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


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 UseContextTEI extends TagExtraInfo {
27
28     /** Creates new UseContextTEI */
29     public UseContextTEI() {
30     }
31
32     public VariableInfo[] getVariableInfo(TagData data) {
33         return new VariableInfo[]
34             { new VariableInfo(data.getId(), "javax.naming.Context", true,
35                     VariableInfo.AT_END)};
36     }
37     
38     public boolean isValid(TagData data) {
39         if (data.getId() == null) {
40             return false;
41         }
42         if (
43             (data.getAttribute("env") == null)
44          && (data.getAttribute("envRef") == null)
45          && (data.getAttribute("url") == null)
46          && (data.getAttribute("initialFactory") == null)) {
47             return false;
48         }
49         return true;
50     }
51     
52 }
53
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