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| <pre><span class="sourceLineNo">001</span>/*<a name="line.1"></a> |
| <span class="sourceLineNo">002</span> * Licensed to the Apache Software Foundation (ASF) under one<a name="line.2"></a> |
| <span class="sourceLineNo">003</span> * or more contributor license agreements. See the NOTICE file<a name="line.3"></a> |
| <span class="sourceLineNo">004</span> * distributed with this work for additional information<a name="line.4"></a> |
| <span class="sourceLineNo">005</span> * regarding copyright ownership. The ASF licenses this file<a name="line.5"></a> |
| <span class="sourceLineNo">006</span> * to you under the Apache License, Version 2.0 (the<a name="line.6"></a> |
| <span class="sourceLineNo">007</span> * "License"); you may not use this file except in compliance<a name="line.7"></a> |
| <span class="sourceLineNo">008</span> * with the License. You may obtain a copy of the License at<a name="line.8"></a> |
| <span class="sourceLineNo">009</span> *<a name="line.9"></a> |
| <span class="sourceLineNo">010</span> * http://www.apache.org/licenses/LICENSE-2.0<a name="line.10"></a> |
| <span class="sourceLineNo">011</span> *<a name="line.11"></a> |
| <span class="sourceLineNo">012</span> * Unless required by applicable law or agreed to in writing,<a name="line.12"></a> |
| <span class="sourceLineNo">013</span> * software distributed under the License is distributed on an<a name="line.13"></a> |
| <span class="sourceLineNo">014</span> * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY<a name="line.14"></a> |
| <span class="sourceLineNo">015</span> * KIND, either express or implied. See the License for the<a name="line.15"></a> |
| <span class="sourceLineNo">016</span> * specific language governing permissions and limitations<a name="line.16"></a> |
| <span class="sourceLineNo">017</span> * under the License.<a name="line.17"></a> |
| <span class="sourceLineNo">018</span> */<a name="line.18"></a> |
| <span class="sourceLineNo">019</span>package org.apache.felix.ipojo.handlers.providedservice;<a name="line.19"></a> |
| <span class="sourceLineNo">020</span><a name="line.20"></a> |
| <span class="sourceLineNo">021</span>import java.lang.reflect.Field;<a name="line.21"></a> |
| <span class="sourceLineNo">022</span>import java.util.*;<a name="line.22"></a> |
| <span class="sourceLineNo">023</span><a name="line.23"></a> |
| <span class="sourceLineNo">024</span>import org.apache.felix.ipojo.ConfigurationException;<a name="line.24"></a> |
| <span class="sourceLineNo">025</span>import org.apache.felix.ipojo.HandlerFactory;<a name="line.25"></a> |
| <span class="sourceLineNo">026</span>import org.apache.felix.ipojo.InstanceManager;<a name="line.26"></a> |
| <span class="sourceLineNo">027</span>import org.apache.felix.ipojo.Pojo;<a name="line.27"></a> |
| <span class="sourceLineNo">028</span>import org.apache.felix.ipojo.PrimitiveHandler;<a name="line.28"></a> |
| <span class="sourceLineNo">029</span>import org.apache.felix.ipojo.architecture.ComponentTypeDescription;<a name="line.29"></a> |
| <span class="sourceLineNo">030</span>import org.apache.felix.ipojo.architecture.HandlerDescription;<a name="line.30"></a> |
| <span class="sourceLineNo">031</span>import org.apache.felix.ipojo.architecture.PropertyDescription;<a name="line.31"></a> |
| <span class="sourceLineNo">032</span>import org.apache.felix.ipojo.handlers.dependency.Dependency;<a name="line.32"></a> |
| <span class="sourceLineNo">033</span>import org.apache.felix.ipojo.handlers.dependency.DependencyHandler;<a name="line.33"></a> |
| <span class="sourceLineNo">034</span>import org.apache.felix.ipojo.handlers.providedservice.ProvidedService.ServiceController;<a name="line.34"></a> |
| <span class="sourceLineNo">035</span>import org.apache.felix.ipojo.metadata.Attribute;<a name="line.35"></a> |
| <span class="sourceLineNo">036</span>import org.apache.felix.ipojo.metadata.Element;<a name="line.36"></a> |
| <span class="sourceLineNo">037</span>import org.apache.felix.ipojo.parser.FieldMetadata;<a name="line.37"></a> |
| <span class="sourceLineNo">038</span>import org.apache.felix.ipojo.parser.ManifestMetadataParser;<a name="line.38"></a> |
| <span class="sourceLineNo">039</span>import org.apache.felix.ipojo.parser.ParseException;<a name="line.39"></a> |
| <span class="sourceLineNo">040</span>import org.apache.felix.ipojo.parser.ParseUtils;<a name="line.40"></a> |
| <span class="sourceLineNo">041</span>import org.apache.felix.ipojo.parser.PojoMetadata;<a name="line.41"></a> |
| <span class="sourceLineNo">042</span>import org.apache.felix.ipojo.util.Callback;<a name="line.42"></a> |
| <span class="sourceLineNo">043</span>import org.apache.felix.ipojo.util.Logger;<a name="line.43"></a> |
| <span class="sourceLineNo">044</span>import org.apache.felix.ipojo.util.Property;<a name="line.44"></a> |
| <span class="sourceLineNo">045</span>import org.osgi.framework.Bundle;<a name="line.45"></a> |
| <span class="sourceLineNo">046</span>import org.osgi.framework.ServiceReference;<a name="line.46"></a> |
| <span class="sourceLineNo">047</span><a name="line.47"></a> |
| <span class="sourceLineNo">048</span>/**<a name="line.48"></a> |
| <span class="sourceLineNo">049</span> * Composite Provided Service Handler.<a name="line.49"></a> |
| <span class="sourceLineNo">050</span> * This handler manage the service providing for a composition.<a name="line.50"></a> |
| <span class="sourceLineNo">051</span> * @author <a href="mailto:dev@felix.apache.org">Felix Project Team</a><a name="line.51"></a> |
| <span class="sourceLineNo">052</span> */<a name="line.52"></a> |
| <span class="sourceLineNo">053</span>public class ProvidedServiceHandler extends PrimitiveHandler {<a name="line.53"></a> |
| <span class="sourceLineNo">054</span><a name="line.54"></a> |
| <span class="sourceLineNo">055</span> /**<a name="line.55"></a> |
| <span class="sourceLineNo">056</span> * The list of the provided service.<a name="line.56"></a> |
| <span class="sourceLineNo">057</span> */<a name="line.57"></a> |
| <span class="sourceLineNo">058</span> private Set<ProvidedService> m_providedServices = new LinkedHashSet<ProvidedService>();<a name="line.58"></a> |
| <span class="sourceLineNo">059</span><a name="line.59"></a> |
| <span class="sourceLineNo">060</span> /**<a name="line.60"></a> |
| <span class="sourceLineNo">061</span> * The handler description.<a name="line.61"></a> |
| <span class="sourceLineNo">062</span> */<a name="line.62"></a> |
| <span class="sourceLineNo">063</span> private ProvidedServiceHandlerDescription m_description;<a name="line.63"></a> |
| <span class="sourceLineNo">064</span><a name="line.64"></a> |
| <span class="sourceLineNo">065</span> /**<a name="line.65"></a> |
| <span class="sourceLineNo">066</span> * Get the array of provided service.<a name="line.66"></a> |
| <span class="sourceLineNo">067</span> * @return the list of the provided service.<a name="line.67"></a> |
| <span class="sourceLineNo">068</span> */<a name="line.68"></a> |
| <span class="sourceLineNo">069</span> public ProvidedService[] getProvidedServices() {<a name="line.69"></a> |
| <span class="sourceLineNo">070</span> return m_providedServices.toArray(new ProvidedService[m_providedServices.size()]);<a name="line.70"></a> |
| <span class="sourceLineNo">071</span> }<a name="line.71"></a> |
| <span class="sourceLineNo">072</span><a name="line.72"></a> |
| <span class="sourceLineNo">073</span> /**<a name="line.73"></a> |
| <span class="sourceLineNo">074</span> * Configure the handler.<a name="line.74"></a> |
| <span class="sourceLineNo">075</span> * @param componentMetadata : the component type metadata<a name="line.75"></a> |
| <span class="sourceLineNo">076</span> * @param configuration : the instance configuration<a name="line.76"></a> |
| <span class="sourceLineNo">077</span> * @throws ConfigurationException : the metadata are not correct.<a name="line.77"></a> |
