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/*******************************************************************************
* Copyright (c) 2014 Jeff Martin.
* All rights reserved. This program and the accompanying materials
* are made available under the terms of the GNU Public License v3.0
* which accompanies this distribution, and is available at
* http://www.gnu.org/licenses/gpl.html
*
* Contributors:
* Jeff Martin - initial API and implementation
******************************************************************************/
package cuchaz.enigma.convert;
import java.io.File;
import java.io.IOException;
import java.util.jar.JarFile;
import javassist.CtClass;
import com.google.common.collect.HashMultiset;
import com.google.common.collect.Multiset;
import cuchaz.enigma.analysis.JarClassIterator;
public class ClassMapper
{
public static void main( String[] args )
throws IOException
{
// TEMP
JarFile fromJar = new JarFile( new File( "input/1.8-pre1.jar" ) );
JarFile toJar = new JarFile( new File( "input/1.8-pre2.jar" ) );
new ClassMapper( fromJar, toJar );
}
public ClassMapper( JarFile a, JarFile b )
{
int numAClasses = JarClassIterator.getClassEntries( a ).size();
int numBClasses = JarClassIterator.getClassEntries( b ).size();
// TEMP
System.out.println( "A classes: " + numAClasses );
System.out.println( "B classes: " + numBClasses );
// compute the a classes
Multiset<ClassIdentity> aclasses = HashMultiset.create();
for( CtClass c : JarClassIterator.classes( a ) )
{
ClassIdentity aclass = new ClassIdentity( c );
aclasses.add( aclass );
}
int numMatches = 0;
// match the b classes to the a classes
for( CtClass c : JarClassIterator.classes( b ) )
{
ClassIdentity bclass = new ClassIdentity( c );
if( aclasses.contains( bclass ) )
{
numMatches++;
}
// TEMP
//System.out.println( bclass );
}
// TEMP
System.out.println( String.format( "Class matches: %d/%d (missing %d)",
numMatches, aclasses.size(), aclasses.size() - numMatches
) );
}
}
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