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    
015    package org.apache.tapestry.portlet;
016    
017    import java.io.IOException;
018    import java.io.PrintWriter;
019    
020    import javax.portlet.RenderResponse;
021    
022    import org.apache.hivemind.util.Defense;
023    import 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     */
032    public 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    }