net.sourceforge.plantuml.CounterOutputStream Maven / Gradle / Ivy
/* ========================================================================
* PlantUML : a free UML diagram generator
* ========================================================================
*
* (C) Copyright 2009-2023, Arnaud Roques
*
* Project Info: http://plantuml.com
*
* If you like this project or if you find it useful, you can support us at:
*
* http://plantuml.com/patreon (only 1$ per month!)
* http://plantuml.com/paypal
*
* This file is part of PlantUML.
*
* PlantUML is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* PlantUML distributed in the hope that it will be useful, but
* WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
* or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public
* License for more details.
*
* You should have received a copy of the GNU General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301,
* USA.
*
*
* Original Author: Arnaud Roques
*
*
*/
package net.sourceforge.plantuml;
import java.io.IOException;
import java.io.OutputStream;
public class CounterOutputStream extends OutputStream {
private int length;
private final OutputStream os;
public CounterOutputStream(OutputStream os) {
this.os = os;
}
/**
* Writes to nowhere
*/
@Override
public void write(int b) throws IOException {
os.write(b);
length++;
}
/**
* Overridden for performance reason
*/
@Override
public void write(byte b[]) throws IOException {
os.write(b);
length += b.length;
}
/**
* Overridden for performance reason
*/
@Override
public void write(byte b[], int off, int len) throws IOException {
os.write(b, off, len);
length += len;
}
public int getLength() {
return length;
}
@Override
public void flush() throws IOException {
os.flush();
}
@Override
public void close() throws IOException {
os.close();
}
}