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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;<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.extender.internal.Extender;<a name="line.22"></a> |
| <span class="sourceLineNo">023</span>import org.apache.felix.ipojo.util.Log;<a name="line.23"></a> |
| <span class="sourceLineNo">024</span>import org.apache.felix.ipojo.util.Logger;<a name="line.24"></a> |
| <span class="sourceLineNo">025</span>import org.apache.felix.ipojo.util.ServiceLocator;<a name="line.25"></a> |
| <span class="sourceLineNo">026</span>import org.osgi.framework.*;<a name="line.26"></a> |
| <span class="sourceLineNo">027</span>import org.osgi.service.cm.*;<a name="line.27"></a> |
| <span class="sourceLineNo">028</span>import org.osgi.service.cm.ConfigurationException;<a name="line.28"></a> |
| <span class="sourceLineNo">029</span><a name="line.29"></a> |
| <span class="sourceLineNo">030</span>import java.io.IOException;<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> * An object tracking configuration from the configuration admin. It delegates to the underlying factories or<a name="line.34"></a> |
| <span class="sourceLineNo">035</span> * component instance the action.<a name="line.35"></a> |
| <span class="sourceLineNo">036</span> * <p/><a name="line.36"></a> |
| <span class="sourceLineNo">037</span> * This class implements a Configuration Listener, so events are received asynchronously.<a name="line.37"></a> |
| <span class="sourceLineNo">038</span> */<a name="line.38"></a> |
| <span class="sourceLineNo">039</span>public class ConfigurationTracker implements ConfigurationListener {<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> * The tracker instance.<a name="line.42"></a> |
| <span class="sourceLineNo">043</span> */<a name="line.43"></a> |
| <span class="sourceLineNo">044</span> private static ConfigurationTracker m_singleton;<a name="line.44"></a> |
| <span class="sourceLineNo">045</span> private final ServiceRegistration m_registration;<a name="line.45"></a> |
| <span class="sourceLineNo">046</span> private final BundleContext m_context;<a name="line.46"></a> |
| <span class="sourceLineNo">047</span> private final Logger m_logger;<a name="line.47"></a> |
| <span class="sourceLineNo">048</span> private Map<String, IPojoFactory> m_factories = new HashMap<String, IPojoFactory>();<a name="line.48"></a> |
| <span class="sourceLineNo">049</span><a name="line.49"></a> |
| <span class="sourceLineNo">050</span> public ConfigurationTracker() {<a name="line.50"></a> |
| <span class="sourceLineNo">051</span> m_context = Extender.getIPOJOBundleContext();<a name="line.51"></a> |
| <span class="sourceLineNo">052</span> m_logger = new Logger(m_context, "iPOJO Configuration Admin listener", Log.INFO);<a name="line.52"></a> |
| <span class="sourceLineNo">053</span> // register as listener for configurations<a name="line.53"></a> |
| <span class="sourceLineNo">054</span> Dictionary<String, Object> props = new Hashtable<String, Object>();<a name="line.54"></a> |
| <span class="sourceLineNo">055</span> props.put(Constants.SERVICE_DESCRIPTION, "iPOJO Configuration Admin Listener");<a name="line.55"></a> |
| <span class="sourceLineNo">056</span> props.put(Constants.SERVICE_VENDOR, "The Apache Software Foundation");<a name="line.56"></a> |
| <span class="sourceLineNo">057</span> m_registration = m_context.registerService(ConfigurationListener.class.getName(), this, props);<a name="line.57"></a> |
| <span class="sourceLineNo">058</span> }<a name="line.58"></a> |
| <span class="sourceLineNo">059</span><a name="line.59"></a> |
| <span class="sourceLineNo">060</span> public static void initialize() {<a name="line.60"></a> |
| <span class="sourceLineNo">061</span> synchronized (ConfigurationTracker.class) {<a name="line.61"></a> |
| <span class="sourceLineNo">062</span> if (m_singleton == null) {<a name="line.62"></a> |
| <span class="sourceLineNo">063</span> m_singleton = new ConfigurationTracker();<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> }<a name="line.66"></a> |
