001// Copyright 2005 The Apache Software Foundation
002//
003// Licensed under the Apache License, Version 2.0 (the "License");
004// you may not use this file except in compliance with the License.
005// You may obtain a copy of the License at
006//
007//     http://www.apache.org/licenses/LICENSE-2.0
008//
009// Unless required by applicable law or agreed to in writing, software
010// distributed under the License is distributed on an "AS IS" BASIS,
011// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
012// See the License for the specific language governing permissions and
013// limitations under the License.
014
015package org.apache.tapestry.portlet;
016
017import java.io.IOException;
018import java.io.PrintWriter;
019
020import javax.portlet.RenderResponse;
021
022import org.apache.hivemind.util.Defense;
023import org.apache.tapestry.util.ContentType;
024
025/**
026 * Wrapper around {@link javax.portlet.RenderResponse} to adapt it as
027 * {@link org.apache.tapestry.portlet.PortletWebResponse}.
028 * 
029 * @author Howard M. Lewis Ship
030 * @since 4.0
031 */
032public class RenderWebResponse extends PortletWebResponse
033{
034    private final RenderResponse _renderResponse;
035
036    public RenderWebResponse(RenderResponse renderResponse)
037    {
038        super(renderResponse);
039
040        _renderResponse = renderResponse;
041    }
042
043    public void reset()
044    {
045        _renderResponse.reset();
046    }
047
048    public PrintWriter getPrintWriter(ContentType contentType) throws IOException
049    {
050        Defense.notNull(contentType, "contentType");
051
052        _renderResponse.setContentType(contentType.toString());
053
054        return _renderResponse.getWriter();
055    }
056
057    public String getNamespace()
058    {
059        return _renderResponse.getNamespace();
060    }
061}