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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.manipulator.metadata.annotation.visitor.bind;<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.manipulator.Reporter;<a name="line.22"></a> |
| <span class="sourceLineNo">023</span>import org.apache.felix.ipojo.manipulator.metadata.annotation.ComponentWorkbench;<a name="line.23"></a> |
| <span class="sourceLineNo">024</span>import org.apache.felix.ipojo.manipulator.metadata.annotation.visitor.util.Names;<a name="line.24"></a> |
| <span class="sourceLineNo">025</span>import org.apache.felix.ipojo.metadata.Attribute;<a name="line.25"></a> |
| <span class="sourceLineNo">026</span>import org.apache.felix.ipojo.metadata.Element;<a name="line.26"></a> |
| <span class="sourceLineNo">027</span>import org.objectweb.asm.tree.MethodNode;<a name="line.27"></a> |
| <span class="sourceLineNo">028</span><a name="line.28"></a> |
| <span class="sourceLineNo">029</span>import static org.apache.felix.ipojo.manipulator.metadata.annotation.visitor.util.Names.computeEffectiveMethodName;<a name="line.29"></a> |
| <span class="sourceLineNo">030</span><a name="line.30"></a> |
| <span class="sourceLineNo">031</span>/**<a name="line.31"></a> |
| <span class="sourceLineNo">032</span> * Parse @Bind & @Unbind annotations on methods.<a name="line.32"></a> |
| <span class="sourceLineNo">033</span> * @author <a href="mailto:dev@felix.apache.org">Felix Project Team</a><a name="line.33"></a> |
| <span class="sourceLineNo">034</span> */<a name="line.34"></a> |
| <span class="sourceLineNo">035</span>public class MethodBindVisitor extends AbstractBindVisitor {<a name="line.35"></a> |
| <span class="sourceLineNo">036</span><a name="line.36"></a> |
| <span class="sourceLineNo">037</span> /**<a name="line.37"></a> |
| <span class="sourceLineNo">038</span> * Method name.<a name="line.38"></a> |
| <span class="sourceLineNo">039</span> */<a name="line.39"></a> |
| <span class="sourceLineNo">040</span> private MethodNode m_node;<a name="line.40"></a> |
| <span class="sourceLineNo">041</span><a name="line.41"></a> |
| <span class="sourceLineNo">042</span> /**<a name="line.42"></a> |
| <span class="sourceLineNo">043</span> * Error reporter.<a name="line.43"></a> |
| <span class="sourceLineNo">044</span> */<a name="line.44"></a> |
| <span class="sourceLineNo">045</span> private Reporter m_reporter;<a name="line.45"></a> |
| <span class="sourceLineNo">046</span><a name="line.46"></a> |
| <span class="sourceLineNo">047</span> public MethodBindVisitor(ComponentWorkbench workbench, Action action, MethodNode method, Reporter reporter) {<a name="line.47"></a> |
| <span class="sourceLineNo">048</span> super(workbench, action);<a name="line.48"></a> |
| <span class="sourceLineNo">049</span> this.m_node = method;<a name="line.49"></a> |
| <span class="sourceLineNo">050</span> this.m_reporter = reporter;<a name="line.50"></a> |
| <span class="sourceLineNo">051</span> }<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> * End of the visit.<a name="line.54"></a> |
| <span class="sourceLineNo">055</span> * Create or append the requirement info to a created or already existing "requires" element.<a name="line.55"></a> |
| <span class="sourceLineNo">056</span> *<a name="line.56"></a> |
| <span class="sourceLineNo">057</span> * @see org.objectweb.asm.commons.EmptyVisitor#visitEnd()<a name="line.57"></a> |
| <span class="sourceLineNo">058</span> */<a name="line.58"></a> |
| <span class="sourceLineNo">059</span> public void visitEnd() {<a name="line.59"></a> |
| <span class="sourceLineNo">060</span> if (m_id == null) {<a name="line.60"></a> |
| <span class="sourceLineNo">061</span> String identifier = Names.getMethodIdentifier(m_node);<a name="line.61"></a> |
| <span class="sourceLineNo">062</span> if (identifier != null) {<a name="line.62"></a> |
| <span class="sourceLineNo">063</span> m_id = identifier;<a name="line.63"></a> |
| <span class="sourceLineNo">064</span> } else {<a name="line.64"></a> |
| <span class="sourceLineNo">065</span> if (m_specification != null) {<a name="line.65"></a> |
| <span class="sourceLineNo">066</span> m_id = m_specification;<a name="line.66"></a> |
| <span class="sourceLineNo">067</span> } else {<a name="line.67"></a> |
| <span class="sourceLineNo">068</span> m_reporter.error("Cannot determine the requires identifier for the (%s) %s method: %s",<a name="line.68"></a> |
| <span class="sourceLineNo">069</span> computeEffectiveMethodName(m_node.name),<a name="line.69"></a> |
| <span class="sourceLineNo">070</span> action.name(),<a name="line.70"></a> |
| <span class="sourceLineNo">071</span> "Either 'id' attribute is missing or method name do not follow the bind/set/add/modified " +<a name="line.71"></a> |
| <span class="sourceLineNo">072</span> "naming pattern, or no specification (service interface) can be found in method signature " +<a name="line.72"></a> |
| <span class="sourceLineNo">073</span> "or specified in annotation. Dependency will be ignored (would cause an Exception at runtime)");<a name="line.73"></a> |
| <span class="sourceLineNo">074</span> return;<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><a name="line.78"></a> |
| <span class="sourceLineNo">079</span> Element requires = getRequiresElement();<a name="line.79"></a> |
| <span class="sourceLineNo">080</span><a name="line.80"></a> |
| <span class="sourceLineNo">081</span> Element callback = new Element("callback", "");<a name="line.81"></a> |
| <span class="sourceLineNo">082</span> callback.addAttribute(new Attribute("method", computeEffectiveMethodName(m_node.name)));<a name="line.82"></a> |
| <span class="sourceLineNo">083</span> callback.addAttribute(new Attribute("type", action.name().toLowerCase()));<a name="line.83"></a> |
| <span class="sourceLineNo">084</span> requires.addElement(callback);<a name="line.84"></a> |
| <span class="sourceLineNo">085</span><a name="line.85"></a> |
| <span class="sourceLineNo">086</span> workbench.getIds().put(m_id, requires);<a name="line.86"></a> |
| <span class="sourceLineNo">087</span> workbench.getElements().put(requires, null);<a name="line.87"></a> |
| <span class="sourceLineNo">088</span> }<a name="line.88"></a> |
| <span class="sourceLineNo">089</span>}<a name="line.89"></a> |
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