import java.io.*;

import java.util.Iterator;
import org.apache.bcel.*;
import org.apache.bcel.classfile.*;
import org.apache.bcel.generic.*;
import org.apache.bcel.Repository;

public class Decompiler
{
  public static void main(String[] argv)
  {
    try
    {
      // Load the class from CLASSPATH.
      JavaClass       clazz   = Repository.lookupClass(argv[0]);
      Method[]        methods = clazz.getMethods();
      ConstantPoolGen cp = new ConstantPoolGen(clazz.getConstantPool());
      InstructionFactory f = new InstructionFactory(cp);

      for(int i=0; i < methods.length; i++)
      {
        Method m = methods[i];
        MethodGen mg = new MethodGen(m, clazz.getClassName(), cp);
        decompileMethod(mg, f);
      }
    }
    catch(Exception e)
    {
      e.printStackTrace();
    }
  }

  private static final void decompileMethod(MethodGen mg, InstructionFactory f)
  {
    InstructionList   il    = mg.getInstructionList();
    int               count = 0;

    System.out.println("Method " + mg.getName());
    InstructionHandle ih = il.getStart();
    while (ih != null) {
      System.out.println(ih.toString());
      ih = ih.getNext();
    }

    il.dispose(); // Reuse instruction handles
  }
}