/*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership.
* The ASF licenses this file to You 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.container.impl;
import java.io.IOException;
import java.io.OutputStream;
import java.io.PrintWriter;
import java.util.Collection;
import javax.portlet.MimeResponse;
import javax.portlet.PortletMode;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import org.apache.jetspeed.aggregator.PortletContent;
import org.apache.jetspeed.container.PortletWindow;
import org.apache.jetspeed.portlet.HeadElement;
import org.apache.jetspeed.util.DOMUtils;
import org.apache.pluto.container.PortletContainer;
import org.apache.pluto.container.PortletRenderResponseContext;
import org.apache.pluto.container.util.PrintWriterServletOutputStream;
import org.w3c.dom.Element;
/**
* @version $Id: PortletRenderResponseContextImpl.java 881250 2009-11-17 12:25:34Z woonsan $
*
*/
public class PortletRenderResponseContextImpl extends PortletMimeResponseContextImpl implements
PortletRenderResponseContext
{
private boolean committed;
private PortletContent portletContent;
private OutputStream outputStream;
public PortletRenderResponseContextImpl(PortletContainer container, HttpServletRequest containerRequest,
HttpServletResponse containerResponse, PortletWindow window)
{
super(container, containerRequest, containerResponse, window);
this.portletContent = window.getFragment().getPortletContent();
}
public void flushBuffer() throws IOException
{
committed = true;
}
public int getBufferSize()
{
return Integer.MAX_VALUE;
}
public boolean isCommitted()
{
return committed;
}
public OutputStream getOutputStream() throws IOException, IllegalStateException
{
if (isClosed())
{
return null;
}
if (outputStream == null)
{
outputStream = new PrintWriterServletOutputStream(portletContent.getWriter(),
getServletResponse().getCharacterEncoding());
}
return outputStream;
}
public PrintWriter getWriter() throws IOException, IllegalStateException
{
return portletContent.getWriter();
}
public void setNextPossiblePortletModes(Collection<PortletMode> portletModes)
{
//TODO
}
public void reset()
{
if (!isClosed())
{
portletContent.reset();
}
}
public void resetBuffer()
{
if (!isClosed())
{
portletContent.resetBuffer();
}
}
public void setBufferSize(int size)
{
// ignore
}
public void setContentType(String contentType)
{
if (!isClosed())
{
portletContent.setContentType(contentType);
}
}
public void setTitle(String title)
{
if (!isClosed())
{
portletContent.setTitle(title);
}
}
@Override
public void addProperty(String key, Element element)
{
if (MimeResponse.MARKUP_HEAD_ELEMENT.equals(key))
{
HeadElement headElement = null;
// Note that element can be null.
// According to the SPEC, the property with this key can be removed with null element.
if (element != null)
{
headElement = new HeadElementImpl(element);
}
// ID attribute of element is used as keyHint for the head element if available.
this.portletContent.addHeadElement(headElement, DOMUtils.getIdAttribute(element));
}
else
{
super.addProperty(key, element);
}
}
}