| <span class="sourceLineNo">369</span><a name="line.369"></a> |
| <span class="sourceLineNo">370</span> /**<a name="line.370"></a> |
| <span class="sourceLineNo">371</span> * Call method with the service reference in parameter (if accepted).<a name="line.371"></a> |
| <span class="sourceLineNo">372</span> *<a name="line.372"></a> |
| <span class="sourceLineNo">373</span> * @param ref : the service reference of the new service<a name="line.373"></a> |
| <span class="sourceLineNo">374</span> */<a name="line.374"></a> |
| <span class="sourceLineNo">375</span> private void callBindMethod(ServiceReference ref) {<a name="line.375"></a> |
| <span class="sourceLineNo">376</span> // call bind method :<a name="line.376"></a> |
| <span class="sourceLineNo">377</span> // if (m_handler.getInstanceManager().getState() == InstanceManager.VALID) {<a name="line.377"></a> |
| <span class="sourceLineNo">378</span> if (m_handler.getInstanceManager().getState() > InstanceManager.STOPPED && m_handler.getInstanceManager().getPojoObjects() != null) {<a name="line.378"></a> |
| <span class="sourceLineNo">379</span> for (int i = 0; m_callbacks != null && i < m_callbacks.length; i++) {<a name="line.379"></a> |
| <span class="sourceLineNo">380</span> if (m_callbacks[i].getMethodType() == DependencyCallback.BIND) {<a name="line.380"></a> |
| <span class="sourceLineNo">381</span> Object svc = getService(ref);<a name="line.381"></a> |
| <span class="sourceLineNo">382</span> if (svc != null) {<a name="line.382"></a> |
| <span class="sourceLineNo">383</span> invokeCallback(m_callbacks[i], ref, svc, null);<a name="line.383"></a> |
| <span class="sourceLineNo">384</span> } else {<a name="line.384"></a> |
| <span class="sourceLineNo">385</span> // We can't get the service object (https://issues.apache.org/jira/browse/FELIX-3896).<a name="line.385"></a> |
| <span class="sourceLineNo">386</span> // This is probably because the service is leaving.<a name="line.386"></a> |
| <span class="sourceLineNo">387</span> // We consider it as a departure.<a name="line.387"></a> |
| <span class="sourceLineNo">388</span> m_serviceReferenceManager.removedService(ref, null);<a name="line.388"></a> |
| <span class="sourceLineNo">389</span> }<a name="line.389"></a> |
| <span class="sourceLineNo">390</span> }<a name="line.390"></a> |
| <span class="sourceLineNo">391</span> }<a name="line.391"></a> |
| <span class="sourceLineNo">392</span> }<a name="line.392"></a> |
| <span class="sourceLineNo">393</span> }<a name="line.393"></a> |
| <span class="sourceLineNo">394</span><a name="line.394"></a> |
| <span class="sourceLineNo">395</span> private RuntimeException createExceptionToThrow() {<a name="line.395"></a> |
| <span class="sourceLineNo">396</span> final String message = "No service available for " + DependencyHandler.getDependencyIdentifier(this);<a name="line.396"></a> |
| <span class="sourceLineNo">397</span> if (m_exception == null) {<a name="line.397"></a> |
| <span class="sourceLineNo">398</span> // Should never happen, but let's see.<a name="line.398"></a> |
| <span class="sourceLineNo">399</span> return new RuntimeException(message);<a name="line.399"></a> |
| <span class="sourceLineNo">400</span> }<a name="line.400"></a> |
| <span class="sourceLineNo">401</span> try {<a name="line.401"></a> |
| <span class="sourceLineNo">402</span> Class<RuntimeException> exceptionClass = (Class<RuntimeException>) getBundleContext()<a name="line.402"></a> |
| <span class="sourceLineNo">403</span> .getBundle().loadClass(m_exception);<a name="line.403"></a> |
| <span class="sourceLineNo">404</span> // Check constructor<a name="line.404"></a> |
| <span class="sourceLineNo">405</span> final Constructor<RuntimeException> constructor = exceptionClass.getConstructor(new Class[]{String.class});<a name="line.405"></a> |
| <span class="sourceLineNo">406</span> if (constructor != null) {<a name="line.406"></a> |
| <span class="sourceLineNo">407</span> return constructor.newInstance(message);<a name="line.407"></a> |
| <span class="sourceLineNo">408</span> } else {<a name="line.408"></a> |
| <span class="sourceLineNo">409</span> return exceptionClass.newInstance();<a name="line.409"></a> |
| <span class="sourceLineNo">410</span> }<a name="line.410"></a> |
| <span class="sourceLineNo">411</span> } catch (Exception e) {<a name="line.411"></a> |
| <span class="sourceLineNo">412</span> m_handler.getLogger().log(Log.ERROR, "Cannot create the exception object for dependency " +<a name="line.412"></a> |
| <span class="sourceLineNo">413</span> DependencyHandler.getDependencyIdentifier(this) + " : " + e.getMessage(), e);<a name="line.413"></a> |
| <span class="sourceLineNo">414</span> }<a name="line.414"></a> |
| <span class="sourceLineNo">415</span><a name="line.415"></a> |
| <span class="sourceLineNo">416</span> return new RuntimeException(message);<a name="line.416"></a> |
| <span class="sourceLineNo">417</span> }<a name="line.417"></a> |
| <span class="sourceLineNo">418</span><a name="line.418"></a> |
| <span class="sourceLineNo">419</span> private Object createNullableObject() {<a name="line.419"></a> |
| <span class="sourceLineNo">420</span> // To load the proxy we use the POJO class loader. Indeed, this classloader imports iPOJO (so can access to Nullable) and has<a name="line.420"></a> |
| <span class="sourceLineNo">421</span> // access to the service specification.<a name="line.421"></a> |
| <span class="sourceLineNo">422</span> try {<a name="line.422"></a> |
| <span class="sourceLineNo">423</span> ClassLoader cl = new NullableClassLoader(<a name="line.423"></a> |
| <span class="sourceLineNo">424</span> getHandler().getInstanceManager().getClazz().getClassLoader(),<a name="line.424"></a> |
| <span class="sourceLineNo">425</span> getSpecification().getClassLoader());<a name="line.425"></a> |
| <span class="sourceLineNo">426</span><a name="line.426"></a> |
| <span class="sourceLineNo">427</span> m_nullable =<a name="line.427"></a> |
| <span class="sourceLineNo">428</span> Proxy.newProxyInstance(cl, new Class[]{<a name="line.428"></a> |
| <span class="sourceLineNo">429</span> getSpecification(), Nullable.class}, new NullableObject()); // NOPMD<a name="line.429"></a> |
| <span class="sourceLineNo">430</span><a name="line.430"></a> |
| <span class="sourceLineNo">431</span> } catch (NoClassDefFoundError e) {<a name="line.431"></a> |
| <span class="sourceLineNo">432</span> // A NoClassDefFoundError is thrown if the specification uses a class not accessible by the actual instance.<a name="line.432"></a> |
| <span class="sourceLineNo">433</span> // It generally comes from a missing import.<a name="line.433"></a> |
| <span class="sourceLineNo">434</span> throw new IllegalStateException("Cannot create the Nullable object, a referenced class cannot be loaded", e);<a name="line.434"></a> |
| <span class="sourceLineNo">435</span> } catch (Throwable e) { // Catch any other exception that can occurs<a name="line.435"></a> |
| <span class="sourceLineNo">436</span> throw new IllegalStateException("Cannot create the Nullable object, an unexpected error occurs", e);<a name="line.436"></a> |
| <span class="sourceLineNo">437</span> }<a name="line.437"></a> |
| <span class="sourceLineNo">438</span><a name="line.438"></a> |
| <span class="sourceLineNo">439</span> return m_nullable;<a name="line.439"></a> |
| <span class="sourceLineNo">440</span> }<a name="line.440"></a> |
| <span class="sourceLineNo">441</span><a name="line.441"></a> |
| <span class="sourceLineNo">442</span> /**<a name="line.442"></a> |
| <span class="sourceLineNo">443</span> * Start the dependency.<a name="line.443"></a> |
| <span class="sourceLineNo">444</span> */<a name="line.444"></a> |
| <span class="sourceLineNo">445</span> public void start() {<a name="line.445"></a> |
| <span class="sourceLineNo">446</span><a name="line.446"></a> |
| <span class="sourceLineNo">447</span> if (isOptional() && !isAggregate()) {<a name="line.447"></a> |
| <span class="sourceLineNo">448</span> if (m_di == null && m_exception == null) {<a name="line.448"></a> |
| <span class="sourceLineNo">449</span> // If nullable are supported, create the nullable object.<a name="line.449"></a> |
| <span class="sourceLineNo">450</span> if (m_supportNullable) {<a name="line.450"></a> |
| <span class="sourceLineNo">451</span> createNullableObject();<a name="line.451"></a> |
| <span class="sourceLineNo">452</span> }<a name="line.452"></a> |
| <span class="sourceLineNo">453</span> } else if (m_di != null) {<a name="line.453"></a> |
| <span class="sourceLineNo">454</span> // Create the default-implementation object.<a name="line.454"></a> |
| <span class="sourceLineNo">455</span> try {<a name="line.455"></a> |
| <span class="sourceLineNo">456</span> Class clazz = getHandler().getInstanceManager().getContext().getBundle().loadClass(m_di);<a name="line.456"></a> |
| <span class="sourceLineNo">457</span> m_nullable = clazz.newInstance();<a name="line.457"></a> |
