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<FONT color="green">001</FONT> // Copyright (C) 2004-2006 Ferdinand Prantl <prantl@host.sk><a name="line.1"></a>
<FONT color="green">002</FONT> // All rights reserved.<a name="line.2"></a>
<FONT color="green">003</FONT> //<a name="line.3"></a>
<FONT color="green">004</FONT> // This library is free software; you can redistribute it and/or<a name="line.4"></a>
<FONT color="green">005</FONT> // modify it under the terms of the GNU Library General Public<a name="line.5"></a>
<FONT color="green">006</FONT> // License as published by the Free Software Foundation; either<a name="line.6"></a>
<FONT color="green">007</FONT> // version 2 of the License, or (at your option) any later version.<a name="line.7"></a>
<FONT color="green">008</FONT> //<a name="line.8"></a>
<FONT color="green">009</FONT> // This library is distributed in the hope that it will be useful,<a name="line.9"></a>
<FONT color="green">010</FONT> // but WITHOUT ANY WARRANTY; without even the implied warranty of<a name="line.10"></a>
<FONT color="green">011</FONT> // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the<a name="line.11"></a>
<FONT color="green">012</FONT> // GNU Library General Public License for more details.<a name="line.12"></a>
<FONT color="green">013</FONT> //<a name="line.13"></a>
<FONT color="green">014</FONT> // You should have received a copy of the GNU Library General<a name="line.14"></a>
<FONT color="green">015</FONT> // Public License along with this library; if not, write to the<a name="line.15"></a>
<FONT color="green">016</FONT> // Free Software Foundation, Inc., 59 Temple Place - Suite 330,<a name="line.16"></a>
<FONT color="green">017</FONT> // Boston, MA 02111-1307, USA.<a name="line.17"></a>
<FONT color="green">018</FONT> //<a name="line.18"></a>
<FONT color="green">019</FONT> // See http://prantl.host.sk/jarin or http://jarin.sourceforge.net<a name="line.19"></a>
<FONT color="green">020</FONT> // for the most recent version and more information.<a name="line.20"></a>
<FONT color="green">021</FONT> <a name="line.21"></a>
<FONT color="green">022</FONT> package sk.host.prantl.jarek;<a name="line.22"></a>
<FONT color="green">023</FONT> <a name="line.23"></a>
<FONT color="green">024</FONT> import java.io.File;<a name="line.24"></a>
<FONT color="green">025</FONT> import java.io.IOException;<a name="line.25"></a>
<FONT color="green">026</FONT> import java.lang.reflect.Constructor;<a name="line.26"></a>
<FONT color="green">027</FONT> import java.lang.reflect.Field;<a name="line.27"></a>
<FONT color="green">028</FONT> import java.lang.reflect.Method;<a name="line.28"></a>
<FONT color="green">029</FONT> import java.lang.reflect.Modifier;<a name="line.29"></a>
<FONT color="green">030</FONT> import java.net.URL;<a name="line.30"></a>
<FONT color="green">031</FONT> import java.net.URLClassLoader;<a name="line.31"></a>
<FONT color="green">032</FONT> import java.util.Enumeration;<a name="line.32"></a>
<FONT color="green">033</FONT> import java.util.HashSet;<a name="line.33"></a>
<FONT color="green">034</FONT> import java.util.Vector;<a name="line.34"></a>
<FONT color="green">035</FONT> import java.util.jar.JarEntry;<a name="line.35"></a>
<FONT color="green">036</FONT> import java.util.jar.JarFile;<a name="line.36"></a>
<FONT color="green">037</FONT> <a name="line.37"></a>
<FONT color="green">038</FONT> /**<a name="line.38"></a>
<FONT color="green">039</FONT> * Walks through the minimum class hierarchy necessary to wrap all the public and<a name="line.39"></a>
<FONT color="green">040</FONT> * protected interface of input classes with a possible subtree of classes to exclude from<a name="line.40"></a>
<FONT color="green">041</FONT> * the searching.<a name="line.41"></a>