| <span class="sourceLineNo">078</span> * @see org.apache.felix.ipojo.Handler#configure(org.apache.felix.ipojo.metadata.Element, java.util.Dictionary)<a name="line.78"></a> |
| <span class="sourceLineNo">079</span> */<a name="line.79"></a> |
| <span class="sourceLineNo">080</span> public void configure(Element componentMetadata, Dictionary configuration) throws ConfigurationException {<a name="line.80"></a> |
| <span class="sourceLineNo">081</span> m_providedServices.clear();<a name="line.81"></a> |
| <span class="sourceLineNo">082</span> // Create the dependency according to the component metadata<a name="line.82"></a> |
| <span class="sourceLineNo">083</span> Element[] providedServices = componentMetadata.getElements("Provides");<a name="line.83"></a> |
| <span class="sourceLineNo">084</span> for (Element providedService : providedServices) {<a name="line.84"></a> |
| <span class="sourceLineNo">085</span> String[] serviceSpecifications = ParseUtils.parseArrays(providedService.getAttribute("specifications")); // Set by the initialize component factory.<a name="line.85"></a> |
| <span class="sourceLineNo">086</span><a name="line.86"></a> |
| <span class="sourceLineNo">087</span> // Get the factory policy<a name="line.87"></a> |
| <span class="sourceLineNo">088</span> int factory = ProvidedService.SINGLETON_STRATEGY;<a name="line.88"></a> |
| <span class="sourceLineNo">089</span> Class custom = null;<a name="line.89"></a> |
| <span class="sourceLineNo">090</span> String strategy = providedService.getAttribute("strategy");<a name="line.90"></a> |
| <span class="sourceLineNo">091</span> if (strategy == null) {<a name="line.91"></a> |
| <span class="sourceLineNo">092</span> strategy = providedService.getAttribute("factory");<a name="line.92"></a> |
| <span class="sourceLineNo">093</span> }<a name="line.93"></a> |
| <span class="sourceLineNo">094</span> if (strategy != null) {<a name="line.94"></a> |
| <span class="sourceLineNo">095</span> if ("singleton".equalsIgnoreCase(strategy)) {<a name="line.95"></a> |
| <span class="sourceLineNo">096</span> factory = ProvidedService.SINGLETON_STRATEGY;<a name="line.96"></a> |
| <span class="sourceLineNo">097</span> } else if ("service".equalsIgnoreCase(strategy)) {<a name="line.97"></a> |
| <span class="sourceLineNo">098</span> factory = ProvidedService.SERVICE_STRATEGY;<a name="line.98"></a> |
| <span class="sourceLineNo">099</span> } else if ("method".equalsIgnoreCase(strategy)) {<a name="line.99"></a> |
| <span class="sourceLineNo">100</span> factory = ProvidedService.STATIC_STRATEGY;<a name="line.100"></a> |
| <span class="sourceLineNo">101</span> } else if ("instance".equalsIgnoreCase(strategy)) {<a name="line.101"></a> |
| <span class="sourceLineNo">102</span> factory = ProvidedService.INSTANCE_STRATEGY;<a name="line.102"></a> |
| <span class="sourceLineNo">103</span> } else {<a name="line.103"></a> |
| <span class="sourceLineNo">104</span> // Customized policy<a name="line.104"></a> |
| <span class="sourceLineNo">105</span> try {<a name="line.105"></a> |
| <span class="sourceLineNo">106</span> custom = getInstanceManager().getContext().getBundle().loadClass(strategy);<a name="line.106"></a> |
| <span class="sourceLineNo">107</span> if (!CreationStrategy.class.isAssignableFrom(custom)) {<a name="line.107"></a> |
| <span class="sourceLineNo">108</span> throw new ConfigurationException("The custom creation policy class " + custom.getName() + " does not implement " + CreationStrategy.class.getName());<a name="line.108"></a> |
| <span class="sourceLineNo">109</span> }<a name="line.109"></a> |
| <span class="sourceLineNo">110</span> } catch (ClassNotFoundException e) {<a name="line.110"></a> |
| <span class="sourceLineNo">111</span> throw new ConfigurationException("The custom creation policy class " + strategy + " cannot be loaded ", e);<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><a name="line.114"></a> |
| <span class="sourceLineNo">115</span> }<a name="line.115"></a> |
| <span class="sourceLineNo">116</span> }<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> // Then create the provided service<a name="line.119"></a> |
| <span class="sourceLineNo">120</span> ProvidedService svc = new ProvidedService(this, serviceSpecifications, factory, custom, configuration);<a name="line.120"></a> |
| <span class="sourceLineNo">121</span><a name="line.121"></a> |
| <span class="sourceLineNo">122</span> // Post-Registration callback<a name="line.122"></a> |
| <span class="sourceLineNo">123</span> String post = providedService.getAttribute("post-registration");<a name="line.123"></a> |
| <span class="sourceLineNo">124</span> if (post != null) {<a name="line.124"></a> |
| <span class="sourceLineNo">125</span> Callback cb = new Callback(post, new Class[]{ServiceReference.class}, false, getInstanceManager());<a name="line.125"></a> |
| <span class="sourceLineNo">126</span> svc.setPostRegistrationCallback(cb);<a name="line.126"></a> |
| <span class="sourceLineNo">127</span> }<a name="line.127"></a> |
| <span class="sourceLineNo">128</span><a name="line.128"></a> |
| <span class="sourceLineNo">129</span> post = providedService.getAttribute("post-unregistration");<a name="line.129"></a> |
| <span class="sourceLineNo">130</span> if (post != null) {<a name="line.130"></a> |
| <span class="sourceLineNo">131</span> // TODO Can we really send the service reference here ?<a name="line.131"></a> |
| <span class="sourceLineNo">132</span> Callback cb = new Callback(post, new Class[]{ServiceReference.class}, false, getInstanceManager());<a name="line.132"></a> |
| <span class="sourceLineNo">133</span> svc.setPostUnregistrationCallback(cb);<a name="line.133"></a> |
| <span class="sourceLineNo">134</span> }<a name="line.134"></a> |
| <span class="sourceLineNo">135</span><a name="line.135"></a> |
| <span class="sourceLineNo">136</span> Element[] props = providedService.getElements("Property");<a name="line.136"></a> |
| <span class="sourceLineNo">137</span> if (props != null) {<a name="line.137"></a> |
| <span class="sourceLineNo">138</span> //Property[] properties = new Property[props.length];<a name="line.138"></a> |
| <span class="sourceLineNo">139</span> Property[] properties = new Property[props.length];<a name="line.139"></a> |
| <span class="sourceLineNo">140</span> for (int j = 0; j < props.length; j++) {<a name="line.140"></a> |
| <span class="sourceLineNo">141</span> String name = props[j].getAttribute("name");<a name="line.141"></a> |
| <span class="sourceLineNo">142</span> String value = props[j].getAttribute("value");<a name="line.142"></a> |
| <span class="sourceLineNo">143</span> String type = props[j].getAttribute("type");<a name="line.143"></a> |
| <span class="sourceLineNo">144</span> String field = props[j].getAttribute("field");<a name="line.144"></a> |
| <span class="sourceLineNo">145</span><a name="line.145"></a> |
| <span class="sourceLineNo">146</span> Property prop = new Property(name, field, null, value, type, getInstanceManager(), this);<a name="line.146"></a> |
| <span class="sourceLineNo">147</span> properties[j] = prop;<a name="line.147"></a> |
| <span class="sourceLineNo">148</span><a name="line.148"></a> |
| <span class="sourceLineNo">149</span> // Check if the instance configuration has a value for this property<a name="line.149"></a> |
| <span class="sourceLineNo">150</span> Object object = configuration.get(prop.getName());<a name="line.150"></a> |
| <span class="sourceLineNo">151</span> if (object != null) {<a name="line.151"></a> |
| <span class="sourceLineNo">152</span> prop.setValue(object);<a name="line.152"></a> |
| <span class="sourceLineNo">153</span> }<a name="line.153"></a> |
| <span class="sourceLineNo">154</span><a name="line.154"></a> |
| <span class="sourceLineNo">155</span> if (field != null) {<a name="line.155"></a> |
| <span class="sourceLineNo">156</span> getInstanceManager().register(new FieldMetadata(field, type), this);<a name="line.156"></a> |
