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<pre><span class="sourceLineNo">001</span>/*<a name="line.1"></a>
<span class="sourceLineNo">002</span> * Cobertura - http://cobertura.sourceforge.net/<a name="line.2"></a>
<span class="sourceLineNo">003</span> *<a name="line.3"></a>
<span class="sourceLineNo">004</span> * Copyright (C) 2005 Mark Doliner <a name="line.4"></a>
<span class="sourceLineNo">005</span> * Copyright (C) 2006 Jiri Mares <a name="line.5"></a>
<span class="sourceLineNo">006</span> * <a name="line.6"></a>
<span class="sourceLineNo">007</span> * Cobertura is free software; you can redistribute it and/or modify<a name="line.7"></a>
<span class="sourceLineNo">008</span> * it under the terms of the GNU General Public License as published<a name="line.8"></a>
<span class="sourceLineNo">009</span> * by the Free Software Foundation; either version 2 of the License,<a name="line.9"></a>
<span class="sourceLineNo">010</span> * or (at your option) any later version.<a name="line.10"></a>
<span class="sourceLineNo">011</span> *<a name="line.11"></a>
<span class="sourceLineNo">012</span> * Cobertura is distributed in the hope that it will be useful, but<a name="line.12"></a>
<span class="sourceLineNo">013</span> * WITHOUT ANY WARRANTY; without even the implied warranty of<a name="line.13"></a>
<span class="sourceLineNo">014</span> * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU<a name="line.14"></a>
<span class="sourceLineNo">015</span> * General Public License for more details.<a name="line.15"></a>
<span class="sourceLineNo">016</span> *<a name="line.16"></a>
<span class="sourceLineNo">017</span> * You should have received a copy of the GNU General Public License<a name="line.17"></a>
<span class="sourceLineNo">018</span> * along with Cobertura; if not, write to the Free Software<a name="line.18"></a>
<span class="sourceLineNo">019</span> * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307<a name="line.19"></a>
<span class="sourceLineNo">020</span> * USA<a name="line.20"></a>
<span class="sourceLineNo">021</span> */<a name="line.21"></a>
<span class="sourceLineNo">022</span><a name="line.22"></a>
<span class="sourceLineNo">023</span>package net.sourceforge.cobertura.instrument;<a name="line.23"></a>
<span class="sourceLineNo">024</span><a name="line.24"></a>
<span class="sourceLineNo">025</span>import java.util.Collection;<a name="line.25"></a>
<span class="sourceLineNo">026</span><a name="line.26"></a>
<span class="sourceLineNo">027</span>import net.sourceforge.cobertura.coveragedata.ClassData;<a name="line.27"></a>
<span class="sourceLineNo">028</span>import net.sourceforge.cobertura.coveragedata.ProjectData;<a name="line.28"></a>
<span class="sourceLineNo">029</span><a name="line.29"></a>
<span class="sourceLineNo">030</span>import org.apache.log4j.Logger;<a name="line.30"></a>
<span class="sourceLineNo">031</span>import org.objectweb.asm.ClassAdapter;<a name="line.31"></a>
<span class="sourceLineNo">032</span>import org.objectweb.asm.ClassVisitor;<a name="line.32"></a>
<span class="sourceLineNo">033</span>import org.objectweb.asm.MethodVisitor;<a name="line.33"></a>
<span class="sourceLineNo">034</span>import org.objectweb.asm.Opcodes;<a name="line.34"></a>
<span class="sourceLineNo">035</span><a name="line.35"></a>
<span class="sourceLineNo">036</span>class ClassInstrumenter extends ClassAdapter<a name="line.36"></a>
<span class="sourceLineNo">037</span>{<a name="line.37"></a>
<span class="sourceLineNo">038</span><a name="line.38"></a>
<span class="sourceLineNo">039</span> private static final Logger logger = Logger<a name="line.39"></a>
<span class="sourceLineNo">040</span> .getLogger(ClassInstrumenter.class);<a name="line.40"></a>
<span class="sourceLineNo">041</span><a name="line.41"></a>
<span class="sourceLineNo">042</span> private final static String hasBeenInstrumented = "net/sourceforge/cobertura/coveragedata/HasBeenInstrumented";<a name="line.42"></a>
<span class="sourceLineNo">043</span><a name="line.43"></a>
<span class="sourceLineNo">044</span> private Collection ignoreRegexs;<a name="line.44"></a>
<span class="sourceLineNo">045</span><a name="line.45"></a>
<span class="sourceLineNo">046</span> private Collection ignoreBranchesRegexs;<a name="line.46"></a>