| <span class="sourceLineNo">458</span> } catch (IllegalAccessException e) {<a name="line.458"></a> |
| <span class="sourceLineNo">459</span> throw new IllegalStateException("Cannot load the default-implementation " + m_di, e);<a name="line.459"></a> |
| <span class="sourceLineNo">460</span> } catch (InstantiationException e) {<a name="line.460"></a> |
| <span class="sourceLineNo">461</span> throw new IllegalStateException("Cannot load the default-implementation " + m_di, e);<a name="line.461"></a> |
| <span class="sourceLineNo">462</span> } catch (ClassNotFoundException e) {<a name="line.462"></a> |
| <span class="sourceLineNo">463</span> throw new IllegalStateException("Cannot load the default-implementation " + m_di, e);<a name="line.463"></a> |
| <span class="sourceLineNo">464</span> } catch (Throwable e) { // Catch any other exception<a name="line.464"></a> |
| <span class="sourceLineNo">465</span> throw new IllegalStateException("Cannot load the default-implementation (unexpected exception) " + m_di, e);<a name="line.465"></a> |
| <span class="sourceLineNo">466</span> }<a name="line.466"></a> |
| <span class="sourceLineNo">467</span> }<a name="line.467"></a> |
| <span class="sourceLineNo">468</span> }<a name="line.468"></a> |
| <span class="sourceLineNo">469</span><a name="line.469"></a> |
| <span class="sourceLineNo">470</span> if (m_isProxy) {<a name="line.470"></a> |
| <span class="sourceLineNo">471</span> if (isAggregate()) {<a name="line.471"></a> |
| <span class="sourceLineNo">472</span> m_proxyObject = new ServiceCollection(this);<a name="line.472"></a> |
| <span class="sourceLineNo">473</span> } else {<a name="line.473"></a> |
| <span class="sourceLineNo">474</span> // Can we really proxy ? We can proxy only interfaces.<a name="line.474"></a> |
| <span class="sourceLineNo">475</span> if (getSpecification().isInterface()) {<a name="line.475"></a> |
| <span class="sourceLineNo">476</span> String type = getHandler().getInstanceManager().getContext().getProperty(DependencyHandler.PROXY_TYPE_PROPERTY);<a name="line.476"></a> |
| <span class="sourceLineNo">477</span><a name="line.477"></a> |
| <span class="sourceLineNo">478</span> // If it's null we should check on the System directly, Felix delegates to it,<a name="line.478"></a> |
| <span class="sourceLineNo">479</span> // but not other frameworks<a name="line.479"></a> |
| <span class="sourceLineNo">480</span> if (type == null) {<a name="line.480"></a> |
| <span class="sourceLineNo">481</span> type = System.getProperty(DependencyHandler.PROXY_TYPE_PROPERTY);<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> if (type == null || type.equals(DependencyHandler.SMART_PROXY)) {<a name="line.484"></a> |
| <span class="sourceLineNo">485</span> SmartProxyFactory proxyFactory = new SmartProxyFactory(this.getClass().getClassLoader());<a name="line.485"></a> |
| <span class="sourceLineNo">486</span> m_proxyObject = proxyFactory.getProxy(getSpecification(), this);<a name="line.486"></a> |
| <span class="sourceLineNo">487</span> } else {<a name="line.487"></a> |
| <span class="sourceLineNo">488</span> DynamicProxyFactory proxyFactory = new DynamicProxyFactory();<a name="line.488"></a> |
| <span class="sourceLineNo">489</span> m_proxyObject = proxyFactory.getProxy(getSpecification());<a name="line.489"></a> |
| <span class="sourceLineNo">490</span> }<a name="line.490"></a> |
| <span class="sourceLineNo">491</span> } else {<a name="line.491"></a> |
| <span class="sourceLineNo">492</span> m_handler.warn("Cannot create a proxy for a service dependency which is not an interface " +<a name="line.492"></a> |
| <span class="sourceLineNo">493</span> "- disabling proxy for " + getId());<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> }<a name="line.496"></a> |
| <span class="sourceLineNo">497</span><a name="line.497"></a> |
| <span class="sourceLineNo">498</span> super.start();<a name="line.498"></a> |
| <span class="sourceLineNo">499</span><a name="line.499"></a> |
| <span class="sourceLineNo">500</span> // Once the dependency is started, access to fields must be protected.<a name="line.500"></a> |
| <span class="sourceLineNo">501</span> acquireWriteLockIfNotHeld();<a name="line.501"></a> |
| <span class="sourceLineNo">502</span> if (getBindingPolicy() == STATIC_BINDING_POLICY && m_handler.getInstanceManager().getPojoObjects() != null) {<a name="line.502"></a> |
| <span class="sourceLineNo">503</span> m_isFrozen = true;<a name="line.503"></a> |
| <span class="sourceLineNo">504</span> }<a name="line.504"></a> |
| <span class="sourceLineNo">505</span> m_isStarted = true;<a name="line.505"></a> |
| <span class="sourceLineNo">506</span> releaseWriteLockIfHeld();<a name="line.506"></a> |
| <span class="sourceLineNo">507</span> }<a name="line.507"></a> |
| <span class="sourceLineNo">508</span><a name="line.508"></a> |
| <span class="sourceLineNo">509</span> protected DependencyCallback[] getCallbacks() {<a name="line.509"></a> |
| <span class="sourceLineNo">510</span> return m_callbacks;<a name="line.510"></a> |
| <span class="sourceLineNo">511</span> }<a name="line.511"></a> |
| <span class="sourceLineNo">512</span><a name="line.512"></a> |
| <span class="sourceLineNo">513</span> /**<a name="line.513"></a> |
| <span class="sourceLineNo">514</span> * Set that this dependency is a service level dependency.<a name="line.514"></a> |
| <span class="sourceLineNo">515</span> * This forces the scoping policy to be STRICT.<a name="line.515"></a> |
| <span class="sourceLineNo">516</span> */<a name="line.516"></a> |
| <span class="sourceLineNo">517</span> public void setServiceLevelDependency() {<a name="line.517"></a> |
| <span class="sourceLineNo">518</span> m_isServiceLevelRequirement = true;<a name="line.518"></a> |
| <span class="sourceLineNo">519</span> setBundleContext(new PolicyServiceContext(m_handler.getInstanceManager().getGlobalContext(), m_handler.getInstanceManager().getLocalServiceContext(), PolicyServiceContext.LOCAL));<a name="line.519"></a> |
| <span class="sourceLineNo">520</span> }<a name="line.520"></a> |
| <span class="sourceLineNo">521</span><a name="line.521"></a> |
| <span class="sourceLineNo">522</span> public String getId() {<a name="line.522"></a> |
| <span class="sourceLineNo">523</span> // No synchronization required, the id is constant.<a name="line.523"></a> |
| <span class="sourceLineNo">524</span> return m_id;<a name="line.524"></a> |
| <span class="sourceLineNo">525</span> }<a name="line.525"></a> |
| <span class="sourceLineNo">526</span><a name="line.526"></a> |
| <span class="sourceLineNo">527</span> public boolean isServiceLevelRequirement() {<a name="line.527"></a> |
| <span class="sourceLineNo">528</span> return m_isServiceLevelRequirement;<a name="line.528"></a> |
| <span class="sourceLineNo">529</span> }<a name="line.529"></a> |
| <span class="sourceLineNo">530</span><a name="line.530"></a> |
| <span class="sourceLineNo">531</span> /**<a name="line.531"></a> |
| <span class="sourceLineNo">532</span> * A new service has to be injected.<a name="line.532"></a> |
| <span class="sourceLineNo">533</span> *<a name="line.533"></a> |
| <span class="sourceLineNo">534</span> * @param reference : the new matching service reference.<a name="line.534"></a> |
| <span class="sourceLineNo">535</span> * @see org.apache.felix.ipojo.util.DependencyModel#onServiceArrival(org.osgi.framework.ServiceReference)<a name="line.535"></a> |
| <span class="sourceLineNo">536</span> */<a name="line.536"></a> |
| <span class="sourceLineNo">537</span> public void onServiceArrival(ServiceReference reference) {<a name="line.537"></a> |
| <span class="sourceLineNo">538</span> callBindMethod(reference);<a name="line.538"></a> |
| <span class="sourceLineNo">539</span> //The method is only called when a new service arrives, or when the used one is replaced.<a name="line.539"></a> |
| <span class="sourceLineNo">540</span> }<a name="line.540"></a> |
| <span class="sourceLineNo">541</span><a name="line.541"></a> |
| <span class="sourceLineNo">542</span> /**<a name="line.542"></a> |
| <span class="sourceLineNo">543</span> * An already injected service is modified.<a name="line.543"></a> |
| <span class="sourceLineNo">544</span> *<a name="line.544"></a> |
| <span class="sourceLineNo">545</span> * @param reference : the modified service reference.<a name="line.545"></a> |
| <span class="sourceLineNo">546</span> * @see org.apache.felix.ipojo.util.DependencyModel#onServiceModification(org.osgi.framework.ServiceReference)<a name="line.546"></a> |
| <span class="sourceLineNo">547</span> */<a name="line.547"></a> |
| <span class="sourceLineNo">548</span> public void onServiceModification(ServiceReference reference) {<a name="line.548"></a> |
| <span class="sourceLineNo">549</span> callModifyMethod(reference);<a name="line.549"></a> |
| <span class="sourceLineNo">550</span> }<a name="line.550"></a> |
