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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.context;<a name="line.19"></a> |
| <span class="sourceLineNo">020</span><a name="line.20"></a> |
| <span class="sourceLineNo">021</span>import java.util.ArrayList;<a name="line.21"></a> |
| <span class="sourceLineNo">022</span>import java.util.Dictionary;<a name="line.22"></a> |
| <span class="sourceLineNo">023</span>import java.util.List;<a name="line.23"></a> |
| <span class="sourceLineNo">024</span><a name="line.24"></a> |
| <span class="sourceLineNo">025</span>import org.apache.felix.ipojo.ComponentInstance;<a name="line.25"></a> |
| <span class="sourceLineNo">026</span>import org.apache.felix.ipojo.util.Logger;<a name="line.26"></a> |
| <span class="sourceLineNo">027</span>import org.osgi.framework.BundleContext;<a name="line.27"></a> |
| <span class="sourceLineNo">028</span>import org.osgi.framework.Constants;<a name="line.28"></a> |
| <span class="sourceLineNo">029</span>import org.osgi.framework.Filter;<a name="line.29"></a> |
| <span class="sourceLineNo">030</span>import org.osgi.framework.InvalidSyntaxException;<a name="line.30"></a> |
| <span class="sourceLineNo">031</span>import org.osgi.framework.ServiceEvent;<a name="line.31"></a> |
| <span class="sourceLineNo">032</span>import org.osgi.framework.ServiceListener;<a name="line.32"></a> |
| <span class="sourceLineNo">033</span>import org.osgi.framework.ServiceReference;<a name="line.33"></a> |
| <span class="sourceLineNo">034</span>import org.osgi.framework.ServiceRegistration;<a name="line.34"></a> |
| <span class="sourceLineNo">035</span><a name="line.35"></a> |
| <span class="sourceLineNo">036</span>/**<a name="line.36"></a> |
| <span class="sourceLineNo">037</span> * Internal Service Registry. This class is used for in the composition.<a name="line.37"></a> |
| <span class="sourceLineNo">038</span> * <a name="line.38"></a> |
| <span class="sourceLineNo">039</span> * @author <a href="mailto:dev@felix.apache.org">Felix Project Team</a><a name="line.39"></a> |
| <span class="sourceLineNo">040</span> */<a name="line.40"></a> |
| <span class="sourceLineNo">041</span>public class ServiceRegistry {<a name="line.41"></a> |
| <span class="sourceLineNo">042</span><a name="line.42"></a> |
| <span class="sourceLineNo">043</span> /**<a name="line.43"></a> |
| <span class="sourceLineNo">044</span> * Service Id index.<a name="line.44"></a> |
| <span class="sourceLineNo">045</span> */<a name="line.45"></a> |
| <span class="sourceLineNo">046</span> private long m_serviceId = 1L;<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> * List of service listeners.<a name="line.49"></a> |
| <span class="sourceLineNo">050</span> */<a name="line.50"></a> |
| <span class="sourceLineNo">051</span> private List m_listeners = new ArrayList(); // ListenerInfo List<a name="line.51"></a> |
| <span class="sourceLineNo">052</span><a name="line.52"></a> |
| <span class="sourceLineNo">053</span> /**<a name="line.53"></a> |
| <span class="sourceLineNo">054</span> * List of service registration.<a name="line.54"></a> |
| <span class="sourceLineNo">055</span> */<a name="line.55"></a> |
| <span class="sourceLineNo">056</span> private List m_regs = new ArrayList();<a name="line.56"></a> |
| <span class="sourceLineNo">057</span><a name="line.57"></a> |
| <span class="sourceLineNo">058</span> /**<a name="line.58"></a> |
| <span class="sourceLineNo">059</span> * A "real" bundle context to create LDAP filter.<a name="line.59"></a> |
| <span class="sourceLineNo">060</span> */<a name="line.60"></a> |
