fr.opensagres.xdocreport.core.io.MultiWriter Maven / Gradle / Ivy
/**
* Copyright (C) 2011-2012 The XDocReport Team
*
* All rights reserved.
*
* Permission is hereby granted, free of charge, to any person obtaining
* a copy of this software and associated documentation files (the
* "Software"), to deal in the Software without restriction, including
* without limitation the rights to use, copy, modify, merge, publish,
* distribute, sublicense, and/or sell copies of the Software, and to
* permit persons to whom the Software is furnished to do so, subject to
* the following conditions:
*
* The above copyright notice and this permission notice shall be
* included in all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
* NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
* LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
* OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
* WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
*/
package fr.opensagres.xdocreport.core.io;
import java.io.IOException;
import java.io.Writer;
/**
* Multiple writer used to write for several writer.
*/
public class MultiWriter
extends Writer
implements StreamCancelable
{
private Writer[] writers;
/**
* New MultiWriter for specified writers. Note that flush is only done on explicit call.
*/
public MultiWriter( Writer... writers )
{
this.writers = new Writer[writers.length];
for ( int i = 0; i < writers.length; i++ )
{
this.writers[i] = writers[i];
}
}
@Override
public void write( char[] cbuf, int off, int len )
throws IOException
{
for ( Writer w : writers )
{
w.write( cbuf, off, len );
w.flush();
}
}
@Override
public void flush()
throws IOException
{
for ( Writer w : writers )
{
w.flush();
}
}
@Override
public void close()
throws IOException
{
for ( Writer w : writers )
{
w.close();
}
}
public void cancel()
{
for ( Writer w : writers )
{
if ( w instanceof StreamCancelable )
{
( (StreamCancelable) w ).cancel();
}
}
}
/**
* Returns writer by index.
*
* @param index
* @return
*/
public Writer getWriter( int index )
{
return this.writers[index];
}
}