<span class="sourceLineNo">047</span><a name="line.47"></a>
<span class="sourceLineNo">048</span> private ProjectData projectData;<a name="line.48"></a>
<span class="sourceLineNo">049</span><a name="line.49"></a>
<span class="sourceLineNo">050</span> private ClassData classData;<a name="line.50"></a>
<span class="sourceLineNo">051</span><a name="line.51"></a>
<span class="sourceLineNo">052</span> private String myName;<a name="line.52"></a>
<span class="sourceLineNo">053</span><a name="line.53"></a>
<span class="sourceLineNo">054</span> private boolean instrument = false;<a name="line.54"></a>
<span class="sourceLineNo">055</span><a name="line.55"></a>
<span class="sourceLineNo">056</span> public String getClassName()<a name="line.56"></a>
<span class="sourceLineNo">057</span> {<a name="line.57"></a>
<span class="sourceLineNo">058</span> return this.myName;<a name="line.58"></a>
<span class="sourceLineNo">059</span> }<a name="line.59"></a>
<span class="sourceLineNo">060</span><a name="line.60"></a>
<span class="sourceLineNo">061</span> public boolean isInstrumented()<a name="line.61"></a>
<span class="sourceLineNo">062</span> {<a name="line.62"></a>
<span class="sourceLineNo">063</span> return instrument;<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> public ClassInstrumenter(ProjectData projectData, final ClassVisitor cv,<a name="line.66"></a>
<span class="sourceLineNo">067</span> final Collection ignoreRegexs, final Collection ignoreBranchesRegexes)<a name="line.67"></a>
<span class="sourceLineNo">068</span> {<a name="line.68"></a>
<span class="sourceLineNo">069</span> super(cv);<a name="line.69"></a>
<span class="sourceLineNo">070</span> this.projectData = projectData;<a name="line.70"></a>
<span class="sourceLineNo">071</span> this.ignoreRegexs = ignoreRegexs;<a name="line.71"></a>
<span class="sourceLineNo">072</span> this.ignoreBranchesRegexs = ignoreBranchesRegexs;<a name="line.72"></a>
<span class="sourceLineNo">073</span> }<a name="line.73"></a>
<span class="sourceLineNo">074</span><a name="line.74"></a>
<span class="sourceLineNo">075</span> private boolean arrayContains(Object[] array, Object key)<a name="line.75"></a>
<span class="sourceLineNo">076</span> {<a name="line.76"></a>
<span class="sourceLineNo">077</span> for (int i = 0; i < array.length; i++)<a name="line.77"></a>
<span class="sourceLineNo">078</span> {<a name="line.78"></a>
<span class="sourceLineNo">079</span> if (array[i].equals(key))<a name="line.79"></a>
<span class="sourceLineNo">080</span> return true;<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> return false;<a name="line.83"></a>
<span class="sourceLineNo">084</span> }<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> * @param name In the format<a name="line.87"></a>
<span class="sourceLineNo">088</span> * "net/sourceforge/cobertura/coverage/ClassInstrumenter"<a name="line.88"></a>
<span class="sourceLineNo">089</span> */<a name="line.89"></a>
<span class="sourceLineNo">090</span> public void visit(int version, int access, String name, String signature,<a name="line.90"></a>
<span class="sourceLineNo">091</span> String superName, String[] interfaces)<a name="line.91"></a>
<span class="sourceLineNo">092</span> {<a name="line.92"></a>
<span class="sourceLineNo">093</span> this.myName = name.replace('/', '.');<a name="line.93"></a>
<span class="sourceLineNo">094</span> this.classData = this.projectData.getOrCreateClassData(this.myName);<a name="line.94"></a>
<span class="sourceLineNo">095</span> this.classData.setContainsInstrumentationInfo();<a name="line.95"></a>
<span class="sourceLineNo">096</span><a name="line.96"></a>
<span class="sourceLineNo">097</span> // Do not attempt to instrument interfaces or classes that<a name="line.97"></a>
<span class="sourceLineNo">098</span> // have already been instrumented<a name="line.98"></a>
<span class="sourceLineNo">099</span> if (((access & Opcodes.ACC_INTERFACE) != 0)<a name="line.99"></a>
<span class="sourceLineNo">100</span> || arrayContains(interfaces, hasBeenInstrumented))<a name="line.100"></a>
<span class="sourceLineNo">101</span> {<a name="line.101"></a>
<span class="sourceLineNo">102</span> super.visit(version, access, name, signature, superName,<a name="line.102"></a>