| <span class="sourceLineNo">061</span> private BundleContext m_context; // BundleContext to create Filter<a name="line.61"></a> |
| <span class="sourceLineNo">062</span> <a name="line.62"></a> |
| <span class="sourceLineNo">063</span> /**<a name="line.63"></a> |
| <span class="sourceLineNo">064</span> * Registry logger.<a name="line.64"></a> |
| <span class="sourceLineNo">065</span> */<a name="line.65"></a> |
| <span class="sourceLineNo">066</span> private Logger m_logger;<a name="line.66"></a> |
| <span class="sourceLineNo">067</span><a name="line.67"></a> |
| <span class="sourceLineNo">068</span> /**<a name="line.68"></a> |
| <span class="sourceLineNo">069</span> * Listener info structure.<a name="line.69"></a> |
| <span class="sourceLineNo">070</span> */<a name="line.70"></a> |
| <span class="sourceLineNo">071</span> private static class ListenerInfo {<a name="line.71"></a> |
| <span class="sourceLineNo">072</span> /**<a name="line.72"></a> |
| <span class="sourceLineNo">073</span> * Listener object.<a name="line.73"></a> |
| <span class="sourceLineNo">074</span> */<a name="line.74"></a> |
| <span class="sourceLineNo">075</span> private ServiceListener m_listener;<a name="line.75"></a> |
| <span class="sourceLineNo">076</span> /**<a name="line.76"></a> |
| <span class="sourceLineNo">077</span> * Filter associated with the filter.<a name="line.77"></a> |
| <span class="sourceLineNo">078</span> */<a name="line.78"></a> |
| <span class="sourceLineNo">079</span> private Filter m_filter;<a name="line.79"></a> |
| <span class="sourceLineNo">080</span> }<a name="line.80"></a> |
| <span class="sourceLineNo">081</span><a name="line.81"></a> |
| <span class="sourceLineNo">082</span> /**<a name="line.82"></a> |
| <span class="sourceLineNo">083</span> * Constructor.<a name="line.83"></a> |
| <span class="sourceLineNo">084</span> * <a name="line.84"></a> |
| <span class="sourceLineNo">085</span> * @param context : bundle context.<a name="line.85"></a> |
| <span class="sourceLineNo">086</span> */<a name="line.86"></a> |
| <span class="sourceLineNo">087</span> public ServiceRegistry(BundleContext context) {<a name="line.87"></a> |
| <span class="sourceLineNo">088</span> m_context = context;<a name="line.88"></a> |
| <span class="sourceLineNo">089</span> m_logger = new Logger(m_context, "Registry logger " + m_context.getBundle().getBundleId());<a name="line.89"></a> |
| <span class="sourceLineNo">090</span> }<a name="line.90"></a> |
| <span class="sourceLineNo">091</span><a name="line.91"></a> |
| <span class="sourceLineNo">092</span> /**<a name="line.92"></a> |
| <span class="sourceLineNo">093</span> * Add a given service listener with no filter.<a name="line.93"></a> |
| <span class="sourceLineNo">094</span> * <a name="line.94"></a> |
| <span class="sourceLineNo">095</span> * @param arg0 : the service listener to add<a name="line.95"></a> |
| <span class="sourceLineNo">096</span> */<a name="line.96"></a> |
| <span class="sourceLineNo">097</span> public void addServiceListener(ServiceListener arg0) {<a name="line.97"></a> |
| <span class="sourceLineNo">098</span> ListenerInfo info = new ListenerInfo();<a name="line.98"></a> |
| <span class="sourceLineNo">099</span> info.m_listener = arg0;<a name="line.99"></a> |
| <span class="sourceLineNo">100</span> info.m_filter = null;<a name="line.100"></a> |
| <span class="sourceLineNo">101</span> m_listeners.add(info);<a name="line.101"></a> |
| <span class="sourceLineNo">102</span> }<a name="line.102"></a> |
| <span class="sourceLineNo">103</span><a name="line.103"></a> |
| <span class="sourceLineNo">104</span> /**<a name="line.104"></a> |
| <span class="sourceLineNo">105</span> * Unget a service.<a name="line.105"></a> |
