org.aspectj/bcel-builder/src/org/aspectj/apache/bcel/classfile/annotation/EnumElementValue.java

/* *******************************************************************
 * Copyright (c) 2004 IBM
 * All rights reserved. 
 * This program and the accompanying materials are made available 
 * under the terms of the Common Public License v1.0 
 * which accompanies this distribution and is available at 
 * http://www.eclipse.org/legal/cpl-v10.html 
 *  
 * Contributors: 
 *     Andy Clement -     initial implementation {date}
 * ******************************************************************/

package org.aspectj.apache.bcel.classfile.annotation;

import java.io.DataOutputStream;
import java.io.IOException;

import org.aspectj.apache.bcel.Constants;
import org.aspectj.apache.bcel.classfile.ConstantPool;
import org.aspectj.apache.bcel.classfile.ConstantUtf8;
import org.aspectj.apache.bcel.classfile.Utility;


public class EnumElementValue extends ElementValue {
	
	// For enum types, these two indices point to the type and value
	private int typeIdx;
	private int valueIdx;
	
    public EnumElementValue(int type,int typeIdx,int valueIdx,ConstantPool cpool) {
    	super(type,cpool);
    	if (type != ENUM_CONSTANT) 
    		throw new RuntimeException("Only element values of type enum can be built with this ctor");
    	this.typeIdx = typeIdx;
    	this.valueIdx= valueIdx;
    }
    
    public void dump(DataOutputStream dos) throws IOException {
    	dos.writeByte(type);      // u1 type of value (ENUM_CONSTANT == 'e')
		dos.writeShort(typeIdx);  // u2
		dos.writeShort(valueIdx); // u2
    }
    
    public String stringifyValue() {
    	ConstantUtf8 cu8 = (ConstantUtf8)cpool.getConstant(valueIdx,Constants.CONSTANT_Utf8);
		return cu8.getBytes();
    }
    
    public String getEnumTypeString() {
    	ConstantUtf8 cu8 = (ConstantUtf8)cpool.getConstant(typeIdx,Constants.CONSTANT_Utf8);
		return Utility.signatureToString(cu8.getBytes());
    }
    
	public String getEnumValueString() {
	   	ConstantUtf8 cu8 = (ConstantUtf8)cpool.getConstant(valueIdx,Constants.CONSTANT_Utf8);
		return cu8.getBytes();
	}
    
    public int getValueIndex() { return valueIdx;}
    public int getTypeIndex()  { return typeIdx; }

   
}