/*
* reserved comment block
* DO NOT REMOVE OR ALTER!
*/
/*
* Copyright 1999-2005 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.org.apache.xml.internal.security.utils;
import java.io.ByteArrayOutputStream;
/**
* A simple Unsynced ByteArryOutputStream
* @author raul
*
*/
public class UnsyncByteArrayOutputStream extends ByteArrayOutputStream {
int size=4*1024;
byte []buf=new byte[size];
int pos;
/** @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;
}
}