| <span class="sourceLineNo">106</span> * <a name="line.106"></a> |
| <span class="sourceLineNo">107</span> * @param instance : instance releasing the service.<a name="line.107"></a> |
| <span class="sourceLineNo">108</span> * @param ref : released reference.<a name="line.108"></a> |
| <span class="sourceLineNo">109</span> * @return true if the unget success<a name="line.109"></a> |
| <span class="sourceLineNo">110</span> */<a name="line.110"></a> |
| <span class="sourceLineNo">111</span> public boolean ungetService(ComponentInstance instance, ServiceReference ref) {<a name="line.111"></a> |
| <span class="sourceLineNo">112</span><a name="line.112"></a> |
| <span class="sourceLineNo">113</span> ServiceRegistrationImpl reg = ((ServiceReferenceImpl) ref).getServiceRegistration();<a name="line.113"></a> |
| <span class="sourceLineNo">114</span> if (reg.isValid()) {<a name="line.114"></a> |
| <span class="sourceLineNo">115</span> reg.ungetService(instance, reg.getService());<a name="line.115"></a> |
| <span class="sourceLineNo">116</span> return true;<a name="line.116"></a> |
| <span class="sourceLineNo">117</span> } else {<a name="line.117"></a> |
| <span class="sourceLineNo">118</span> return false;<a name="line.118"></a> |
| <span class="sourceLineNo">119</span> }<a name="line.119"></a> |
| <span class="sourceLineNo">120</span> }<a name="line.120"></a> |
| <span class="sourceLineNo">121</span><a name="line.121"></a> |
| <span class="sourceLineNo">122</span> /**<a name="line.122"></a> |
| <span class="sourceLineNo">123</span> * Unregister a service listener.<a name="line.123"></a> |
| <span class="sourceLineNo">124</span> * <a name="line.124"></a> |
| <span class="sourceLineNo">125</span> * @param arg0 : the service listener to remove<a name="line.125"></a> |
| <span class="sourceLineNo">126</span> */<a name="line.126"></a> |
| <span class="sourceLineNo">127</span> public void removeServiceListener(ServiceListener arg0) {<a name="line.127"></a> |
| <span class="sourceLineNo">128</span> m_listeners.remove(arg0);<a name="line.128"></a> |
| <span class="sourceLineNo">129</span> }<a name="line.129"></a> |
| <span class="sourceLineNo">130</span><a name="line.130"></a> |
| <span class="sourceLineNo">131</span> /**<a name="line.131"></a> |
| <span class="sourceLineNo">132</span> * Register a service.<a name="line.132"></a> |
| <span class="sourceLineNo">133</span> * <a name="line.133"></a> |
| <span class="sourceLineNo">134</span> * @param instance : provider instance.<a name="line.134"></a> |
| <span class="sourceLineNo">135</span> * @param clazz : provided interface.<a name="line.135"></a> |
| <span class="sourceLineNo">136</span> * @param svcObj : service object of service factory object.<a name="line.136"></a> |
| <span class="sourceLineNo">137</span> * @param dict : service properties.<a name="line.137"></a> |
| <span class="sourceLineNo">138</span> * @return the created service registration.<a name="line.138"></a> |
| <span class="sourceLineNo">139</span> */<a name="line.139"></a> |
| <span class="sourceLineNo">140</span> public ServiceRegistration registerService(ComponentInstance instance, String clazz, Object svcObj, Dictionary dict) {<a name="line.140"></a> |
| <span class="sourceLineNo">141</span> synchronized (m_regs) {<a name="line.141"></a> |
| <span class="sourceLineNo">142</span> ServiceRegistrationImpl reg = new ServiceRegistrationImpl(this, instance, new String[] { clazz }, new Long(m_serviceId++), svcObj, dict);<a name="line.142"></a> |
| <span class="sourceLineNo">143</span> m_regs.add(reg);<a name="line.143"></a> |