| <span class="sourceLineNo">067</span><a name="line.67"></a> |
| <span class="sourceLineNo">068</span> public static void shutdown() {<a name="line.68"></a> |
| <span class="sourceLineNo">069</span> m_singleton.dispose();<a name="line.69"></a> |
| <span class="sourceLineNo">070</span> m_singleton = null;<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> public static ConfigurationTracker get() {<a name="line.73"></a> |
| <span class="sourceLineNo">074</span> return m_singleton;<a name="line.74"></a> |
| <span class="sourceLineNo">075</span> }<a name="line.75"></a> |
| <span class="sourceLineNo">076</span><a name="line.76"></a> |
| <span class="sourceLineNo">077</span> /**<a name="line.77"></a> |
| <span class="sourceLineNo">078</span> * This method must be called by the iPOJO System itself, and only once.<a name="line.78"></a> |
| <span class="sourceLineNo">079</span> */<a name="line.79"></a> |
| <span class="sourceLineNo">080</span> public synchronized void dispose() {<a name="line.80"></a> |
| <span class="sourceLineNo">081</span> if (m_registration != null) {<a name="line.81"></a> |
| <span class="sourceLineNo">082</span> m_registration.unregister();<a name="line.82"></a> |
| <span class="sourceLineNo">083</span> }<a name="line.83"></a> |
| <span class="sourceLineNo">084</span> m_factories.clear();<a name="line.84"></a> |
| <span class="sourceLineNo">085</span> }<a name="line.85"></a> |
| <span class="sourceLineNo">086</span><a name="line.86"></a> |
| <span class="sourceLineNo">087</span> public synchronized void registerFactory(IPojoFactory factory) {<a name="line.87"></a> |
| <span class="sourceLineNo">088</span> m_factories.put(factory.getFactoryName(), factory);<a name="line.88"></a> |
| <span class="sourceLineNo">089</span><a name="line.89"></a> |
| <span class="sourceLineNo">090</span> ServiceLocator<ConfigurationAdmin> locator = new ServiceLocator<ConfigurationAdmin>(ConfigurationAdmin<a name="line.90"></a> |
| <span class="sourceLineNo">091</span> .class, m_context);<a name="line.91"></a> |
| <span class="sourceLineNo">092</span> final ConfigurationAdmin admin = locator.get();<a name="line.92"></a> |
| <span class="sourceLineNo">093</span> if (admin == null) {<a name="line.93"></a> |
| <span class="sourceLineNo">094</span> return;<a name="line.94"></a> |
| <span class="sourceLineNo">095</span> }<a name="line.95"></a> |
| <span class="sourceLineNo">096</span><a name="line.96"></a> |
| <span class="sourceLineNo">097</span> List<Configuration> configurations = findFactoryConfiguration(admin, factory);<a name="line.97"></a> |
| <span class="sourceLineNo">098</span> for (Configuration configuration : configurations) {<a name="line.98"></a> |
| <span class="sourceLineNo">099</span> try {<a name="line.99"></a> |
| <span class="sourceLineNo">100</span> factory.updated(configuration.getPid(), configuration.getProperties());<a name="line.100"></a> |
| <span class="sourceLineNo">101</span> } catch (ConfigurationException e) {<a name="line.101"></a> |
| <span class="sourceLineNo">102</span> m_logger.log(Log.ERROR, "Cannot reconfigure instance " + configuration.getPid() + " from " +<a name="line.102"></a> |
| <span class="sourceLineNo">103</span> configuration.getFactoryPid() + " with the configuration : " + configuration.getProperties(),<a name="line.103"></a> |
| <span class="sourceLineNo">104</span> e);<a name="line.104"></a> |
| <span class="sourceLineNo">105</span> }<a name="line.105"></a> |
| <span class="sourceLineNo">106</span> }<a name="line.106"></a> |
| <span class="sourceLineNo">107</span> }<a name="line.107"></a> |
| <span class="sourceLineNo">108</span><a name="line.108"></a> |
| <span class="sourceLineNo">109</span> public synchronized void instanceCreated(ComponentInstance instance) {<a name="line.109"></a> |
| <span class="sourceLineNo">110</span> ServiceLocator<ConfigurationAdmin> locator = new ServiceLocator<ConfigurationAdmin>(ConfigurationAdmin<a name="line.110"></a> |