| <span class="sourceLineNo">157</span> // Cannot register the property as the interception is necessary<a name="line.157"></a> |
| <span class="sourceLineNo">158</span> // to deal with registration update.<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><a name="line.161"></a> |
| <span class="sourceLineNo">162</span> // Attach to properties to the provided service<a name="line.162"></a> |
| <span class="sourceLineNo">163</span> svc.setProperties(properties);<a name="line.163"></a> |
| <span class="sourceLineNo">164</span> }<a name="line.164"></a> |
| <span class="sourceLineNo">165</span><a name="line.165"></a> |
| <span class="sourceLineNo">166</span> Element[] controllers = providedService.getElements("Controller");<a name="line.166"></a> |
| <span class="sourceLineNo">167</span> if (controllers != null) {<a name="line.167"></a> |
| <span class="sourceLineNo">168</span> for (Element controller : controllers) {<a name="line.168"></a> |
| <span class="sourceLineNo">169</span> String field = controller.getAttribute("field");<a name="line.169"></a> |
| <span class="sourceLineNo">170</span> if (field == null) {<a name="line.170"></a> |
| <span class="sourceLineNo">171</span> throw new ConfigurationException("The field attribute of a controller is mandatory");<a name="line.171"></a> |
| <span class="sourceLineNo">172</span> }<a name="line.172"></a> |
| <span class="sourceLineNo">173</span><a name="line.173"></a> |
| <span class="sourceLineNo">174</span> String v = controller.getAttribute("value");<a name="line.174"></a> |
| <span class="sourceLineNo">175</span> boolean value = !(v != null && v.equalsIgnoreCase("false"));<a name="line.175"></a> |
| <span class="sourceLineNo">176</span> String s = controller.getAttribute("specification");<a name="line.176"></a> |
| <span class="sourceLineNo">177</span> if (s == null) {<a name="line.177"></a> |
| <span class="sourceLineNo">178</span> s = "ALL";<a name="line.178"></a> |
| <span class="sourceLineNo">179</span> }<a name="line.179"></a> |
| <span class="sourceLineNo">180</span> svc.setController(field, value, s);<a name="line.180"></a> |
| <span class="sourceLineNo">181</span><a name="line.181"></a> |
| <span class="sourceLineNo">182</span> getInstanceManager().register(new FieldMetadata(field, "boolean"), this);<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><a name="line.185"></a> |
| <span class="sourceLineNo">186</span> if (checkProvidedService(svc)) {<a name="line.186"></a> |
| <span class="sourceLineNo">187</span> m_providedServices.add(svc);<a name="line.187"></a> |
| <span class="sourceLineNo">188</span> } else {<a name="line.188"></a> |
| <span class="sourceLineNo">189</span> StringBuilder itfs = new StringBuilder();<a name="line.189"></a> |
| <span class="sourceLineNo">190</span> for (String serviceSpecification : serviceSpecifications) {<a name="line.190"></a> |
| <span class="sourceLineNo">191</span> itfs.append(' ');<a name="line.191"></a> |
| <span class="sourceLineNo">192</span> itfs.append(serviceSpecification);<a name="line.192"></a> |
| <span class="sourceLineNo">193</span> }<a name="line.193"></a> |
| <span class="sourceLineNo">194</span> throw new ConfigurationException("The provided service" + itfs + " is not valid");<a name="line.194"></a> |
| <span class="sourceLineNo">195</span> }<a name="line.195"></a> |
| <span class="sourceLineNo">196</span><a name="line.196"></a> |
| <span class="sourceLineNo">197</span> // Initialize the description.<a name="line.197"></a> |
| <span class="sourceLineNo">198</span> m_description = new ProvidedServiceHandlerDescription(this, getProvidedServices());<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> }<a name="line.201"></a> |
| <span class="sourceLineNo">202</span><a name="line.202"></a> |
| <span class="sourceLineNo">203</span> /**<a name="line.203"></a> |
| <span class="sourceLineNo">204</span> * Collect interfaces implemented by the POJO.<a name="line.204"></a> |
| <span class="sourceLineNo">205</span> * @param specs : implemented interfaces.<a name="line.205"></a> |
| <span class="sourceLineNo">206</span> * @param parent : parent class.<a name="line.206"></a> |
| <span class="sourceLineNo">207</span> * @param bundle : Bundle object.<a name="line.207"></a> |
| <span class="sourceLineNo">208</span> * @param interfaces : the set of implemented interfaces<a name="line.208"></a> |
| <span class="sourceLineNo">209</span> * @param classes : the set of extended classes<a name="line.209"></a> |
| <span class="sourceLineNo">210</span> * @throws ClassNotFoundException : occurs when an interface cannot be loaded.<a name="line.210"></a> |
| <span class="sourceLineNo">211</span> */<a name="line.211"></a> |
| <span class="sourceLineNo">212</span> private void computeInterfacesAndSuperClasses(String[] specs, String parent, Bundle bundle,<a name="line.212"></a> |
| <span class="sourceLineNo">213</span> Set<String> interfaces,<a name="line.213"></a> |
| <span class="sourceLineNo">214</span> Set<String> classes) throws ClassNotFoundException {<a name="line.214"></a> |
| <span class="sourceLineNo">215</span> // First iterate on found specification in manipulation metadata<a name="line.215"></a> |
| <span class="sourceLineNo">216</span> for (String spec : specs) {<a name="line.216"></a> |
| <span class="sourceLineNo">217</span> interfaces.add(spec);<a name="line.217"></a> |
| <span class="sourceLineNo">218</span> // Iterate on interfaces implemented by the current interface<a name="line.218"></a> |
| <span class="sourceLineNo">219</span> Class clazz = bundle.loadClass(spec);<a name="line.219"></a> |
| <span class="sourceLineNo">220</span> collectInterfaces(clazz, interfaces, bundle);<a name="line.220"></a> |
| <span class="sourceLineNo">221</span> }<a name="line.221"></a> |
| <span class="sourceLineNo">222</span><a name="line.222"></a> |
| <span class="sourceLineNo">223</span> // Look for parent class.<a name="line.223"></a> |
| <span class="sourceLineNo">224</span> if (parent != null) {<a name="line.224"></a> |
| <span class="sourceLineNo">225</span> Class clazz = bundle.loadClass(parent);<a name="line.225"></a> |
| <span class="sourceLineNo">226</span> collectInterfacesFromClass(clazz, interfaces, bundle);<a name="line.226"></a> |
| <span class="sourceLineNo">227</span> classes.add(parent);<a name="line.227"></a> |
| <span class="sourceLineNo">228</span> collectParentClassesFromClass(clazz, classes, bundle);<a name="line.228"></a> |
| <span class="sourceLineNo">229</span> }<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> * Look for inherited interfaces.<a name="line.233"></a> |
| <span class="sourceLineNo">234</span> * @param clazz : interface name to explore (class object)<a name="line.234"></a> |
| <span class="sourceLineNo">235</span> * @param acc : set (accumulator)<a name="line.235"></a> |
| <span class="sourceLineNo">236</span> * @param bundle : bundle<a name="line.236"></a> |
| <span class="sourceLineNo">237</span> * @throws ClassNotFoundException : occurs when an interface cannot be loaded.<a name="line.237"></a> |
| <span class="sourceLineNo">238</span> */<a name="line.238"></a> |
| <span class="sourceLineNo">239</span> private void collectInterfaces(Class clazz, Set<String> acc, Bundle bundle) throws ClassNotFoundException {<a name="line.239"></a> |
| <span class="sourceLineNo">240</span> Class[] clazzes = clazz.getInterfaces();<a name="line.240"></a> |
| <span class="sourceLineNo">241</span> for (Class clazze : clazzes) {<a name="line.241"></a> |
| <span class="sourceLineNo">242</span> acc.add(clazze.getName());<a name="line.242"></a> |
| <span class="sourceLineNo">243</span> collectInterfaces(clazze, acc, bundle);<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> * Collect interfaces for the given class.<a name="line.248"></a> |
| <span class="sourceLineNo">249</span> * This method explores super class to.<a name="line.249"></a> |
| <span class="sourceLineNo">250</span> * @param clazz : class object.<a name="line.250"></a> |
