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; 023 024 import jsp2.examples.BookBean; 025 026 /** 027 * SimpleTag handler that pretends to search for a book, and stores 028 * the result in a scoped variable. 029 */ 030 public class FindBookSimpleTag extends SimpleTagSupport { 031 private String var; 032 033 private static final String BOOK_TITLE = "The Lord of the Rings"; 034 private static final String BOOK_AUTHOR = "J. R. R. Tolkein"; 035 private static final String BOOK_ISBN = "0618002251"; 036 037 public void doTag() throws JspException { 038 BookBean book = new BookBean(BOOK_TITLE, BOOK_AUTHOR, BOOK_ISBN); 039 getJspContext().setAttribute(this.var, book); 040 } 041 042 public void setVar(String var) { 043 this.var = var; 044 } 045 }