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This module contains the Metro WSIT runtime code.
There is a newer version: 4.0.4
/*
 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER.
 *
 * 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
 * or packager/legal/LICENSE.txt.  See the License for the specific
 * language governing permissions and limitations under the License.
 *
 * When distributing the software, include this License Header Notice in each
 * file and include the License file at packager/legal/LICENSE.txt.
 *
 * GPL Classpath Exception:
 * Oracle designates this particular file as subject to the "Classpath"
 * exception as provided by Oracle in the GPL Version 2 section of the License
 * file that accompanied this code.
 *
 * Modifications:
 * If applicable, add the following below the License Header, with the fields
 * enclosed by brackets [] replaced by your own identifying information:
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 * If you wish your version of this file to be governed by only the CDDL or
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 * elects to include this software in this distribution under the [CDDL or GPL
 * Version 2] license."  If you don't indicate a single choice of license, a
 * recipient has the option to distribute your version of this file under
 * either the CDDL, the GPL Version 2 or to extend the choice of license to
 * its licensees as provided above.  However, if you add GPL Version 2 code
 * and therefore, elected the GPL Version 2 license, then the option applies
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/*
 * This file incorporates work covered by the following copyright and
 * permission notice:
 *
 * Copyright 1995-2005 The Apache Software Foundation
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

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

import java.io.ByteArrayOutputStream;

/**
 * A simple Unsynced ByteArryOutputStream
 * @author raul
 *
 */
public class UnsyncByteArrayOutputStream extends ByteArrayOutputStream {
    int size=4*1024;
    //redefines member buf : But this is a class obtained from Apache, see license above
    //Findbugs shows this as a correctness issue.
    byte []buf=null;
    int pos =0;
    
    public UnsyncByteArrayOutputStream() {
        buf =new byte[size];
    }
    
    public UnsyncByteArrayOutputStream(int size) {
        this.size = size;
        buf =new byte[size];
    }
    
    /** @inheritDoc */
    public void write(byte[] arg0) {
        int newPos=pos+arg0.length;
        if (newPos>size) {
            expandSize();
        }
        System.arraycopy(arg0,0,buf,pos,arg0.length);
        pos=newPos;
    }
    /** @inheritDoc */
    public void write(byte[] arg0, int arg1, int arg2) {
        int newPos=pos+arg2;
        if (newPos>size) {
            expandSize();
        }
        System.arraycopy(arg0,arg1,buf,pos,arg2);
        pos=newPos;
    }
    /** @inheritDoc */
    public void write(int arg0) {
        if (pos>=size) {
            expandSize();
        }
        buf[pos++]=(byte)arg0;
    }
    /** @inheritDoc */
    public byte[] toByteArray() {
        byte result[]=new byte[pos];
        System.arraycopy(buf,0,result,0,pos);
        return result;
    }
    
    /** @inheritDoc */
    public void reset() {
        pos=0;
    }
    
    /** @inheritDoc */
    void expandSize() {
        int newSize=size<<2;
        byte newBuf[]=new byte[newSize];
        System.arraycopy(buf,0,newBuf,0,pos);
        buf=newBuf;
        size=newSize;
    }
    
    public int getLength(){
        return pos;
    }
    
    public byte[] getBytes(){
        return buf;
    }
}