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Java > Open Source Codes > org > apache > struts > taglib > nested > NestedWriteNestingTei


1 /*
2  * $Id: NestedWriteNestingTei.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;
19
20 import javax.servlet.jsp.tagext.*;
21
22 /**
23  * NestedWriteNestingTei
24  *
25  * This class will allow the nested:writeNesting tag to actually
26  * do what the doc says and make a scripting variable as an option (when "id"
27  * is supplied).
28  *
29  * @since Struts 1.2
30  * @version $Rev: 54929 $
31  */
32 public class NestedWriteNestingTei extends TagExtraInfo {
33
34     /**
35      * Return information about the scripting variables to be created.
36      */
37     public VariableInfo[] getVariableInfo(TagData data) {
38
39         /* the id parameter */
40         String JavaDoc id = data.getAttributeString("id");
41
42         VariableInfo[] vi = null;
43
44         if (id != null) {
45             vi = new VariableInfo[1];
46             vi[0] = new VariableInfo(id, "java.lang.String",
47                                      true, VariableInfo.AT_END);
48         } else {
49             vi = new VariableInfo[0];
50         }
51
52         // job done
53 return vi;
54     }
55 }
56
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