001    // Copyright 2008 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.tapestry5.internal.services;
016    
017    import java.io.IOException;
018    
019    import org.apache.tapestry5.ContentType;
020    import org.apache.tapestry5.internal.structure.Page;
021    import org.apache.tapestry5.runtime.Component;
022    import org.apache.tapestry5.services.ResponseRenderer;
023    
024    public class ResponseRendererImpl implements ResponseRenderer
025    {
026        private final RequestPageCache pageCache;
027    
028        private final PageContentTypeAnalyzer pageContentAnalyzer;
029    
030        private final PageResponseRenderer renderer;
031    
032        public ResponseRendererImpl(RequestPageCache pageCache, PageContentTypeAnalyzer pageContentAnalyzer,
033                PageResponseRenderer renderer)
034        {
035            this.pageCache = pageCache;
036            this.pageContentAnalyzer = pageContentAnalyzer;
037            this.renderer = renderer;
038        }
039    
040        public ContentType findContentType(Object component)
041        {
042            Component c = (Component) component;
043    
044            String pageName = c.getComponentResources().getPageName();
045    
046            Page page = pageCache.get(pageName);
047    
048            return pageContentAnalyzer.findContentType(page);
049        }
050    
051        public void renderPageMarkupResponse(String pageName) throws IOException
052        {
053            Page page = pageCache.get(pageName);
054    
055            renderer.renderPageResponse(page);
056        }
057    }