| <span class="sourceLineNo">251</span> * @param acc : set of implemented interface (accumulator)<a name="line.251"></a> |
| <span class="sourceLineNo">252</span> * @param bundle : bundle.<a name="line.252"></a> |
| <span class="sourceLineNo">253</span> * @throws ClassNotFoundException : occurs if an interface cannot be load.<a name="line.253"></a> |
| <span class="sourceLineNo">254</span> */<a name="line.254"></a> |
| <span class="sourceLineNo">255</span> private void collectInterfacesFromClass(Class clazz, Set<String> acc,<a name="line.255"></a> |
| <span class="sourceLineNo">256</span> Bundle bundle) throws ClassNotFoundException {<a name="line.256"></a> |
| <span class="sourceLineNo">257</span> Class[] clazzes = clazz.getInterfaces();<a name="line.257"></a> |
| <span class="sourceLineNo">258</span> for (Class clazze : clazzes) {<a name="line.258"></a> |
| <span class="sourceLineNo">259</span> acc.add(clazze.getName());<a name="line.259"></a> |
| <span class="sourceLineNo">260</span> collectInterfaces(clazze, acc, bundle);<a name="line.260"></a> |
| <span class="sourceLineNo">261</span> }<a name="line.261"></a> |
| <span class="sourceLineNo">262</span> // Iterate on parent classes<a name="line.262"></a> |
| <span class="sourceLineNo">263</span> Class sup = clazz.getSuperclass();<a name="line.263"></a> |
| <span class="sourceLineNo">264</span> if (sup != null) {<a name="line.264"></a> |
| <span class="sourceLineNo">265</span> collectInterfacesFromClass(sup, acc, bundle);<a name="line.265"></a> |
| <span class="sourceLineNo">266</span> }<a name="line.266"></a> |
| <span class="sourceLineNo">267</span> }<a name="line.267"></a> |
| <span class="sourceLineNo">268</span><a name="line.268"></a> |
| <span class="sourceLineNo">269</span> /**<a name="line.269"></a> |
| <span class="sourceLineNo">270</span> * Collect parent classes for the given class.<a name="line.270"></a> |
| <span class="sourceLineNo">271</span> * @param clazz : class object.<a name="line.271"></a> |
| <span class="sourceLineNo">272</span> * @param acc : set of extended classes (accumulator)<a name="line.272"></a> |
| <span class="sourceLineNo">273</span> * @param bundle : bundle.<a name="line.273"></a> |
| <span class="sourceLineNo">274</span> * @throws ClassNotFoundException : occurs if an interface cannot be load.<a name="line.274"></a> |
| <span class="sourceLineNo">275</span> */<a name="line.275"></a> |
| <span class="sourceLineNo">276</span> private void collectParentClassesFromClass(Class clazz, Set<String> acc,<a name="line.276"></a> |
| <span class="sourceLineNo">277</span> Bundle bundle) throws ClassNotFoundException {<a name="line.277"></a> |
| <span class="sourceLineNo">278</span> Class parent = clazz.getSuperclass();<a name="line.278"></a> |
| <span class="sourceLineNo">279</span> if (parent != null) {<a name="line.279"></a> |
| <span class="sourceLineNo">280</span> acc.add(parent.getName());<a name="line.280"></a> |
| <span class="sourceLineNo">281</span> collectParentClassesFromClass(parent, acc, bundle);<a name="line.281"></a> |
| <span class="sourceLineNo">282</span> }<a name="line.282"></a> |
| <span class="sourceLineNo">283</span> }<a name="line.283"></a> |
| <span class="sourceLineNo">284</span><a name="line.284"></a> |
| <span class="sourceLineNo">285</span> /**<a name="line.285"></a> |
| <span class="sourceLineNo">286</span> * Check the provided service given in argument in the sense that the metadata are consistent.<a name="line.286"></a> |
| <span class="sourceLineNo">287</span> * @param svc : the provided service to check.<a name="line.287"></a> |
| <span class="sourceLineNo">288</span> * @return true if the provided service is correct<a name="line.288"></a> |
| <span class="sourceLineNo">289</span> * @throws ConfigurationException : the checked provided service is not correct.<a name="line.289"></a> |
| <span class="sourceLineNo">290</span> */<a name="line.290"></a> |
| <span class="sourceLineNo">291</span> private boolean checkProvidedService(ProvidedService svc) throws ConfigurationException {<a name="line.291"></a> |
| <span class="sourceLineNo">292</span> for (int i = 0; i < svc.getServiceSpecifications().length; i++) {<a name="line.292"></a> |
| <span class="sourceLineNo">293</span> String specName = svc.getServiceSpecifications()[i];<a name="line.293"></a> |
| <span class="sourceLineNo">294</span><a name="line.294"></a> |
| <span class="sourceLineNo">295</span> // Check service level dependencies<a name="line.295"></a> |
| <span class="sourceLineNo">296</span> try {<a name="line.296"></a> |
| <span class="sourceLineNo">297</span> Class spec = getInstanceManager().getFactory().loadClass(specName);<a name="line.297"></a> |
| <span class="sourceLineNo">298</span> Field specField = spec.getField("specification");<a name="line.298"></a> |
| <span class="sourceLineNo">299</span> Object specif = specField.get(null);<a name="line.299"></a> |
| <span class="sourceLineNo">300</span> if (specif instanceof String) {<a name="line.300"></a> |
| <span class="sourceLineNo">301</span> Element specification = ManifestMetadataParser.parse((String) specif);<a name="line.301"></a> |
| <span class="sourceLineNo">302</span> Element[] deps = specification.getElements("requires");<a name="line.302"></a> |
| <span class="sourceLineNo">303</span> for (int j = 0; deps != null && j < deps.length; j++) {<a name="line.303"></a> |
| <span class="sourceLineNo">304</span> Dependency dep = getAttachedDependency(deps[j]);<a name="line.304"></a> |
| <span class="sourceLineNo">305</span> if (dep != null) {<a name="line.305"></a> |
| <span class="sourceLineNo">306</span> // Fix service-level dependency flag<a name="line.306"></a> |
| <span class="sourceLineNo">307</span> dep.setServiceLevelDependency();<a name="line.307"></a> |
| <span class="sourceLineNo">308</span> }<a name="line.308"></a> |
| <span class="sourceLineNo">309</span> isDependencyCorrect(dep, deps[j]);<a name="line.309"></a> |
| <span class="sourceLineNo">310</span> }<a name="line.310"></a> |
| <span class="sourceLineNo">311</span> } else {<a name="line.311"></a> |
| <span class="sourceLineNo">312</span> throw new ConfigurationException("Service Providing: The specification field of the service specification " + svc.getServiceSpecifications()[i] + " needs to be a String");<a name="line.312"></a> |
| <span class="sourceLineNo">313</span> }<a name="line.313"></a> |
| <span class="sourceLineNo">314</span> } catch (NoSuchFieldException e) {<a name="line.314"></a> |
| <span class="sourceLineNo">315</span> return true; // No specification field<a name="line.315"></a> |
| <span class="sourceLineNo">316</span> } catch (ClassNotFoundException e) {<a name="line.316"></a> |
| <span class="sourceLineNo">317</span> throw new ConfigurationException("Service Providing: The service specification " + svc.getServiceSpecifications()[i] + " cannot be loaded", e);<a name="line.317"></a> |
| <span class="sourceLineNo">318</span> } catch (IllegalArgumentException e) {<a name="line.318"></a> |
| <span class="sourceLineNo">319</span> throw new ConfigurationException("Service Providing: The field 'specification' of the service specification " + svc.getServiceSpecifications()[i] + " is not accessible", e);<a name="line.319"></a> |
| <span class="sourceLineNo">320</span> } catch (IllegalAccessException e) {<a name="line.320"></a> |
| <span class="sourceLineNo">321</span> throw new ConfigurationException("Service Providing: The field 'specification' of the service specification " + svc.getServiceSpecifications()[i] + " is not accessible", e);<a name="line.321"></a> |
| <span class="sourceLineNo">322</span> } catch (ParseException e) {<a name="line.322"></a> |
| <span class="sourceLineNo">323</span> throw new ConfigurationException("Service Providing: The field 'specification' of the service specification " + svc.getServiceSpecifications()[i] + " does not contain a valid String", e);<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> return true;<a name="line.327"></a> |