<FONT color="green">042</FONT> */<a name="line.42"></a>
<FONT color="green">043</FONT> public class Analyzer extends Processor {<a name="line.43"></a>
<FONT color="green">044</FONT> <a name="line.44"></a>
<FONT color="green">045</FONT> // private final Class father_object = Object.class;<a name="line.45"></a>
<FONT color="green">046</FONT> private final Class father_exception = Throwable.class;<a name="line.46"></a>
<FONT color="green">047</FONT> private Vector incoming = new Vector();<a name="line.47"></a>
<FONT color="green">048</FONT> private Vector outgoing = new Vector();<a name="line.48"></a>
<FONT color="green">049</FONT> private HashSet queued = new HashSet();<a name="line.49"></a>
<FONT color="green">050</FONT> private HashSet processed = new HashSet();<a name="line.50"></a>
<FONT color="green">051</FONT> private HashSet forbidden = new HashSet();<a name="line.51"></a>
<FONT color="green">052</FONT> private HashSet forced = new HashSet();<a name="line.52"></a>
<FONT color="green">053</FONT> private boolean java15 = System.getProperty("java.version").startsWith("1.5");<a name="line.53"></a>
<FONT color="green">054</FONT> private boolean quiet = false;<a name="line.54"></a>
<FONT color="green">055</FONT> private boolean verbose = false;<a name="line.55"></a>
<FONT color="green">056</FONT> private String[] scopes;<a name="line.56"></a>
<FONT color="green">057</FONT> <a name="line.57"></a>
<FONT color="green">058</FONT> public Analyzer(String[] includes, String[] archives, String[] scopes, boolean quiet,<a name="line.58"></a>
<FONT color="green">059</FONT> boolean verbose) {<a name="line.59"></a>
<FONT color="green">060</FONT> // initialize analysis for including classes only<a name="line.60"></a>
<FONT color="green">061</FONT> this.scopes = scopes;<a name="line.61"></a>
<FONT color="green">062</FONT> this.quiet = quiet;<a name="line.62"></a>
<FONT color="green">063</FONT> this.verbose = verbose;<a name="line.63"></a>
<FONT color="green">064</FONT> // queue all demanded classes<a name="line.64"></a>
<FONT color="green">065</FONT> for (int i = 0; i < includes.length; ++i)<a name="line.65"></a>
<FONT color="green">066</FONT> queueIncoming(includes[i]);<a name="line.66"></a>
<FONT color="green">067</FONT> // queue classes from all demanded archives<a name="line.67"></a>
<FONT color="green">068</FONT> for (int i = 0; i < archives.length; ++i) {<a name="line.68"></a>
<FONT color="green">069</FONT> Class[] classes = analyzeArchive(archives[i]);<a name="line.69"></a>
<FONT color="green">070</FONT> for (int j = 0; j < classes.length; ++j)<a name="line.70"></a>
<FONT color="green">071</FONT> queueIncomingUnchecked(classes[j]);<a name="line.71"></a>
<FONT color="green">072</FONT> }<a name="line.72"></a>
<FONT color="green">073</FONT> // add all anytime-necessary classes<a name="line.73"></a>
<FONT color="green">074</FONT> queueMandatory();<a name="line.74"></a>
<FONT color="green">075</FONT> }<a name="line.75"></a>
<FONT color="green">076</FONT> <a name="line.76"></a>
<FONT color="green">077</FONT> public Analyzer(String[] includes, String[] archives, String[] scopes,<a name="line.77"></a>
<FONT color="green">078</FONT> CompoundInfo[] excludes, boolean quiet, boolean verbose) {<a name="line.78"></a>
<FONT color="green">079</FONT> // initialize analysis for including classes with an exclusion set<a name="line.79"></a>
<FONT color="green">080</FONT> this.scopes = scopes;<a name="line.80"></a>
<FONT color="green">081</FONT> this.quiet = quiet;<a name="line.81"></a>
<FONT color="green">082</FONT> this.verbose = verbose;<a name="line.82"></a>
<FONT color="green">083</FONT> // queue all demanded classes to be processed<a name="line.83"></a>
<FONT color="green">084</FONT> for (int i = 0; i < includes.length; ++i) {<a name="line.84"></a>
