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This module contains the Metro runtime code.
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/*
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 *
 * Copyright (c) 1997-2010 Oracle and/or its affiliates. All rights reserved.
 *
 * The contents of this file are subject to the terms of either the GNU
 * General Public License Version 2 only ("GPL") or the Common Development
 * and Distribution License("CDDL") (collectively, the "License").  You
 * may not use this file except in compliance with the License.  You can
 * obtain a copy of the License at
 * https://glassfish.dev.java.net/public/CDDL+GPL_1_1.html
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/*
 * ByteArray.java
 *
 * Created on September 19, 2010, 8:19 AM
 *
 * To change this template, choose Tools | Options and locate the template under
 * the Source Creation and Management node. Right-click the template and choose
 * Open. You can then make changes to the template in the Source Editor.
 */

package com.sun.xml.wss.impl.misc;

/**
 *
 * @author [email protected]
 */
public class ByteArray {
    byte [] iv = null;
    byte [] ed = null;
    int length = 0;
    /** Creates a new instance of ByteArray */
    public ByteArray(byte [] iv, byte [] ed) {
        this.iv = iv;
        this.ed = ed;
        if(this.iv != null){
            length = iv.length;
        }
        if(this.ed != null){
            length = length+ed.length;
        }
    }
    
    public int getLength(){
        return length;
    }
    
    public byte byteAt(int i){
        if(i < 0 || i > length){
            throw new ArrayIndexOutOfBoundsException("Index "+i +" is out of range");
        }
        if(iv != null && i < iv.length){
            return iv[i];
        }else if (iv == null || iv.length == 0){
            return ed[i];
		}else{
            int index = i-iv.length;
            return ed[index];
        }
    }
}