| <span class="sourceLineNo">551</span><a name="line.551"></a> |
| <span class="sourceLineNo">552</span> /**<a name="line.552"></a> |
| <span class="sourceLineNo">553</span> * A used (already injected) service disappears.<a name="line.553"></a> |
| <span class="sourceLineNo">554</span> *<a name="line.554"></a> |
| <span class="sourceLineNo">555</span> * @param ref : leaving service reference.<a name="line.555"></a> |
| <span class="sourceLineNo">556</span> * @see org.apache.felix.ipojo.util.DependencyModel#onServiceDeparture(org.osgi.framework.ServiceReference)<a name="line.556"></a> |
| <span class="sourceLineNo">557</span> */<a name="line.557"></a> |
| <span class="sourceLineNo">558</span> public void onServiceDeparture(ServiceReference ref) {<a name="line.558"></a> |
| <span class="sourceLineNo">559</span> callUnbindMethod(ref);<a name="line.559"></a> |
| <span class="sourceLineNo">560</span> }<a name="line.560"></a> |
| <span class="sourceLineNo">561</span><a name="line.561"></a> |
| <span class="sourceLineNo">562</span> /**<a name="line.562"></a> |
| <span class="sourceLineNo">563</span> * The dependency has been reconfigured.<a name="line.563"></a> |
| <span class="sourceLineNo">564</span> * Call unbind method and then bind methods. If the dependency cache is not reset,<a name="line.564"></a> |
| <span class="sourceLineNo">565</span> * the thread continues to get older services.<a name="line.565"></a> |
| <span class="sourceLineNo">566</span> *<a name="line.566"></a> |
| <span class="sourceLineNo">567</span> * @param departs : no more matching services.<a name="line.567"></a> |
| <span class="sourceLineNo">568</span> * @param arrivals : new services<a name="line.568"></a> |
| <span class="sourceLineNo">569</span> * @see org.apache.felix.ipojo.util.DependencyModel#onDependencyReconfiguration(org.osgi.framework.ServiceReference[], org.osgi.framework.ServiceReference[])<a name="line.569"></a> |
| <span class="sourceLineNo">570</span> */<a name="line.570"></a> |
| <span class="sourceLineNo">571</span> public void onDependencyReconfiguration(ServiceReference[] departs, ServiceReference[] arrivals) {<a name="line.571"></a> |
| <span class="sourceLineNo">572</span> for (int i = 0; departs != null && i < departs.length; i++) {<a name="line.572"></a> |
| <span class="sourceLineNo">573</span> callUnbindMethod(departs[i]);<a name="line.573"></a> |
| <span class="sourceLineNo">574</span> }<a name="line.574"></a> |
| <span class="sourceLineNo">575</span><a name="line.575"></a> |
| <span class="sourceLineNo">576</span> for (int i = 0; arrivals != null && i < arrivals.length; i++) {<a name="line.576"></a> |
| <span class="sourceLineNo">577</span> callBindMethod(arrivals[i]);<a name="line.577"></a> |
| <span class="sourceLineNo">578</span> }<a name="line.578"></a> |
| <span class="sourceLineNo">579</span> }<a name="line.579"></a> |
| <span class="sourceLineNo">580</span><a name="line.580"></a> |
| <span class="sourceLineNo">581</span> /**<a name="line.581"></a> |
| <span class="sourceLineNo">582</span> * Reset the thread local cache if used.<a name="line.582"></a> |
| <span class="sourceLineNo">583</span> * For testing purpose only.<a name="line.583"></a> |
| <span class="sourceLineNo">584</span> */<a name="line.584"></a> |
| <span class="sourceLineNo">585</span> public void resetLocalCache() {<a name="line.585"></a> |
| <span class="sourceLineNo">586</span> if (m_usage != null) {<a name="line.586"></a> |
| <span class="sourceLineNo">587</span> Usage usage = (Usage) m_usage.get();<a name="line.587"></a> |
| <span class="sourceLineNo">588</span> if (usage.m_stack > 0) {<a name="line.588"></a> |
| <span class="sourceLineNo">589</span> createServiceObject(usage);<a name="line.589"></a> |
| <span class="sourceLineNo">590</span> }<a name="line.590"></a> |
| <span class="sourceLineNo">591</span> }<a name="line.591"></a> |
| <span class="sourceLineNo">592</span> }<a name="line.592"></a> |
| <span class="sourceLineNo">593</span><a name="line.593"></a> |
| <span class="sourceLineNo">594</span> /**<a name="line.594"></a> |
| <span class="sourceLineNo">595</span> * Get the used service references list.<a name="line.595"></a> |
| <span class="sourceLineNo">596</span> *<a name="line.596"></a> |
| <span class="sourceLineNo">597</span> * @return the used service reference or null if no service reference are available.<a name="line.597"></a> |
| <span class="sourceLineNo">598</span> */<a name="line.598"></a> |
| <span class="sourceLineNo">599</span> public List<ServiceReference> getServiceReferencesAsList() {<a name="line.599"></a> |
| <span class="sourceLineNo">600</span> ServiceReference[] refs = super.getServiceReferences();<a name="line.600"></a> |
| <span class="sourceLineNo">601</span> if (refs == null) {<a name="line.601"></a> |
| <span class="sourceLineNo">602</span> return null;<a name="line.602"></a> |
| <span class="sourceLineNo">603</span> } else {<a name="line.603"></a> |
| <span class="sourceLineNo">604</span> return Arrays.asList(refs);<a name="line.604"></a> |
| <span class="sourceLineNo">605</span> }<a name="line.605"></a> |
| <span class="sourceLineNo">606</span> }<a name="line.606"></a> |
| <span class="sourceLineNo">607</span><a name="line.607"></a> |
| <span class="sourceLineNo">608</span><a name="line.608"></a> |
| <span class="sourceLineNo">609</span> /**<a name="line.609"></a> |
| <span class="sourceLineNo">610</span> * Gets the list of callbacks attached to the current dependency.<a name="line.610"></a> |
| <span class="sourceLineNo">611</span> * @return the array of dependency callback, {@code null} if no callbacks are attached to the current dependency.<a name="line.611"></a> |
| <span class="sourceLineNo">612</span> */<a name="line.612"></a> |
| <span class="sourceLineNo">613</span> public DependencyCallback[] getDependencyCallbacks() {<a name="line.613"></a> |
| <span class="sourceLineNo">614</span> return m_callbacks;<a name="line.614"></a> |
| <span class="sourceLineNo">615</span> }<a name="line.615"></a> |
| <span class="sourceLineNo">616</span><a name="line.616"></a> |
| <span class="sourceLineNo">617</span><a name="line.617"></a> |
| <span class="sourceLineNo">618</span> /**<a name="line.618"></a> |
| <span class="sourceLineNo">619</span> * Called by the proxy to get service objects to delegate a method.<a name="line.619"></a> |
| <span class="sourceLineNo">620</span> * On aggregate dependencies, it returns a list.<a name="line.620"></a> |
| <span class="sourceLineNo">621</span> *<a name="line.621"></a> |
| <span class="sourceLineNo">622</span> * @return a service object or a nullable/default-implementation object.<a name="line.622"></a> |
| <span class="sourceLineNo">623</span> * For aggregate dependencies it returns a list or an empty list.<a name="line.623"></a> |
| <span class="sourceLineNo">624</span> */<a name="line.624"></a> |
| <span class="sourceLineNo">625</span> public Object getService() {<a name="line.625"></a> |
| <span class="sourceLineNo">626</span> // Check that we're in proxy mode.<a name="line.626"></a> |
| <span class="sourceLineNo">627</span> if (!m_isProxy) {<a name="line.627"></a> |
| <span class="sourceLineNo">628</span> throw new IllegalStateException("The dependency has not enabled the `proxy` mode.");<a name="line.628"></a> |
| <span class="sourceLineNo">629</span> }<a name="line.629"></a> |
| <span class="sourceLineNo">630</span><a name="line.630"></a> |
| <span class="sourceLineNo">631</span> Usage usage = (Usage) m_usage.get();<a name="line.631"></a> |
| <span class="sourceLineNo">632</span> if (usage.m_stack == 0) { // uninitialized usage.<a name="line.632"></a> |
| <span class="sourceLineNo">633</span> if (usage.m_componentStack > 0) {<a name="line.633"></a> |
| <span class="sourceLineNo">634</span> // We comes from the component who didn't touch the service.<a name="line.634"></a> |
| <span class="sourceLineNo">635</span> // So we initialize the usage.<a name="line.635"></a> |
| <span class="sourceLineNo">636</span> createServiceObject(usage);<a name="line.636"></a> |
| <span class="sourceLineNo">637</span> usage.inc(); // Start the caching, so set the stack level to 1<a name="line.637"></a> |
| <span class="sourceLineNo">638</span> m_usage.set(usage); // Required by Dalvik.<a name="line.638"></a> |
| <span class="sourceLineNo">639</span> if (isAggregate()) {<a name="line.639"></a> |
| <span class="sourceLineNo">640</span> Object obj = usage.m_object;<a name="line.640"></a> |
| <span class="sourceLineNo">641</span> if (obj instanceof Set) {<a name="line.641"></a> |
| <span class="sourceLineNo">642</span> List<Object> list = new ArrayList<Object>();<a name="line.642"></a> |
| <span class="sourceLineNo">643</span> list.addAll((Set) obj);<a name="line.643"></a> |
| <span class="sourceLineNo">644</span> return list;<a name="line.644"></a> |
| <span class="sourceLineNo">645</span> } else {<a name="line.645"></a> |
| <span class="sourceLineNo">646</span> // We already have a list<a name="line.646"></a> |
