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1   /*
2   * Copyright 2004 The Apache Software Foundation
3   *
4   * Licensed under the Apache License, Version 2.0 (the "License");
5   * you may not use this file except in compliance with the License.
6   * You may obtain a copy of the License at
7   *
8   *     http://www.apache.org/licenses/LICENSE-2.0
9   *
10  * Unless required by applicable law or agreed to in writing, software
11  * distributed under the License is distributed on an "AS IS" BASIS,
12  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13  * See the License for the specific language governing permissions and
14  * limitations under the License.
15  */
16  
17  
18  package jsp2.examples.simpletag;
19  
20  import javax.servlet.jsp.JspException;
21  import javax.servlet.jsp.tagext.SimpleTagSupport;
22  import java.util.HashMap;
23  import jsp2.examples.BookBean;
24  
25  /**
26   * SimpleTag handler that pretends to search for a book, and stores
27   * the result in a scoped variable.
28   */
29  public class FindBookSimpleTag extends SimpleTagSupport {
30      private String var;
31      
32      private static final String BOOK_TITLE = "The Lord of the Rings";
33      private static final String BOOK_AUTHOR = "J. R. R. Tolkein";
34      private static final String BOOK_ISBN = "0618002251";
35  
36      public void doTag() throws JspException {
37          BookBean book = new BookBean( BOOK_TITLE, BOOK_AUTHOR, BOOK_ISBN );
38          getJspContext().setAttribute( this.var, book );
39      }
40  
41      public void setVar( String var ) {
42  	this.var = var;
43      }
44  }