| <!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd"> |
| <html lang="en"> |
| <head> |
| <title>Source code</title> |
| <link rel="stylesheet" type="text/css" href="../../../../../../../stylesheet.css" title="Style"> |
| </head> |
| <body> |
| <div class="sourceContainer"> |
| <pre><span class="sourceLineNo">001</span>/*<a name="line.1"></a> |
| <span class="sourceLineNo">002</span> * Licensed to the Apache Software Foundation (ASF) under one<a name="line.2"></a> |
| <span class="sourceLineNo">003</span> * or more contributor license agreements. See the NOTICE file<a name="line.3"></a> |
| <span class="sourceLineNo">004</span> * distributed with this work for additional information<a name="line.4"></a> |
| <span class="sourceLineNo">005</span> * regarding copyright ownership. The ASF licenses this file<a name="line.5"></a> |
| <span class="sourceLineNo">006</span> * to you under the Apache License, Version 2.0 (the<a name="line.6"></a> |
| <span class="sourceLineNo">007</span> * "License"); you may not use this file except in compliance<a name="line.7"></a> |
| <span class="sourceLineNo">008</span> * with the License. You may obtain a copy of the License at<a name="line.8"></a> |
| <span class="sourceLineNo">009</span> *<a name="line.9"></a> |
| <span class="sourceLineNo">010</span> * http://www.apache.org/licenses/LICENSE-2.0<a name="line.10"></a> |
| <span class="sourceLineNo">011</span> *<a name="line.11"></a> |
| <span class="sourceLineNo">012</span> * Unless required by applicable law or agreed to in writing,<a name="line.12"></a> |
| <span class="sourceLineNo">013</span> * software distributed under the License is distributed on an<a name="line.13"></a> |
| <span class="sourceLineNo">014</span> * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY<a name="line.14"></a> |
| <span class="sourceLineNo">015</span> * KIND, either express or implied. See the License for the<a name="line.15"></a> |
| <span class="sourceLineNo">016</span> * specific language governing permissions and limitations<a name="line.16"></a> |
| <span class="sourceLineNo">017</span> * under the License.<a name="line.17"></a> |
| <span class="sourceLineNo">018</span> */<a name="line.18"></a> |
| <span class="sourceLineNo">019</span><a name="line.19"></a> |
| <span class="sourceLineNo">020</span>package org.apache.felix.ipojo.handlers.dependency;<a name="line.20"></a> |
| <span class="sourceLineNo">021</span><a name="line.21"></a> |
| <span class="sourceLineNo">022</span>import org.apache.felix.ipojo.ConfigurationException;<a name="line.22"></a> |
| <span class="sourceLineNo">023</span>import org.apache.felix.ipojo.metadata.Element;<a name="line.23"></a> |
| <span class="sourceLineNo">024</span>import org.apache.felix.ipojo.parser.FieldMetadata;<a name="line.24"></a> |
| <span class="sourceLineNo">025</span>import org.apache.felix.ipojo.parser.MethodMetadata;<a name="line.25"></a> |
| <span class="sourceLineNo">026</span>import org.apache.felix.ipojo.parser.PojoMetadata;<a name="line.26"></a> |
| <span class="sourceLineNo">027</span>import org.apache.felix.ipojo.util.DependencyModel;<a name="line.27"></a> |
| <span class="sourceLineNo">028</span>import org.osgi.framework.ServiceReference;<a name="line.28"></a> |
| <span class="sourceLineNo">029</span><a name="line.29"></a> |
| <span class="sourceLineNo">030</span>import java.util.*;<a name="line.30"></a> |
| <span class="sourceLineNo">031</span><a name="line.31"></a> |
| <span class="sourceLineNo">032</span>/**<a name="line.32"></a> |
| <span class="sourceLineNo">033</span> * Utility class checking the configuration of a dependency.<a name="line.33"></a> |
| <span class="sourceLineNo">034</span> */<a name="line.34"></a> |
| <span class="sourceLineNo">035</span>public class DependencyConfigurationChecker {<a name="line.35"></a> |
| <span class="sourceLineNo">036</span><a name="line.36"></a> |
| <span class="sourceLineNo">037</span> public static void ensure(Dependency dependency, Element metadata, PojoMetadata manipulation) throws<a name="line.37"></a> |
| <span class="sourceLineNo">038</span> ConfigurationException {<a name="line.38"></a> |
| <span class="sourceLineNo">039</span> ensureThatAtLeastOneInjectionIsSpecified(dependency);<a name="line.39"></a> |
| <span class="sourceLineNo">040</span> ensureThatTheFieldIsInComponentClass(dependency, manipulation);<a name="line.40"></a> |
| <span class="sourceLineNo">041</span> ensureThatTheConstructorParameterIsCoherent(dependency, manipulation);<a name="line.41"></a> |
| <span class="sourceLineNo">042</span> ensureThatCallbacksAreCoherent(dependency, manipulation);<a name="line.42"></a> |
| <span class="sourceLineNo">043</span> deduceAggregationFromTheInjectionPoints(dependency, manipulation);<a name="line.43"></a> |
| <span class="sourceLineNo">044</span> deduceTheServiceSpecification(dependency, manipulation);<a name="line.44"></a> |
| <span class="sourceLineNo">045</span> checkTheServiceUnavailableAction(dependency, metadata);<a name="line.45"></a> |
| <span class="sourceLineNo">046</span> checkTheConsistencyOfTheFromAttribute(dependency, metadata);<a name="line.46"></a> |
| <span class="sourceLineNo">047</span> disableProxyForInconsistentTypes(dependency);<a name="line.47"></a> |
| <span class="sourceLineNo">048</span> }<a name="line.48"></a> |
| <span class="sourceLineNo">049</span><a name="line.49"></a> |
| <span class="sourceLineNo">050</span> /**<a name="line.50"></a> |
| <span class="sourceLineNo">051</span> * Disables the proxy settings for types that does not support it: Vector, Array, and non interface specification.<a name="line.51"></a> |
| <span class="sourceLineNo">052</span> * If the dependency is disabled, check that we are no constructor injection.<a name="line.52"></a> |
| <span class="sourceLineNo">053</span> * @param dependency the dependency<a name="line.53"></a> |
| <span class="sourceLineNo">054</span> */<a name="line.54"></a> |
| <span class="sourceLineNo">055</span> private static void disableProxyForInconsistentTypes(Dependency dependency) throws ConfigurationException {<a name="line.55"></a> |
