View Javadoc
1 /* 2 * The Apache Software License, Version 1.1 3 * 4 * Copyright (c) 1999 The Apache Software Foundation. All rights 5 * reserved. 6 * 7 * Redistribution and use in source and binary forms, with or without 8 * modification, are permitted provided that the following conditions 9 * are met: 10 * 11 * 1. Redistributions of source code must retain the above copyright 12 * notice, this list of conditions and the following disclaimer. 13 * 14 * 2. Redistributions in binary form must reproduce the above copyright 15 * notice, this list of conditions and the following disclaimer in 16 * the documentation and/or other materials provided with the 17 * distribution. 18 * 19 * 3. The end-user documentation included with the redistribution, if 20 * any, must include the following acknowlegement: 21 * "This product includes software developed by the 22 * Apache Software Foundation (http://www.apache.org/)." 23 * Alternately, this acknowlegement may appear in the software itself, 24 * if and wherever such third-party acknowlegements normally appear. 25 * 26 * 4. The names "The Jakarta Project", "Tomcat", and "Apache Software 27 * Foundation" must not be used to endorse or promote products derived 28 * from this software without prior written permission. For written 29 * permission, please contact apache@apache.org. 30 * 31 * 5. Products derived from this software may not be called "Apache" 32 * nor may "Apache" appear in their names without prior written 33 * permission of the Apache Group. 34 * 35 * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED 36 * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 37 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE 38 * DISCLAIMED. IN NO EVENT SHALL THE APACHE SOFTWARE FOUNDATION OR 39 * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 40 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 41 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF 42 * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND 43 * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, 44 * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT 45 * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 46 * SUCH DAMAGE. 47 * ==================================================================== 48 * 49 * This software consists of voluntary contributions made by many 50 * individuals on behalf of the Apache Software Foundation. For more 51 * information on the Apache Software Foundation, please see 52 * <http://www.apache.org/>;. 53 * 54 */ 55 package org.apache.commons.jelly.tags.sql; 56 57 import java.util.*; 58 import javax.servlet.jsp.jstl.sql.SQLExecutionTag; 59 60 import org.apache.commons.jelly.JellyContext; 61 import org.apache.commons.jelly.JellyException; 62 import org.apache.commons.jelly.TagSupport; 63 import org.apache.commons.jelly.XMLOutput; 64 import org.apache.commons.jelly.tags.Resources; 65 66 /*** 67 * <p>Tag handler for <Param> in JSTL, used to set 68 * parameter values for a SQL statement.</p> 69 * 70 * @author Hans Bergsten 71 */ 72 73 public class ParamTag extends TagSupport { 74 protected Object value; 75 76 77 public void setValue(Object value) { 78 this.value = value; 79 } 80 81 //********************************************************************** 82 // Tag logic 83 84 public void doTag(XMLOutput output) throws Exception { 85 SQLExecutionTag parent = 86 (SQLExecutionTag) findAncestorWithClass(this, SQLExecutionTag.class); 87 if (parent == null) { 88 throw new JellyException(Resources.getMessage("SQL_PARAM_OUTSIDE_PARENT")); 89 } 90 91 Object paramValue = value; 92 if (value != null) { 93 paramValue = value; 94 } 95 else { 96 String bodyContent = getBodyText(); 97 if (bodyContent != null) { 98 bodyContent = bodyContent.trim(); 99 if (bodyContent.length() > 0) { 100 paramValue = bodyContent; 101 } 102 } 103 } 104 105 parent.addSQLParameter(paramValue); 106 } 107 }

This page was automatically generated by Maven