| <span class="sourceLineNo">144</span> fireServiceChanged(new ServiceEvent(ServiceEvent.REGISTERED, reg.getReference()));<a name="line.144"></a> |
| <span class="sourceLineNo">145</span> return reg;<a name="line.145"></a> |
| <span class="sourceLineNo">146</span> }<a name="line.146"></a> |
| <span class="sourceLineNo">147</span> }<a name="line.147"></a> |
| <span class="sourceLineNo">148</span><a name="line.148"></a> |
| <span class="sourceLineNo">149</span> /**<a name="line.149"></a> |
| <span class="sourceLineNo">150</span> * Register a service.<a name="line.150"></a> |
| <span class="sourceLineNo">151</span> * <a name="line.151"></a> |
| <span class="sourceLineNo">152</span> * @param instance : provider instance.<a name="line.152"></a> |
| <span class="sourceLineNo">153</span> * @param clazzes : provided interfaces.<a name="line.153"></a> |
| <span class="sourceLineNo">154</span> * @param svcObj : service object of service factory object.<a name="line.154"></a> |
| <span class="sourceLineNo">155</span> * @param dict : service properties.<a name="line.155"></a> |
| <span class="sourceLineNo">156</span> * @return the created service registration.<a name="line.156"></a> |
| <span class="sourceLineNo">157</span> */<a name="line.157"></a> |
| <span class="sourceLineNo">158</span> public ServiceRegistration registerService(ComponentInstance instance, String[] clazzes, Object svcObj, Dictionary dict) {<a name="line.158"></a> |
| <span class="sourceLineNo">159</span> synchronized (m_regs) {<a name="line.159"></a> |
| <span class="sourceLineNo">160</span> ServiceRegistrationImpl reg = new ServiceRegistrationImpl(this, instance, clazzes, new Long(m_serviceId++), svcObj, dict);<a name="line.160"></a> |
| <span class="sourceLineNo">161</span> m_regs.add(reg);<a name="line.161"></a> |
| <span class="sourceLineNo">162</span> fireServiceChanged(new ServiceEvent(ServiceEvent.REGISTERED, reg.getReference()));<a name="line.162"></a> |
| <span class="sourceLineNo">163</span> return reg;<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><a name="line.166"></a> |
| <span class="sourceLineNo">167</span> /**<a name="line.167"></a> |
| <span class="sourceLineNo">168</span> * Dispatch a service event.<a name="line.168"></a> |
| <span class="sourceLineNo">169</span> * @param event : the service to dispatch<a name="line.169"></a> |
| <span class="sourceLineNo">170</span> */<a name="line.170"></a> |
| <span class="sourceLineNo">171</span> private void fireServiceChanged(ServiceEvent event) {<a name="line.171"></a> |
| <span class="sourceLineNo">172</span> synchronized (m_listeners) {<a name="line.172"></a> |
| <span class="sourceLineNo">173</span> // Iterate on the service listener list to notify service listener<a name="line.173"></a> |
| <span class="sourceLineNo">174</span> for (int i = 0; i < m_listeners.size(); i++) {<a name="line.174"></a> |
| <span class="sourceLineNo">175</span> ListenerInfo info = (ListenerInfo) m_listeners.get(i);<a name="line.175"></a> |
| <span class="sourceLineNo">176</span> ServiceReference ref = event.getServiceReference();<a name="line.176"></a> |
| <span class="sourceLineNo">177</span> if (info.m_filter == null) {<a name="line.177"></a> |
| <span class="sourceLineNo">178</span> info.m_listener.serviceChanged(event);<a name="line.178"></a> |
| <span class="sourceLineNo">179</span> }<a name="line.179"></a> |
| <span class="sourceLineNo">180</span> Dictionary props = ((ServiceReferenceImpl) ref).getProperties();<a name="line.180"></a> |
| <span class="sourceLineNo">181</span> if (info.m_filter != null && info.m_filter.match(props)) {<a name="line.181"></a> |