| <span class="sourceLineNo">647</span> return obj;<a name="line.647"></a> |
| <span class="sourceLineNo">648</span> }<a name="line.648"></a> |
| <span class="sourceLineNo">649</span> } else {<a name="line.649"></a> |
| <span class="sourceLineNo">650</span> return usage.m_object;<a name="line.650"></a> |
| <span class="sourceLineNo">651</span> }<a name="line.651"></a> |
| <span class="sourceLineNo">652</span> } else {<a name="line.652"></a> |
| <span class="sourceLineNo">653</span> // External access => Immediate get.<a name="line.653"></a> |
| <span class="sourceLineNo">654</span> if (isAggregate()) {<a name="line.654"></a> |
| <span class="sourceLineNo">655</span> ServiceReference[] refs = getServiceReferences();<a name="line.655"></a> |
| <span class="sourceLineNo">656</span> if (refs == null) {<a name="line.656"></a> |
| <span class="sourceLineNo">657</span> return new ArrayList(0); // Create an empty list.<a name="line.657"></a> |
| <span class="sourceLineNo">658</span> } else {<a name="line.658"></a> |
| <span class="sourceLineNo">659</span> List<Object> objs = new ArrayList<Object>(refs.length);<a name="line.659"></a> |
| <span class="sourceLineNo">660</span> for (ServiceReference ref : refs) {<a name="line.660"></a> |
| <span class="sourceLineNo">661</span> objs.add(getService(ref));<a name="line.661"></a> |
| <span class="sourceLineNo">662</span> }<a name="line.662"></a> |
| <span class="sourceLineNo">663</span> return objs;<a name="line.663"></a> |
| <span class="sourceLineNo">664</span> }<a name="line.664"></a> |
| <span class="sourceLineNo">665</span> } else { // Scalar dependency.<a name="line.665"></a> |
| <span class="sourceLineNo">666</span> ServiceReference ref = getServiceReference();<a name="line.666"></a> |
| <span class="sourceLineNo">667</span> if (ref != null) {<a name="line.667"></a> |
| <span class="sourceLineNo">668</span> return getService(ref);<a name="line.668"></a> |
| <span class="sourceLineNo">669</span> } else {<a name="line.669"></a> |
| <span class="sourceLineNo">670</span> // No service available.<a name="line.670"></a> |
| <span class="sourceLineNo">671</span> // TODO Decide what we have to do.<a name="line.671"></a> |
| <span class="sourceLineNo">672</span> throw new RuntimeException("Service " + getSpecification() + " unavailable");<a name="line.672"></a> |
| <span class="sourceLineNo">673</span> }<a name="line.673"></a> |
| <span class="sourceLineNo">674</span> }<a name="line.674"></a> |
| <span class="sourceLineNo">675</span> }<a name="line.675"></a> |
| <span class="sourceLineNo">676</span> } else {<a name="line.676"></a> |
| <span class="sourceLineNo">677</span> // Use the copy.<a name="line.677"></a> |
| <span class="sourceLineNo">678</span> // if the copy is a set, transform to a list<a name="line.678"></a> |
| <span class="sourceLineNo">679</span> if (isAggregate()) {<a name="line.679"></a> |
| <span class="sourceLineNo">680</span> Object obj = usage.m_object;<a name="line.680"></a> |
| <span class="sourceLineNo">681</span> if (obj instanceof Set) {<a name="line.681"></a> |
| <span class="sourceLineNo">682</span> List<Object> list = new ArrayList<Object>();<a name="line.682"></a> |
| <span class="sourceLineNo">683</span> list.addAll((Set) obj);<a name="line.683"></a> |
| <span class="sourceLineNo">684</span> return list;<a name="line.684"></a> |
| <span class="sourceLineNo">685</span> } else {<a name="line.685"></a> |
| <span class="sourceLineNo">686</span> // We already have a list<a name="line.686"></a> |
| <span class="sourceLineNo">687</span> return obj;<a name="line.687"></a> |
| <span class="sourceLineNo">688</span> }<a name="line.688"></a> |
| <span class="sourceLineNo">689</span> } else {<a name="line.689"></a> |
| <span class="sourceLineNo">690</span> return usage.m_object;<a name="line.690"></a> |
| <span class="sourceLineNo">691</span> }<a name="line.691"></a> |
| <span class="sourceLineNo">692</span><a name="line.692"></a> |
| <span class="sourceLineNo">693</span> }<a name="line.693"></a> |
| <span class="sourceLineNo">694</span> }<a name="line.694"></a> |
| <span class="sourceLineNo">695</span><a name="line.695"></a> |
| <span class="sourceLineNo">696</span> /**<a name="line.696"></a> |
| <span class="sourceLineNo">697</span> * This method is called by the replaced code in the component<a name="line.697"></a> |
| <span class="sourceLineNo">698</span> * implementation class. Construct the service object list is necessary.<a name="line.698"></a> |
| <span class="sourceLineNo">699</span> *<a name="line.699"></a> |
| <span class="sourceLineNo">700</span> * @param pojo : POJO object.<a name="line.700"></a> |
| <span class="sourceLineNo">701</span> * @param fieldName : field<a name="line.701"></a> |
| <span class="sourceLineNo">702</span> * @param value : last value.<a name="line.702"></a> |
| <span class="sourceLineNo">703</span> * @return the service object or a nullable / default implementation if defined.<a name="line.703"></a> |
| <span class="sourceLineNo">704</span> * @see org.apache.felix.ipojo.FieldInterceptor#onGet(java.lang.Object, java.lang.String, java.lang.Object)<a name="line.704"></a> |
| <span class="sourceLineNo">705</span> */<a name="line.705"></a> |
| <span class="sourceLineNo">706</span> public Object onGet(Object pojo, String fieldName, Object value) {<a name="line.706"></a> |
| <span class="sourceLineNo">707</span><a name="line.707"></a> |
| <span class="sourceLineNo">708</span> // Initialize the thread local object is not already touched.<a name="line.708"></a> |
| <span class="sourceLineNo">709</span> Usage usage = m_usage.get();<a name="line.709"></a> |
| <span class="sourceLineNo">710</span> if (usage.m_stack == 0) { // uninitialized usage.<a name="line.710"></a> |
| <span class="sourceLineNo">711</span> createServiceObject(usage);<a name="line.711"></a> |
| <span class="sourceLineNo">712</span> usage.inc(); // Start the caching, so set the stack level to 1<a name="line.712"></a> |
| <span class="sourceLineNo">713</span> m_usage.set(usage); // Required by Dalvik<a name="line.713"></a> |
| <span class="sourceLineNo">714</span> }<a name="line.714"></a> |
| <span class="sourceLineNo">715</span> if (!m_isProxy) {<a name="line.715"></a> |
| <span class="sourceLineNo">716</span> return usage.m_object;<a name="line.716"></a> |
| <span class="sourceLineNo">717</span> } else {<a name="line.717"></a> |
| <span class="sourceLineNo">718</span> return m_proxyObject;<a name="line.718"></a> |
| <span class="sourceLineNo">719</span> }<a name="line.719"></a> |
| <span class="sourceLineNo">720</span><a name="line.720"></a> |
| <span class="sourceLineNo">721</span> }<a name="line.721"></a> |
| <span class="sourceLineNo">722</span><a name="line.722"></a> |
| <span class="sourceLineNo">723</span> /**<a name="line.723"></a> |
| <span class="sourceLineNo">724</span> * Creates the object to store in the given Thread Local.<a name="line.724"></a> |
| <span class="sourceLineNo">725</span> * This object will be injected inside the POJO field.<a name="line.725"></a> |
| <span class="sourceLineNo">726</span> *<a name="line.726"></a> |
| <span class="sourceLineNo">727</span> * @param usage : Thread Local to populate.<a name="line.727"></a> |
| <span class="sourceLineNo">728</span> */<a name="line.728"></a> |
| <span class="sourceLineNo">729</span> private void createServiceObject(Usage usage) {<a name="line.729"></a> |
| <span class="sourceLineNo">730</span> ServiceReference[] refs = getServiceReferences();<a name="line.730"></a> |
| <span class="sourceLineNo">731</span><a name="line.731"></a> |
| <span class="sourceLineNo">732</span> // manage timeout<a name="line.732"></a> |
| <span class="sourceLineNo">733</span> if (refs == null) {<a name="line.733"></a> |
| <span class="sourceLineNo">734</span> waitForServiceUntilTimeout();<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> refs = getServiceReferences();<a name="line.737"></a> |
| <span class="sourceLineNo">738</span><a name="line.738"></a> |
| <span class="sourceLineNo">739</span> if (!isAggregate()) {<a name="line.739"></a> |
| <span class="sourceLineNo">740</span> if (refs == null) {<a name="line.740"></a> |
| <span class="sourceLineNo">741</span> if (m_exception != null) {<a name="line.741"></a> |
| <span class="sourceLineNo">742</span> // Throw the exception.<a name="line.742"></a> |
| <span class="sourceLineNo">743</span> throw createExceptionToThrow();<a name="line.743"></a> |
| <span class="sourceLineNo">744</span> }<a name="line.744"></a> |
| <span class="sourceLineNo">745</span><a name="line.745"></a> |
| <span class="sourceLineNo">746</span> if (m_nullable == null && m_supportNullable) {<a name="line.746"></a> |
| <span class="sourceLineNo">747</span> m_handler.warn("[" + m_handler.getInstanceManager().getInstanceName() + "] The dependency is not optional, however no service object can be injected in " + m_field + " -> " + getSpecification().getName());<a name="line.747"></a> |
