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1   /*
2    * $Id: Hidden.java 651946 2008-04-27 13:41:38Z apetrelli $
3    *
4    * Licensed to the Apache Software Foundation (ASF) under one
5    * or more contributor license agreements.  See the NOTICE file
6    * distributed with this work for additional information
7    * regarding copyright ownership.  The ASF licenses this file
8    * to you under the Apache License, Version 2.0 (the
9    * "License"); you may not use this file except in compliance
10   * with the License.  You may obtain a copy of the License at
11   *
12   *  http://www.apache.org/licenses/LICENSE-2.0
13   *
14   * Unless required by applicable law or agreed to in writing,
15   * software distributed under the License is distributed on an
16   * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
17   * KIND, either express or implied.  See the License for the
18   * specific language governing permissions and limitations
19   * under the License.
20   */
21  
22  package org.apache.struts2.components;
23  
24  import javax.servlet.http.HttpServletRequest;
25  import javax.servlet.http.HttpServletResponse;
26  
27  import org.apache.struts2.views.annotations.StrutsTag;
28  
29  import com.opensymphony.xwork2.util.ValueStack;
30  
31  /***
32   * <!-- START SNIPPET: javadoc -->
33   * Renders an HTML input element of type hidden, populated by the specified property from the ValueStack.
34   * <!-- END SNIPPET: javadoc -->
35   *
36   * <p/> <b>Examples</b>
37   *
38   * <pre>
39   * <!-- START SNIPPET: example -->
40   * &lt;-- example one --&gt;
41   * &lt;s:hidden name="foo" /&gt;
42   * &lt;-- example two --&gt;
43   * &lt;s:hidden name="foo" value="bar" /&gt;
44   *
45   * Example One Resulting HTML (if foo evaluates to bar):
46   * &lt;input type="hidden" name="foo" value="bar" /&gt;
47   * Example Two Resulting HTML (if getBar method of the action returns 'bar')
48   * &lt;input type="hidden" name="foo" value="bar" /&gt;
49   * <!-- END SNIPPET: example -->
50   * </pre>
51   *
52    */
53  @StrutsTag(
54      name="hidden",
55      tldTagClass="org.apache.struts2.views.jsp.ui.HiddenTag",
56      description="Render a hidden input field",
57      allowDynamicAttributes=true)
58  public class Hidden extends UIBean {
59      final public static String TEMPLATE = "hidden";
60  
61      public Hidden(ValueStack stack, HttpServletRequest request, HttpServletResponse response) {
62          super(stack, request, response);
63      }
64  
65      protected String getDefaultTemplate() {
66          return TEMPLATE;
67      }
68  }