| <span class="sourceLineNo">056</span> if (! dependency.getSpecification().isInterface()<a name="line.56"></a> |
| <span class="sourceLineNo">057</span> || dependency.isAggregate() && dependency.getAggregateType() == AggregateDependencyInjectionType.ARRAY<a name="line.57"></a> |
| <span class="sourceLineNo">058</span> || dependency.isAggregate() && dependency.getAggregateType() == AggregateDependencyInjectionType.VECTOR) {<a name="line.58"></a> |
| <span class="sourceLineNo">059</span> dependency.setProxy(false);<a name="line.59"></a> |
| <span class="sourceLineNo">060</span> if (dependency.getConstructorParameterIndex() != -1) {<a name="line.60"></a> |
| <span class="sourceLineNo">061</span> throw new ConfigurationException("The dependency " + DependencyHandler.getDependencyIdentifier<a name="line.61"></a> |
| <span class="sourceLineNo">062</span> (dependency) + " has an inconsistent configuration. - reason: the service specification " +<a name="line.62"></a> |
| <span class="sourceLineNo">063</span> "or container do not support proxy, which is required for constructor injection");<a name="line.63"></a> |
| <span class="sourceLineNo">064</span> }<a name="line.64"></a> |
| <span class="sourceLineNo">065</span> dependency.getHandler().info("Proxy disabled for " + DependencyHandler.getDependencyIdentifier<a name="line.65"></a> |
| <span class="sourceLineNo">066</span> (dependency) + " - the service specification or container do not support proxy");<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><a name="line.69"></a> |
| <span class="sourceLineNo">070</span> /**<a name="line.70"></a> |
| <span class="sourceLineNo">071</span> * Checks that the dependency callbacks are consistent:<a name="line.71"></a> |
| <span class="sourceLineNo">072</span> * <ul><a name="line.72"></a> |
| <span class="sourceLineNo">073</span> * <li>have a supported 'type'</li><a name="line.73"></a> |
| <span class="sourceLineNo">074</span> * <li>have a supported signature</li><a name="line.74"></a> |
| <span class="sourceLineNo">075</span> * </ul><a name="line.75"></a> |
| <span class="sourceLineNo">076</span> * If the method is not in the component class, a message is logged, as this verification cannot be used.<a name="line.76"></a> |
| <span class="sourceLineNo">077</span> * If the method is found in the manipulation metadata, the callback parameters are set.<a name="line.77"></a> |
| <span class="sourceLineNo">078</span> * @param dependency the dependency<a name="line.78"></a> |
| <span class="sourceLineNo">079</span> * @param manipulation the manipulation<a name="line.79"></a> |
| <span class="sourceLineNo">080</span> * @throws ConfigurationException if the methods do not obey to the previously mentioned rules.<a name="line.80"></a> |
| <span class="sourceLineNo">081</span> */<a name="line.81"></a> |
| <span class="sourceLineNo">082</span> private static void ensureThatCallbacksAreCoherent(Dependency dependency, PojoMetadata manipulation) throws<a name="line.82"></a> |
| <span class="sourceLineNo">083</span> ConfigurationException {<a name="line.83"></a> |
| <span class="sourceLineNo">084</span> DependencyCallback[] callbacks = dependency.getCallbacks();<a name="line.84"></a> |
| <span class="sourceLineNo">085</span> if (callbacks != null) {<a name="line.85"></a> |
| <span class="sourceLineNo">086</span> for (DependencyCallback callback : callbacks) {<a name="line.86"></a> |
| <span class="sourceLineNo">087</span> MethodMetadata metadata = manipulation.getMethod(callback.getMethodName());<a name="line.87"></a> |
| <span class="sourceLineNo">088</span> if (metadata == null) {<a name="line.88"></a> |
| <span class="sourceLineNo">089</span> dependency.getHandler().debug("A dependency callback " + callback.getMethodName() + " of " +<a name="line.89"></a> |
| <span class="sourceLineNo">090</span> DependencyHandler.getDependencyIdentifier(dependency) + " does not " +<a name="line.90"></a> |
| <span class="sourceLineNo">091</span> "exist in the implementation class, will try the parent classes");<a name="line.91"></a> |
| <span class="sourceLineNo">092</span> } else {<a name="line.92"></a> |
| <span class="sourceLineNo">093</span> String[] parameters = metadata.getMethodArguments();<a name="line.93"></a> |
| <span class="sourceLineNo">094</span> switch(parameters.length) {<a name="line.94"></a> |
| <span class="sourceLineNo">095</span> case 0 : // Just a notification method.<a name="line.95"></a> |
| <span class="sourceLineNo">096</span> callback.setArgument(parameters);<a name="line.96"></a> |
| <span class="sourceLineNo">097</span> break;<a name="line.97"></a> |
| <span class="sourceLineNo">098</span> case 1 :<a name="line.98"></a> |
| <span class="sourceLineNo">099</span> // Can be the service object, service reference or properties<a name="line.99"></a> |
| <span class="sourceLineNo">100</span> callback.setArgument(parameters);<a name="line.100"></a> |
| <span class="sourceLineNo">101</span> break;<a name="line.101"></a> |
| <span class="sourceLineNo">102</span> case 2 :<a name="line.102"></a> |
| <span class="sourceLineNo">103</span> // Constraints on the second argument, must be a service reference, a dictionary or a map<a name="line.103"></a> |
| <span class="sourceLineNo">104</span> if (!ServiceReference.class.getName().equals(parameters[1])<a name="line.104"></a> |
| <span class="sourceLineNo">105</span> && ! Dictionary.class.getName().equals(parameters[1])<a name="line.105"></a> |
| <span class="sourceLineNo">106</span> && ! Map.class.getName().equals(parameters[1])) {<a name="line.106"></a> |
| <span class="sourceLineNo">107</span> throw new ConfigurationException("The method " + callback.getMethodName() + " of " +<a name="line.107"></a> |
| <span class="sourceLineNo">108</span> DependencyHandler.getDependencyIdentifier(dependency) + " is not a valid " +<a name="line.108"></a> |
| <span class="sourceLineNo">109</span> "dependency callback - reason: the second argument (" + parameters[1] +<a name="line.109"></a> |
