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