| <span class="sourceLineNo">111</span> .class, m_context);<a name="line.111"></a> |
| <span class="sourceLineNo">112</span> final ConfigurationAdmin admin = locator.get();<a name="line.112"></a> |
| <span class="sourceLineNo">113</span> if (admin == null) {<a name="line.113"></a> |
| <span class="sourceLineNo">114</span> return;<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> Configuration configuration = findSingletonConfiguration(admin, instance.getInstanceName());<a name="line.117"></a> |
| <span class="sourceLineNo">118</span> if (configuration != null) {<a name="line.118"></a> |
| <span class="sourceLineNo">119</span> Hashtable<String, Object> conf = copyConfiguration(configuration);<a name="line.119"></a> |
| <span class="sourceLineNo">120</span> if (!conf.containsKey(Factory.INSTANCE_NAME_PROPERTY)) {<a name="line.120"></a> |
| <span class="sourceLineNo">121</span> conf.put(Factory.INSTANCE_NAME_PROPERTY, configuration.getPid());<a name="line.121"></a> |
| <span class="sourceLineNo">122</span> }<a name="line.122"></a> |
| <span class="sourceLineNo">123</span> try {<a name="line.123"></a> |
| <span class="sourceLineNo">124</span> instance.getFactory().reconfigure(conf);<a name="line.124"></a> |
| <span class="sourceLineNo">125</span> } catch (UnacceptableConfiguration unacceptableConfiguration) {<a name="line.125"></a> |
| <span class="sourceLineNo">126</span> m_logger.log(Log.ERROR, "Cannot reconfigure the instance " + configuration.getPid() + " - the " +<a name="line.126"></a> |
| <span class="sourceLineNo">127</span> "configuration is unacceptable", unacceptableConfiguration);<a name="line.127"></a> |
| <span class="sourceLineNo">128</span> } catch (MissingHandlerException e) {<a name="line.128"></a> |
| <span class="sourceLineNo">129</span> m_logger.log(Log.ERROR, "Cannot reconfigure the instance " + configuration.getPid() + " - factory is " +<a name="line.129"></a> |
| <span class="sourceLineNo">130</span> "invalid", e);<a name="line.130"></a> |
| <span class="sourceLineNo">131</span> }<a name="line.131"></a> |
| <span class="sourceLineNo">132</span> }<a name="line.132"></a> |
| <span class="sourceLineNo">133</span> }<a name="line.133"></a> |
| <span class="sourceLineNo">134</span><a name="line.134"></a> |
| <span class="sourceLineNo">135</span> public synchronized void unregisterFactory(IPojoFactory factory) {<a name="line.135"></a> |
| <span class="sourceLineNo">136</span> m_factories.remove(factory.getFactoryName());<a name="line.136"></a> |
| <span class="sourceLineNo">137</span> }<a name="line.137"></a> |
| <span class="sourceLineNo">138</span><a name="line.138"></a> |
| <span class="sourceLineNo">139</span> public void configurationEvent(ConfigurationEvent event) {<a name="line.139"></a> |
| <span class="sourceLineNo">140</span> String pid = event.getPid();<a name="line.140"></a> |
| <span class="sourceLineNo">141</span> String factoryPid = event.getFactoryPid();<a name="line.141"></a> |
| <span class="sourceLineNo">142</span><a name="line.142"></a> |
| <span class="sourceLineNo">143</span> if (factoryPid == null) {<a name="line.143"></a> |
| <span class="sourceLineNo">144</span> ComponentInstance instance = retrieveInstance(pid);<a name="line.144"></a> |
| <span class="sourceLineNo">145</span> if (instance != null) {<a name="line.145"></a> |
| <span class="sourceLineNo">146</span> manageConfigurationEventForSingleton(instance, event);<a name="line.146"></a> |
| <span class="sourceLineNo">147</span> }<a name="line.147"></a> |
| <span class="sourceLineNo">148</span> } else {<a name="line.148"></a> |
| <span class="sourceLineNo">149</span> IPojoFactory factory = retrieveFactory(factoryPid);<a name="line.149"></a> |
| <span class="sourceLineNo">150</span> if (factory != null) {<a name="line.150"></a> |
| <span class="sourceLineNo">151</span> manageConfigurationEventForFactory(factory, event);<a name="line.151"></a> |
| <span class="sourceLineNo">152</span> }<a name="line.152"></a> |