| <span class="sourceLineNo">110</span> ") must be a service reference, a dictionary or a map.");<a name="line.110"></a> |
| <span class="sourceLineNo">111</span> }<a name="line.111"></a> |
| <span class="sourceLineNo">112</span> callback.setArgument(parameters);<a name="line.112"></a> |
| <span class="sourceLineNo">113</span> break;<a name="line.113"></a> |
| <span class="sourceLineNo">114</span> default:<a name="line.114"></a> |
| <span class="sourceLineNo">115</span> // Invalid signature.<a name="line.115"></a> |
| <span class="sourceLineNo">116</span> throw new ConfigurationException("The method " + callback.getMethodName() + " of " +<a name="line.116"></a> |
| <span class="sourceLineNo">117</span> DependencyHandler.getDependencyIdentifier(dependency) + " is not a valid " +<a name="line.117"></a> |
| <span class="sourceLineNo">118</span> "dependency callback - reason: the signature is invalid");<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> }<a name="line.123"></a> |
| <span class="sourceLineNo">124</span><a name="line.124"></a> |
| <span class="sourceLineNo">125</span> /**<a name="line.125"></a> |
| <span class="sourceLineNo">126</span> * Checks whether the constructor parameter injection is suitable. this check verified that the constructor has<a name="line.126"></a> |
| <span class="sourceLineNo">127</span> * enough parameter.<a name="line.127"></a> |
| <span class="sourceLineNo">128</span> * @param dependency the dependency<a name="line.128"></a> |
| <span class="sourceLineNo">129</span> * @param manipulation the manipulation metadata<a name="line.129"></a> |
| <span class="sourceLineNo">130</span> * @throws ConfigurationException if the constructor is not suitable<a name="line.130"></a> |
| <span class="sourceLineNo">131</span> */<a name="line.131"></a> |
| <span class="sourceLineNo">132</span> private static void ensureThatTheConstructorParameterIsCoherent(Dependency dependency,<a name="line.132"></a> |
| <span class="sourceLineNo">133</span> PojoMetadata manipulation) throws<a name="line.133"></a> |
| <span class="sourceLineNo">134</span> ConfigurationException {<a name="line.134"></a> |
| <span class="sourceLineNo">135</span> if (dependency.getConstructorParameterIndex() != -1) {<a name="line.135"></a> |
| <span class="sourceLineNo">136</span> MethodMetadata[] constructors = manipulation.getConstructors();<a name="line.136"></a> |
| <span class="sourceLineNo">137</span> if (constructors == null || constructors.length == 0) {<a name="line.137"></a> |
| <span class="sourceLineNo">138</span> throw new ConfigurationException("The constructor parameter attribute of " + DependencyHandler<a name="line.138"></a> |
| <span class="sourceLineNo">139</span> .getDependencyIdentifier(dependency) + " is inconsistent - reason: there is no constructor in" +<a name="line.139"></a> |
| <span class="sourceLineNo">140</span> " the component class (" + dependency.getHandler().getInstanceManager().getClassName() + ")");<a name="line.140"></a> |
| <span class="sourceLineNo">141</span> }<a name="line.141"></a> |
| <span class="sourceLineNo">142</span><a name="line.142"></a> |
| <span class="sourceLineNo">143</span> //TODO Consider only the first constructor. This is a limitation we should think about,<a name="line.143"></a> |
| <span class="sourceLineNo">144</span> // how to determine which constructor to use. Only one constructor should have annotations,<a name="line.144"></a> |
| <span class="sourceLineNo">145</span> // it could be use as hint.<a name="line.145"></a> |
| <span class="sourceLineNo">146</span> MethodMetadata constructor = constructors[0];<a name="line.146"></a> |
| <span class="sourceLineNo">147</span> if (! (constructor.getMethodArguments().length > dependency.getConstructorParameterIndex())) {<a name="line.147"></a> |
| <span class="sourceLineNo">148</span> throw new ConfigurationException("The constructor parameter attribute of " + DependencyHandler<a name="line.148"></a> |
| <span class="sourceLineNo">149</span> .getDependencyIdentifier(dependency) + " is inconsistent - reason: the constructor with the " +<a name="line.149"></a> |
| <span class="sourceLineNo">150</span> "signature " + Arrays.toString(constructor.getMethodArguments()) + " has not enough " +<a name="line.150"></a> |
| <span class="sourceLineNo">151</span> "parameters");<a name="line.151"></a> |
| <span class="sourceLineNo">152</span> }<a name="line.152"></a> |
| <span class="sourceLineNo">153</span><a name="line.153"></a> |
| <span class="sourceLineNo">154</span> }<a name="line.154"></a> |
| <span class="sourceLineNo">155</span> }<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> * Checks that the field used to inject the dependency is in the component class. If the dependency has no field,<a name="line.158"></a> |
| <span class="sourceLineNo">159</span> * this method does nothing.<a name="line.159"></a> |
| <span class="sourceLineNo">160</span> * @param dependency the dependency<a name="line.160"></a> |
| <span class="sourceLineNo">161</span> * @param manipulation the manipulation metadata<a name="line.161"></a> |
| <span class="sourceLineNo">162</span> * @throws ConfigurationException if the field used to inject the given dependency is not in the component class.<a name="line.162"></a> |
| <span class="sourceLineNo">163</span> */<a name="line.163"></a> |
| <span class="sourceLineNo">164</span> private static void ensureThatTheFieldIsInComponentClass(Dependency dependency, PojoMetadata manipulation) throws ConfigurationException {<a name="line.164"></a> |
| <span class="sourceLineNo">165</span> if (dependency.getField() != null) {<a name="line.165"></a> |
| <span class="sourceLineNo">166</span> FieldMetadata field = manipulation.getField(dependency.getField());<a name="line.166"></a> |
| <span class="sourceLineNo">167</span> if (field == null) {<a name="line.167"></a> |
| <span class="sourceLineNo">168</span> throw new ConfigurationException("Incorrect field injection for " + DependencyHandler<a name="line.168"></a> |
