1 /*
2 * $Id: UseAttributeTei.java 471754 2006-11-06 14:55:09Z husted $
3 *
4 * Licensed to the Apache Software Foundation (ASF) under one
5 * or more contributor license agreements. See the NOTICE file
6 * distributed with this work for additional information
7 * regarding copyright ownership. The ASF licenses this file
8 * to you under the Apache License, Version 2.0 (the
9 * "License"); you may not use this file except in compliance
10 * with the License. You may obtain a copy of the License at
11 *
12 * http://www.apache.org/licenses/LICENSE-2.0
13 *
14 * Unless required by applicable law or agreed to in writing,
15 * software distributed under the License is distributed on an
16 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
17 * KIND, either express or implied. See the License for the
18 * specific language governing permissions and limitations
19 * under the License.
20 */
21
22 package org.apache.struts.tiles.taglib;
23
24
25 import javax.servlet.jsp.tagext.TagData;
26 import javax.servlet.jsp.tagext.TagExtraInfo;
27 import javax.servlet.jsp.tagext.VariableInfo;
28
29
30 /**
31 * Implementation of <code>TagExtraInfo</code> for the <b>UseAttribute</b>
32 * tag, identifying the scripting object(s) to be made visible.
33 *
34 */
35
36 public final class UseAttributeTei extends TagExtraInfo {
37
38
39 /**
40 * Return information about the scripting variables to be created.
41 */
42 public VariableInfo[] getVariableInfo(TagData data) {
43
44 String classname = data.getAttributeString("classname");
45 if( classname == null )
46 classname = "java.lang.Object";
47 String id = data.getAttributeString("id");
48 if( id == null )
49 id = data.getAttributeString("name");
50
51 return new VariableInfo[] {
52 new VariableInfo(id,
53 classname,
54 true,
55 VariableInfo.AT_END)
56 };
57
58 }
59
60
61 }