    /*
    * Licensed to the Apache Software Foundation (ASF) under one or more
    * contributor license agreements.  See the NOTICE file distributed with
    * this work for additional information regarding copyright ownership.
    * The ASF licenses this file to You under the Apache License, Version 2.0
    * (the "License"); you may not use this file except in compliance with
    * the License.  You may obtain a copy of the License at
    *
    *     http://www.apache.org/licenses/LICENSE-2.0
    *
    * Unless required by applicable law or agreed to in writing, software
    * distributed under the License is distributed on an "AS IS" BASIS,
    * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
    * See the License for the specific language governing permissions and
    * limitations under the License.
    */
    package jsp2.examples.simpletag;

    import jakarta.servlet.jsp.JspException;
    import jakarta.servlet.jsp.tagext.SimpleTagSupport;

    import jsp2.examples.BookBean;

    /**
     * SimpleTag handler that pretends to search for a book, and stores
     * the result in a scoped variable.
     */
    public class FindBookSimpleTag extends SimpleTagSupport {
        private String var;

        private static final String BOOK_TITLE = "The Lord of the Rings";
        private static final String BOOK_AUTHOR = "J. R. R. Tolkien";
        private static final String BOOK_ISBN = "0618002251";

        @Override
        public void doTag() throws JspException {
            BookBean book = new BookBean( BOOK_TITLE, BOOK_AUTHOR, BOOK_ISBN );
            getJspContext().setAttribute( this.var, book );
        }

        public void setVar( String var ) {
            this.var = var;
        }
    }