| <span class="sourceLineNo">169</span> .getDependencyIdentifier(dependency) + " - reason: the field " + dependency.getField() + " is" +<a name="line.169"></a> |
| <span class="sourceLineNo">170</span> " not in the component class (" + dependency.getHandler().getInstanceManager().getClassName()<a name="line.170"></a> |
| <span class="sourceLineNo">171</span> + ")");<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> }<a name="line.174"></a> |
| <span class="sourceLineNo">175</span><a name="line.175"></a> |
| <span class="sourceLineNo">176</span> /**<a name="line.176"></a> |
| <span class="sourceLineNo">177</span> * Determines if the dependency is aggregate from the field or constructor parameter used to inject the dependency.<a name="line.177"></a> |
| <span class="sourceLineNo">178</span> * If the dependency just uses methods, this method does nothing. This method also check that dependencies set to<a name="line.178"></a> |
| <span class="sourceLineNo">179</span> * aggregate have a valid injection type.<a name="line.179"></a> |
| <span class="sourceLineNo">180</span> * @param dependency the dependency<a name="line.180"></a> |
| <span class="sourceLineNo">181</span> * @param manipulation the manipulation metadata<a name="line.181"></a> |
| <span class="sourceLineNo">182</span> * @throws ConfigurationException if the type of the field or constructor parameter used to inject the dependency<a name="line.182"></a> |
| <span class="sourceLineNo">183</span> * is not suitable for aggregate dependencies.<a name="line.183"></a> |
| <span class="sourceLineNo">184</span> */<a name="line.184"></a> |
| <span class="sourceLineNo">185</span> private static void deduceAggregationFromTheInjectionPoints(Dependency dependency, PojoMetadata manipulation) throws ConfigurationException {<a name="line.185"></a> |
| <span class="sourceLineNo">186</span> if (dependency.getField() != null) {<a name="line.186"></a> |
| <span class="sourceLineNo">187</span> FieldMetadata field = manipulation.getField(dependency.getField());<a name="line.187"></a> |
| <span class="sourceLineNo">188</span> String type = field.getFieldType();<a name="line.188"></a> |
| <span class="sourceLineNo">189</span> if (type.endsWith("[]")) {<a name="line.189"></a> |
| <span class="sourceLineNo">190</span> dependency.setAggregateType(AggregateDependencyInjectionType.ARRAY);<a name="line.190"></a> |
| <span class="sourceLineNo">191</span> } else if (Collection.class.getName().equals(type) || List.class.getName().equals(type)) {<a name="line.191"></a> |
| <span class="sourceLineNo">192</span> dependency.setAggregateType(AggregateDependencyInjectionType.LIST);<a name="line.192"></a> |
| <span class="sourceLineNo">193</span> } else if (Set.class.getName().equals(type)) {<a name="line.193"></a> |
| <span class="sourceLineNo">194</span> dependency.setAggregateType(AggregateDependencyInjectionType.SET);<a name="line.194"></a> |
| <span class="sourceLineNo">195</span> } else if (Vector.class.getName().equals(type)) {<a name="line.195"></a> |
| <span class="sourceLineNo">196</span> dependency.setAggregateType(AggregateDependencyInjectionType.VECTOR);<a name="line.196"></a> |
| <span class="sourceLineNo">197</span> } else if (dependency.isAggregate()) {<a name="line.197"></a> |
| <span class="sourceLineNo">198</span> // Something wrong. The dependency has a field that is not suitable for aggregate dependencies<a name="line.198"></a> |
| <span class="sourceLineNo">199</span> throw new ConfigurationException("The dependency " + DependencyHandler.getDependencyIdentifier<a name="line.199"></a> |
| <span class="sourceLineNo">200</span> (dependency) + " cannot be an aggregate dependency - reason: the type " + field.getFieldType<a name="line.200"></a> |
| <span class="sourceLineNo">201</span> () + " of the field " + field.getFieldName() + " is not suitable for aggregate " +<a name="line.201"></a> |
| <span class="sourceLineNo">202</span> "dependencies. Compatible types are array, vector, list, set and collection.");<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> if (dependency.getConstructorParameterIndex() != -1) {<a name="line.205"></a> |
| <span class="sourceLineNo">206</span> String type = manipulation.getConstructors()[0].getMethodArguments()[dependency<a name="line.206"></a> |
| <span class="sourceLineNo">207</span> .getConstructorParameterIndex()];<a name="line.207"></a> |
| <span class="sourceLineNo">208</span> if (type.endsWith("[]")) {<a name="line.208"></a> |
| <span class="sourceLineNo">209</span> dependency.setAggregateType(AggregateDependencyInjectionType.ARRAY);<a name="line.209"></a> |
| <span class="sourceLineNo">210</span> } else if (Collection.class.getName().equals(type) || List.class.getName().equals(type)) {<a name="line.210"></a> |
| <span class="sourceLineNo">211</span> dependency.setAggregateType(AggregateDependencyInjectionType.LIST);<a name="line.211"></a> |
| <span class="sourceLineNo">212</span> } else if (Set.class.getName().equals(type)) {<a name="line.212"></a> |
| <span class="sourceLineNo">213</span> dependency.setAggregateType(AggregateDependencyInjectionType.SET);<a name="line.213"></a> |
| <span class="sourceLineNo">214</span> } else if (Vector.class.getName().equals(type)) {<a name="line.214"></a> |
| <span class="sourceLineNo">215</span> dependency.setAggregateType(AggregateDependencyInjectionType.VECTOR);<a name="line.215"></a> |
| <span class="sourceLineNo">216</span> } else if (dependency.isAggregate()) {<a name="line.216"></a> |
| <span class="sourceLineNo">217</span> // Something wrong. The dependency has a field that is not suitable for aggregate dependencies<a name="line.217"></a> |
| <span class="sourceLineNo">218</span> throw new ConfigurationException("The dependency " + DependencyHandler.getDependencyIdentifier<a name="line.218"></a> |
| <span class="sourceLineNo">219</span> (dependency) + " cannot be an aggregate dependency - reason: the type " + type<a name="line.219"></a> |
