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Java > Open Source Codes > org > apache > struts > taglib > nested > logic > NestedGreaterEqualTag


1 /*
2  * $Id: NestedGreaterEqualTag.java 54929 2004-10-16 16:38:42Z germuska $
3  *
4  * Copyright 1999-2004 The Apache Software Foundation.
5  *
6  * Licensed under the Apache License, Version 2.0 (the "License");
7  * you may not use this file except in compliance with the License.
8  * 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, software
13  * distributed under the License is distributed on an "AS IS" BASIS,
14  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
15  * See the License for the specific language governing permissions and
16  * limitations under the License.
17  */

18 package org.apache.struts.taglib.nested.logic;
19
20 import javax.servlet.http.HttpServletRequest JavaDoc;
21 import javax.servlet.jsp.JspException JavaDoc;
22
23 import org.apache.struts.taglib.logic.GreaterEqualTag;
24 import org.apache.struts.taglib.nested.NestedNameSupport;
25 import org.apache.struts.taglib.nested.NestedPropertyHelper;
26
27 /**
28  * NestedGreaterEqualTag.
29  *
30  * @since Struts 1.1
31  * @version $Rev: 54929 $ $Date: 2004-10-16 17:38:42 +0100 (Sat, 16 Oct 2004) $
32  */

33 public class NestedGreaterEqualTag extends GreaterEqualTag implements NestedNameSupport {
34
35   /**
36    * Overriding method of the heart of the matter. Gets the relative property
37    * and leaves the rest up to the original tag implementation. Sweet.
38    * @return int JSP continuation directive.
39    * This is in the hands of the super class.
40    */

41   public int doStartTag() throws JspException JavaDoc {
42     // get the original properties
43
originalName = getName();
44     originalProperty = getProperty();
45
46     // request
47
HttpServletRequest JavaDoc request = (HttpServletRequest JavaDoc)pageContext.getRequest();
48     // set the properties
49
NestedPropertyHelper.setNestedProperties(request, this);
50
51     // let the super do it's thing
52
return super.doStartTag();
53   }
54
55   /**
56    * Complete the processing of the tag. The nested tags here will restore
57    * all the original value for the tag itself and the nesting context.
58    * @return int to describe the next step for the JSP processor
59    * @throws JspException for the bad things JSP's do
60    */

61   public int doEndTag() throws JspException JavaDoc {
62     // do the super's ending part
63
int i = super.doEndTag();
64
65     // reset the properties
66
setName(originalName);
67     setProperty(originalProperty);
68
69     // continue
70
return i;
71   }
72
73   /**
74    * Release the tag's resources and reset the values.
75    */

76   public void release() {
77     super.release();
78     // reset the originals
79
originalName = null;
80     originalProperty = null;
81   }
82
83   /* the usual private member variables */
84   private String JavaDoc originalName = null;
85   private String JavaDoc originalProperty = null;
86 }
87
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