| <span class="sourceLineNo">328</span> }<a name="line.328"></a> |
| <span class="sourceLineNo">329</span><a name="line.329"></a> |
| <span class="sourceLineNo">330</span> /**<a name="line.330"></a> |
| <span class="sourceLineNo">331</span> * Look for the implementation (i.e. component) dependency for the given service-level requirement metadata.<a name="line.331"></a> |
| <span class="sourceLineNo">332</span> * @param element : the service-level requirement metadata<a name="line.332"></a> |
| <span class="sourceLineNo">333</span> * @return the Dependency object, null if not found or if the DependencyHandler is not plugged to the instance<a name="line.333"></a> |
| <span class="sourceLineNo">334</span> */<a name="line.334"></a> |
| <span class="sourceLineNo">335</span> private Dependency getAttachedDependency(Element element) {<a name="line.335"></a> |
| <span class="sourceLineNo">336</span> DependencyHandler handler = (DependencyHandler) getHandler(HandlerFactory.IPOJO_NAMESPACE + ":requires");<a name="line.336"></a> |
| <span class="sourceLineNo">337</span> if (handler == null) { return null; }<a name="line.337"></a> |
| <span class="sourceLineNo">338</span><a name="line.338"></a> |
| <span class="sourceLineNo">339</span> String identity = element.getAttribute("id");<a name="line.339"></a> |
| <span class="sourceLineNo">340</span> if (identity != null) {<a name="line.340"></a> |
| <span class="sourceLineNo">341</span> // Look for dependency Id<a name="line.341"></a> |
| <span class="sourceLineNo">342</span> for (int i = 0; i < handler.getDependencies().length; i++) {<a name="line.342"></a> |
| <span class="sourceLineNo">343</span> if (handler.getDependencies()[i].getId().equals(identity)) { return handler.getDependencies()[i]; }<a name="line.343"></a> |
| <span class="sourceLineNo">344</span> }<a name="line.344"></a> |
| <span class="sourceLineNo">345</span> }<a name="line.345"></a> |
| <span class="sourceLineNo">346</span> // If not found or no id, look for a dependency with the same specification<a name="line.346"></a> |
| <span class="sourceLineNo">347</span> String requirement = element.getAttribute("specification");<a name="line.347"></a> |
| <span class="sourceLineNo">348</span> for (int i = 0; i < handler.getDependencies().length; i++) {<a name="line.348"></a> |
| <span class="sourceLineNo">349</span> if ((handler.getDependencies()[i].getSpecification().getName()).equals(requirement)) { return handler.getDependencies()[i]; }<a name="line.349"></a> |
| <span class="sourceLineNo">350</span> }<a name="line.350"></a> |
| <span class="sourceLineNo">351</span><a name="line.351"></a> |
| <span class="sourceLineNo">352</span> return null;<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> * Check the correctness of the implementation dependency against the service level dependency.<a name="line.356"></a> |
| <span class="sourceLineNo">357</span> * @param dep : dependency to check<a name="line.357"></a> |
| <span class="sourceLineNo">358</span> * @param elem : service-level dependency metadata<a name="line.358"></a> |
| <span class="sourceLineNo">359</span> * @throws ConfigurationException : the service level dependency and the implementation dependency does not match.<a name="line.359"></a> |
| <span class="sourceLineNo">360</span> */<a name="line.360"></a> |
| <span class="sourceLineNo">361</span> private void isDependencyCorrect(Dependency dep, Element elem) throws ConfigurationException {<a name="line.361"></a> |
| <span class="sourceLineNo">362</span> String optional = elem.getAttribute("optional");<a name="line.362"></a> |
| <span class="sourceLineNo">363</span> boolean opt = optional != null && optional.equalsIgnoreCase("true");<a name="line.363"></a> |
| <span class="sourceLineNo">364</span><a name="line.364"></a> |
| <span class="sourceLineNo">365</span> String aggregate = elem.getAttribute("aggregate");<a name="line.365"></a> |
| <span class="sourceLineNo">366</span> boolean agg = aggregate != null && aggregate.equalsIgnoreCase("true");<a name="line.366"></a> |
| <span class="sourceLineNo">367</span><a name="line.367"></a> |
| <span class="sourceLineNo">368</span> if (dep == null && !opt) {<a name="line.368"></a> |
| <span class="sourceLineNo">369</span> throw new ConfigurationException("Service Providing: The requirement " + elem.getAttribute("specification") + " is not present in the implementation and is declared as a mandatory service-level requirement");<a name="line.369"></a> |
| <span class="sourceLineNo">370</span> }<a name="line.370"></a> |
| <span class="sourceLineNo">371</span><a name="line.371"></a> |
| <span class="sourceLineNo">372</span> if (dep != null && dep.isAggregate() && !agg) {<a name="line.372"></a> |
| <span class="sourceLineNo">373</span> throw new ConfigurationException("Service Providing: The requirement " + elem.getAttribute("specification") + " is aggregate in the implementation and is declared as a simple service-level requirement");<a name="line.373"></a> |
| <span class="sourceLineNo">374</span> }<a name="line.374"></a> |
| <span class="sourceLineNo">375</span><a name="line.375"></a> |
| <span class="sourceLineNo">376</span> String filter = elem.getAttribute("filter");<a name="line.376"></a> |
| <span class="sourceLineNo">377</span> if (dep != null && filter != null) {<a name="line.377"></a> |
| <span class="sourceLineNo">378</span> String filter2 = dep.getFilter();<a name="line.378"></a> |
| <span class="sourceLineNo">379</span> if (filter2 == null || !filter2.equalsIgnoreCase(filter)) {<a name="line.379"></a> |
| <span class="sourceLineNo">380</span> throw new ConfigurationException("Service Providing: The specification requirement " + elem.getAttribute("specification") + " has not the same filter as declared in the service-level requirement");<a name="line.380"></a> |
| <span class="sourceLineNo">381</span> }<a name="line.381"></a> |
| <span class="sourceLineNo">382</span> }<a name="line.382"></a> |
| <span class="sourceLineNo">383</span> }<a name="line.383"></a> |
| <span class="sourceLineNo">384</span><a name="line.384"></a> |
| <span class="sourceLineNo">385</span> /**<a name="line.385"></a> |
| <span class="sourceLineNo">386</span> * Stop the provided service handler.<a name="line.386"></a> |
| <span class="sourceLineNo">387</span> *<a name="line.387"></a> |
| <span class="sourceLineNo">388</span> * @see org.apache.felix.ipojo.Handler#stop()<a name="line.388"></a> |
| <span class="sourceLineNo">389</span> */<a name="line.389"></a> |
| <span class="sourceLineNo">390</span> public void stop() {<a name="line.390"></a> |
| <span class="sourceLineNo">391</span> //Nothing to do.<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> * Start the provided service handler.<a name="line.395"></a> |
| <span class="sourceLineNo">396</span> *<a name="line.396"></a> |
| <span class="sourceLineNo">397</span> * @see org.apache.felix.ipojo.Handler#start()<a name="line.397"></a> |
| <span class="sourceLineNo">398</span> */<a name="line.398"></a> |
| <span class="sourceLineNo">399</span> public void start() {<a name="line.399"></a> |
| <span class="sourceLineNo">400</span> // Nothing to do.<a name="line.400"></a> |
| <span class="sourceLineNo">401</span> }<a name="line.401"></a> |
| <span class="sourceLineNo">402</span><a name="line.402"></a> |
| <span class="sourceLineNo">403</span> /**<a name="line.403"></a> |
| <span class="sourceLineNo">404</span> * Setter Callback Method.<a name="line.404"></a> |
| <span class="sourceLineNo">405</span> * Check if the modified field is a property to update the value.<a name="line.405"></a> |
| <span class="sourceLineNo">406</span> * @param pojo : the pojo object on which the field is accessed<a name="line.406"></a> |
| <span class="sourceLineNo">407</span> * @param fieldName : field name<a name="line.407"></a> |
| <span class="sourceLineNo">408</span> * @param value : new value<a name="line.408"></a> |