<FONT color="green">085</FONT> String include = includes[i];<a name="line.85"></a>
<FONT color="green">086</FONT> forced.add(include);<a name="line.86"></a>
<FONT color="green">087</FONT> queueIncoming(include);<a name="line.87"></a>
<FONT color="green">088</FONT> }<a name="line.88"></a>
<FONT color="green">089</FONT> // mark all demanded classes to be queue all demanded classes to be processed<a name="line.89"></a>
<FONT color="green">090</FONT> for (int i = 0; i < excludes.length; ++i)<a name="line.90"></a>
<FONT color="green">091</FONT> forbidden.add(excludes[i].clazz.getName());<a name="line.91"></a>
<FONT color="green">092</FONT> // queue classes from all demanded archives<a name="line.92"></a>
<FONT color="green">093</FONT> for (int i = 0; i < archives.length; ++i) {<a name="line.93"></a>
<FONT color="green">094</FONT> Class[] classes = analyzeArchive(archives[i]);<a name="line.94"></a>
<FONT color="green">095</FONT> for (int j = 0; j < classes.length; ++j)<a name="line.95"></a>
<FONT color="green">096</FONT> queueIncoming(classes[j]);<a name="line.96"></a>
<FONT color="green">097</FONT> }<a name="line.97"></a>
<FONT color="green">098</FONT> // all anytime-necessary classes must be included in the set to exclude<a name="line.98"></a>
<FONT color="green">099</FONT> // (they have to be present in a dependent assembly); they are usually<a name="line.99"></a>
<FONT color="green">100</FONT> // created by another Analyzer object for a subset of all classes<a name="line.100"></a>
<FONT color="green">101</FONT> }<a name="line.101"></a>
<FONT color="green">102</FONT> <a name="line.102"></a>
<FONT color="green">103</FONT> private Class[] analyzeArchive(String archive) {<a name="line.103"></a>
<FONT color="green">104</FONT> Vector classes = new Vector();<a name="line.104"></a>
<FONT color="green">105</FONT> try {<a name="line.105"></a>
<FONT color="green">106</FONT> // open the archive and go through all its entries<a name="line.106"></a>
<FONT color="green">107</FONT> if (verbose)<a name="line.107"></a>
<FONT color="green">108</FONT> System.err.println("Opening \"" + archive + "\".");<a name="line.108"></a>
<FONT color="green">109</FONT> ClassLoader loader = new URLClassLoader(<a name="line.109"></a>
<FONT color="green">110</FONT> new URL[] { new File(archive).toURL() });<a name="line.110"></a>
<FONT color="green">111</FONT> JarFile jar = new JarFile(archive);<a name="line.111"></a>
<FONT color="green">112</FONT> Enumeration entries = jar.entries();<a name="line.112"></a>
<FONT color="green">113</FONT> while (entries.hasMoreElements()) {<a name="line.113"></a>
<FONT color="green">114</FONT> JarEntry entry = (JarEntry) entries.nextElement();<a name="line.114"></a>
<FONT color="green">115</FONT> // select files with compiled classes only, and outer classes only<a name="line.115"></a>
<FONT color="green">116</FONT> // inner classes pull out the next phase<a name="line.116"></a>
<FONT color="green">117</FONT> if (!entry.isDirectory()) {<a name="line.117"></a>
<FONT color="green">118</FONT> String name = entry.getName();<a name="line.118"></a>
<FONT color="green">119</FONT> if (name.endsWith(".class") && name.indexOf('$') < 0) {<a name="line.119"></a>
<FONT color="green">120</FONT> // translate the filename /path/to/Class.class to the class name<a name="line.120"></a>
<FONT color="green">121</FONT> // path.to.Class<a name="line.121"></a>
<FONT color="green">122</FONT> // and try to load and remember the class<a name="line.122"></a>
<FONT color="green">123</FONT> name = name.substring(0, name.length() - 6).replace('/', '.');<a name="line.123"></a>
<FONT color="green">124</FONT> if (hasFilteredScope(name)) {<a name="line.124"></a>
<FONT color="green">125</FONT> if (verbose)<a name="line.125"></a>
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