/*
* Copyright (c) 1998-2011 Caucho Technology -- all rights reserved
*
* This file is part of Resin(R) Open Source
*
* Each copy or derived work must preserve the copyright notice and this
* notice unmodified.
*
* Resin Open Source 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 2 of the License, or
* (at your option) any later version.
*
* Resin Open Source is 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, or any warranty
* of NON-INFRINGEMENT. See the GNU General Public License for more
* details.
*
* You should have received a copy of the GNU General Public License
* along with Resin Open Source; if not, write to the
*
* Free Software Foundation, Inc.
* 59 Temple Place, Suite 330
* Boston, MA 02111-1307 USA
*
* @author Scott Ferguson
*/
package com.caucho.vfs;
import java.io.IOException;
/**
* Stream encapsulating System.err.
*/
public class StderrStream extends StreamImpl {
private static StderrStream _stderr;
private StderrStream()
{
}
/**
* Returns the StderrStream singleton
*/
public static StderrStream create()
{
if (_stderr == null) {
_stderr = new StderrStream();
ConstPath path = new ConstPath(null, _stderr);
path.setScheme("stderr");
_stderr.setPath(path);
}
return _stderr;
}
/**
* The standard error stream returns true since it's writable.
*/
public boolean canWrite()
{
return true;
}
/**
* Writes the data to the System.out.
*
* @param buf the buffer to write.
* @param offset starting offset in the buffer.
* @param length number of bytes to write.
* @param isEnd true when the stream is closing.
*/
public void write(byte []buf, int offset, int length, boolean isEnd)
throws IOException
{
System.err.write(buf, offset, length);
System.err.flush();
}
}