Miscellany

package com.nak.transform;import java.lang.reflect.Modifier;import java.util.ArrayList;import java.util.Iterator;import org.apache.bcel.classfile.Field;import org.apache.bcel.classfile.JavaClass;import org.apache.bcel.classfile.Method;import org.apache.bcel.generic.InstructionHandle;import org.apache.bcel.generic.InstructionList;import org.apache.bcel.generic.SIPUSH;import org.apache.bcel.util.InstructionFinder;public class EntityFinder extends JavaClassTransformer {	public JavaClass transform(JavaClass javaClass) {		if(javaClass.getInterfaceNames().length != 0) {			return null;		}		ArrayList<Field> nonStaticFields = new ArrayList<Field>();		for(Field field : javaClass.getFields()) {			if(!Modifier.isStatic(field.getModifiers())) {				nonStaticFields.add(field);			}		}		if(nonStaticFields.size() == 1) {			if(nonStaticFields.get(0).getType().toString().equals("int")) {				System.out.println(javaClass.getClassName());				for(Method method : javaClass.getMethods()) {					if(method.getName().equals("<init>")) {						Iterator iterator = new InstructionFinder(new InstructionList(method.getCode().getCode())).search("sipush");						while(iterator.hasNext()) {							if(((SIPUSH)((InstructionHandle[])iterator.next())[0].getInstruction()).getValue().intValue() == 1000) {								System.out.println("Entity: " + javaClass.getClassName());							}						}					}				}			}		}		return null;	}}