| <span class="sourceLineNo">220</span> + " of the constructor parameter " + dependency.getConstructorParameterIndex() + " is not suitable for aggregate " +<a name="line.220"></a> |
| <span class="sourceLineNo">221</span> "dependencies. Compatible types are array, vector, list, set and collection.");<a name="line.221"></a> |
| <span class="sourceLineNo">222</span> }<a name="line.222"></a> |
| <span class="sourceLineNo">223</span> }<a name="line.223"></a> |
| <span class="sourceLineNo">224</span> //TODO We may not cover some cases such as inconsistency between the constructor and the field. However this<a name="line.224"></a> |
| <span class="sourceLineNo">225</span> // should be very rare.<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> * Checks that the dependency has at least one injection point.<a name="line.230"></a> |
| <span class="sourceLineNo">231</span> * @param dependency the dependency<a name="line.231"></a> |
| <span class="sourceLineNo">232</span> * @throws ConfigurationException if the dependency has no injection point<a name="line.232"></a> |
| <span class="sourceLineNo">233</span> */<a name="line.233"></a> |
| <span class="sourceLineNo">234</span> private static void ensureThatAtLeastOneInjectionIsSpecified(Dependency dependency) throws ConfigurationException {<a name="line.234"></a> |
| <span class="sourceLineNo">235</span> if (dependency.getField() == null<a name="line.235"></a> |
| <span class="sourceLineNo">236</span> && (dependency.getCallbacks() == null || dependency.getCallbacks().length == 0)<a name="line.236"></a> |
| <span class="sourceLineNo">237</span> && dependency.getConstructorParameterIndex() == -1) {<a name="line.237"></a> |
| <span class="sourceLineNo">238</span> throw new ConfigurationException("The dependency " + DependencyHandler.getDependencyIdentifier<a name="line.238"></a> |
| <span class="sourceLineNo">239</span> (dependency) + " is invalid - reason: no injection specified, at least a field, " +<a name="line.239"></a> |
| <span class="sourceLineNo">240</span> "a method or a constructor parameter index must be set");<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> /**<a name="line.244"></a> |
| <span class="sourceLineNo">245</span> * Checks that the `from` attribute is used consistently:<a name="line.245"></a> |
| <span class="sourceLineNo">246</span> * <ul><a name="line.246"></a> |
| <span class="sourceLineNo">247</span> * <li>Rule 1 : it cannot be used on aggregate dependency</li><a name="line.247"></a> |
| <span class="sourceLineNo">248</span> * <li>Rule 2 : it cannot be used in combination with the `comparator` attribute</li><a name="line.248"></a> |
| <span class="sourceLineNo">249</span> * <li>Rule 3 : it cannot be used in combination with the `dynamic-priority` binding policy</li><a name="line.249"></a> |
| <span class="sourceLineNo">250</span> * </ul><a name="line.250"></a> |
| <span class="sourceLineNo">251</span> *<a name="line.251"></a> |
| <span class="sourceLineNo">252</span> * @param dependency the dependency<a name="line.252"></a> |
| <span class="sourceLineNo">253</span> * @param metadata the dependency metadata<a name="line.253"></a> |
| <span class="sourceLineNo">254</span> * @throws ConfigurationException if the `from` attribute is used inconsistently.<a name="line.254"></a> |
| <span class="sourceLineNo">255</span> */<a name="line.255"></a> |
| <span class="sourceLineNo">256</span> private static void checkTheConsistencyOfTheFromAttribute(Dependency dependency,<a name="line.256"></a> |
| <span class="sourceLineNo">257</span> Element metadata) throws ConfigurationException {<a name="line.257"></a> |
| <span class="sourceLineNo">258</span> // Check if we have a from attribute.<a name="line.258"></a> |
| <span class="sourceLineNo">259</span> if (metadata.getAttribute("from") != null) {<a name="line.259"></a> |
| <span class="sourceLineNo">260</span> final String message = "The `from` attribute is not usable in " + DependencyHandler<a name="line.260"></a> |
| <span class="sourceLineNo">261</span> .getDependencyIdentifier(dependency) + " - reason: ";<a name="line.261"></a> |
| <span class="sourceLineNo">262</span> // Rule 1<a name="line.262"></a> |
| <span class="sourceLineNo">263</span> if (dependency.isAggregate()) {<a name="line.263"></a> |
| <span class="sourceLineNo">264</span> throw new ConfigurationException(message + "the dependency is " +<a name="line.264"></a> |
| <span class="sourceLineNo">265</span> "aggregate");<a name="line.265"></a> |
| <span class="sourceLineNo">266</span> }<a name="line.266"></a> |
| <span class="sourceLineNo">267</span> // Rule 2<a name="line.267"></a> |
| <span class="sourceLineNo">268</span> String comparator = metadata.getAttribute("comparator");<a name="line.268"></a> |
| <span class="sourceLineNo">269</span> if (comparator != null) {<a name="line.269"></a> |
| <span class="sourceLineNo">270</span> throw new ConfigurationException(message + "the dependency uses a comparator");<a name="line.270"></a> |
| <span class="sourceLineNo">271</span> }<a name="line.271"></a> |
| <span class="sourceLineNo">272</span> // Rule 3<a name="line.272"></a> |
| <span class="sourceLineNo">273</span> if (dependency.getBindingPolicy() == DependencyModel.DYNAMIC_PRIORITY_BINDING_POLICY) {<a name="line.273"></a> |
| <span class="sourceLineNo">274</span> throw new ConfigurationException(message + "the dependency uses the dynamic-priority " +<a name="line.274"></a> |
| <span class="sourceLineNo">275</span> "binding policy");<a name="line.275"></a> |
| <span class="sourceLineNo">276</span> }<a name="line.276"></a> |
| <span class="sourceLineNo">277</span> }<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> * Checks that service unavailable actions are consistent.<a name="line.281"></a> |
| <span class="sourceLineNo">282</span> * <ul><a name="line.282"></a> |
| <span class="sourceLineNo">283</span> * <li>Rule 1: Nullable, Exception, Default-Implementation... can only be used for scalar optional dependency</li><a name="line.283"></a> |
| <span class="sourceLineNo">284</span> * <li>Rule 2: Only one can be used</li><a name="line.284"></a> |
