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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 java.sql.Time; 59 import java.sql.Date; 60 import java.sql.Timestamp; 61 import javax.servlet.jsp.jstl.sql.SQLExecutionTag; 62 63 import org.apache.commons.jelly.JellyContext; 64 import org.apache.commons.jelly.JellyException; 65 import org.apache.commons.jelly.TagSupport; 66 import org.apache.commons.jelly.XMLOutput; 67 import org.apache.commons.jelly.tags.Resources; 68 69 /*** 70 * <p>Tag handler for <Param> in JSTL, used to set 71 * parameter values for a SQL statement.</p> 72 * 73 * @author Justyna Horwat 74 */ 75 76 public class DateParamTag extends TagSupport { 77 78 //********************************************************************** 79 // Private constants 80 81 private static final String TIMESTAMP_TYPE = "timestamp"; 82 private static final String TIME_TYPE = "time"; 83 private static final String DATE_TYPE = "date"; 84 85 //********************************************************************* 86 // Protected state 87 88 protected String type; 89 protected java.util.Date value; 90 91 //********************************************************************* 92 // Constructor 93 94 public DateParamTag() { 95 } 96 97 //********************************************************************* 98 // Properties 99 100 public void setValue(Date value) { 101 this.value = value; 102 } 103 104 public void setType(String type) { 105 this.type = type; 106 } 107 108 //********************************************************************* 109 // Tag logic 110 111 public void doTag(XMLOutput output) throws Exception { 112 SQLExecutionTag parent = 113 (SQLExecutionTag) findAncestorWithClass(this, SQLExecutionTag.class); 114 if (parent == null) { 115 throw new JellyException(Resources.getMessage("SQL_PARAM_OUTSIDE_PARENT")); 116 } 117 118 if (value != null) { 119 convertValue(); 120 } 121 122 parent.addSQLParameter(value); 123 } 124 125 //********************************************************************* 126 // Private utility methods 127 128 private void convertValue() throws JellyException { 129 130 if ((type == null) || (type.equalsIgnoreCase(TIMESTAMP_TYPE))) { 131 if (!(value instanceof java.sql.Timestamp)) { 132 value = new java.sql.Timestamp(value.getTime()); 133 } 134 } 135 else if (type.equalsIgnoreCase(TIME_TYPE)) { 136 if (!(value instanceof java.sql.Time)) { 137 value = new java.sql.Time(value.getTime()); 138 } 139 } 140 else if (type.equalsIgnoreCase(DATE_TYPE)) { 141 if (!(value instanceof java.sql.Date)) { 142 value = new java.sql.Date(value.getTime()); 143 } 144 } 145 else { 146 throw new JellyException( 147 Resources.getMessage("SQL_DATE_PARAM_INVALID_TYPE", type)); 148 } 149 } 150 }

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