| <span class="sourceLineNo">153</span> // Else the factory is unknown, do nothing.<a name="line.153"></a> |
| <span class="sourceLineNo">154</span> }<a name="line.154"></a> |
| <span class="sourceLineNo">155</span><a name="line.155"></a> |
| <span class="sourceLineNo">156</span> }<a name="line.156"></a> |
| <span class="sourceLineNo">157</span><a name="line.157"></a> |
| <span class="sourceLineNo">158</span> private void manageConfigurationEventForFactory(final IPojoFactory factory, final ConfigurationEvent event) {<a name="line.158"></a> |
| <span class="sourceLineNo">159</span> ServiceLocator<ConfigurationAdmin> locator = new ServiceLocator<ConfigurationAdmin>(ConfigurationAdmin<a name="line.159"></a> |
| <span class="sourceLineNo">160</span> .class, m_context);<a name="line.160"></a> |
| <span class="sourceLineNo">161</span><a name="line.161"></a> |
| <span class="sourceLineNo">162</span> switch (event.getType()) {<a name="line.162"></a> |
| <span class="sourceLineNo">163</span> case ConfigurationEvent.CM_DELETED:<a name="line.163"></a> |
| <span class="sourceLineNo">164</span> factory.deleted(event.getPid());<a name="line.164"></a> |
| <span class="sourceLineNo">165</span> break;<a name="line.165"></a> |
| <span class="sourceLineNo">166</span> case ConfigurationEvent.CM_UPDATED:<a name="line.166"></a> |
| <span class="sourceLineNo">167</span> final ConfigurationAdmin admin = locator.get();<a name="line.167"></a> |
| <span class="sourceLineNo">168</span> if (admin == null) {<a name="line.168"></a> |
| <span class="sourceLineNo">169</span> break;<a name="line.169"></a> |
| <span class="sourceLineNo">170</span> }<a name="line.170"></a> |
| <span class="sourceLineNo">171</span> final Configuration config = getConfiguration(admin, event.getPid(),<a name="line.171"></a> |
| <span class="sourceLineNo">172</span> factory.getBundleContext().getBundle());<a name="line.172"></a> |
| <span class="sourceLineNo">173</span> if (config != null) {<a name="line.173"></a> |
| <span class="sourceLineNo">174</span> try {<a name="line.174"></a> |
| <span class="sourceLineNo">175</span> factory.updated(event.getPid(), config.getProperties());<a name="line.175"></a> |
| <span class="sourceLineNo">176</span> } catch (org.osgi.service.cm.ConfigurationException e) {<a name="line.176"></a> |
| <span class="sourceLineNo">177</span> m_logger.log(Log.ERROR, "Cannot reconfigure instance " + event.getPid() + " with the new " +<a name="line.177"></a> |
| <span class="sourceLineNo">178</span> "configuration " + config.getProperties(), e);<a name="line.178"></a> |
| <span class="sourceLineNo">179</span> }<a name="line.179"></a> |
| <span class="sourceLineNo">180</span> }<a name="line.180"></a> |
| <span class="sourceLineNo">181</span> default:<a name="line.181"></a> |
| <span class="sourceLineNo">182</span> // To nothing.<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> locator.unget();<a name="line.185"></a> |
| <span class="sourceLineNo">186</span> }<a name="line.186"></a> |
| <span class="sourceLineNo">187</span><a name="line.187"></a> |
| <span class="sourceLineNo">188</span> private void manageConfigurationEventForSingleton(final ComponentInstance instance,<a name="line.188"></a> |
| <span class="sourceLineNo">189</span> final ConfigurationEvent event) {<a name="line.189"></a> |
| <span class="sourceLineNo">190</span> ServiceLocator<ConfigurationAdmin> locator = new ServiceLocator<ConfigurationAdmin>(ConfigurationAdmin<a name="line.190"></a> |
| <span class="sourceLineNo">191</span> .class, m_context);<a name="line.191"></a> |
| <span class="sourceLineNo">192</span><a name="line.192"></a> |
| <span class="sourceLineNo">193</span> switch (event.getType()) {<a name="line.193"></a> |
| <span class="sourceLineNo">194</span> case ConfigurationEvent.CM_DELETED:<a name="line.194"></a> |
| <span class="sourceLineNo">195</span> instance.dispose();<a name="line.195"></a> |
| <span class="sourceLineNo">196</span> break;<a name="line.196"></a> |
