org.mortbay.io.WriterOutputStream Maven / Gradle / Ivy
// ========================================================================
// Copyright 1999-2005 Mort Bay Consulting Pty. Ltd.
// ------------------------------------------------------------------------
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
// http://www.apache.org/licenses/LICENSE-2.0
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
// ========================================================================
package org.mortbay.io;
import java.io.IOException;
import java.io.OutputStream;
import java.io.Writer;
/* ------------------------------------------------------------ */
/** Wrap a Writer as an OutputStream.
* When all you have is a Writer and only an OutputStream will do.
* Try not to use this as it indicates that your design is a dogs
* breakfast (JSP made me write it).
* @author Greg Wilkins (gregw)
*/
public class WriterOutputStream extends OutputStream
{
protected Writer _writer;
protected String _encoding;
private byte[] _buf=new byte[1];
/* ------------------------------------------------------------ */
public WriterOutputStream(Writer writer, String encoding)
{
_writer=writer;
_encoding=encoding;
}
/* ------------------------------------------------------------ */
public WriterOutputStream(Writer writer)
{
_writer=writer;
}
/* ------------------------------------------------------------ */
public void close()
throws IOException
{
_writer.close();
_writer=null;
_encoding=null;
}
/* ------------------------------------------------------------ */
public void flush()
throws IOException
{
_writer.flush();
}
/* ------------------------------------------------------------ */
public void write(byte[] b)
throws IOException
{
if (_encoding==null)
_writer.write(new String(b));
else
_writer.write(new String(b,_encoding));
}
/* ------------------------------------------------------------ */
public void write(byte[] b, int off, int len)
throws IOException
{
if (_encoding==null)
_writer.write(new String(b,off,len));
else
_writer.write(new String(b,off,len,_encoding));
}
/* ------------------------------------------------------------ */
public synchronized void write(int b)
throws IOException
{
_buf[0]=(byte)b;
write(_buf);
}
}