| <span class="sourceLineNo">409</span> * @see org.apache.felix.ipojo.FieldInterceptor#onSet(Object, String, Object)<a name="line.409"></a> |
| <span class="sourceLineNo">410</span> */<a name="line.410"></a> |
| <span class="sourceLineNo">411</span> public void onSet(Object pojo, String fieldName, Object value) {<a name="line.411"></a> |
| <span class="sourceLineNo">412</span> // Verify that the field name correspond to a dependency<a name="line.412"></a> |
| <span class="sourceLineNo">413</span> for (ProvidedService svc : m_providedServices) {<a name="line.413"></a> |
| <span class="sourceLineNo">414</span> boolean update = false;<a name="line.414"></a> |
| <span class="sourceLineNo">415</span> for (int j = 0; j < svc.getProperties().length; j++) {<a name="line.415"></a> |
| <span class="sourceLineNo">416</span> Property prop = svc.getProperties()[j];<a name="line.416"></a> |
| <span class="sourceLineNo">417</span> if (fieldName.equals(prop.getField()) && !prop.getValue().equals(value)) {<a name="line.417"></a> |
| <span class="sourceLineNo">418</span> // it is the associated property<a name="line.418"></a> |
| <span class="sourceLineNo">419</span> prop.setValue(value);<a name="line.419"></a> |
| <span class="sourceLineNo">420</span> update = true;<a name="line.420"></a> |
| <span class="sourceLineNo">421</span> }<a name="line.421"></a> |
| <span class="sourceLineNo">422</span> }<a name="line.422"></a> |
| <span class="sourceLineNo">423</span> if (update) {<a name="line.423"></a> |
| <span class="sourceLineNo">424</span> svc.update();<a name="line.424"></a> |
| <span class="sourceLineNo">425</span> }<a name="line.425"></a> |
| <span class="sourceLineNo">426</span> ServiceController ctrl = svc.getController(fieldName);<a name="line.426"></a> |
| <span class="sourceLineNo">427</span> if (ctrl != null) {<a name="line.427"></a> |
| <span class="sourceLineNo">428</span> if (value instanceof Boolean) {<a name="line.428"></a> |
| <span class="sourceLineNo">429</span> ctrl.setValue((Boolean) value);<a name="line.429"></a> |
| <span class="sourceLineNo">430</span> } else {<a name="line.430"></a> |
| <span class="sourceLineNo">431</span> warn("Boolean value expected for the service controller " + fieldName);<a name="line.431"></a> |
| <span class="sourceLineNo">432</span> }<a name="line.432"></a> |
| <span class="sourceLineNo">433</span> }<a name="line.433"></a> |
| <span class="sourceLineNo">434</span> }<a name="line.434"></a> |
| <span class="sourceLineNo">435</span> // Else do nothing<a name="line.435"></a> |
| <span class="sourceLineNo">436</span> }<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> * Getter Callback Method.<a name="line.439"></a> |
| <span class="sourceLineNo">440</span> * Check if the field is a property to push the stored value.<a name="line.440"></a> |
| <span class="sourceLineNo">441</span> * @param pojo : the pojo object on which the field is accessed<a name="line.441"></a> |
| <span class="sourceLineNo">442</span> * @param fieldName : field name<a name="line.442"></a> |
| <span class="sourceLineNo">443</span> * @param value : value pushed by the previous handler<a name="line.443"></a> |
| <span class="sourceLineNo">444</span> * @return the stored value or the previous value.<a name="line.444"></a> |
| <span class="sourceLineNo">445</span> * @see org.apache.felix.ipojo.FieldInterceptor#onGet(Object, String, Object)<a name="line.445"></a> |
| <span class="sourceLineNo">446</span> */<a name="line.446"></a> |
| <span class="sourceLineNo">447</span> public Object onGet(Object pojo, String fieldName, Object value) {<a name="line.447"></a> |
| <span class="sourceLineNo">448</span> for (ProvidedService svc : m_providedServices) {<a name="line.448"></a> |
| <span class="sourceLineNo">449</span> for (int j = 0; j < svc.getProperties().length; j++) {<a name="line.449"></a> |
| <span class="sourceLineNo">450</span> Property prop = svc.getProperties()[j];<a name="line.450"></a> |
| <span class="sourceLineNo">451</span> if (fieldName.equals(prop.getField())) {<a name="line.451"></a> |
| <span class="sourceLineNo">452</span> // Manage the No Value case.<a name="line.452"></a> |
| <span class="sourceLineNo">453</span> return prop.onGet(pojo, fieldName, value);<a name="line.453"></a> |
| <span class="sourceLineNo">454</span> }<a name="line.454"></a> |
| <span class="sourceLineNo">455</span> }<a name="line.455"></a> |
| <span class="sourceLineNo">456</span> ServiceController ctrl = svc.getController(fieldName);<a name="line.456"></a> |
| <span class="sourceLineNo">457</span> if (ctrl != null) {<a name="line.457"></a> |
| <span class="sourceLineNo">458</span> return ctrl.getValue();<a name="line.458"></a> |
| <span class="sourceLineNo">459</span> }<a name="line.459"></a> |
| <span class="sourceLineNo">460</span> }<a name="line.460"></a> |
| <span class="sourceLineNo">461</span> // Else it is not a property<a name="line.461"></a> |
| <span class="sourceLineNo">462</span> return value;<a name="line.462"></a> |
| <span class="sourceLineNo">463</span> }<a name="line.463"></a> |
| <span class="sourceLineNo">464</span><a name="line.464"></a> |
| <span class="sourceLineNo">465</span> /**<a name="line.465"></a> |
| <span class="sourceLineNo">466</span> * Register the services if the new state is VALID. Un-register the services<a name="line.466"></a> |
| <span class="sourceLineNo">467</span> * if the new state is UNRESOLVED.<a name="line.467"></a> |
| <span class="sourceLineNo">468</span> *<a name="line.468"></a> |
| <span class="sourceLineNo">469</span> * @param state : the new instance state.<a name="line.469"></a> |
| <span class="sourceLineNo">470</span> * @see org.apache.felix.ipojo.Handler#stateChanged(int)<a name="line.470"></a> |
| <span class="sourceLineNo">471</span> */<a name="line.471"></a> |
| <span class="sourceLineNo">472</span> public void stateChanged(int state) {<a name="line.472"></a> |
| <span class="sourceLineNo">473</span> // If the new state is INVALID => un-register all the services<a name="line.473"></a> |
| <span class="sourceLineNo">474</span> if (state == InstanceManager.INVALID) {<a name="line.474"></a> |
| <span class="sourceLineNo">475</span> for (ProvidedService m_providedService : m_providedServices) {<a name="line.475"></a> |
| <span class="sourceLineNo">476</span> m_providedService.unregisterService();<a name="line.476"></a> |
| <span class="sourceLineNo">477</span> }<a name="line.477"></a> |
| <span class="sourceLineNo">478</span> return;<a name="line.478"></a> |
| <span class="sourceLineNo">479</span> }<a name="line.479"></a> |
| <span class="sourceLineNo">480</span><a name="line.480"></a> |
| <span class="sourceLineNo">481</span> // If the new state is VALID => register all the services<a name="line.481"></a> |
| <span class="sourceLineNo">482</span> if (state == InstanceManager.VALID) {<a name="line.482"></a> |
| <span class="sourceLineNo">483</span> for (ProvidedService ps : m_providedServices) {<a name="line.483"></a> |
| <span class="sourceLineNo">484</span> ps.registerService();<a name="line.484"></a> |
| <span class="sourceLineNo">485</span> }<a name="line.485"></a> |
| <span class="sourceLineNo">486</span> }<a name="line.486"></a> |
| <span class="sourceLineNo">487</span><a name="line.487"></a> |
| <span class="sourceLineNo">488</span> // If the new state is DISPOSED => cleanup all the provided services listeners<a name="line.488"></a> |
| <span class="sourceLineNo">489</span> if (state == InstanceManager.DISPOSED) {<a name="line.489"></a> |
| <span class="sourceLineNo">490</span> for (ProvidedService ps : m_providedServices) {<a name="line.490"></a> |
| <span class="sourceLineNo">491</span> ps.cleanup();<a name="line.491"></a> |
| <span class="sourceLineNo">492</span> }<a name="line.492"></a> |
| <span class="sourceLineNo">493</span> }<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> * Adds properties to all provided services.<a name="line.497"></a> |
| <span class="sourceLineNo">498</span> * @param dict : dictionary of properties to add<a name="line.498"></a> |