| <span class="sourceLineNo">182</span> info.m_listener.serviceChanged(event);<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> }<a name="line.186"></a> |
| <span class="sourceLineNo">187</span><a name="line.187"></a> |
| <span class="sourceLineNo">188</span> /**<a name="line.188"></a> |
| <span class="sourceLineNo">189</span> * Get available (and accessible) service references.<a name="line.189"></a> |
| <span class="sourceLineNo">190</span> * <a name="line.190"></a> |
| <span class="sourceLineNo">191</span> * @param className : required interface<a name="line.191"></a> |
| <span class="sourceLineNo">192</span> * @param expr : LDAP filter<a name="line.192"></a> |
| <span class="sourceLineNo">193</span> * @return : the list of available service references.<a name="line.193"></a> |
| <span class="sourceLineNo">194</span> * @throws InvalidSyntaxException<a name="line.194"></a> |
| <span class="sourceLineNo">195</span> * occurs when the LDAP filter is malformed.<a name="line.195"></a> |
| <span class="sourceLineNo">196</span> */<a name="line.196"></a> |
| <span class="sourceLineNo">197</span> public ServiceReference[] getServiceReferences(String className, String expr) throws InvalidSyntaxException {<a name="line.197"></a> |
| <span class="sourceLineNo">198</span> synchronized (m_regs) {<a name="line.198"></a> |
| <span class="sourceLineNo">199</span> // Define filter if expression is not null.<a name="line.199"></a> |
| <span class="sourceLineNo">200</span> Filter filter = null;<a name="line.200"></a> |
| <span class="sourceLineNo">201</span> if (expr != null) {<a name="line.201"></a> |
| <span class="sourceLineNo">202</span> filter = m_context.createFilter(expr);<a name="line.202"></a> |
| <span class="sourceLineNo">203</span> }<a name="line.203"></a> |
| <span class="sourceLineNo">204</span><a name="line.204"></a> |
| <span class="sourceLineNo">205</span> List refs = new ArrayList();<a name="line.205"></a> |
| <span class="sourceLineNo">206</span><a name="line.206"></a> |
| <span class="sourceLineNo">207</span> for (int i = 0; i < m_regs.size(); i++) {<a name="line.207"></a> |
| <span class="sourceLineNo">208</span> ServiceRegistrationImpl reg = (ServiceRegistrationImpl) m_regs.get(i);<a name="line.208"></a> |
| <span class="sourceLineNo">209</span> // Determine if the registered services matches the search<a name="line.209"></a> |
| <span class="sourceLineNo">210</span> // criteria.<a name="line.210"></a> |
| <span class="sourceLineNo">211</span> boolean matched = false;<a name="line.211"></a> |
| <span class="sourceLineNo">212</span><a name="line.212"></a> |
| <span class="sourceLineNo">213</span> // If className is null, then look at filter only.<a name="line.213"></a> |
| <span class="sourceLineNo">214</span> if ((className == null) && ((filter == null) || filter.match(reg.getProperties()))) {<a name="line.214"></a> |
| <span class="sourceLineNo">215</span> matched = true;<a name="line.215"></a> |
| <span class="sourceLineNo">216</span> } else if (className != null) {<a name="line.216"></a> |
| <span class="sourceLineNo">217</span> // If className is not null, then first match the<a name="line.217"></a> |
| <span class="sourceLineNo">218</span> // objectClass property before looking at the<a name="line.218"></a> |
| <span class="sourceLineNo">219</span> // filter.<a name="line.219"></a> |
| <span class="sourceLineNo">220</span> Dictionary props = ((ServiceRegistrationImpl) reg).getProperties();<a name="line.220"></a> |
| <span class="sourceLineNo">221</span> String[] objectClass = (String[]) props.get(Constants.OBJECTCLASS);<a name="line.221"></a> |
