/**************************************************************************
* Copyright (c) 2001 by Punch Telematix. All rights reserved. *
* *
* Redistribution and use in source and binary forms, with or without *
* modification, are permitted provided that the following conditions *
* are met: *
* 1. Redistributions of source code must retain the above copyright *
* notice, this list of conditions and the following disclaimer. *
* 2. Redistributions in binary form must reproduce the above copyright *
* notice, this list of conditions and the following disclaimer in the *
* documentation and/or other materials provided with the distribution. *
* 3. Neither the name of Punch Telematix nor the names of *
* other contributors may be used to endorse or promote products *
* derived from this software without specific prior written permission.*
* *
* THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESS OR IMPLIED *
* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF *
* MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. *
* IN NO EVENT SHALL PUNCH TELEMATIX OR OTHER CONTRIBUTORS BE LIABLE *
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR *
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF *
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR *
* BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, *
* WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE *
* OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN *
* IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. *
**************************************************************************/
/*
** $Id: ByteArrayOutputStream.java,v 1.2 2006/10/04 14:24:14 cvsroot Exp $
*/
package java.io;
public class ByteArrayOutputStream extends OutputStream {
protected byte[] buf;
protected int count;
public ByteArrayOutputStream(){
this(32);
}
public ByteArrayOutputStream(int size) {
if (size < 0){
throw new IllegalArgumentException("negative size "+size);
}
buf = new byte[size];
}
public synchronized void write(int b) {
if(buf.length <= count){
byte[] bytes = new byte[(count+1)*2];
System.arraycopy(buf,0,bytes,0,count);
buf = bytes;
}
buf[count++] = (byte)b;
}
public synchronized void write(byte[] b, int off, int len) {
if(off < 0 || len < 0 || off > b.length - len){
throw new IndexOutOfBoundsException();
}
if(count+len > buf.length){
int c = (count+1)*2;
byte[] bytes = new byte[c > count+len ? c : count+len];
System.arraycopy(buf,0,bytes,0,count);
buf = bytes;
}
System.arraycopy(b,off,buf,count,len);
count += len;
}
public int size() {
return count;
}
public synchronized void reset() {
count = 0;
}
public synchronized byte[] toByteArray() {
byte[] result = new byte[count];
System.arraycopy(buf,0,result,0,count);
return result;
}
public String toString() {
// uses default encoding ...
return new String(buf, 0, count);
}
/**
** @deprecated
*/
public String toString(int hibyte) {
return new String(buf, hibyte, 0, count);
}
public String toString(String enc) throws UnsupportedEncodingException {
return new String(buf, 0, count, enc);
}
public synchronized void writeTo(OutputStream out) throws IOException {
out.write(buf, 0, count);
}
public void close() throws IOException {}
}