| <span class="sourceLineNo">197</span> case ConfigurationEvent.CM_UPDATED:<a name="line.197"></a> |
| <span class="sourceLineNo">198</span> final ConfigurationAdmin admin = locator.get();<a name="line.198"></a> |
| <span class="sourceLineNo">199</span> if (admin == null) {<a name="line.199"></a> |
| <span class="sourceLineNo">200</span> break;<a name="line.200"></a> |
| <span class="sourceLineNo">201</span> }<a name="line.201"></a> |
| <span class="sourceLineNo">202</span> final Configuration config = getConfiguration(admin, event.getPid(),<a name="line.202"></a> |
| <span class="sourceLineNo">203</span> instance.getFactory().getBundleContext().getBundle());<a name="line.203"></a> |
| <span class="sourceLineNo">204</span> if (config != null) {<a name="line.204"></a> |
| <span class="sourceLineNo">205</span> Hashtable<String, Object> conf = copyConfiguration(config);<a name="line.205"></a> |
| <span class="sourceLineNo">206</span> if (!conf.containsKey(Factory.INSTANCE_NAME_PROPERTY)) {<a name="line.206"></a> |
| <span class="sourceLineNo">207</span> conf.put(Factory.INSTANCE_NAME_PROPERTY, event.getPid());<a name="line.207"></a> |
| <span class="sourceLineNo">208</span> }<a name="line.208"></a> |
| <span class="sourceLineNo">209</span> try {<a name="line.209"></a> |
| <span class="sourceLineNo">210</span> instance.getFactory().reconfigure(conf);<a name="line.210"></a> |
| <span class="sourceLineNo">211</span> } catch (UnacceptableConfiguration unacceptableConfiguration) {<a name="line.211"></a> |
| <span class="sourceLineNo">212</span> m_logger.log(Log.ERROR, "Cannot reconfigure the instance " + event.getPid() + " - the " +<a name="line.212"></a> |
| <span class="sourceLineNo">213</span> "configuration is unacceptable", unacceptableConfiguration);<a name="line.213"></a> |
| <span class="sourceLineNo">214</span> } catch (MissingHandlerException e) {<a name="line.214"></a> |
| <span class="sourceLineNo">215</span> m_logger.log(Log.ERROR, "Cannot reconfigure the instance " + event.getPid() + " - factory is " +<a name="line.215"></a> |
| <span class="sourceLineNo">216</span> "invalid", e);<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> default:<a name="line.219"></a> |
| <span class="sourceLineNo">220</span> // To nothing.<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> locator.unget();<a name="line.223"></a> |
| <span class="sourceLineNo">224</span> }<a name="line.224"></a> |
| <span class="sourceLineNo">225</span><a name="line.225"></a> |
| <span class="sourceLineNo">226</span> private Hashtable<String, Object> copyConfiguration(Configuration config) {<a name="line.226"></a> |
| <span class="sourceLineNo">227</span> Hashtable<String, Object> conf = new Hashtable<String, Object>();<a name="line.227"></a> |
| <span class="sourceLineNo">228</span> // Copy configuration<a name="line.228"></a> |
| <span class="sourceLineNo">229</span> Enumeration keys = config.getProperties().keys();<a name="line.229"></a> |
| <span class="sourceLineNo">230</span> while (keys.hasMoreElements()) {<a name="line.230"></a> |
| <span class="sourceLineNo">231</span> String key = (String) keys.nextElement();<a name="line.231"></a> |
| <span class="sourceLineNo">232</span> conf.put(key, config.getProperties().get(key));<a name="line.232"></a> |
| <span class="sourceLineNo">233</span> }<a name="line.233"></a> |
| <span class="sourceLineNo">234</span> return conf;<a name="line.234"></a> |
| <span class="sourceLineNo">235</span> }<a name="line.235"></a> |
| <span class="sourceLineNo">236</span><a name="line.236"></a> |
| <span class="sourceLineNo">237</span> private IPojoFactory retrieveFactory(String factoryPid) {<a name="line.237"></a> |
| <span class="sourceLineNo">238</span> synchronized (this) {<a name="line.238"></a> |
| <span class="sourceLineNo">239</span> return m_factories.get(factoryPid);<a name="line.239"></a> |
| <span class="sourceLineNo">240</span> }<a name="line.240"></a> |
| <span class="sourceLineNo">241</span> }<a name="line.241"></a> |
