001 /* 002 * Copyright 2004 The Apache Software Foundation 003 * 004 * Licensed under the Apache License, Version 2.0 (the "License"); 005 * you may not use this file except in compliance with the License. 006 * You may obtain a copy of the License at 007 * 008 * http://www.apache.org/licenses/LICENSE-2.0 009 * 010 * Unless required by applicable law or agreed to in writing, software 011 * distributed under the License is distributed on an "AS IS" BASIS, 012 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 013 * See the License for the specific language governing permissions and 014 * limitations under the License. 015 */ 016 017 018 package jsp2.examples.simpletag; 019 020 import javax.servlet.jsp.JspException; 021 import javax.servlet.jsp.tagext.SimpleTagSupport; 022 import java.util.HashMap; 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 }