| <span class="sourceLineNo">222</span> for (int classIdx = 0; classIdx < objectClass.length; classIdx++) {<a name="line.222"></a> |
| <span class="sourceLineNo">223</span> if (objectClass[classIdx].equals(className) && ((filter == null) || filter.match(props))) {<a name="line.223"></a> |
| <span class="sourceLineNo">224</span> matched = true;<a name="line.224"></a> |
| <span class="sourceLineNo">225</span> break;<a name="line.225"></a> |
| <span class="sourceLineNo">226</span> }<a name="line.226"></a> |
| <span class="sourceLineNo">227</span> }<a name="line.227"></a> |
| <span class="sourceLineNo">228</span> }<a name="line.228"></a> |
| <span class="sourceLineNo">229</span><a name="line.229"></a> |
| <span class="sourceLineNo">230</span> // Add reference if it was a match.<a name="line.230"></a> |
| <span class="sourceLineNo">231</span> if (matched) {<a name="line.231"></a> |
| <span class="sourceLineNo">232</span> refs.add(reg.getReference());<a name="line.232"></a> |
| <span class="sourceLineNo">233</span> }<a name="line.233"></a> |
| <span class="sourceLineNo">234</span> }<a name="line.234"></a> |
| <span class="sourceLineNo">235</span><a name="line.235"></a> |
| <span class="sourceLineNo">236</span> if (! refs.isEmpty()) {<a name="line.236"></a> |
| <span class="sourceLineNo">237</span> return (ServiceReference[]) refs.toArray(new ServiceReference[refs.size()]);<a name="line.237"></a> |
| <span class="sourceLineNo">238</span> }<a name="line.238"></a> |
| <span class="sourceLineNo">239</span> return null;<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> /**<a name="line.243"></a> |
| <span class="sourceLineNo">244</span> * Look for a service reference.<a name="line.244"></a> |
| <span class="sourceLineNo">245</span> * <a name="line.245"></a> |
| <span class="sourceLineNo">246</span> * @param clazz : required interface.<a name="line.246"></a> |
| <span class="sourceLineNo">247</span> * @return the first available provider or null if none available.<a name="line.247"></a> |
| <span class="sourceLineNo">248</span> */<a name="line.248"></a> |
| <span class="sourceLineNo">249</span> public ServiceReference getServiceReference(String clazz) {<a name="line.249"></a> |
| <span class="sourceLineNo">250</span> synchronized (m_regs) {<a name="line.250"></a> |
| <span class="sourceLineNo">251</span> try {<a name="line.251"></a> |
| <span class="sourceLineNo">252</span> ServiceReference[] refs = getServiceReferences(clazz, null);<a name="line.252"></a> |
| <span class="sourceLineNo">253</span> if (refs != null) {<a name="line.253"></a> |
| <span class="sourceLineNo">254</span> return refs[0];<a name="line.254"></a> |
| <span class="sourceLineNo">255</span> } // If the refs != null we are sure that it exists one reference or more.<a name="line.255"></a> |
| <span class="sourceLineNo">256</span> } catch (InvalidSyntaxException ex) {<a name="line.256"></a> |
| <span class="sourceLineNo">257</span> // Cannot happen : null filter.<a name="line.257"></a> |
| <span class="sourceLineNo">258</span> }<a name="line.258"></a> |
| <span class="sourceLineNo">259</span> return null;<a name="line.259"></a> |
| <span class="sourceLineNo">260</span> }<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> /**<a name="line.263"></a> |
| <span class="sourceLineNo">264</span> * Get a service object.<a name="line.264"></a> |
| <span class="sourceLineNo">265</span> * @param instance : component instance requiring the service.<a name="line.265"></a> |
| <span class="sourceLineNo">266</span> * @param ref : the required reference.<a name="line.266"></a> |
| <span class="sourceLineNo">267</span> * @return the service object.<a name="line.267"></a> |
