/*
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* ProGuard -- shrinking, optimization, obfuscation, and preverification
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* of Java bytecode.
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*
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* Copyright (c) 2002-2014 Eric Lafortune (eric@graphics.cornell.edu)
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*
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* This program is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License as published by the Free
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* Software Foundation; either version 2 of the License, or (at your option)
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* any later version.
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*
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* This program is distributed in the hope that it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
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* more details.
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*
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* You should have received a copy of the GNU General Public License along
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* with this program; if not, write to the Free Software Foundation, Inc.,
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* 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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*/
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package proguard.wtk;
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import com.sun.kvem.environment.Obfuscator;
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import proguard.*;
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import java.io.*;
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/**
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* ProGuard plug-in for the J2ME Wireless Toolkit.
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* <p>
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* In order to integrate this plug-in in the toolkit, you'll have to put the
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* following lines in the file
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* {j2mewtk.dir}<code>/wtklib/Linux/ktools.properties</code> or
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* {j2mewtk.dir}<code>\wtklib\Windows\ktools.properties</code> (whichever is
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* applicable).
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* <p>
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* <pre>
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* obfuscator.runner.class.name: proguard.wtk.ProGuardObfuscator
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* obfuscator.runner.classpath: /usr/local/java/proguard1.6/lib/proguard.jar
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* </pre>
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* Please make sure the class path is set correctly for your system.
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*
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* @author Eric Lafortune
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*/
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public class ProGuardObfuscator implements Obfuscator
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{
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private static final String DEFAULT_CONFIGURATION = "default.pro";
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// Implementations for Obfuscator.
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public void createScriptFile(File jadFile,
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File projectDir)
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{
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// We don't really need to create a script file;
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// we'll just fill out all options in the run method.
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}
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public void run(File obfuscatedJarFile,
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String wtkBinDir,
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String wtkLibDir,
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String jarFileName,
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String projectDirName,
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String classPath,
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String emptyAPI)
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throws IOException
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{
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// Create the ProGuard configuration.
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Configuration configuration = new Configuration();
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// Parse the default configuration file.
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ConfigurationParser parser = new ConfigurationParser(this.getClass().getResource(DEFAULT_CONFIGURATION),
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System.getProperties());
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try
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{
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parser.parse(configuration);
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// Fill out the library class path.
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configuration.libraryJars = classPath(classPath);
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// Fill out the program class path (input and output).
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configuration.programJars = new ClassPath();
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configuration.programJars.add(new ClassPathEntry(new File(jarFileName), false));
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configuration.programJars.add(new ClassPathEntry(obfuscatedJarFile, true));
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// The preverify tool seems to unpack the resulting classes,
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// so we must not use mixed-case class names on Windows.
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configuration.useMixedCaseClassNames =
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!System.getProperty("os.name").regionMatches(true, 0, "windows", 0, 7);
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// Run ProGuard with these options.
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ProGuard proGuard = new ProGuard(configuration);
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proGuard.execute();
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}
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catch (ParseException ex)
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{
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throw new IOException(ex.getMessage());
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}
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finally
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{
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parser.close();
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}
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}
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/**
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* Converts the given class path String into a ClassPath object.
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*/
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private ClassPath classPath(String classPathString)
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{
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ClassPath classPath = new ClassPath();
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String separator = System.getProperty("path.separator");
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int index = 0;
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while (index < classPathString.length())
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{
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// Find the next separator, or the end of the String.
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int next_index = classPathString.indexOf(separator, index);
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if (next_index < 0)
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{
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next_index = classPathString.length();
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}
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// Create and add the found class path entry.
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ClassPathEntry classPathEntry =
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new ClassPathEntry(new File(classPathString.substring(index, next_index)),
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false);
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classPath.add(classPathEntry);
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// Continue after the separator.
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index = next_index + 1;
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}
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return classPath;
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}
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}
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