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.renderers;
016    
017    import org.apache.tapestry5.ComponentResources;
018    import org.apache.tapestry5.MarkupWriter;
019    import org.apache.tapestry5.ioc.Location;
020    import org.apache.tapestry5.ioc.annotations.Primary;
021    import org.apache.tapestry5.services.ObjectRenderer;
022    
023    /**
024     * Renders {@link ComponentResources} instance, showing the complete id and the class name and the location (if a
025     * location is available, it won't be for pages).
026     */
027    public class ComponentResourcesRenderer implements ObjectRenderer<ComponentResources>
028    {
029        private final ObjectRenderer masterRenderer;
030    
031        public ComponentResourcesRenderer(@Primary ObjectRenderer masterRenderer)
032        {
033            this.masterRenderer = masterRenderer;
034        }
035    
036        public void render(ComponentResources object, MarkupWriter writer)
037        {
038            writer.writef("%s (class %s)", object.getCompleteId(), object.getComponentModel().getComponentClassName());
039    
040            Location location = object.getLocation();
041    
042            if (location != null)
043            {
044                writer.element("br");
045                writer.end();
046    
047                masterRenderer.render(location, writer);
048            }
049        }
050    }