| <span class="sourceLineNo">499</span> */<a name="line.499"></a> |
| <span class="sourceLineNo">500</span> public void addProperties(Dictionary dict) {<a name="line.500"></a> |
| <span class="sourceLineNo">501</span> for (ProvidedService ps : m_providedServices) {<a name="line.501"></a> |
| <span class="sourceLineNo">502</span> ps.addProperties(dict);<a name="line.502"></a> |
| <span class="sourceLineNo">503</span> ps.update();<a name="line.503"></a> |
| <span class="sourceLineNo">504</span> }<a name="line.504"></a> |
| <span class="sourceLineNo">505</span> }<a name="line.505"></a> |
| <span class="sourceLineNo">506</span><a name="line.506"></a> |
| <span class="sourceLineNo">507</span> /**<a name="line.507"></a> |
| <span class="sourceLineNo">508</span> * Remove properties form all provided services.<a name="line.508"></a> |
| <span class="sourceLineNo">509</span> *<a name="line.509"></a> |
| <span class="sourceLineNo">510</span> * @param dict : dictionary of properties to delete.<a name="line.510"></a> |
| <span class="sourceLineNo">511</span> */<a name="line.511"></a> |
| <span class="sourceLineNo">512</span> public void removeProperties(Dictionary dict) {<a name="line.512"></a> |
| <span class="sourceLineNo">513</span> for (ProvidedService ps : m_providedServices) {<a name="line.513"></a> |
| <span class="sourceLineNo">514</span> ps.deleteProperties(dict);<a name="line.514"></a> |
| <span class="sourceLineNo">515</span> ps.update();<a name="line.515"></a> |
| <span class="sourceLineNo">516</span> }<a name="line.516"></a> |
| <span class="sourceLineNo">517</span> }<a name="line.517"></a> |
| <span class="sourceLineNo">518</span><a name="line.518"></a> |
| <span class="sourceLineNo">519</span> /**<a name="line.519"></a> |
| <span class="sourceLineNo">520</span> * Build the provided service description.<a name="line.520"></a> |
| <span class="sourceLineNo">521</span> * @return the handler description.<a name="line.521"></a> |
| <span class="sourceLineNo">522</span> * @see org.apache.felix.ipojo.Handler#getDescription()<a name="line.522"></a> |
| <span class="sourceLineNo">523</span> */<a name="line.523"></a> |
| <span class="sourceLineNo">524</span> public HandlerDescription getDescription() {<a name="line.524"></a> |
| <span class="sourceLineNo">525</span> return m_description;<a name="line.525"></a> |
| <span class="sourceLineNo">526</span> }<a name="line.526"></a> |
| <span class="sourceLineNo">527</span><a name="line.527"></a> |
| <span class="sourceLineNo">528</span> /**<a name="line.528"></a> |
| <span class="sourceLineNo">529</span> * Reconfigure provided service.<a name="line.529"></a> |
| <span class="sourceLineNo">530</span> * @param dict : the new instance configuration.<a name="line.530"></a> |
| <span class="sourceLineNo">531</span> * @see org.apache.felix.ipojo.Handler#reconfigure(java.util.Dictionary)<a name="line.531"></a> |
| <span class="sourceLineNo">532</span> */<a name="line.532"></a> |
| <span class="sourceLineNo">533</span> public void reconfigure(Dictionary dict) {<a name="line.533"></a> |
| <span class="sourceLineNo">534</span> for (int j = 0; j < getProvidedServices().length; j++) {<a name="line.534"></a> |
| <span class="sourceLineNo">535</span> ProvidedService svc = getProvidedServices()[j];<a name="line.535"></a> |
| <span class="sourceLineNo">536</span> Property[] props = svc.getProperties();<a name="line.536"></a> |
| <span class="sourceLineNo">537</span> boolean update = false;<a name="line.537"></a> |
| <span class="sourceLineNo">538</span> for (Property prop : props) {<a name="line.538"></a> |
| <span class="sourceLineNo">539</span> final Object receivedValue = dict.get(prop.getName());<a name="line.539"></a> |
| <span class="sourceLineNo">540</span> if (receivedValue != null) {<a name="line.540"></a> |
| <span class="sourceLineNo">541</span> update = true;<a name="line.541"></a> |
| <span class="sourceLineNo">542</span> prop.setValue(receivedValue);<a name="line.542"></a> |
| <span class="sourceLineNo">543</span> }<a name="line.543"></a> |
| <span class="sourceLineNo">544</span> }<a name="line.544"></a> |
| <span class="sourceLineNo">545</span> if (update) {<a name="line.545"></a> |
| <span class="sourceLineNo">546</span> svc.update();<a name="line.546"></a> |
| <span class="sourceLineNo">547</span> }<a name="line.547"></a> |
| <span class="sourceLineNo">548</span> }<a name="line.548"></a> |
| <span class="sourceLineNo">549</span> }<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> * Initialize the component type.<a name="line.552"></a> |
| <span class="sourceLineNo">553</span> * @param desc : component type description to populate.<a name="line.553"></a> |
| <span class="sourceLineNo">554</span> * @param metadata : component type metadata.<a name="line.554"></a> |
| <span class="sourceLineNo">555</span> * @throws ConfigurationException : occurs when the POJO does not implement any interfaces.<a name="line.555"></a> |
| <span class="sourceLineNo">556</span> * @see org.apache.felix.ipojo.Handler#initializeComponentFactory(org.apache.felix.ipojo.architecture.ComponentTypeDescription, org.apache.felix.ipojo.metadata.Element)<a name="line.556"></a> |
| <span class="sourceLineNo">557</span> */<a name="line.557"></a> |
| <span class="sourceLineNo">558</span> public void initializeComponentFactory(ComponentTypeDescription desc, Element metadata) throws ConfigurationException {<a name="line.558"></a> |
| <span class="sourceLineNo">559</span> // Change ComponentInfo<a name="line.559"></a> |
| <span class="sourceLineNo">560</span> Element[] provides = metadata.getElements("provides");<a name="line.560"></a> |
| <span class="sourceLineNo">561</span> PojoMetadata manipulation = getFactory().getPojoMetadata();<a name="line.561"></a> |
| <span class="sourceLineNo">562</span><a name="line.562"></a> |
| <span class="sourceLineNo">563</span> for (Element provide : provides) {<a name="line.563"></a> |
| <span class="sourceLineNo">564</span> // First : create the serviceSpecification list<a name="line.564"></a> |
| <span class="sourceLineNo">565</span> String[] serviceSpecification = manipulation.getInterfaces();<a name="line.565"></a> |
| <span class="sourceLineNo">566</span> String parent = manipulation.getSuperClass();<a name="line.566"></a> |
| <span class="sourceLineNo">567</span> Set<String> interfaces = new HashSet<String>();<a name="line.567"></a> |
| <span class="sourceLineNo">568</span> Set<String> parentClasses = new HashSet<String>();<a name="line.568"></a> |
| <span class="sourceLineNo">569</span> try {<a name="line.569"></a> |
| <span class="sourceLineNo">570</span> computeInterfacesAndSuperClasses(serviceSpecification, parent, desc.getBundleContext().getBundle(), interfaces, parentClasses);<a name="line.570"></a> |
| <span class="sourceLineNo">571</span> getLogger().log(Logger.INFO, "Collected interfaces from " + metadata.getAttribute("classname") + " : " + interfaces);<a name="line.571"></a> |
| <span class="sourceLineNo">572</span> getLogger().log(Logger.INFO, "Collected super classes from " + metadata.getAttribute("classname") + " : " + parentClasses);<a name="line.572"></a> |
| <span class="sourceLineNo">573</span> } catch (ClassNotFoundException e) {<a name="line.573"></a> |
| <span class="sourceLineNo">574</span> throw new ConfigurationException("An interface or parent class cannot be loaded", e);<a name="line.574"></a> |
| <span class="sourceLineNo">575</span> }<a name="line.575"></a> |
| <span class="sourceLineNo">576</span><a name="line.576"></a> |
| <span class="sourceLineNo">577</span> String serviceSpecificationStr = provide.getAttribute("specifications");<a name="line.577"></a> |
| <span class="sourceLineNo">578</span> if (serviceSpecificationStr == null) {<a name="line.578"></a> |
| <span class="sourceLineNo">579</span> serviceSpecificationStr = provide.getAttribute("interface");<a name="line.579"></a> |
