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Java > Open Source Codes > org > apache > taglibs > jndi > ForEachAttributeTEI


1 /*
2  * Copyright 1999,2004 The Apache Software Foundation.
3  *
4  * Licensed under the Apache License, Version 2.0 (the "License");
5  * you may not use this file except in compliance with the License.
6  * You may obtain a copy of the License at
7  *
8  * http://www.apache.org/licenses/LICENSE-2.0
9  *
10  * Unless required by applicable law or agreed to in writing, software
11  * distributed under the License is distributed on an "AS IS" BASIS,
12  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13  * See the License for the specific language governing permissions and
14  * limitations under the License.
15  */
16
17 package org.apache.taglibs.jndi;
18
19 import javax.servlet.jsp.tagext.*;
20
21 /**
22  *
23  * @author Danno Ferrin <shemnon@earthlink.net>
24  * @version $Revision: 1.2 $
25  */
26 public class ForEachAttributeTEI extends TagExtraInfo {
27
28     /** Creates new ForEachAttributeTEI */
29     public ForEachAttributeTEI() {
30     }
31
32     public VariableInfo[] getVariableInfo(TagData data) {
33         if (data.getId() != null) {
34             return new VariableInfo[]
35                 { new VariableInfo(data.getId(), "java.lang.Object", true,
36                         VariableInfo.NESTED)};
37         } else {
38             return null;
39         }
40     }
41     
42     public boolean isValid(TagData data) {
43         if (data.getId() == null) {
44             return false;
45         }
46         if ((data.getAttribute("object") == null)
47          && (data.getAttribute("ref") == null)) {
48             return false;
49         }
50         return true;
51     }
52     
53 }
54
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