| <span class="sourceLineNo">285</span> * <li>Rule 3: Timeout can only be used on optional dependency</li><a name="line.285"></a> |
| <span class="sourceLineNo">286</span> * </ul><a name="line.286"></a> |
| <span class="sourceLineNo">287</span> *<a name="line.287"></a> |
| <span class="sourceLineNo">288</span> * @param dependency the dependency<a name="line.288"></a> |
| <span class="sourceLineNo">289</span> * @throws ConfigurationException if the dependency used inconsistent attributes<a name="line.289"></a> |
| <span class="sourceLineNo">290</span> */<a name="line.290"></a> |
| <span class="sourceLineNo">291</span> private static void checkTheServiceUnavailableAction(Dependency dependency,<a name="line.291"></a> |
| <span class="sourceLineNo">292</span> Element metadata) throws ConfigurationException {<a name="line.292"></a> |
| <span class="sourceLineNo">293</span> if (metadata.containsAttribute("nullable") || dependency.getDefaultImplementation() != null || dependency<a name="line.293"></a> |
| <span class="sourceLineNo">294</span> .getException() != null) {<a name="line.294"></a> |
| <span class="sourceLineNo">295</span> // Rule 1:<a name="line.295"></a> |
| <span class="sourceLineNo">296</span> String message = "The `nullable`, `default-implementation` and `exception` attributes are not " +<a name="line.296"></a> |
| <span class="sourceLineNo">297</span> "usable in " + DependencyHandler.getDependencyIdentifier(dependency) + " - reason: ";<a name="line.297"></a> |
| <span class="sourceLineNo">298</span> if (dependency.isAggregate()) {<a name="line.298"></a> |
| <span class="sourceLineNo">299</span> throw new ConfigurationException(message + "the dependency is aggregate");<a name="line.299"></a> |
| <span class="sourceLineNo">300</span> }<a name="line.300"></a> |
| <span class="sourceLineNo">301</span> if (! dependency.isOptional()) {<a name="line.301"></a> |
| <span class="sourceLineNo">302</span> throw new ConfigurationException(message + "the dependency is mandatory");<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> // At this point, we know that the dependency is scalar and optional, and at least one attribute is set<a name="line.305"></a> |
| <span class="sourceLineNo">306</span><a name="line.306"></a> |
| <span class="sourceLineNo">307</span> // Rule 2:<a name="line.307"></a> |
| <span class="sourceLineNo">308</span> message = "Inconsistent use of the `nullable`, `default-implementation` and `exception` attributes are " +<a name="line.308"></a> |
| <span class="sourceLineNo">309</span> "not usable in " + DependencyHandler.getDependencyIdentifier(dependency) + " - reason: ";<a name="line.309"></a> |
| <span class="sourceLineNo">310</span> if (metadata.containsAttribute("nullable") && dependency.getDefaultImplementation() != null) {<a name="line.310"></a> |
| <span class="sourceLineNo">311</span> throw new ConfigurationException(message + "`nullable` and `default-implementation` cannot be " +<a name="line.311"></a> |
| <span class="sourceLineNo">312</span> "combined");<a name="line.312"></a> |
| <span class="sourceLineNo">313</span> }<a name="line.313"></a> |
| <span class="sourceLineNo">314</span> if (metadata.containsAttribute("nullable") && dependency.getException() != null) {<a name="line.314"></a> |
| <span class="sourceLineNo">315</span> throw new ConfigurationException(message + "`nullable` and `exception` cannot be combined");<a name="line.315"></a> |
| <span class="sourceLineNo">316</span> }<a name="line.316"></a> |
| <span class="sourceLineNo">317</span> if (dependency.getDefaultImplementation() != null && dependency.getException() != null) {<a name="line.317"></a> |
| <span class="sourceLineNo">318</span> throw new ConfigurationException(message + "`exception` and `default-implementation` cannot be " +<a name="line.318"></a> |
| <span class="sourceLineNo">319</span> "combined");<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><a name="line.322"></a> |
| <span class="sourceLineNo">323</span> // Rule 3:<a name="line.323"></a> |
| <span class="sourceLineNo">324</span> if (dependency.getTimeout() != 0 && ! dependency.isOptional()) {<a name="line.324"></a> |
| <span class="sourceLineNo">325</span> throw new ConfigurationException("The `timeout` attribute is not usable in " + DependencyHandler<a name="line.325"></a> |
| <span class="sourceLineNo">326</span> .getDependencyIdentifier(dependency) + " - reason: the dependency is not optional");<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><a name="line.330"></a> |
| <span class="sourceLineNo">331</span><a name="line.331"></a> |
| <span class="sourceLineNo">332</span> }<a name="line.332"></a> |
| <span class="sourceLineNo">333</span><a name="line.333"></a> |
| <span class="sourceLineNo">334</span> /**<a name="line.334"></a> |
| <span class="sourceLineNo">335</span> * Tries to determine the service specification to inject in the dependency.<a name="line.335"></a> |
| <span class="sourceLineNo">336</span> * If the specification is already checked by the dependency, just checks the consistency.<a name="line.336"></a> |
| <span class="sourceLineNo">337</span> *<a name="line.337"></a> |
| <span class="sourceLineNo">338</span> * @param dependency the dependency<a name="line.338"></a> |
| <span class="sourceLineNo">339</span> * @param manipulation the manipulation metadata<a name="line.339"></a> |
| <span class="sourceLineNo">340</span> * @throws ConfigurationException if the specification cannot be deduced, or when the set specification is not<a name="line.340"></a> |
| <span class="sourceLineNo">341</span> * consistent.<a name="line.341"></a> |
| <span class="sourceLineNo">342</span> */<a name="line.342"></a> |
| <span class="sourceLineNo">343</span> private static void deduceTheServiceSpecification(Dependency dependency, PojoMetadata manipulation) throws<a name="line.343"></a> |
| <span class="sourceLineNo">344</span> ConfigurationException {<a name="line.344"></a> |
| <span class="sourceLineNo">345</span><a name="line.345"></a> |
