/*
* Copyright 2000-2004 The Apache Software Foundation.
*
* 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.apache.jetspeed.aggregator.impl;
import java.io.IOException;
import java.io.PrintWriter;
import java.io.UnsupportedEncodingException;
import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
import javax.servlet.ServletOutputStream;
import javax.servlet.http.HttpServletResponse;
import org.apache.pluto.util.PrintWriterServletOutputStream;
public class HttpBufferedResponse extends javax.servlet.http.HttpServletResponseWrapper
{
private boolean usingWriter;
private boolean usingStream;
/** Commons logging */
protected final static Log log = LogFactory.getLog(HttpBufferedResponse.class);
private ServletOutputStream wrappedStream;
private PrintWriter writer;
public HttpBufferedResponse(HttpServletResponse servletResponse,
PrintWriter writer)
{
super(servletResponse);
this.writer = writer;
}
public ServletOutputStream getOutputStream() throws IllegalStateException, IOException
{
if (usingWriter)
{
throw new IllegalStateException("getOutputStream can't be used after getWriter was invoked");
}
if (wrappedStream == null)
{
wrappedStream = new PrintWriterServletOutputStream(writer);
}
usingStream = true;
return wrappedStream;
}
public PrintWriter getWriter() throws UnsupportedEncodingException, IllegalStateException, IOException {
if (usingStream)
{
throw new IllegalStateException("getWriter can't be used after getOutputStream was invoked");
}
usingWriter = true;
return writer;
}
public void setBufferSize(int size)
{
// ignore
}
public int getBufferSize()
{
return 0;
}
public void flushBuffer() throws IOException
{
writer.flush();
}
public boolean isCommitted()
{
return false;
}
public void reset()
{
// ignore right now
}
}