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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 56 package javax.servlet.jsp.jstl.sql; 57 58 /*** 59 * <p>This interface allows tag handlers implementing it to receive 60 * values for parameter markers ("?") in their SQL statements.</p> 61 * 62 * <p>This interface is implemented by both <sql:query> and 63 * <sql:update>. Its <code>addSQLParameter()</code> method 64 * is called by nested parameter actions (such as <sql:param>) 65 * to substitue <code>PreparedStatement<code> parameter values for 66 * "?" parameter markers in the SQL statement of the enclosing 67 * <code>SQLExecutionTag</code> action.</p> 68 * 69 * <p>The given parameter values are converted to their corresponding 70 * SQL type (following the rules in the JDBC specification) before 71 * they are sent to the database.</p> 72 * 73 * <p>Keeing track of the index of the parameter values being added 74 * is the responsibility of the tag handler implementing this 75 * interface</p> 76 * 77 * <p>The <code>SQLExcecutionTag</code> interface is exposed in order 78 * to support custom parameter actions which may retrieve their 79 * parameters from any source and process them before substituting 80 * them for a parameter marker in the sQL statement of the 81 * enclosing <code>SQLExecutionTag</code> action</p> 82 * 83 * @author Justyna Horwat 84 */ 85 public interface SQLExecutionTag { 86 87 /*** 88 * Adds a PreparedStatement parameter value 89 * 90 * @param the PreparedStatement parameter value 91 */ 92 public void addSQLParameter(Object value); 93 }

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