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/*
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*
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*
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* 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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*
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* file and include the License file at packager/legal/LICENSE.txt.
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* file that accompanied this code.
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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;
}
}