| <span class="sourceLineNo">748</span> createNullableObject();<a name="line.748"></a> |
| <span class="sourceLineNo">749</span> }<a name="line.749"></a> |
| <span class="sourceLineNo">750</span> usage.m_object = m_nullable; // Add null if the Nullable pattern is disabled.<a name="line.750"></a> |
| <span class="sourceLineNo">751</span> } else {<a name="line.751"></a> |
| <span class="sourceLineNo">752</span> ServiceReference ref = getServiceReference();<a name="line.752"></a> |
| <span class="sourceLineNo">753</span> usage.m_object = getService(ref);<a name="line.753"></a> |
| <span class="sourceLineNo">754</span> }<a name="line.754"></a> |
| <span class="sourceLineNo">755</span> } else {<a name="line.755"></a> |
| <span class="sourceLineNo">756</span> switch(m_type) {<a name="line.756"></a> |
| <span class="sourceLineNo">757</span> case ARRAY:<a name="line.757"></a> |
| <span class="sourceLineNo">758</span> try {<a name="line.758"></a> |
| <span class="sourceLineNo">759</span> if (refs == null) {<a name="line.759"></a> |
| <span class="sourceLineNo">760</span> usage.m_object = (Object[]) Array.newInstance(getSpecification(), 0); // Create an empty array.<a name="line.760"></a> |
| <span class="sourceLineNo">761</span> } else {<a name="line.761"></a> |
| <span class="sourceLineNo">762</span> // Use a reflective construction to avoid class cast exception. This method allows setting the component type.<a name="line.762"></a> |
| <span class="sourceLineNo">763</span> Object[] objs = (Object[]) Array.newInstance(getSpecification(), refs.length);<a name="line.763"></a> |
| <span class="sourceLineNo">764</span> for (int i = 0; i < refs.length; i++) {<a name="line.764"></a> |
| <span class="sourceLineNo">765</span> ServiceReference ref = refs[i];<a name="line.765"></a> |
| <span class="sourceLineNo">766</span> objs[i] = getService(ref);<a name="line.766"></a> |
| <span class="sourceLineNo">767</span> }<a name="line.767"></a> |
| <span class="sourceLineNo">768</span> usage.m_object = objs;<a name="line.768"></a> |
| <span class="sourceLineNo">769</span> }<a name="line.769"></a> |
| <span class="sourceLineNo">770</span> } catch (ArrayStoreException e) {<a name="line.770"></a> |
| <span class="sourceLineNo">771</span> throw new RuntimeException("Cannot create the array - Check that the bundle can access the service interface", e);<a name="line.771"></a> |
| <span class="sourceLineNo">772</span> }<a name="line.772"></a> |
| <span class="sourceLineNo">773</span> break;<a name="line.773"></a> |
| <span class="sourceLineNo">774</span> case LIST:<a name="line.774"></a> |
| <span class="sourceLineNo">775</span> if (refs == null) {<a name="line.775"></a> |
| <span class="sourceLineNo">776</span> usage.m_object = Collections.emptyList();<a name="line.776"></a> |
| <span class="sourceLineNo">777</span> } else {<a name="line.777"></a> |
| <span class="sourceLineNo">778</span> // Use a list to store service objects<a name="line.778"></a> |
| <span class="sourceLineNo">779</span> List<Object> objs = new ArrayList<Object>(refs.length);<a name="line.779"></a> |
| <span class="sourceLineNo">780</span> for (ServiceReference ref : refs) {<a name="line.780"></a> |
| <span class="sourceLineNo">781</span> objs.add(getService(ref));<a name="line.781"></a> |
| <span class="sourceLineNo">782</span> }<a name="line.782"></a> |
| <span class="sourceLineNo">783</span> usage.m_object = objs;<a name="line.783"></a> |
| <span class="sourceLineNo">784</span> }<a name="line.784"></a> |
| <span class="sourceLineNo">785</span> break;<a name="line.785"></a> |
| <span class="sourceLineNo">786</span> case SET:<a name="line.786"></a> |
| <span class="sourceLineNo">787</span> if (refs == null) {<a name="line.787"></a> |
| <span class="sourceLineNo">788</span> usage.m_object = Collections.emptySet();<a name="line.788"></a> |
| <span class="sourceLineNo">789</span> } else {<a name="line.789"></a> |
| <span class="sourceLineNo">790</span> // Use a vector to store service objects<a name="line.790"></a> |
| <span class="sourceLineNo">791</span> Set<Object> objs = new HashSet<Object>(refs.length);<a name="line.791"></a> |
| <span class="sourceLineNo">792</span> for (ServiceReference ref : refs) {<a name="line.792"></a> |
| <span class="sourceLineNo">793</span> objs.add(getService(ref));<a name="line.793"></a> |
| <span class="sourceLineNo">794</span> }<a name="line.794"></a> |
| <span class="sourceLineNo">795</span> usage.m_object = objs;<a name="line.795"></a> |
| <span class="sourceLineNo">796</span> }<a name="line.796"></a> |
| <span class="sourceLineNo">797</span> break;<a name="line.797"></a> |
| <span class="sourceLineNo">798</span> case VECTOR:<a name="line.798"></a> |
| <span class="sourceLineNo">799</span> if (refs == null) {<a name="line.799"></a> |
| <span class="sourceLineNo">800</span> usage.m_object = new Vector(0); // Create an empty vector.<a name="line.800"></a> |
| <span class="sourceLineNo">801</span> } else {<a name="line.801"></a> |
| <span class="sourceLineNo">802</span> // Use a vector to store service objects<a name="line.802"></a> |
| <span class="sourceLineNo">803</span> Vector<Object> objs = new Vector<Object>(refs.length);<a name="line.803"></a> |
| <span class="sourceLineNo">804</span> for (ServiceReference ref : refs) {<a name="line.804"></a> |
| <span class="sourceLineNo">805</span> objs.add(getService(ref));<a name="line.805"></a> |
| <span class="sourceLineNo">806</span> }<a name="line.806"></a> |
| <span class="sourceLineNo">807</span> usage.m_object = objs;<a name="line.807"></a> |
| <span class="sourceLineNo">808</span> }<a name="line.808"></a> |
| <span class="sourceLineNo">809</span> break;<a name="line.809"></a> |
| <span class="sourceLineNo">810</span> }<a name="line.810"></a> |
| <span class="sourceLineNo">811</span> }<a name="line.811"></a> |
| <span class="sourceLineNo">812</span> }<a name="line.812"></a> |
| <span class="sourceLineNo">813</span><a name="line.813"></a> |
| <span class="sourceLineNo">814</span> /**<a name="line.814"></a> |
| <span class="sourceLineNo">815</span> * Waits a service providers. The wait stops when the timeout is reached.<a name="line.815"></a> |
| <span class="sourceLineNo">816</span> */<a name="line.816"></a> |
| <span class="sourceLineNo">817</span> private void waitForServiceUntilTimeout() {<a name="line.817"></a> |
| <span class="sourceLineNo">818</span> // Begin to wait ...<a name="line.818"></a> |
| <span class="sourceLineNo">819</span> long enter = System.currentTimeMillis();<a name="line.819"></a> |
| <span class="sourceLineNo">820</span> boolean exhausted = false;<a name="line.820"></a> |
| <span class="sourceLineNo">821</span><a name="line.821"></a> |
| <span class="sourceLineNo">822</span> // We used a synchronized block here because we must hold the monitor lock during the 'wait'<a name="line.822"></a> |
| <span class="sourceLineNo">823</span> synchronized (this) {<a name="line.823"></a> |
| <span class="sourceLineNo">824</span> while (getServiceReference() == null && !exhausted) {<a name="line.824"></a> |
| <span class="sourceLineNo">825</span> try {<a name="line.825"></a> |
| <span class="sourceLineNo">826</span> wait(1);<a name="line.826"></a> |
| <span class="sourceLineNo">827</span> } catch (InterruptedException e) {<a name="line.827"></a> |
| <span class="sourceLineNo">828</span> // We was interrupted ....<a name="line.828"></a> |
| <span class="sourceLineNo">829</span> } finally {<a name="line.829"></a> |
| <span class="sourceLineNo">830</span> long end = System.currentTimeMillis();<a name="line.830"></a> |
| <span class="sourceLineNo">831</span> exhausted = (end - enter) > m_timeout;<a name="line.831"></a> |
| <span class="sourceLineNo">832</span> }<a name="line.832"></a> |
| <span class="sourceLineNo">833</span> }<a name="line.833"></a> |
| <span class="sourceLineNo">834</span> }<a name="line.834"></a> |
| <span class="sourceLineNo">835</span> // When this method exit, the check will be done...<a name="line.835"></a> |
| <span class="sourceLineNo">836</span> }<a name="line.836"></a> |
| <span class="sourceLineNo">837</span><a name="line.837"></a> |
| <span class="sourceLineNo">838</span> /**<a name="line.838"></a> |
| <span class="sourceLineNo">839</span> * The field was set.<a name="line.839"></a> |
| <span class="sourceLineNo">840</span> * This method should not be call if the POJO is written correctly.<a name="line.840"></a> |
| <span class="sourceLineNo">841</span> *<a name="line.841"></a> |
| <span class="sourceLineNo">842</span> * @param pojo : POJO object<a name="line.842"></a> |
| <span class="sourceLineNo">843</span> * @param fieldName : field name<a name="line.843"></a> |
| <span class="sourceLineNo">844</span> * @param value : set value.<a name="line.844"></a> |
| <span class="sourceLineNo">845</span> * @see org.apache.felix.ipojo.FieldInterceptor#onSet(java.lang.Object, java.lang.String, java.lang.Object)<a name="line.845"></a> |