| <span class="sourceLineNo">268</span> */<a name="line.268"></a> |
| <span class="sourceLineNo">269</span> public Object getService(ComponentInstance instance, ServiceReference ref) {<a name="line.269"></a> |
| <span class="sourceLineNo">270</span> synchronized (m_regs) {<a name="line.270"></a> |
| <span class="sourceLineNo">271</span> // Look for the service registration for this ref<a name="line.271"></a> |
| <span class="sourceLineNo">272</span> ServiceRegistrationImpl reg = ((ServiceReferenceImpl) ref).getServiceRegistration();<a name="line.272"></a> |
| <span class="sourceLineNo">273</span> if (reg.isValid()) {<a name="line.273"></a> |
| <span class="sourceLineNo">274</span> // Delegate the service providing to the service registration<a name="line.274"></a> |
| <span class="sourceLineNo">275</span> return reg.getService();<a name="line.275"></a> |
| <span class="sourceLineNo">276</span> } else {<a name="line.276"></a> |
| <span class="sourceLineNo">277</span> return null;<a name="line.277"></a> |
| <span class="sourceLineNo">278</span> }<a name="line.278"></a> |
| <span class="sourceLineNo">279</span> }<a name="line.279"></a> |
| <span class="sourceLineNo">280</span> }<a name="line.280"></a> |
| <span class="sourceLineNo">281</span><a name="line.281"></a> |
| <span class="sourceLineNo">282</span> /**<a name="line.282"></a> |
| <span class="sourceLineNo">283</span> * Get all service references consistent with the given interface and<a name="line.283"></a> |
| <span class="sourceLineNo">284</span> * filter.<a name="line.284"></a> |
| <span class="sourceLineNo">285</span> * @param clazz : the required interface.<a name="line.285"></a> |
| <span class="sourceLineNo">286</span> * @param filter : the LDAP filter.<a name="line.286"></a> |
| <span class="sourceLineNo">287</span> * @return the list of all service reference or null if none available.<a name="line.287"></a> |
| <span class="sourceLineNo">288</span> * @throws InvalidSyntaxException occurs when the LDAP filter is malformed.<a name="line.288"></a> |
| <span class="sourceLineNo">289</span> */<a name="line.289"></a> |
| <span class="sourceLineNo">290</span> public ServiceReference[] getAllServiceReferences(String clazz, String filter) throws InvalidSyntaxException {<a name="line.290"></a> |
| <span class="sourceLineNo">291</span> synchronized (m_regs) {<a name="line.291"></a> |
| <span class="sourceLineNo">292</span> // Can delegate on getServiceReference, indeed their is no test on<a name="line.292"></a> |
| <span class="sourceLineNo">293</span> // the "modularity" conflict.<a name="line.293"></a> |
| <span class="sourceLineNo">294</span> return getServiceReferences(clazz, filter);<a name="line.294"></a> |
| <span class="sourceLineNo">295</span> }<a name="line.295"></a> |
| <span class="sourceLineNo">296</span> }<a name="line.296"></a> |
| <span class="sourceLineNo">297</span><a name="line.297"></a> |
| <span class="sourceLineNo">298</span> /**<a name="line.298"></a> |
| <span class="sourceLineNo">299</span> * Add a service listener with a filter.<a name="line.299"></a> |
| <span class="sourceLineNo">300</span> * @param listener : the service listener to add<a name="line.300"></a> |
| <span class="sourceLineNo">301</span> * @param filter : LDAP filter<a name="line.301"></a> |
| <span class="sourceLineNo">302</span> */<a name="line.302"></a> |
| <span class="sourceLineNo">303</span> public void addServiceListener(ServiceListener listener, String filter) {<a name="line.303"></a> |
| <span class="sourceLineNo">304</span> // If the filter is null, subscribe with no filter.<a name="line.304"></a> |
