com.itextpdf.kernel.xmp.impl.CountOutputStream Maven / Gradle / Ivy
//Copyright (c) 2006, Adobe Systems Incorporated
//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. All advertising materials mentioning features or use of this software
// must display the following acknowledgement:
// This product includes software developed by the Adobe Systems Incorporated.
// 4. Neither the name of the Adobe Systems Incorporated nor the
// names of its contributors may be used to endorse or promote products
// derived from this software without specific prior written permission.
//
// THIS SOFTWARE IS PROVIDED BY ADOBE SYSTEMS INCORPORATED ''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 ADOBE SYSTEMS INCORPORATED 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.
//
// http://www.adobe.com/devnet/xmp/library/eula-xmp-library-java.html
package com.itextpdf.kernel.xmp.impl;
import java.io.IOException;
import java.io.OutputStream;
/**
* An OutputStream that counts the written bytes.
*
* @since 08.11.2006
*/
public final class CountOutputStream extends OutputStream
{
/** the decorated output stream */
private final OutputStream output;
/** the byte counter */
private int bytesWritten = 0;
/**
* Constructor with providing the output stream to decorate.
* @param output an OutputStream
*/
CountOutputStream(OutputStream output)
{
this.output = output;
}
/**
* Counts the written bytes.
* @see java.io.OutputStream#write(byte[], int, int)
*/
public void write(byte[] buf, int off, int len) throws IOException
{
output.write(buf, off, len);
bytesWritten += len;
}
/**
* Counts the written bytes.
* @see java.io.OutputStream#write(byte[])
*/
public void write(byte[] buf) throws IOException
{
output.write(buf);
bytesWritten += buf.length;
}
/**
* Counts the written bytes.
* @see java.io.OutputStream#write(int)
*/
public void write(int b) throws IOException
{
output.write(b);
bytesWritten++;
}
/**
* @return the bytesWritten
*/
public int getBytesWritten()
{
return bytesWritten;
}
}