| <span class="sourceLineNo">346</span> // Deduction algorithm<a name="line.346"></a> |
| <span class="sourceLineNo">347</span> String fieldType = null;<a name="line.347"></a> |
| <span class="sourceLineNo">348</span> String callbackType = null;<a name="line.348"></a> |
| <span class="sourceLineNo">349</span> String constructorType = null;<a name="line.349"></a> |
| <span class="sourceLineNo">350</span> // First check the field<a name="line.350"></a> |
| <span class="sourceLineNo">351</span> if (dependency.getField() != null) {<a name="line.351"></a> |
| <span class="sourceLineNo">352</span> fieldType = extractSpecificationFromField(dependency.getField(), manipulation);<a name="line.352"></a> |
| <span class="sourceLineNo">353</span> }<a name="line.353"></a> |
| <span class="sourceLineNo">354</span> if (dependency.getCallbacks() != null && dependency.getCallbacks().length != 0) {<a name="line.354"></a> |
| <span class="sourceLineNo">355</span> callbackType = extractSpecificationFromMethods(dependency, dependency.getCallbacks(), manipulation);<a name="line.355"></a> |
| <span class="sourceLineNo">356</span> }<a name="line.356"></a> |
| <span class="sourceLineNo">357</span> if (dependency.getConstructorParameterIndex() != -1) {<a name="line.357"></a> |
| <span class="sourceLineNo">358</span> constructorType = extractSpecificationFromConstructor(dependency.getConstructorParameterIndex(),<a name="line.358"></a> |
| <span class="sourceLineNo">359</span> manipulation);<a name="line.359"></a> |
| <span class="sourceLineNo">360</span> }<a name="line.360"></a> |
| <span class="sourceLineNo">361</span><a name="line.361"></a> |
| <span class="sourceLineNo">362</span> if (dependency.getSpecification() == null<a name="line.362"></a> |
| <span class="sourceLineNo">363</span> && fieldType == null && callbackType == null && constructorType == null) {<a name="line.363"></a> |
| <span class="sourceLineNo">364</span> throw new ConfigurationException("The deduction of the service specification for " + DependencyHandler<a name="line.364"></a> |
| <span class="sourceLineNo">365</span> .getDependencyIdentifier(dependency) + " has failed - reason: when neither the field, " +<a name="line.365"></a> |
| <span class="sourceLineNo">366</span> "methods and constructor parameter have provided the service specification, " +<a name="line.366"></a> |
| <span class="sourceLineNo">367</span> "the `specification` attribute must be set");<a name="line.367"></a> |
| <span class="sourceLineNo">368</span><a name="line.368"></a> |
| <span class="sourceLineNo">369</span> }<a name="line.369"></a> |
| <span class="sourceLineNo">370</span><a name="line.370"></a> |
| <span class="sourceLineNo">371</span> // The Dependency.setSpecification method check whether the specification coming from the different sources<a name="line.371"></a> |
| <span class="sourceLineNo">372</span> // are consistent.<a name="line.372"></a> |
| <span class="sourceLineNo">373</span> if (fieldType != null) {<a name="line.373"></a> |
| <span class="sourceLineNo">374</span> setSpecification(dependency, fieldType);<a name="line.374"></a> |
| <span class="sourceLineNo">375</span> }<a name="line.375"></a> |
| <span class="sourceLineNo">376</span> if (callbackType != null) {<a name="line.376"></a> |
| <span class="sourceLineNo">377</span> setSpecification(dependency, callbackType);<a name="line.377"></a> |
| <span class="sourceLineNo">378</span> }<a name="line.378"></a> |
| <span class="sourceLineNo">379</span> if (constructorType != null) {<a name="line.379"></a> |
| <span class="sourceLineNo">380</span> setSpecification(dependency, constructorType);<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> private static String extractSpecificationFromMethods(Dependency dependency, DependencyCallback[] callbacks,<a name="line.384"></a> |
| <span class="sourceLineNo">385</span> PojoMetadata manipulation) throws ConfigurationException {<a name="line.385"></a> |
| <span class="sourceLineNo">386</span> String type = null;<a name="line.386"></a> |
| <span class="sourceLineNo">387</span> for (DependencyCallback callback : callbacks) {<a name="line.387"></a> |
| <span class="sourceLineNo">388</span> MethodMetadata metadata = manipulation.getMethod(callback.getMethodName());<a name="line.388"></a> |
| <span class="sourceLineNo">389</span> if (metadata != null) {<a name="line.389"></a> |
| <span class="sourceLineNo">390</span> String[] parameters = metadata.getMethodArguments();<a name="line.390"></a> |
| <span class="sourceLineNo">391</span> if (parameters.length == 1 || parameters.length == 2) {<a name="line.391"></a> |
| <span class="sourceLineNo">392</span> if (! ServiceReference.class.getName().equals(parameters[0])<a name="line.392"></a> |
| <span class="sourceLineNo">393</span> && ! Dictionary.class.getName().equals(parameters[0])<a name="line.393"></a> |
| <span class="sourceLineNo">394</span> && ! Map.class.getName().equals(parameters[0])) {<a name="line.394"></a> |
| <span class="sourceLineNo">395</span> if (type == null) {<a name="line.395"></a> |
| <span class="sourceLineNo">396</span> type = parameters[0];<a name="line.396"></a> |
| <span class="sourceLineNo">397</span> } else {<a name="line.397"></a> |
| <span class="sourceLineNo">398</span> if (! type.equals(parameters[0])) {<a name="line.398"></a> |
| <span class="sourceLineNo">399</span> throw new ConfigurationException("The callbacks of " + DependencyHandler<a name="line.399"></a> |
| <span class="sourceLineNo">400</span> .getDependencyIdentifier(dependency) + " have inconsistent parameters");<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> }<a name="line.404"></a> |
| <span class="sourceLineNo">405</span> }<a name="line.405"></a> |
| <span class="sourceLineNo">406</span> }<a name="line.406"></a> |
| <span class="sourceLineNo">407</span> return type;<a name="line.407"></a> |
| <span class="sourceLineNo">408</span> }<a name="line.408"></a> |
| <span class="sourceLineNo">409</span><a name="line.409"></a> |