| <span class="sourceLineNo">242</span><a name="line.242"></a> |
| <span class="sourceLineNo">243</span> private ComponentInstance retrieveInstance(String instanceName) {<a name="line.243"></a> |
| <span class="sourceLineNo">244</span> Collection<IPojoFactory> factories;<a name="line.244"></a> |
| <span class="sourceLineNo">245</span> synchronized (this) {<a name="line.245"></a> |
| <span class="sourceLineNo">246</span> factories = m_factories.values();<a name="line.246"></a> |
| <span class="sourceLineNo">247</span> }<a name="line.247"></a> |
| <span class="sourceLineNo">248</span> for (IPojoFactory factory : factories) {<a name="line.248"></a> |
| <span class="sourceLineNo">249</span> ComponentInstance instance = factory.getInstanceByName(instanceName);<a name="line.249"></a> |
| <span class="sourceLineNo">250</span> if (instance != null) {<a name="line.250"></a> |
| <span class="sourceLineNo">251</span> return instance;<a name="line.251"></a> |
| <span class="sourceLineNo">252</span> }<a name="line.252"></a> |
| <span class="sourceLineNo">253</span> }<a name="line.253"></a> |
| <span class="sourceLineNo">254</span> return null;<a name="line.254"></a> |
| <span class="sourceLineNo">255</span> }<a name="line.255"></a> |
| <span class="sourceLineNo">256</span><a name="line.256"></a> |
| <span class="sourceLineNo">257</span> private Configuration getConfiguration(final ConfigurationAdmin admin, final String pid,<a name="line.257"></a> |
| <span class="sourceLineNo">258</span> final Bundle bundle) {<a name="line.258"></a> |
| <span class="sourceLineNo">259</span> if (admin == null) {<a name="line.259"></a> |
| <span class="sourceLineNo">260</span> return null;<a name="line.260"></a> |
| <span class="sourceLineNo">261</span> }<a name="line.261"></a> |
| <span class="sourceLineNo">262</span><a name="line.262"></a> |
| <span class="sourceLineNo">263</span> try {<a name="line.263"></a> |
| <span class="sourceLineNo">264</span> // Even if it is possible, we don't build the filter with bundle.location to detect the case where the<a name="line.264"></a> |
| <span class="sourceLineNo">265</span> // configuration exists but can't be managed by iPOJO.<a name="line.265"></a> |
| <span class="sourceLineNo">266</span> final Configuration cfg = admin.getConfiguration(pid);<a name="line.266"></a> |
| <span class="sourceLineNo">267</span> final String bundleLocation = bundle.getLocation();<a name="line.267"></a> |
| <span class="sourceLineNo">268</span> if (cfg.getBundleLocation() == null || bundleLocation.equals(cfg.getBundleLocation())<a name="line.268"></a> |
| <span class="sourceLineNo">269</span> || m_context.getBundle().getLocation().equals(cfg.getBundleLocation())) {<a name="line.269"></a> |
| <span class="sourceLineNo">270</span> cfg.setBundleLocation(bundleLocation);<a name="line.270"></a> |
| <span class="sourceLineNo">271</span> return cfg;<a name="line.271"></a> |
| <span class="sourceLineNo">272</span> }<a name="line.272"></a> |
| <span class="sourceLineNo">273</span><a name="line.273"></a> |
| <span class="sourceLineNo">274</span> // Multi-location<a name="line.274"></a> |
| <span class="sourceLineNo">275</span> if (cfg.getBundleLocation().startsWith("?")) {<a name="line.275"></a> |
| <span class="sourceLineNo">276</span> if (bundle.hasPermission(new ConfigurationPermission(cfg.getBundleLocation(), "target"))) {<a name="line.276"></a> |
| <span class="sourceLineNo">277</span> return cfg;<a name="line.277"></a> |
| <span class="sourceLineNo">278</span> }<a name="line.278"></a> |
| <span class="sourceLineNo">279</span> }<a name="line.279"></a> |
| <span class="sourceLineNo">280</span><a name="line.280"></a> |
| <span class="sourceLineNo">281</span> // configuration belongs to another bundle, cannot be used here<a name="line.281"></a> |
| <span class="sourceLineNo">282</span> m_logger.log(Log.ERROR, "Cannot use configuration pid=" + pid + " for bundle "<a name="line.282"></a> |
