/*
* Copyright 2000-2004 The Apache Software Foundation
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*
*/
import org.apache.bcel.Repository;
import org.apache.bcel.classfile.ClassParser;
import org.apache.bcel.classfile.Field;
import org.apache.bcel.classfile.JavaClass;
import org.apache.bcel.classfile.Method;
import org.apache.bcel.generic.ClassGen;
import org.apache.bcel.generic.FieldGen;
import org.apache.bcel.generic.MethodGen;
/**
* Test BCEL if an input file is identical to the outfile generated
* with BCEL. Of course there may some small differences, e.g., because
* BCEL generates local variable tables by default.
*
* Try to:
* <pre>
% java id <someclass>
% java listclass -code <someclass> > foo
% java listclass -code <someclass>.clazz > bar
% diff foo bar | more
* <pre>
*
* @version $Id: id.java 410087 2006-05-29 12:12:19Z tcurdt $
* @author <A HREF="mailto:m.dahm@gmx.de">M. Dahm</A>
*/
public class id {
public static void main(String[] argv) throws Exception {
JavaClass clazz = null;
if((clazz = Repository.lookupClass(argv[0])) == null) {
clazz = new ClassParser(argv[0]).parse(); // May throw IOException
}
ClassGen cg = new ClassGen(clazz);
Method[] methods = clazz.getMethods();
for(int i=0; i < methods.length; i++) {
MethodGen mg = new MethodGen(methods[i], cg.getClassName(), cg.getConstantPool());
cg.replaceMethod(methods[i], mg.getMethod());
}
Field[] fields = clazz.getFields();
for(int i=0; i < fields.length; i++) {
FieldGen fg = new FieldGen(fields[i], cg.getConstantPool());
cg.replaceField(fields[i], fg.getField());
}
cg.getJavaClass().dump(clazz.getClassName() + ".clazz");
}
}