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1   /*
2    * $Id: HeaderTei.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.bean;
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   * Implementation of <code>TagExtraInfo</code> for the <b>header</b> tag,
29   * identifying the scripting object(s) to be made visible.
30   *
31   * @version $Rev: 471754 $ $Date: 2004-10-16 12:38:42 -0400 (Sat, 16 Oct 2004)
32   *          $
33   */
34  public class HeaderTei extends TagExtraInfo {
35      /**
36       * Return information about the scripting variables to be created.
37       */
38      public VariableInfo[] getVariableInfo(TagData data) {
39          String className = null;
40  
41          if (data.getAttribute("multiple") == null) {
42              className = "java.lang.String";
43          } else {
44              className = "java.lang.String[]";
45          }
46  
47          return new VariableInfo[] {
48              new VariableInfo(data.getAttributeString("id"), className, true,
49                  VariableInfo.AT_BEGIN)
50          };
51      }
52  }