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1 /*** 2 * Redistribution and use of this software and associated documentation 3 * ("Software"), with or without modification, are permitted provided 4 * that the following conditions are met: 5 * 6 * 1. Redistributions of source code must retain copyright 7 * statements and notices. Redistributions must also contain a 8 * copy of this document. 9 * 10 * 2. Redistributions in binary form must reproduce the 11 * above copyright notice, this list of conditions and the 12 * following disclaimer in the documentation and/or other 13 * materials provided with the distribution. 14 * 15 * 3. The name "Exolab" must not be used to endorse or promote 16 * products derived from this Software without prior written 17 * permission of Exoffice Technologies. For written permission, 18 * please contact info@exolab.org. 19 * 20 * 4. Products derived from this Software may not be called "Exolab" 21 * nor may "Exolab" appear in their names without prior written 22 * permission of Exoffice Technologies. Exolab is a registered 23 * trademark of Exoffice Technologies. 24 * 25 * 5. Due credit should be given to the Exolab Project 26 * (http://www.exolab.org/). 27 * 28 * THIS SOFTWARE IS PROVIDED BY EXOFFICE TECHNOLOGIES AND CONTRIBUTORS 29 * ``AS IS'' AND ANY EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT 30 * NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND 31 * FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL 32 * EXOFFICE TECHNOLOGIES OR ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, 33 * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES 34 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR 35 * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 36 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, 37 * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 38 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED 39 * OF THE POSSIBILITY OF SUCH DAMAGE. 40 * 41 * Copyright 2000 (C) Exoffice Technologies Inc. All Rights Reserved. 42 */ 43 44 package org.exolab.jms.persistence; 45 46 47 import java.sql.Connection; 48 import java.sql.ResultSet; 49 import java.sql.SQLException; 50 import java.sql.Statement; 51 52 53 /*** 54 * SQL helper routines 55 * 56 * @version $Revision: 1.3 $ $Date: 2003/07/08 11:38:58 $ 57 * @author <a href="mailto:tima@intalio.com">Tim Anderson</a> 58 **/ 59 public class SQLHelper { 60 61 public static boolean rollback(Connection connection) { 62 boolean rolledback = false; 63 if (connection != null) { 64 try { 65 connection.rollback(); 66 rolledback = true; 67 } catch (SQLException ignore) { 68 } 69 } 70 return rolledback; 71 } 72 73 public static boolean close(Connection connection) { 74 boolean closed = false; 75 if (connection != null) { 76 try { 77 connection.close(); 78 closed = true; 79 } catch (SQLException ignore) { 80 } 81 } 82 return closed; 83 } 84 85 public static boolean close(Statement statement) { 86 boolean closed = false; 87 if (statement != null) { 88 try { 89 statement.close(); 90 closed = true; 91 } catch (SQLException ignore) { 92 } 93 } 94 return closed; 95 } 96 97 public static boolean close(ResultSet set) { 98 boolean closed = false; 99 if (set != null) { 100 try { 101 set.close(); 102 closed = true; 103 } catch (SQLException ignore) { 104 } 105 } 106 return closed; 107 } 108 }

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