| <span class="sourceLineNo">283</span> + bundleLocation + " because it belongs to bundle " + cfg.getBundleLocation());<a name="line.283"></a> |
| <span class="sourceLineNo">284</span> } catch (IOException ioe) {<a name="line.284"></a> |
| <span class="sourceLineNo">285</span> m_logger.log(Log.WARNING, "Failed reading configuration for pid=" + pid, ioe);<a name="line.285"></a> |
| <span class="sourceLineNo">286</span> }<a name="line.286"></a> |
| <span class="sourceLineNo">287</span><a name="line.287"></a> |
| <span class="sourceLineNo">288</span> return null;<a name="line.288"></a> |
| <span class="sourceLineNo">289</span> }<a name="line.289"></a> |
| <span class="sourceLineNo">290</span><a name="line.290"></a> |
| <span class="sourceLineNo">291</span> public List<Configuration> findFactoryConfiguration(final ConfigurationAdmin admin, final IPojoFactory factory) {<a name="line.291"></a> |
| <span class="sourceLineNo">292</span> final String filter = "(service.factoryPid=" + factory.getFactoryName() + ")";<a name="line.292"></a> |
| <span class="sourceLineNo">293</span> return findConfigurations(admin, filter);<a name="line.293"></a> |
| <span class="sourceLineNo">294</span> }<a name="line.294"></a> |
| <span class="sourceLineNo">295</span><a name="line.295"></a> |
| <span class="sourceLineNo">296</span> public Configuration findSingletonConfiguration(final ConfigurationAdmin admin, final String pid) {<a name="line.296"></a> |
| <span class="sourceLineNo">297</span> final String filter = "(service.pid=" + pid + ")";<a name="line.297"></a> |
| <span class="sourceLineNo">298</span> List<Configuration> list = findConfigurations(admin, filter);<a name="line.298"></a> |
| <span class="sourceLineNo">299</span> if (list.isEmpty()) {<a name="line.299"></a> |
| <span class="sourceLineNo">300</span> return null;<a name="line.300"></a> |
| <span class="sourceLineNo">301</span> } else {<a name="line.301"></a> |
| <span class="sourceLineNo">302</span> return list.get(0);<a name="line.302"></a> |
| <span class="sourceLineNo">303</span> }<a name="line.303"></a> |
| <span class="sourceLineNo">304</span> }<a name="line.304"></a> |
| <span class="sourceLineNo">305</span><a name="line.305"></a> |
| <span class="sourceLineNo">306</span> private List<Configuration> findConfigurations(final ConfigurationAdmin admin, final String filter) {<a name="line.306"></a> |
| <span class="sourceLineNo">307</span> List<Configuration> configurations = Collections.emptyList();<a name="line.307"></a> |
| <span class="sourceLineNo">308</span> if (admin == null) {<a name="line.308"></a> |
| <span class="sourceLineNo">309</span> return configurations;<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> try {<a name="line.312"></a> |
| <span class="sourceLineNo">313</span> Configuration[] list = admin.listConfigurations(filter);<a name="line.313"></a> |
| <span class="sourceLineNo">314</span> if (list == null) {<a name="line.314"></a> |
| <span class="sourceLineNo">315</span> return configurations;<a name="line.315"></a> |
| <span class="sourceLineNo">316</span> } else {<a name="line.316"></a> |
| <span class="sourceLineNo">317</span> return Arrays.asList(list);<a name="line.317"></a> |
| <span class="sourceLineNo">318</span> }<a name="line.318"></a> |
| <span class="sourceLineNo">319</span> } catch (InvalidSyntaxException e) {<a name="line.319"></a> |
| <span class="sourceLineNo">320</span> m_logger.log(Log.ERROR, "Invalid Configuration selection filter " + filter, e);<a name="line.320"></a> |
| <span class="sourceLineNo">321</span> } catch (IOException e) {<a name="line.321"></a> |
| <span class="sourceLineNo">322</span> m_logger.log(Log.ERROR, "Error when retrieving configurations for filter=" + filter, e);<a name="line.322"></a> |
| <span class="sourceLineNo">323</span> }<a name="line.323"></a> |
| <span class="sourceLineNo">324</span> return configurations;<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> |
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| </pre> |
| </div> |
| </body> |
| </html> |
