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1   /*
2    * $Id: StrutsTei.java 376840 2006-02-10 21:00:51Z husted $
3    *
4    * Copyright 1999-2004 The Apache Software Foundation.
5    *
6    * Licensed under the Apache License, Version 2.0 (the "License");
7    * you may not use this file except in compliance with the License.
8    * You may obtain a copy of the License at
9    *
10   *      http://www.apache.org/licenses/LICENSE-2.0
11   *
12   * Unless required by applicable law or agreed to in writing, software
13   * distributed under the License is distributed on an "AS IS" BASIS,
14   * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
15   * See the License for the specific language governing permissions and
16   * limitations under the License.
17   */
18  package org.apache.struts.taglib.bean;
19  
20  import javax.servlet.jsp.tagext.TagData;
21  import javax.servlet.jsp.tagext.TagExtraInfo;
22  import javax.servlet.jsp.tagext.VariableInfo;
23  
24  /***
25   * Implementation of <code>TagExtraInfo</code> for the <b>struts</b> tag,
26   * identifying the scripting object(s) to be made visible.
27   *
28   * @version $Rev: 376840 $ $Date: 2004-10-16 12:38:42 -0400 (Sat, 16 Oct 2004)
29   *          $
30   */
31  public class StrutsTei extends TagExtraInfo {
32      /***
33       * Return information about the scripting variables to be created.
34       */
35      public VariableInfo[] getVariableInfo(TagData data) {
36          String type = null;
37  
38          if (data.getAttribute("formBean") != null) {
39              type = "org.apache.struts.action.ActionFormBean";
40          } else if (data.getAttribute("forward") != null) {
41              type = "org.apache.struts.action.ActionForward";
42          } else if (data.getAttribute("mapping") != null) {
43              type = "org.apache.struts.action.ActionMapping";
44          } else {
45              type = "java.lang.Object";
46          }
47  
48          return new VariableInfo[] {
49              new VariableInfo(data.getAttributeString("id"), type, true,
50                  VariableInfo.AT_BEGIN)
51          };
52      }
53  }