View Javadoc

1   /*
2    * Licensed to the Apache Software Foundation (ASF) under one
3    * or more contributor license agreements.  See the NOTICE file
4    * distributed with this work for additional information
5    * regarding copyright ownership.  The ASF licenses this file
6    * to you under the Apache License, Version 2.0 (the
7    * "License"); you may not use this file except in compliance
8    * with the License.  You may obtain a copy of the License at
9    *
10   *   http://www.apache.org/licenses/LICENSE-2.0
11   *
12   * Unless required by applicable law or agreed to in writing,
13   * software distributed under the License is distributed on an
14   * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
15   * KIND, either express or implied.  See the License for the
16   * specific language governing permissions and limitations
17   * under the License.
18   */
19  package org.apache.myfaces.view.facelets.pss.acid.renderkit;
20  
21  import java.io.IOException;
22  
23  import javax.faces.component.UIComponent;
24  import javax.faces.context.FacesContext;
25  import javax.faces.render.FacesRenderer;
26  import javax.faces.render.Renderer;
27  
28  @FacesRenderer(componentFamily = "com.myapp", rendererType = "testcomponent")
29  public class ProbeComponentRenderer extends Renderer
30  {
31  
32      //
33      // Public methods
34      //
35  
36      @Override
37      public void encodeBegin(FacesContext context, UIComponent component)
38              throws IOException
39      {
40  
41          context.getResponseWriter()
42                  .write("<div style=\"border: 1px solid red; margin: 2px\"><div style=\"background-color: #ffc0c0; padding: 2px; margin-bottom: 5px; display:block\">TestComponent::encodeBegin <span style=\"color: #888888\">("
43                          + component.getChildCount() + " children)</span></div>");
44  
45          super.encodeBegin(context, component);
46      }
47  
48      @Override
49      public void encodeEnd(FacesContext context, UIComponent component)
50              throws IOException
51      {
52  
53          super.encodeEnd(context, component);
54  
55          context.getResponseWriter()
56                  .write("<div style=\"background-color: #ffc0c0; padding: 2px; margin-top: 5px; display:block\">TestComponent::encodeEnd</div></div>");
57      }
58  }