| <span class="sourceLineNo">846</span> */<a name="line.846"></a> |
| <span class="sourceLineNo">847</span> public void onSet(Object pojo, String fieldName, Object value) {<a name="line.847"></a> |
| <span class="sourceLineNo">848</span> // Nothing to do.<a name="line.848"></a> |
| <span class="sourceLineNo">849</span> }<a name="line.849"></a> |
| <span class="sourceLineNo">850</span><a name="line.850"></a> |
| <span class="sourceLineNo">851</span> /**<a name="line.851"></a> |
| <span class="sourceLineNo">852</span> * A POJO method will be invoked.<a name="line.852"></a> |
| <span class="sourceLineNo">853</span> *<a name="line.853"></a> |
| <span class="sourceLineNo">854</span> * @param pojo : Pojo object<a name="line.854"></a> |
| <span class="sourceLineNo">855</span> * @param method : called method<a name="line.855"></a> |
| <span class="sourceLineNo">856</span> * @param args : arguments<a name="line.856"></a> |
| <span class="sourceLineNo">857</span> * @see org.apache.felix.ipojo.MethodInterceptor#onEntry(java.lang.Object, java.lang.reflect.Member, java.lang.Object[])<a name="line.857"></a> |
| <span class="sourceLineNo">858</span> */<a name="line.858"></a> |
| <span class="sourceLineNo">859</span> public void onEntry(Object pojo, Member method, Object[] args) {<a name="line.859"></a> |
| <span class="sourceLineNo">860</span> if (m_usage != null) {<a name="line.860"></a> |
| <span class="sourceLineNo">861</span> Usage usage = m_usage.get();<a name="line.861"></a> |
| <span class="sourceLineNo">862</span> usage.incComponentStack(); // Increment the number of component access.<a name="line.862"></a> |
| <span class="sourceLineNo">863</span> if (usage.m_stack > 0) {<a name="line.863"></a> |
| <span class="sourceLineNo">864</span> usage.inc();<a name="line.864"></a> |
| <span class="sourceLineNo">865</span> m_usage.set(usage); // Set the Thread local as value has been modified<a name="line.865"></a> |
| <span class="sourceLineNo">866</span> }<a name="line.866"></a> |
| <span class="sourceLineNo">867</span> }<a name="line.867"></a> |
| <span class="sourceLineNo">868</span> }<a name="line.868"></a> |
| <span class="sourceLineNo">869</span><a name="line.869"></a> |
| <span class="sourceLineNo">870</span> /**<a name="line.870"></a> |
| <span class="sourceLineNo">871</span> * A POJO method has thrown an error.<a name="line.871"></a> |
| <span class="sourceLineNo">872</span> * This method does nothing and wait for the finally.<a name="line.872"></a> |
| <span class="sourceLineNo">873</span> *<a name="line.873"></a> |
| <span class="sourceLineNo">874</span> * @param pojo : POJO object.<a name="line.874"></a> |
| <span class="sourceLineNo">875</span> * @param method : Method object.<a name="line.875"></a> |
| <span class="sourceLineNo">876</span> * @param throwable : thrown error<a name="line.876"></a> |
| <span class="sourceLineNo">877</span> * @see org.apache.felix.ipojo.MethodInterceptor#onError(java.lang.Object, java.lang.reflect.Member, java.lang.Throwable)<a name="line.877"></a> |
| <span class="sourceLineNo">878</span> */<a name="line.878"></a> |
| <span class="sourceLineNo">879</span> public void onError(Object pojo, Member method, Throwable throwable) {<a name="line.879"></a> |
| <span class="sourceLineNo">880</span> // Nothing to do : wait onFinally<a name="line.880"></a> |
| <span class="sourceLineNo">881</span> }<a name="line.881"></a> |
| <span class="sourceLineNo">882</span><a name="line.882"></a> |
| <span class="sourceLineNo">883</span> /**<a name="line.883"></a> |
| <span class="sourceLineNo">884</span> * A POJO method has returned.<a name="line.884"></a> |
| <span class="sourceLineNo">885</span> *<a name="line.885"></a> |
| <span class="sourceLineNo">886</span> * @param pojo : POJO object.<a name="line.886"></a> |
| <span class="sourceLineNo">887</span> * @param method : Method object.<a name="line.887"></a> |
| <span class="sourceLineNo">888</span> * @param returnedObj : returned object (null for void method)<a name="line.888"></a> |
| <span class="sourceLineNo">889</span> * @see org.apache.felix.ipojo.MethodInterceptor#onExit(java.lang.Object, java.lang.reflect.Member, java.lang.Object)<a name="line.889"></a> |
| <span class="sourceLineNo">890</span> */<a name="line.890"></a> |
| <span class="sourceLineNo">891</span> public void onExit(Object pojo, Member method, Object returnedObj) {<a name="line.891"></a> |
| <span class="sourceLineNo">892</span> // Nothing to do : wait onFinally<a name="line.892"></a> |
| <span class="sourceLineNo">893</span> }<a name="line.893"></a> |
| <span class="sourceLineNo">894</span><a name="line.894"></a> |
| <span class="sourceLineNo">895</span> /**<a name="line.895"></a> |
| <span class="sourceLineNo">896</span> * A POJO method is finished.<a name="line.896"></a> |
| <span class="sourceLineNo">897</span> *<a name="line.897"></a> |
| <span class="sourceLineNo">898</span> * @param pojo : POJO object.<a name="line.898"></a> |
| <span class="sourceLineNo">899</span> * @param method : Method object.<a name="line.899"></a> |
| <span class="sourceLineNo">900</span> * @see org.apache.felix.ipojo.MethodInterceptor#onFinally(java.lang.Object, java.lang.reflect.Member)<a name="line.900"></a> |
| <span class="sourceLineNo">901</span> */<a name="line.901"></a> |
| <span class="sourceLineNo">902</span> public void onFinally(Object pojo, Member method) {<a name="line.902"></a> |
| <span class="sourceLineNo">903</span> if (m_usage != null) {<a name="line.903"></a> |
| <span class="sourceLineNo">904</span> Usage usage = m_usage.get();<a name="line.904"></a> |
| <span class="sourceLineNo">905</span> usage.decComponentStack();<a name="line.905"></a> |
| <span class="sourceLineNo">906</span> if (usage.m_stack > 0) {<a name="line.906"></a> |
| <span class="sourceLineNo">907</span> if (usage.dec()) {<a name="line.907"></a> |
| <span class="sourceLineNo">908</span> // Exit the method flow => Release all objects<a name="line.908"></a> |
| <span class="sourceLineNo">909</span> usage.clear();<a name="line.909"></a> |
| <span class="sourceLineNo">910</span> // Also remove the thread local object.<a name="line.910"></a> |
| <span class="sourceLineNo">911</span> m_usage.remove();<a name="line.911"></a> |
| <span class="sourceLineNo">912</span> }<a name="line.912"></a> |
| <span class="sourceLineNo">913</span> }<a name="line.913"></a> |
| <span class="sourceLineNo">914</span> }<a name="line.914"></a> |
| <span class="sourceLineNo">915</span> }<a name="line.915"></a> |
| <span class="sourceLineNo">916</span><a name="line.916"></a> |
| <span class="sourceLineNo">917</span> /**<a name="line.917"></a> |
| <span class="sourceLineNo">918</span> * Gets true if the dependency use Nullable objects.<a name="line.918"></a> |
| <span class="sourceLineNo">919</span> *<a name="line.919"></a> |
| <span class="sourceLineNo">920</span> * @return true if the dependency is optional and supports nullable objects.<a name="line.920"></a> |
| <span class="sourceLineNo">921</span> */<a name="line.921"></a> |
| <span class="sourceLineNo">922</span> public boolean supportsNullable() {<a name="line.922"></a> |
| <span class="sourceLineNo">923</span> return isOptional()<a name="line.923"></a> |
| <span class="sourceLineNo">924</span> && ! isAggregate()<a name="line.924"></a> |
| <span class="sourceLineNo">925</span> && m_supportNullable;<a name="line.925"></a> |
| <span class="sourceLineNo">926</span> }<a name="line.926"></a> |
| <span class="sourceLineNo">927</span><a name="line.927"></a> |
| <span class="sourceLineNo">928</span> public String getDefaultImplementation() {<a name="line.928"></a> |
| <span class="sourceLineNo">929</span> return m_di;<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> public boolean isProxy() {<a name="line.932"></a> |
| <span class="sourceLineNo">933</span> return m_isProxy;<a name="line.933"></a> |
| <span class="sourceLineNo">934</span> }<a name="line.934"></a> |
| <span class="sourceLineNo">935</span><a name="line.935"></a> |
| <span class="sourceLineNo">936</span> public void setProxy(boolean proxy) {<a name="line.936"></a> |
| <span class="sourceLineNo">937</span> m_isProxy = proxy;<a name="line.937"></a> |
| <span class="sourceLineNo">938</span> }<a name="line.938"></a> |
| <span class="sourceLineNo">939</span><a name="line.939"></a> |
| <span class="sourceLineNo">940</span> /**<a name="line.940"></a> |
| <span class="sourceLineNo">941</span> * Set the type to inject.<a name="line.941"></a> |
| <span class="sourceLineNo">942</span> * This method set the dependency as aggregate.<a name="line.942"></a> |
| <span class="sourceLineNo">943</span> *<a name="line.943"></a> |
| <span class="sourceLineNo">944</span> * @param type the type to inject.<a name="line.944"></a> |
| <span class="sourceLineNo">945</span> */<a name="line.945"></a> |
