/**************************************************************************
* 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: FilterOutputStream.java,v 1.2 2006/10/04 14:24:15 cvsroot Exp $
*/
package java.io;
public class FilterOutputStream extends OutputStream {
protected OutputStream out;
public FilterOutputStream(OutputStream out) {
this.out = out;
}
public void write(int b) throws IOException {
out.write(b);
}
public void write(byte b[]) throws IOException, NullPointerException {
// if b=null then b.length will trigger the NullPointerException
write(b, 0, b.length);
// instead of writing directly to out we use a write defined within this class
// this has the advantage that a class subclasses this one it will call the write from
// that class. Example writing to a BufferedOutputStream ...
}
public void write(byte b[], int off, int len)
throws IOException,
NullPointerException,
ArrayIndexOutOfBoundsException
{
// if b=null then b.length will trigger the NullPointerException
if (off < 0 || len < 0 || off > b.length - len) {
throw new ArrayIndexOutOfBoundsException();
}
out.write(b, off, len);
}
public void flush() throws IOException {
out.flush();
}
public void close() throws IOException {
flush();
out.close();
}
}