| <span class="sourceLineNo">580</span> if (serviceSpecificationStr != null) {<a name="line.580"></a> |
| <span class="sourceLineNo">581</span> warn("The 'interface' attribute is deprecated, use the 'specifications' attribute instead of 'interface'");<a name="line.581"></a> |
| <span class="sourceLineNo">582</span> }<a name="line.582"></a> |
| <span class="sourceLineNo">583</span> }<a name="line.583"></a> |
| <span class="sourceLineNo">584</span><a name="line.584"></a> |
| <span class="sourceLineNo">585</span> if (serviceSpecificationStr != null) {<a name="line.585"></a> |
| <span class="sourceLineNo">586</span> List<String> itfs = ParseUtils.parseArraysAsList(serviceSpecificationStr);<a name="line.586"></a> |
| <span class="sourceLineNo">587</span> for (String itf : itfs)<a name="line.587"></a> |
| <span class="sourceLineNo">588</span> if (!interfaces.contains(itf)<a name="line.588"></a> |
| <span class="sourceLineNo">589</span> && !parentClasses.contains(itf)<a name="line.589"></a> |
| <span class="sourceLineNo">590</span> && !desc.getFactory().getClassName().equals(itf)) {<a name="line.590"></a> |
| <span class="sourceLineNo">591</span> desc.getFactory().getLogger().log(Logger.ERROR, "The specification " + itf + " is not implemented by " + metadata.getAttribute("classname"));<a name="line.591"></a> |
| <span class="sourceLineNo">592</span> }<a name="line.592"></a> |
| <span class="sourceLineNo">593</span> interfaces.clear();<a name="line.593"></a> |
| <span class="sourceLineNo">594</span> interfaces.addAll(itfs);<a name="line.594"></a> |
| <span class="sourceLineNo">595</span> }<a name="line.595"></a> |
| <span class="sourceLineNo">596</span><a name="line.596"></a> |
| <span class="sourceLineNo">597</span> if (interfaces.isEmpty()) {<a name="line.597"></a> |
| <span class="sourceLineNo">598</span> warn("No service interface found in the class hierarchy, use the implementation class");<a name="line.598"></a> |
| <span class="sourceLineNo">599</span> interfaces.add(desc.getFactory().getClassName());<a name="line.599"></a> |
| <span class="sourceLineNo">600</span> }<a name="line.600"></a> |
| <span class="sourceLineNo">601</span><a name="line.601"></a> |
| <span class="sourceLineNo">602</span> StringBuffer specs = null;<a name="line.602"></a> |
| <span class="sourceLineNo">603</span> Set<String> set = new HashSet<String>(interfaces);<a name="line.603"></a> |
| <span class="sourceLineNo">604</span> set.remove(Pojo.class.getName()); // Remove POJO.<a name="line.604"></a> |
| <span class="sourceLineNo">605</span> for (String spec : set) {<a name="line.605"></a> |
| <span class="sourceLineNo">606</span> desc.addProvidedServiceSpecification(spec);<a name="line.606"></a> |
| <span class="sourceLineNo">607</span> if (specs == null) {<a name="line.607"></a> |
| <span class="sourceLineNo">608</span> specs = new StringBuffer("{");<a name="line.608"></a> |
| <span class="sourceLineNo">609</span> specs.append(spec);<a name="line.609"></a> |
| <span class="sourceLineNo">610</span> } else {<a name="line.610"></a> |
| <span class="sourceLineNo">611</span> specs.append(',');<a name="line.611"></a> |
| <span class="sourceLineNo">612</span> specs.append(spec);<a name="line.612"></a> |
| <span class="sourceLineNo">613</span> }<a name="line.613"></a> |
| <span class="sourceLineNo">614</span> }<a name="line.614"></a> |
| <span class="sourceLineNo">615</span><a name="line.615"></a> |
| <span class="sourceLineNo">616</span> specs.append('}');<a name="line.616"></a> |
| <span class="sourceLineNo">617</span> provide.addAttribute(new Attribute("specifications", specs.toString())); // Add interface attribute to avoid checking in the configure method<a name="line.617"></a> |
| <span class="sourceLineNo">618</span><a name="line.618"></a> |
| <span class="sourceLineNo">619</span> Element[] props = provide.getElements("property");<a name="line.619"></a> |
| <span class="sourceLineNo">620</span> for (int j = 0; props != null && j < props.length; j++) {<a name="line.620"></a> |
| <span class="sourceLineNo">621</span> String name = props[j].getAttribute("name");<a name="line.621"></a> |
| <span class="sourceLineNo">622</span> String value = props[j].getAttribute("value");<a name="line.622"></a> |
| <span class="sourceLineNo">623</span> String type = props[j].getAttribute("type");<a name="line.623"></a> |
| <span class="sourceLineNo">624</span> String field = props[j].getAttribute("field");<a name="line.624"></a> |
| <span class="sourceLineNo">625</span><a name="line.625"></a> |
| <span class="sourceLineNo">626</span><a name="line.626"></a> |
| <span class="sourceLineNo">627</span> // Get property name :<a name="line.627"></a> |
| <span class="sourceLineNo">628</span> if (field != null && name == null) {<a name="line.628"></a> |
| <span class="sourceLineNo">629</span> name = field;<a name="line.629"></a> |
| <span class="sourceLineNo">630</span> }<a name="line.630"></a> |
| <span class="sourceLineNo">631</span><a name="line.631"></a> |
| <span class="sourceLineNo">632</span> // Check type if not already set<a name="line.632"></a> |
| <span class="sourceLineNo">633</span> if (type == null) {<a name="line.633"></a> |
| <span class="sourceLineNo">634</span> if (field == null) {<a name="line.634"></a> |
| <span class="sourceLineNo">635</span> throw new ConfigurationException("The property " + name + " has neither type nor field.");<a name="line.635"></a> |
| <span class="sourceLineNo">636</span> }<a name="line.636"></a> |
| <span class="sourceLineNo">637</span> FieldMetadata fieldMeta = manipulation.getField(field);<a name="line.637"></a> |
| <span class="sourceLineNo">638</span> if (fieldMeta == null) {<a name="line.638"></a> |
| <span class="sourceLineNo">639</span> throw new ConfigurationException("A declared property was not found in the implementation class : " + field);<a name="line.639"></a> |
| <span class="sourceLineNo">640</span> }<a name="line.640"></a> |
| <span class="sourceLineNo">641</span> type = fieldMeta.getFieldType();<a name="line.641"></a> |
| <span class="sourceLineNo">642</span> props[j].addAttribute(new Attribute("type", type));<a name="line.642"></a> |
| <span class="sourceLineNo">643</span> }<a name="line.643"></a> |
| <span class="sourceLineNo">644</span><a name="line.644"></a> |
| <span class="sourceLineNo">645</span> // Is the property set to immutable<a name="line.645"></a> |
| <span class="sourceLineNo">646</span> boolean immutable = false;<a name="line.646"></a> |
| <span class="sourceLineNo">647</span> String imm = props[j].getAttribute("immutable");<a name="line.647"></a> |
| <span class="sourceLineNo">648</span> if (imm != null && imm.equalsIgnoreCase("true")) {<a name="line.648"></a> |
| <span class="sourceLineNo">649</span> immutable = true;<a name="line.649"></a> |
| <span class="sourceLineNo">650</span> }<a name="line.650"></a> |
| <span class="sourceLineNo">651</span><a name="line.651"></a> |
| <span class="sourceLineNo">652</span> PropertyDescription pd = new PropertyDescription(name, type, value, immutable);<a name="line.652"></a> |
| <span class="sourceLineNo">653</span> desc.addProperty(pd);<a name="line.653"></a> |
| <span class="sourceLineNo">654</span><a name="line.654"></a> |
| <span class="sourceLineNo">655</span> String man = props[j].getAttribute("mandatory");<a name="line.655"></a> |
| <span class="sourceLineNo">656</span> if (man != null && man.equalsIgnoreCase("true")) {<a name="line.656"></a> |
| <span class="sourceLineNo">657</span> pd.setMandatory();<a name="line.657"></a> |
| <span class="sourceLineNo">658</span> }<a name="line.658"></a> |
| <span class="sourceLineNo">659</span> }<a name="line.659"></a> |
| <span class="sourceLineNo">660</span> }<a name="line.660"></a> |
| <span class="sourceLineNo">661</span> }<a name="line.661"></a> |
| <span class="sourceLineNo">662</span><a name="line.662"></a> |
| <span class="sourceLineNo">663</span>}<a name="line.663"></a> |
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| </pre> |
| </div> |
| </body> |
| </html> |