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1   /*
2    * $Id: NestedDefineTei.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.bean;
22  
23  import org.apache.struts.taglib.logic.IterateTei;
24  
25  import javax.servlet.jsp.tagext.TagData;
26  import javax.servlet.jsp.tagext.VariableInfo;
27  
28  /**
29   * NestedDefineTei to make sure that the implied setting of the name property
30   * of a nested tag is properly handed in the casting of the defined object.
31   * Currently goes to String, but for the purposes of most nested objects they
32   * will benefit more from a simple Object casting.
33   *
34   * @version $Rev: 471754 $
35   * @since Struts 1.1
36   */
37  public class NestedDefineTei extends IterateTei {
38      /**
39       * Return information about the scripting variables to be created.
40       */
41      public VariableInfo[] getVariableInfo(TagData data) {
42          // get the type
43          String type = (String) data.getAttribute("type");
44  
45          // make it an object if none supplied
46          if (type == null) {
47              type = "java.lang.Object";
48          }
49  
50          // return the infor about the deined object
51          VariableInfo[] vinfo = new VariableInfo[1];
52  
53          vinfo[0] =
54              new VariableInfo(data.getAttributeString("id"), type, true,
55                  VariableInfo.AT_END);
56  
57          /* return the results */
58          return vinfo;
59      }
60  }