HiddenRenderer


1   /*
2    * Version: MPL 1.1/GPL 2.0/LGPL 2.1
3    *
4    * "The contents of this file are subject to the Mozilla Public License
5    * Version 1.1 (the "License"); you may not use this file except in
6    * compliance with the License. You may obtain a copy of the License at
7    * http://www.mozilla.org/MPL/
8    *
9    * Software distributed under the License is distributed on an "AS IS"
10   * basis, WITHOUT WARRANTY OF ANY KIND, either express or implied. See the
11   * License for the specific language governing rights and limitations under
12   * the License.
13   *
14   * The Original Code is ICEfaces 1.5 open source software code, released
15   * November 5, 2006. The Initial Developer of the Original Code is ICEsoft
16   * Technologies Canada, Corp. Portions created by ICEsoft are Copyright (C)
17   * 2004-2006 ICEsoft Technologies Canada, Corp. All Rights Reserved.
18   *
19   * Contributor(s): _____________________.
20   *
21   * Alternatively, the contents of this file may be used under the terms of
22   * the GNU Lesser General Public License Version 2.1 or later (the "LGPL"
23   * License), in which case the provisions of the LGPL License are
24   * applicable instead of those above. If you wish to allow use of your
25   * version of this file only under the terms of the LGPL License and not to
26   * allow others to use your version of this file under the MPL, indicate
27   * your decision by deleting the provisions above and replace them with
28   * the notice and other provisions required by the LGPL License. If you do
29   * not delete the provisions above, a recipient may use your version of
30   * this file under either the MPL or the LGPL License."
31   *
32   */
33  
34  package com.icesoft.faces.renderkit.dom_html_basic;
35  
36  import com.icesoft.faces.context.DOMContext;
37  import org.w3c.dom.Element  ;
38  
39  import javax.faces.component.UIComponent;
40  import javax.faces.component.UIInput;
41  import javax.faces.context.FacesContext;
42  import java.io.IOException  ;
43  
44  public class HiddenRenderer extends DomBasicInputRenderer {
45  
46      public void encodeBegin(FacesContext facesContext, UIComponent uiComponent)
47              throws IOException   {
48          validateParameters(facesContext, uiComponent, UIInput.class);
49      }
50  
51      public void encodeChildren(FacesContext facesContext,
52                                 UIComponent uiComponent) {
53          validateParameters(facesContext, uiComponent, UIInput.class);
54      }
55  
56      protected void renderEnd(FacesContext facesContext,
57                               UIComponent uiComponent, String   currentValue)
58              throws IOException   {
59  
60          validateParameters(facesContext, uiComponent, UIInput.class);
61          DOMContext domContext =
62                  DOMContext.attachDOMContext(facesContext, uiComponent);
63          if (!domContext.isInitialized()) {
64              Element   root = domContext.createElement("input");
65              domContext.setRootNode(root);
66              setRootElementId(facesContext, root, uiComponent);
67              String   clientId = uiComponent.getClientId(facesContext);
68              root.setAttribute("name", clientId);
69              root.setAttribute("type", "hidden");
70          }
71          Element   root = (Element  ) domContext.getRootNode();
72          if (currentValue != null) {
73              root.setAttribute("value", currentValue);
74          }
75          domContext.streamWrite(facesContext, uiComponent);
76      }
77  }
78  
79
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