1 /*
2 * $Id: NestedWriteNestingTei.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 package org.apache.struts.taglib.nested;
22
23 import javax.servlet.jsp.tagext.TagData;
24 import javax.servlet.jsp.tagext.TagExtraInfo;
25 import javax.servlet.jsp.tagext.VariableInfo;
26
27 /**
28 * NestedWriteNestingTei
29 *
30 * This class will allow the nested:writeNesting tag to actually do what the
31 * doc says and make a scripting variable as an option (when "id" is
32 * supplied).
33 *
34 * @version $Rev: 471754 $
35 * @since Struts 1.2
36 */
37 public class NestedWriteNestingTei extends TagExtraInfo {
38 /**
39 * Return information about the scripting variables to be created.
40 */
41 public VariableInfo[] getVariableInfo(TagData data) {
42 /* the id parameter */
43 String id = data.getAttributeString("id");
44
45 VariableInfo[] vi = null;
46
47 if (id != null) {
48 vi = new VariableInfo[1];
49 vi[0] =
50 new VariableInfo(id, "java.lang.String", true,
51 VariableInfo.AT_END);
52 } else {
53 vi = new VariableInfo[0];
54 }
55
56 // job done
57 return vi;
58 }
59 }