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/ * *
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* Copyright ( c ) 2012 , md_5 . All rights reserved .
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*
* Redistribution and use in source and binary forms , with or without
* modification , are permitted provided that the following conditions are met :
*
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* Redistributions of source code must retain the above copyright notice , this
* list of conditions and the following disclaimer .
*
* Redistributions in binary form must reproduce the above copyright notice ,
* this list of conditions and the following disclaimer in the documentation
* and / or other materials provided with the distribution .
*
* The name of the author may not be used to endorse or promote products derived
* from this software without specific prior written permission .
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS " AS IS "
* AND ANY EXPRESS OR IMPLIED WARRANTIES , INCLUDING , BUT NOT LIMITED TO , THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED . IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
* LIABLE FOR ANY DIRECT , INDIRECT , INCIDENTAL , SPECIAL , EXEMPLARY , OR
* CONSEQUENTIAL DAMAGES ( INCLUDING , BUT NOT LIMITED TO , PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES ; LOSS OF USE , DATA , OR PROFITS ; OR BUSINESS
* INTERRUPTION ) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY , WHETHER IN
* CONTRACT , STRICT LIABILITY , OR TORT ( INCLUDING NEGLIGENCE OR OTHERWISE )
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE , EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE .
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* /
package net.md_5.specialsource ;
import java.io.File ;
import java.io.IOException ;
import org.objectweb.asm.ClassReader ;
public class SpecialSource {
public static void main ( String [ ] args ) throws Exception {
if ( args . length ! = 3 ) {
System . err . println ( " SpecialSource takes 3 arguments. It will take 2 jars to generate a difference between, and a 3rd jar based on the first jar to rename to the second jar. " ) ;
System . err . println ( " Usage: java -jar SpecialSource.jar <first jar> <second jar> <jar of first names> " ) ;
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System . err . println ( " It is currently tuned to only accept a Minecraft v1.4.5 server jar as the 2 jars to compare " ) ;
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return ;
}
System . out . println ( " Reading jars " ) ;
Jar jar1 = Jar . init ( args [ 0 ] ) ;
Jar jar2 = Jar . init ( args [ 1 ] ) ;
System . out . println ( " Creating jar compare " ) ;
JarComparer visitor1 = new JarComparer ( jar1 ) ;
JarComparer visitor2 = new JarComparer ( jar2 ) ;
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visit ( new Pair < Jar > ( jar1 , jar2 ) , new Pair < JarComparer > ( visitor1 , visitor2 ) , new Pair < String > ( jar1 . main , jar2 . main ) ) ;
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System . out . println ( " Renaming final jar " ) ;
JarRemapper . renameJar ( Jar . init ( args [ 2 ] ) , new File ( " out.jar " ) , visitor1 , visitor2 ) ;
}
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private static void visit ( Pair < Jar > jars , Pair < JarComparer > visitors , Pair < String > classes ) throws IOException {
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JarComparer visitor1 = visitors . first ;
JarComparer visitor2 = visitors . second ;
ClassReader clazz1 = new ClassReader ( jars . first . getClass ( classes . first ) ) ;
ClassReader clazz2 = new ClassReader ( jars . second . getClass ( classes . second ) ) ;
clazz1 . accept ( visitor1 , 0 ) ;
clazz2 . accept ( visitor2 , 0 ) ;
validate ( visitor1 , visitor2 ) ;
while ( visitor1 . iterDepth < visitor1 . classes . size ( ) ) {
String className1 = visitor1 . classes . get ( visitor1 . iterDepth ) ;
String className2 = visitor2 . classes . get ( visitor1 . iterDepth ) ;
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Pair < String > pair = new Pair < String > ( className1 , className2 ) ;
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visitor1 . iterDepth + + ;
visit ( jars , visitors , pair ) ;
}
}
public static void validate ( JarComparer visitor1 , JarComparer visitor2 ) {
if ( visitor1 . classes . size ( ) ! = visitor2 . classes . size ( ) ) {
throw new IllegalStateException ( " classes " ) ;
}
if ( visitor1 . fields . size ( ) ! = visitor2 . fields . size ( ) ) {
throw new IllegalStateException ( " fields " ) ;
}
if ( visitor1 . methods . size ( ) ! = visitor2 . methods . size ( ) ) {
throw new IllegalStateException ( " methods " ) ;
}
}
}