MelatiBufferedFastWriter.java
/*
* $Source$
* $Revision$
*
* Copyright (C) 2000 Tim Joyce
*
* Part of Melati (http://melati.org), a framework for the rapid
* development of clean, maintainable web applications.
*
* Melati is free software; Permission is granted to copy, distribute
* and/or modify this software under the terms either:
*
* a) 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,
*
* or
*
* b) any version of the Melati Software License, as published
* at http://melati.org
*
* You should have received a copy of the GNU General Public License and
* the Melati Software License along with this program;
* if not, write to the Free Software Foundation, Inc.,
* 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA to obtain the
* GNU General Public License and visit http://melati.org to obtain the
* Melati Software License.
*
* Feel free to contact the Developers of Melati (http://melati.org),
* if you would like to work out a different arrangement than the options
* outlined here. It is our intention to allow Melati to be used by as
* wide an audience as possible.
*
* This program 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. See the
* GNU General Public License for more details.
*
* Contact details for copyright holder:
*
* Tim Joyce <timj AT paneris.org>
*/
package org.melati.template.webmacro;
import java.io.ByteArrayOutputStream;
import java.io.IOException;
import java.io.OutputStream;
import javax.servlet.http.HttpServletResponse;
import org.webmacro.Broker;
/**
* Writes to a buffered output stream.
*/
public class MelatiBufferedFastWriter extends MelatiFastWriter {
private OutputStream underlying;
private ByteArrayOutputStream buffer;
/**
* Constructor.
*/
public MelatiBufferedFastWriter(Broker broker, HttpServletResponse response)
throws IOException {
this(broker, response.getOutputStream(), response.getCharacterEncoding());
}
/**
* Constructor.
*/
public MelatiBufferedFastWriter(Broker broker, OutputStream output,
String encoding) {
super(broker, new ByteArrayOutputStream(), encoding);
buffer = (ByteArrayOutputStream)outputStream;
underlying = output;
}
/*
public MelatiBufferedFastWriter(OutputStream output, String encoding)
throws IOException {
super(new ByteArrayOutputStream(), encoding);
buffer = (ByteArrayOutputStream)outputStream;
underlying = output;
}
public MelatiBufferedFastWriter(HttpServletResponse response)
throws IOException {
this(response.getOutputStream(), response.getCharacterEncoding());
}
public MelatiBufferedFastWriter(String encoding) throws IOException {
this(new ByteArrayOutputStream(), encoding);
}
*/
/**
* @see org.melati.template.velocity.MelatiVelocityWriter#close()
*/
public void close() throws IOException {
super.close();
buffer.writeTo(underlying);
buffer.close();
underlying.flush();
underlying.close();
}
/**
* @see org.melati.util.MelatiWriter#flush()
*/
public void flush() throws IOException {
out.flush();
buffer.writeTo(underlying);
buffer.reset();
underlying.flush();
}
public void reset() throws IOException {
out.flush();
buffer.reset();
}
}