org.aspectj/bcel-builder/src/org/aspectj/apache/bcel/generic/annotation/ElementNameValuePairGen.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 
 * ******************************************************************/

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

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

import org.aspectj.apache.bcel.classfile.ConstantUtf8;
import org.aspectj.apache.bcel.classfile.annotation.ElementNameValuePair;
import org.aspectj.apache.bcel.generic.ConstantPoolGen;


public class ElementNameValuePairGen {
	private int nameIdx;
	private ElementValueGen value;
	private ConstantPoolGen cpool;

	public ElementNameValuePairGen(ElementNameValuePair nvp, ConstantPoolGen cpool) {
		this.cpool = cpool;
		// J5ASSERT:
		// Could assert nvp.getNameString() points to the same thing as cpool.getConstant(nvp.getNameIndex())
		nameIdx = nvp.getNameIndex();
		value = ElementValueGen.copy(nvp.getValue(),cpool);
	}


	protected ElementNameValuePairGen(int idx,ElementValueGen value,ConstantPoolGen cpool) {
		this.nameIdx = idx;
		this.value   = value;
		this.cpool   = cpool;
	}
	
	public ElementNameValuePairGen(String name,ElementValueGen value,ConstantPoolGen cpool) {
		this.nameIdx = cpool.addUtf8(name);
		this.value   = value;
		this.cpool   = cpool;
	}
	
	protected void dump(DataOutputStream dos) throws IOException {
		dos.writeShort(nameIdx); // u2 name of the element
		value.dump(dos);
	}
	
	public int getNameIndex() {
		return nameIdx;
	}
	
	public final String getNameString() {
//	  ConstantString cu8 = (ConstantString)cpool.getConstant(nameIdx);
      return ((ConstantUtf8)cpool.getConstant(nameIdx)).getBytes();
	}
	
	public final ElementValueGen getValue() {
		return value;
	}
	
	public String toString() {
		return "ElementNameValuePair:["+getNameString()+"="+value.stringifyValue()+"]";
	}
}