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Pretty standard classes. A stream to count the number of bytes that
go by it (logging) and a stream for branching into two streams. git-svn-id: https://svn.apache.org/repos/asf/jakarta/commons/proper/io/trunk@140295 13f79535-47bb-0310-9956-ffa450edef68
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‎src/java/org/apache/commons/io/CountingOutputStream.java‎

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package org.apache.commons.io;
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/* ====================================================================
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* The Apache Software License, Version 1.1
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*
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* Copyright (c) 2001 The Apache Software Foundation. All rights
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* reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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*
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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*
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in
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* the documentation and/or other materials provided with the
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* distribution.
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*
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* 3. The end-user documentation included with the redistribution,
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* if any, must include the following acknowledgment:
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* "This product includes software developed by the
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* Apache Software Foundation (http://www.apache.org/)."
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* Alternately, this acknowledgment may appear in the software itself,
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* if and wherever such third-party acknowledgments normally appear.
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*
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* 4. The names "Apache" and "Apache Software Foundation" and
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* "Apache Turbine" must not be used to endorse or promote products
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* derived from this software without prior written permission. For
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* written permission, please contact apache@apache.org.
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*
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* 5. Products derived from this software may not be called "Apache",
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* "Apache Turbine", nor may "Apache" appear in their name, without
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* prior written permission of the Apache Software Foundation.
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*
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* THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED
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* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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* DISCLAIMED. IN NO EVENT SHALL THE APACHE SOFTWARE FOUNDATION OR
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* ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
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* USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
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* ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
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* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
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* OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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* ====================================================================
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*
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* This software consists of voluntary contributions made by many
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* individuals on behalf of the Apache Software Foundation. For more
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* information on the Apache Software Foundation, please see
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* <http://www.apache.org/>.
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*/
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import java.io.IOException;
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import java.io.OutputStream;
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import java.io.FilterOutputStream;
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/**
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* Used in debugging, it counts the number of byts that pass
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* through it.
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*
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* @author <a href="mailto:bayard@apache.org">Henri Yandell</a>
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* @version $Id: CountingOutputStream.java,v 1.1 2002/02/23 04:29:53 bayard Exp $
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*/
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public class CountingOutputStream extends FilterOutputStream {
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private int count;
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public CountingOutputStream( OutputStream out ) {
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super(out);
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}
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public void write(byte[] b) throws IOException {
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count += b.length;
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super.write(b);
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}
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public void write(byte[] b, int off, int len) throws IOException {
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count += len;
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super.write(b, off, len);
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}
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public void write(int b) throws IOException {
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count++;
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super.write(b);
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}
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/**
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* The number of bytes that have passed through this stream.
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*/
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public int getCount() {
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return this.count;
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}
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}

‎src/java/org/apache/commons/io/TeeOutputStream.java‎

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package org.apache.commons.io;
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/* ====================================================================
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* The Apache Software License, Version 1.1
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*
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* Copyright (c) 2001 The Apache Software Foundation. All rights
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* reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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*
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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*
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in
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* the documentation and/or other materials provided with the
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* distribution.
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*
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* 3. The end-user documentation included with the redistribution,
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* if any, must include the following acknowledgment:
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* "This product includes software developed by the
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* Apache Software Foundation (http://www.apache.org/)."
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* Alternately, this acknowledgment may appear in the software itself,
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* if and wherever such third-party acknowledgments normally appear.
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*
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* 4. The names "Apache" and "Apache Software Foundation" and
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* "Apache Turbine" must not be used to endorse or promote products
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* derived from this software without prior written permission. For
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* written permission, please contact apache@apache.org.
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*
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* 5. Products derived from this software may not be called "Apache",
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* "Apache Turbine", nor may "Apache" appear in their name, without
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* prior written permission of the Apache Software Foundation.
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*
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* THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED
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* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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* DISCLAIMED. IN NO EVENT SHALL THE APACHE SOFTWARE FOUNDATION OR
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* ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
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* USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
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* ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
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* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
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* OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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* ====================================================================
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*
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* This software consists of voluntary contributions made by many
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* individuals on behalf of the Apache Software Foundation. For more
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* information on the Apache Software Foundation, please see
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* <http://www.apache.org/>.
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*/
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import java.io.IOException;
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import java.io.OutputStream;
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import java.io.FilterOutputStream;
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/**
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* Classic splitter of OutputStream. Named after the unix 'tee'
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* command. It allows a stream to be branched off so there
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* are now two streams.
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*
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* @author <a href="mailto:bayard@apache.org">Henri Yandell</a>
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* @version $Id: TeeOutputStream.java,v 1.1 2002/02/23 04:29:53 bayard Exp $
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*/
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public class TeeOutputStream extends FilterOutputStream {
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protected OutputStream branch;
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public TeeOutputStream( OutputStream out, OutputStream branch ) {
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super(out);
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this.branch = branch;
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}
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public synchronized void write(byte[] b, int off, int len) throws IOException {
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super.write(b, off, len);
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this.branch.write(b, off, len);
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}
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public synchronized void write(int b) throws IOException {
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super.write(b);
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this.branch.write(b);
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}
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public void flush() throws IOException {
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super.flush();
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branch.flush();
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}
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public void close() throws IOException {
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super.close();
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branch.close();
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}
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}

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