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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   }

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