| <span class="sourceLineNo">410</span> private static String extractSpecificationFromConstructor(int index, PojoMetadata manipulation) {<a name="line.410"></a> |
| <span class="sourceLineNo">411</span> // We can write the following instructions as everything was previously checked.<a name="line.411"></a> |
| <span class="sourceLineNo">412</span> String type = manipulation.getConstructors()[0].getMethodArguments()[index];<a name="line.412"></a> |
| <span class="sourceLineNo">413</span> if (type.endsWith("[]")) {<a name="line.413"></a> |
| <span class="sourceLineNo">414</span> return type.substring(0, type.length() - 2);<a name="line.414"></a> |
| <span class="sourceLineNo">415</span> }<a name="line.415"></a> |
| <span class="sourceLineNo">416</span> if (AggregateDependencyInjectionType.AGGREGATE_TYPES.contains(type)) {<a name="line.416"></a> |
| <span class="sourceLineNo">417</span> return null; // It's an aggregate<a name="line.417"></a> |
| <span class="sourceLineNo">418</span> }<a name="line.418"></a> |
| <span class="sourceLineNo">419</span> return type;<a name="line.419"></a> |
| <span class="sourceLineNo">420</span> }<a name="line.420"></a> |
| <span class="sourceLineNo">421</span><a name="line.421"></a> |
| <span class="sourceLineNo">422</span> /**<a name="line.422"></a> |
| <span class="sourceLineNo">423</span> * Extracts the service specification from the field.<a name="line.423"></a> |
| <span class="sourceLineNo">424</span> * When this method is called, we know that the field is containing in the component class.<a name="line.424"></a> |
| <span class="sourceLineNo">425</span> * @param field the field<a name="line.425"></a> |
| <span class="sourceLineNo">426</span> * @param manipulation the manipulation metadata<a name="line.426"></a> |
| <span class="sourceLineNo">427</span> * @return the service specification, or {@code null} if is cannot be extracted.<a name="line.427"></a> |
| <span class="sourceLineNo">428</span> */<a name="line.428"></a> |
| <span class="sourceLineNo">429</span> private static String extractSpecificationFromField(String field, PojoMetadata manipulation) {<a name="line.429"></a> |
| <span class="sourceLineNo">430</span> FieldMetadata metadata = manipulation.getField(field);<a name="line.430"></a> |
| <span class="sourceLineNo">431</span> if (metadata.getFieldType().endsWith("[]")) {<a name="line.431"></a> |
| <span class="sourceLineNo">432</span> return metadata.getFieldType().substring(0, metadata.getFieldType().length() - 2);<a name="line.432"></a> |
| <span class="sourceLineNo">433</span> }<a name="line.433"></a> |
| <span class="sourceLineNo">434</span> if (AggregateDependencyInjectionType.AGGREGATE_TYPES.contains(metadata.getFieldType())) {<a name="line.434"></a> |
| <span class="sourceLineNo">435</span> return null; // It's an aggregate<a name="line.435"></a> |
| <span class="sourceLineNo">436</span> }<a name="line.436"></a> |
| <span class="sourceLineNo">437</span> return metadata.getFieldType();<a name="line.437"></a> |
| <span class="sourceLineNo">438</span> }<a name="line.438"></a> |
| <span class="sourceLineNo">439</span><a name="line.439"></a> |
| <span class="sourceLineNo">440</span> /**<a name="line.440"></a> |
| <span class="sourceLineNo">441</span> * Sets the dependency specification. If the dependency has already a specification set,<a name="line.441"></a> |
| <span class="sourceLineNo">442</span> * throw an error if the current specification and the given one are not equal.<a name="line.442"></a> |
| <span class="sourceLineNo">443</span> * @param dep the dependency<a name="line.443"></a> |
| <span class="sourceLineNo">444</span> * @param className the service specification<a name="line.444"></a> |
| <span class="sourceLineNo">445</span> * @throws ConfigurationException if the given specification is not loadable or if the dependency has already a<a name="line.445"></a> |
| <span class="sourceLineNo">446</span> * specification set that is not the given one.<a name="line.446"></a> |
| <span class="sourceLineNo">447</span> */<a name="line.447"></a> |
| <span class="sourceLineNo">448</span> private static void setSpecification(Dependency dep, String className) throws ConfigurationException {<a name="line.448"></a> |
| <span class="sourceLineNo">449</span> if (dep.getSpecification() != null && ! dep.getSpecification().getName().equals(className)) {<a name="line.449"></a> |
| <span class="sourceLineNo">450</span> throw new ConfigurationException("Inconsistent service specification for " + DependencyHandler<a name="line.450"></a> |
| <span class="sourceLineNo">451</span> .getDependencyIdentifier(dep) + " - reason: mismatch between the current specification (" + dep<a name="line.451"></a> |
| <span class="sourceLineNo">452</span> .getSpecification().getName() + ") and the discovered specification (" + className + ")");<a name="line.452"></a> |
| <span class="sourceLineNo">453</span> } else if (dep.getSpecification() == null) {<a name="line.453"></a> |
| <span class="sourceLineNo">454</span> // Set the specification<a name="line.454"></a> |
| <span class="sourceLineNo">455</span> try {<a name="line.455"></a> |
| <span class="sourceLineNo">456</span> dep.setSpecification(dep.getBundleContext().getBundle().loadClass(className));<a name="line.456"></a> |
| <span class="sourceLineNo">457</span> } catch (ClassNotFoundException e) {<a name="line.457"></a> |
| <span class="sourceLineNo">458</span> throw new ConfigurationException("Cannot set the service specification of " + DependencyHandler<a name="line.458"></a> |
| <span class="sourceLineNo">459</span> .getDependencyIdentifier(dep) + " - reason: the class " + className + " cannot be loaded from" +<a name="line.459"></a> |
| <span class="sourceLineNo">460</span> " the bundle " + dep.getBundleContext().getBundle().getBundleId(), e);<a name="line.460"></a> |
| <span class="sourceLineNo">461</span> }<a name="line.461"></a> |
| <span class="sourceLineNo">462</span> }<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> |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| |
| </pre> |
| </div> |
| </body> |
| </html> |