| <span class="sourceLineNo">946</span> protected void setAggregateType(AggregateDependencyInjectionType type) {<a name="line.946"></a> |
| <span class="sourceLineNo">947</span> setAggregate(true);<a name="line.947"></a> |
| <span class="sourceLineNo">948</span> m_type = type;<a name="line.948"></a> |
| <span class="sourceLineNo">949</span> }<a name="line.949"></a> |
| <span class="sourceLineNo">950</span><a name="line.950"></a> |
| <span class="sourceLineNo">951</span> /**<a name="line.951"></a> |
| <span class="sourceLineNo">952</span> * Sets the dependency timeout.<a name="line.952"></a> |
| <span class="sourceLineNo">953</span> *<a name="line.953"></a> |
| <span class="sourceLineNo">954</span> * @param timeout the timeout in ms.<a name="line.954"></a> |
| <span class="sourceLineNo">955</span> */<a name="line.955"></a> |
| <span class="sourceLineNo">956</span> public void setTimeout(int timeout) {<a name="line.956"></a> |
| <span class="sourceLineNo">957</span> m_timeout = timeout;<a name="line.957"></a> |
| <span class="sourceLineNo">958</span> }<a name="line.958"></a> |
| <span class="sourceLineNo">959</span><a name="line.959"></a> |
| <span class="sourceLineNo">960</span> /**<a name="line.960"></a> |
| <span class="sourceLineNo">961</span> * Gets the constructor parameter.<a name="line.961"></a> |
| <span class="sourceLineNo">962</span> *<a name="line.962"></a> |
| <span class="sourceLineNo">963</span> * @return the index of the constructor parameter,<a name="line.963"></a> |
| <span class="sourceLineNo">964</span> * or <code>-1</code> if not set.<a name="line.964"></a> |
| <span class="sourceLineNo">965</span> */<a name="line.965"></a> |
| <span class="sourceLineNo">966</span> public int getConstructorParameterIndex() {<a name="line.966"></a> |
| <span class="sourceLineNo">967</span> return m_index;<a name="line.967"></a> |
| <span class="sourceLineNo">968</span> }<a name="line.968"></a> |
| <span class="sourceLineNo">969</span><a name="line.969"></a> |
| <span class="sourceLineNo">970</span> /**<a name="line.970"></a> |
| <span class="sourceLineNo">971</span> * Gets the object to inject in the constructor parameter.<a name="line.971"></a> |
| <span class="sourceLineNo">972</span> *<a name="line.972"></a> |
| <span class="sourceLineNo">973</span> * @param index the index of the parameter<a name="line.973"></a> |
| <span class="sourceLineNo">974</span> * @return the created proxy object<a name="line.974"></a> |
| <span class="sourceLineNo">975</span> * @see org.apache.felix.ipojo.ConstructorInjector#getConstructorParameter(int)<a name="line.975"></a> |
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| <span class="sourceLineNo">977</span> public Object getConstructorParameter(int index) {<a name="line.977"></a> |
| <span class="sourceLineNo">978</span> if (m_index == index && m_proxyObject != null) {<a name="line.978"></a> |
| <span class="sourceLineNo">979</span> return m_proxyObject;<a name="line.979"></a> |
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| <span class="sourceLineNo">982</span> }<a name="line.982"></a> |
| <span class="sourceLineNo">983</span><a name="line.983"></a> |
| <span class="sourceLineNo">984</span> /**<a name="line.984"></a> |
| <span class="sourceLineNo">985</span> * Gets the type of the constructor parameter.<a name="line.985"></a> |
| <span class="sourceLineNo">986</span> *<a name="line.986"></a> |
| <span class="sourceLineNo">987</span> * @param index the parameter index<a name="line.987"></a> |
| <span class="sourceLineNo">988</span> * @return the class of the object. For scalar dependency, it's the<a name="line.988"></a> |
| <span class="sourceLineNo">989</span> * specification, for aggregate it depends of the container object:<a name="line.989"></a> |
| <span class="sourceLineNo">990</span> * {@link List} or {@link Set}.<a name="line.990"></a> |
| <span class="sourceLineNo">991</span> * @see org.apache.felix.ipojo.ConstructorInjector#getConstructorParameterType(int)<a name="line.991"></a> |
| <span class="sourceLineNo">992</span> */<a name="line.992"></a> |
| <span class="sourceLineNo">993</span> public Class getConstructorParameterType(int index) {<a name="line.993"></a> |
| <span class="sourceLineNo">994</span> if (m_index == index && m_proxyObject != null) {<a name="line.994"></a> |
| <span class="sourceLineNo">995</span> if (isAggregate()) {<a name="line.995"></a> |
| <span class="sourceLineNo">996</span> switch (m_type) {<a name="line.996"></a> |
| <span class="sourceLineNo">997</span> case LIST:<a name="line.997"></a> |
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| <span class="sourceLineNo">999</span> case SET:<a name="line.999"></a> |
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| <span class="sourceLineNo">1010</span> }<a name="line.1010"></a> |
| <span class="sourceLineNo">1011</span><a name="line.1011"></a> |
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| <span class="sourceLineNo">1015</span><a name="line.1015"></a> |
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| <span class="sourceLineNo">1019</span><a name="line.1019"></a> |
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| <span class="sourceLineNo">1023</span><a name="line.1023"></a> |
| <span class="sourceLineNo">1024</span> /**<a name="line.1024"></a> |
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| <span class="sourceLineNo">1037</span> /**<a name="line.1037"></a> |
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| <span class="sourceLineNo">1050</span> * This method uses the classloader of the component class<a name="line.1050"></a> |
| <span class="sourceLineNo">1051</span> * and (if not found) the specification classloader.<a name="line.1051"></a> |
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| <span class="sourceLineNo">1074</span> /**<a name="line.1074"></a> |
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| <span class="sourceLineNo">1079</span> /**<a name="line.1079"></a> |
| <span class="sourceLineNo">1080</span> * Creates the proxy classloader.<a name="line.1080"></a> |
| <span class="sourceLineNo">1081</span> *<a name="line.1081"></a> |
| <span class="sourceLineNo">1082</span> * @param parent the handler classloader.<a name="line.1082"></a> |
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| <span class="sourceLineNo">1084</span> public SmartProxyFactory(ClassLoader parent) {<a name="line.1084"></a> |
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| <span class="sourceLineNo">1086</span> m_handlerCL = parent;<a name="line.1086"></a> |
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| <span class="sourceLineNo">1088</span><a name="line.1088"></a> |
| <span class="sourceLineNo">1089</span> /**<a name="line.1089"></a> |
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| <span class="sourceLineNo">1091</span> *<a name="line.1091"></a> |
| <span class="sourceLineNo">1092</span> * @param clazz the service specification to proxy<a name="line.1092"></a> |
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| <span class="sourceLineNo">1094</span> */<a name="line.1094"></a> |
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| <span class="sourceLineNo">1096</span> byte[] clz = ProxyGenerator.dumpProxy(clazz); // Generate the proxy.<a name="line.1096"></a> |
| <span class="sourceLineNo">1097</span> // Turn around the VM changes (FELIX-2716) about java.* classes.<a name="line.1097"></a> |
| <span class="sourceLineNo">1098</span> String cn = clazz.getName();<a name="line.1098"></a> |
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| <span class="sourceLineNo">1100</span> cn = "$" + cn;<a name="line.1100"></a> |
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| <span class="sourceLineNo">1102</span> return defineClass(cn + "$$Proxy", clz, 0, clz.length);<a name="line.1102"></a> |
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| <span class="sourceLineNo">1104</span><a name="line.1104"></a> |
| <span class="sourceLineNo">1105</span> /**<a name="line.1105"></a> |
| <span class="sourceLineNo">1106</span> * Create a proxy object for the given specification. The proxy<a name="line.1106"></a> |
| <span class="sourceLineNo">1107</span> * uses the given dependency to get the service object.<a name="line.1107"></a> |
| <span class="sourceLineNo">1108</span> *<a name="line.1108"></a> |
| <span class="sourceLineNo">1109</span> * @param spec the service specification (interface)<a name="line.1109"></a> |
| <span class="sourceLineNo">1110</span> * @param dep the dependency used to get the service<a name="line.1110"></a> |
| <span class="sourceLineNo">1111</span> * @return the proxy object.<a name="line.1111"></a> |
| <span class="sourceLineNo">1112</span> */<a name="line.1112"></a> |
| <span class="sourceLineNo">1113</span> public Object getProxy(Class spec, Dependency dep) {<a name="line.1113"></a> |
| <span class="sourceLineNo">1114</span> try {<a name="line.1114"></a> |
