View Javadoc

1   /*
2    * $Id: PageTei.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>page</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 PageTei 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          String property = data.getAttributeString("property");
38  
39          if ("application".equalsIgnoreCase(property)) {
40              type = "javax.servlet.ServletContext";
41          } else if ("config".equalsIgnoreCase(property)) {
42              type = "javax.servlet.ServletConfig";
43          } else if ("request".equalsIgnoreCase(property)) {
44              type = "javax.servlet.ServletRequest";
45          } else if ("response".equalsIgnoreCase(property)) {
46              type = "javax.servlet.ServletResponse";
47          } else if ("session".equalsIgnoreCase(property)) {
48              type = "javax.servlet.http.HttpSession";
49          } else {
50              type = "java.lang.Object";
51          }
52  
53          return new VariableInfo[] {
54              new VariableInfo(data.getAttributeString("id"), type, true,
55                  VariableInfo.AT_BEGIN)
56          };
57      }
58  }