001    /*
002    * Licensed to the Apache Software Foundation (ASF) under one or more
003    * contributor license agreements.  See the NOTICE file distributed with
004    * this work for additional information regarding copyright ownership.
005    * The ASF licenses this file to You under the Apache License, Version 2.0
006    * (the "License"); you may not use this file except in compliance with
007    * the License.  You may obtain a copy of the License at
008    *
009    *     http://www.apache.org/licenses/LICENSE-2.0
010    *
011    * Unless required by applicable law or agreed to in writing, software
012    * distributed under the License is distributed on an "AS IS" BASIS,
013    * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
014    * See the License for the specific language governing permissions and
015    * limitations under the License.
016    */
017    
018    
019    package jsp2.examples.simpletag;
020    
021    import javax.servlet.jsp.JspException;
022    import javax.servlet.jsp.tagext.SimpleTagSupport;
023    import jsp2.examples.BookBean;
024    
025    /**
026     * SimpleTag handler that pretends to search for a book, and stores
027     * the result in a scoped variable.
028     */
029    public class FindBookSimpleTag extends SimpleTagSupport {
030        private String var;
031        
032        private static final String BOOK_TITLE = "The Lord of the Rings";
033        private static final String BOOK_AUTHOR = "J. R. R. Tolkein";
034        private static final String BOOK_ISBN = "0618002251";
035    
036        public void doTag() throws JspException {
037            BookBean book = new BookBean( BOOK_TITLE, BOOK_AUTHOR, BOOK_ISBN );
038            getJspContext().setAttribute( this.var, book );
039        }
040    
041        public void setVar( String var ) {
042            this.var = var;
043        }
044    }