| <span class="sourceLineNo">305</span> if (filter == null) {<a name="line.305"></a> |
| <span class="sourceLineNo">306</span> addServiceListener(listener);<a name="line.306"></a> |
| <span class="sourceLineNo">307</span> return;<a name="line.307"></a> |
| <span class="sourceLineNo">308</span> }<a name="line.308"></a> |
| <span class="sourceLineNo">309</span> <a name="line.309"></a> |
| <span class="sourceLineNo">310</span> try {<a name="line.310"></a> |
| <span class="sourceLineNo">311</span> ListenerInfo info = new ListenerInfo();<a name="line.311"></a> |
| <span class="sourceLineNo">312</span> info.m_listener = listener;<a name="line.312"></a> |
| <span class="sourceLineNo">313</span> info.m_filter = m_context.createFilter(filter);<a name="line.313"></a> |
| <span class="sourceLineNo">314</span> m_listeners.add(info);<a name="line.314"></a> |
| <span class="sourceLineNo">315</span> } catch (InvalidSyntaxException ex) {<a name="line.315"></a> |
| <span class="sourceLineNo">316</span> m_logger.log(Logger.ERROR, ex.getMessage(), ex);<a name="line.316"></a> |
| <span class="sourceLineNo">317</span> }<a name="line.317"></a> |
| <span class="sourceLineNo">318</span> <a name="line.318"></a> |
| <span class="sourceLineNo">319</span> }<a name="line.319"></a> |
| <span class="sourceLineNo">320</span><a name="line.320"></a> |
| <span class="sourceLineNo">321</span> /**<a name="line.321"></a> |
| <span class="sourceLineNo">322</span> * Dispatch a service properties modified event.<a name="line.322"></a> |
| <span class="sourceLineNo">323</span> * @param reg : the implicated service registration.<a name="line.323"></a> |
| <span class="sourceLineNo">324</span> */<a name="line.324"></a> |
| <span class="sourceLineNo">325</span> public void servicePropertiesModified(ServiceRegistrationImpl reg) {<a name="line.325"></a> |
| <span class="sourceLineNo">326</span> fireServiceChanged(new ServiceEvent(ServiceEvent.MODIFIED, reg.getReference()));<a name="line.326"></a> |
| <span class="sourceLineNo">327</span> }<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> * Unregister a service.<a name="line.330"></a> |
| <span class="sourceLineNo">331</span> * @param reg : the service registration to unregister<a name="line.331"></a> |
| <span class="sourceLineNo">332</span> */<a name="line.332"></a> |
| <span class="sourceLineNo">333</span> public void unregisterService(ServiceRegistrationImpl reg) {<a name="line.333"></a> |
| <span class="sourceLineNo">334</span> m_regs.remove(reg);<a name="line.334"></a> |
| <span class="sourceLineNo">335</span> fireServiceChanged(new ServiceEvent(ServiceEvent.UNREGISTERING, reg.getReference()));<a name="line.335"></a> |
| <span class="sourceLineNo">336</span> }<a name="line.336"></a> |
| <span class="sourceLineNo">337</span><a name="line.337"></a> |
| <span class="sourceLineNo">338</span> /**<a name="line.338"></a> |
| <span class="sourceLineNo">339</span> * Reset the service registry.<a name="line.339"></a> |
| <span class="sourceLineNo">340</span> */<a name="line.340"></a> |
| <span class="sourceLineNo">341</span> public void reset() {<a name="line.341"></a> |
| <span class="sourceLineNo">342</span> m_serviceId = 1L;<a name="line.342"></a> |
| <span class="sourceLineNo">343</span> m_listeners = new ArrayList();<a name="line.343"></a> |
| <span class="sourceLineNo">344</span> m_regs = new ArrayList();<a name="line.344"></a> |
| <span class="sourceLineNo">345</span> }<a name="line.345"></a> |
| <span class="sourceLineNo">346</span>}<a name="line.346"></a> |
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| </pre> |
| </div> |
| </body> |
| </html> |
