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Java > Open Source Codes > org > apache > struts > taglib > nested > html > NestedMultiboxTag


1 /*
2  * $Id: NestedMultiboxTag.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.html;
19
20 import javax.servlet.http.HttpServletRequest JavaDoc;
21 import javax.servlet.jsp.JspException JavaDoc;
22
23 import org.apache.struts.taglib.html.MultiboxTag;
24 import org.apache.struts.taglib.nested.NestedNameSupport;
25 import org.apache.struts.taglib.nested.NestedPropertyHelper;
26
27 /**
28  * NestedMultiboxTag.
29  * @since Struts 1.1
30  * @version $Rev: 54929 $ $Date: 2004-10-16 17:38:42 +0100 (Sat, 16 Oct 2004) $
31  */

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

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

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

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