<span class="sourceLineNo">103</span> interfaces);<a name="line.103"></a>
<span class="sourceLineNo">104</span> }<a name="line.104"></a>
<span class="sourceLineNo">105</span> else<a name="line.105"></a>
<span class="sourceLineNo">106</span> {<a name="line.106"></a>
<span class="sourceLineNo">107</span> instrument = true;<a name="line.107"></a>
<span class="sourceLineNo">108</span><a name="line.108"></a>
<span class="sourceLineNo">109</span> // Flag this class as having been instrumented<a name="line.109"></a>
<span class="sourceLineNo">110</span> String[] newInterfaces = new String[interfaces.length + 1];<a name="line.110"></a>
<span class="sourceLineNo">111</span> System.arraycopy(interfaces, 0, newInterfaces, 0,<a name="line.111"></a>
<span class="sourceLineNo">112</span> interfaces.length);<a name="line.112"></a>
<span class="sourceLineNo">113</span> newInterfaces[newInterfaces.length - 1] = hasBeenInstrumented;<a name="line.113"></a>
<span class="sourceLineNo">114</span><a name="line.114"></a>
<span class="sourceLineNo">115</span> super.visit(version, access, name, signature, superName,<a name="line.115"></a>
<span class="sourceLineNo">116</span> newInterfaces);<a name="line.116"></a>
<span class="sourceLineNo">117</span> }<a name="line.117"></a>
<span class="sourceLineNo">118</span> }<a name="line.118"></a>
<span class="sourceLineNo">119</span><a name="line.119"></a>
<span class="sourceLineNo">120</span> /**<a name="line.120"></a>
<span class="sourceLineNo">121</span> * @param source In the format "ClassInstrumenter.java"<a name="line.121"></a>
<span class="sourceLineNo">122</span> */<a name="line.122"></a>
<span class="sourceLineNo">123</span> public void visitSource(String source, String debug)<a name="line.123"></a>
<span class="sourceLineNo">124</span> {<a name="line.124"></a>
<span class="sourceLineNo">125</span> super.visitSource(source, debug);<a name="line.125"></a>
<span class="sourceLineNo">126</span> classData.setSourceFileName(source);<a name="line.126"></a>
<span class="sourceLineNo">127</span> }<a name="line.127"></a>
<span class="sourceLineNo">128</span><a name="line.128"></a>
<span class="sourceLineNo">129</span> public MethodVisitor visitMethod(final int access, final String name,<a name="line.129"></a>
<span class="sourceLineNo">130</span> final String desc, final String signature,<a name="line.130"></a>
<span class="sourceLineNo">131</span> final String[] exceptions)<a name="line.131"></a>
<span class="sourceLineNo">132</span> {<a name="line.132"></a>
<span class="sourceLineNo">133</span> MethodVisitor mv = cv.visitMethod(access, name, desc, signature,<a name="line.133"></a>
<span class="sourceLineNo">134</span> exceptions);<a name="line.134"></a>
<span class="sourceLineNo">135</span><a name="line.135"></a>
<span class="sourceLineNo">136</span> if (!instrument)<a name="line.136"></a>
<span class="sourceLineNo">137</span> return mv;<a name="line.137"></a>
<span class="sourceLineNo">138</span><a name="line.138"></a>
<span class="sourceLineNo">139</span> return mv == null ? null : new FirstPassMethodInstrumenter(classData, mv,<a name="line.139"></a>
<span class="sourceLineNo">140</span> this.myName, access, name, desc, signature, exceptions, ignoreRegexs, <a name="line.140"></a>
<span class="sourceLineNo">141</span> ignoreBranchesRegexs);<a name="line.141"></a>
<span class="sourceLineNo">142</span> }<a name="line.142"></a>
<span class="sourceLineNo">143</span><a name="line.143"></a>
<span class="sourceLineNo">144</span> public void visitEnd()<a name="line.144"></a>
<span class="sourceLineNo">145</span> {<a name="line.145"></a>
<span class="sourceLineNo">146</span> if (instrument && classData.getNumberOfValidLines() == 0)<a name="line.146"></a>
<span class="sourceLineNo">147</span> logger.warn("No line number information found for class "<a name="line.147"></a>
<span class="sourceLineNo">148</span> + this.myName<a name="line.148"></a>
<span class="sourceLineNo">149</span> + ". Perhaps you need to compile with debug=true?");<a name="line.149"></a>
<span class="sourceLineNo">150</span> }<a name="line.150"></a>
<span class="sourceLineNo">151</span><a name="line.151"></a>
<span class="sourceLineNo">152</span>}<a name="line.152"></a>
</pre>
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