| <span class="sourceLineNo">1115</span> Class clazz = getProxyClass(getSpecification());<a name="line.1115"></a> |
| <span class="sourceLineNo">1116</span> Constructor constructor = clazz.getConstructor(<a name="line.1116"></a> |
| <span class="sourceLineNo">1117</span> new Class[]{clazz.getClassLoader().loadClass(Dependency.class.getName())});<a name="line.1117"></a> |
| <span class="sourceLineNo">1118</span> return constructor.newInstance(new Object[]{dep});<a name="line.1118"></a> |
| <span class="sourceLineNo">1119</span> } catch (Throwable e) {<a name="line.1119"></a> |
| <span class="sourceLineNo">1120</span> m_handler.error("Cannot create the proxy object", e);<a name="line.1120"></a> |
| <span class="sourceLineNo">1121</span> m_handler.getInstanceManager().stop();<a name="line.1121"></a> |
| <span class="sourceLineNo">1122</span> return null;<a name="line.1122"></a> |
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| <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> /**<a name="line.1126"></a> |
| <span class="sourceLineNo">1127</span> * Loads the given class.<a name="line.1127"></a> |
| <span class="sourceLineNo">1128</span> * This method uses the classloader of the specification class<a name="line.1128"></a> |
| <span class="sourceLineNo">1129</span> * or the handler class loader.<a name="line.1129"></a> |
| <span class="sourceLineNo">1130</span> *<a name="line.1130"></a> |
| <span class="sourceLineNo">1131</span> * @param name the class name<a name="line.1131"></a> |
| <span class="sourceLineNo">1132</span> * @return the class object<a name="line.1132"></a> |
| <span class="sourceLineNo">1133</span> * @throws ClassNotFoundException if the class is not found by the two classloaders.<a name="line.1133"></a> |
| <span class="sourceLineNo">1134</span> * @see java.lang.ClassLoader#loadClass(java.lang.String)<a name="line.1134"></a> |
| <span class="sourceLineNo">1135</span> */<a name="line.1135"></a> |
| <span class="sourceLineNo">1136</span> public Class loadClass(String name) throws ClassNotFoundException {<a name="line.1136"></a> |
| <span class="sourceLineNo">1137</span> try {<a name="line.1137"></a> |
| <span class="sourceLineNo">1138</span> return getHandler().getInstanceManager().getContext().getBundle().loadClass(name);<a name="line.1138"></a> |
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| <span class="sourceLineNo">1140</span> return m_handlerCL.loadClass(name);<a name="line.1140"></a> |
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| <span class="sourceLineNo">1142</span> }<a name="line.1142"></a> |
| <span class="sourceLineNo">1143</span> }<a name="line.1143"></a> |
| <span class="sourceLineNo">1144</span><a name="line.1144"></a> |
| <span class="sourceLineNo">1145</span> /**<a name="line.1145"></a> |
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| <span class="sourceLineNo">1147</span> */<a name="line.1147"></a> |
| <span class="sourceLineNo">1148</span> private class DynamicProxyFactory implements InvocationHandler {<a name="line.1148"></a> |
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| <span class="sourceLineNo">1150</span> /**<a name="line.1150"></a> |
| <span class="sourceLineNo">1151</span> * HashCode method.<a name="line.1151"></a> |
| <span class="sourceLineNo">1152</span> */<a name="line.1152"></a> |
| <span class="sourceLineNo">1153</span> private Method m_hashCodeMethod;<a name="line.1153"></a> |
| <span class="sourceLineNo">1154</span> /**<a name="line.1154"></a> |
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| <span class="sourceLineNo">1156</span> */<a name="line.1156"></a> |
| <span class="sourceLineNo">1157</span> private Method m_equalsMethod;<a name="line.1157"></a> |
| <span class="sourceLineNo">1158</span> /**<a name="line.1158"></a> |
| <span class="sourceLineNo">1159</span> * toStirng method.<a name="line.1159"></a> |
| <span class="sourceLineNo">1160</span> */<a name="line.1160"></a> |
| <span class="sourceLineNo">1161</span> private Method m_toStringMethod;<a name="line.1161"></a> |
| <span class="sourceLineNo">1162</span><a name="line.1162"></a> |
| <span class="sourceLineNo">1163</span> /**<a name="line.1163"></a> |
| <span class="sourceLineNo">1164</span> * Creates a DynamicProxyFactory.<a name="line.1164"></a> |
| <span class="sourceLineNo">1165</span> */<a name="line.1165"></a> |
| <span class="sourceLineNo">1166</span> public DynamicProxyFactory() {<a name="line.1166"></a> |
| <span class="sourceLineNo">1167</span> try {<a name="line.1167"></a> |
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| <span class="sourceLineNo">1169</span> m_equalsMethod = Object.class<a name="line.1169"></a> |
| <span class="sourceLineNo">1170</span> .getMethod("equals", new Class[]{Object.class});<a name="line.1170"></a> |
| <span class="sourceLineNo">1171</span> m_toStringMethod = Object.class.getMethod("toString", null);<a name="line.1171"></a> |
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| <span class="sourceLineNo">1173</span> throw new NoSuchMethodError(e.getMessage());<a name="line.1173"></a> |
| <span class="sourceLineNo">1174</span> }<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> * Creates a proxy object for the given specification. The proxy<a name="line.1178"></a> |
| <span class="sourceLineNo">1179</span> * uses the given dependency to get the service object.<a name="line.1179"></a> |
| <span class="sourceLineNo">1180</span> *<a name="line.1180"></a> |
| <span class="sourceLineNo">1181</span> * @param spec the service specification (interface)<a name="line.1181"></a> |
| <span class="sourceLineNo">1182</span> * @return the proxy object.<a name="line.1182"></a> |
| <span class="sourceLineNo">1183</span> */<a name="line.1183"></a> |
| <span class="sourceLineNo">1184</span> public Object getProxy(Class spec) {<a name="line.1184"></a> |
| <span class="sourceLineNo">1185</span> return java.lang.reflect.Proxy.newProxyInstance(<a name="line.1185"></a> |
| <span class="sourceLineNo">1186</span> getHandler().getInstanceManager().getClazz().getClassLoader(),<a name="line.1186"></a> |
| <span class="sourceLineNo">1187</span> new Class[]{spec},<a name="line.1187"></a> |
| <span class="sourceLineNo">1188</span> this);<a name="line.1188"></a> |
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| <span class="sourceLineNo">1190</span><a name="line.1190"></a> |
| <span class="sourceLineNo">1191</span> /**<a name="line.1191"></a> |
| <span class="sourceLineNo">1192</span> * Invocation Handler delegating invocation on the<a name="line.1192"></a> |
| <span class="sourceLineNo">1193</span> * service object.<a name="line.1193"></a> |
| <span class="sourceLineNo">1194</span> *<a name="line.1194"></a> |
| <span class="sourceLineNo">1195</span> * @param proxy the proxy object<a name="line.1195"></a> |
| <span class="sourceLineNo">1196</span> * @param method the method<a name="line.1196"></a> |
| <span class="sourceLineNo">1197</span> * @param args the arguments<a name="line.1197"></a> |
| <span class="sourceLineNo">1198</span> * @return a proxy object.<a name="line.1198"></a> |
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| <span class="sourceLineNo">1202</span> public Object invoke(Object proxy, Method method, Object[] args) throws Exception {<a name="line.1202"></a> |
| <span class="sourceLineNo">1203</span> Object svc = getService();<a name="line.1203"></a> |
| <span class="sourceLineNo">1204</span> Class declaringClass = method.getDeclaringClass();<a name="line.1204"></a> |
| <span class="sourceLineNo">1205</span> if (declaringClass == Object.class) {<a name="line.1205"></a> |
| <span class="sourceLineNo">1206</span> if (method.equals(m_hashCodeMethod)) {<a name="line.1206"></a> |
| <span class="sourceLineNo">1207</span> return this.hashCode();<a name="line.1207"></a> |
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| <span class="sourceLineNo">1211</span> return this.toString();<a name="line.1211"></a> |
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| <span class="sourceLineNo">1213</span> throw new InternalError(<a name="line.1213"></a> |
| <span class="sourceLineNo">1214</span> "Unexpected Object method dispatched: " + method);<a name="line.1214"></a> |
| <span class="sourceLineNo">1215</span> }<a name="line.1215"></a> |
| <span class="sourceLineNo">1216</span> }<a name="line.1216"></a> |
| <span class="sourceLineNo">1217</span><a name="line.1217"></a> |
| <span class="sourceLineNo">1218</span> return method.invoke(svc, args);<a name="line.1218"></a> |
| <span class="sourceLineNo">1219</span> }<a name="line.1219"></a> |
| <span class="sourceLineNo">1220</span><a name="line.1220"></a> |
| <span class="sourceLineNo">1221</span> }<a name="line.1221"></a> |
| <span class="sourceLineNo">1222</span><a name="line.1222"></a> |
| <span class="sourceLineNo">1223</span>}<a name="line.1223"></a> |
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| </pre> |
| </div> |
| </body> |
| </html> |
