001/* 002 * HA-JDBC: High-Availability JDBC 003 * Copyright (C) 2012 Paul Ferraro 004 * 005 * This program is free software: you can redistribute it and/or modify 006 * it under the terms of the GNU Lesser General Public License as published by 007 * the Free Software Foundation, either version 3 of the License, or 008 * (at your option) any later version. 009 * 010 * This program is distributed in the hope that it will be useful, 011 * but WITHOUT ANY WARRANTY; without even the implied warranty of 012 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 013 * GNU Lesser General Public License for more details. 014 * 015 * You should have received a copy of the GNU Lesser General Public License 016 * along with this program. If not, see <http://www.gnu.org/licenses/>. 017 */ 018package net.sf.hajdbc.util; 019 020import java.io.Closeable; 021import java.io.IOException; 022import java.io.ObjectInput; 023import java.io.ObjectOutput; 024import java.sql.Connection; 025import java.sql.ResultSet; 026import java.sql.SQLException; 027import java.sql.Statement; 028 029import net.sf.hajdbc.logging.Level; 030import net.sf.hajdbc.logging.Logger; 031import net.sf.hajdbc.logging.LoggerFactory; 032 033public class Resources 034{ 035 private static final Logger logger = LoggerFactory.getLogger(Resources.class); 036 037 public static void close(Closeable resource) 038 { 039 try 040 { 041 resource.close(); 042 } 043 catch (IOException e) 044 { 045 logger.log(Level.WARN, e); 046 } 047 } 048 049 public static void close(ObjectOutput output) 050 { 051 try 052 { 053 output.close(); 054 } 055 catch (IOException e) 056 { 057 logger.log(Level.WARN, e); 058 } 059 } 060 061 public static void close(ObjectInput input) 062 { 063 try 064 { 065 input.close(); 066 } 067 catch (IOException e) 068 { 069 logger.log(Level.WARN, e); 070 } 071 } 072 073 public static void close(Connection connection) 074 { 075 try 076 { 077 connection.close(); 078 } 079 catch (SQLException e) 080 { 081 logger.log(Level.WARN, e); 082 } 083 } 084 085 public static void close(Statement statement) 086 { 087 try 088 { 089 statement.close(); 090 } 091 catch (SQLException e) 092 { 093 logger.log(Level.WARN, e); 094 } 095 } 096 097 public static void close(ResultSet resultSet) 098 { 099 try 100 { 101 resultSet.close(); 102 } 103 catch (SQLException e) 104 { 105 logger.log(Level.WARN, e); 106 } 107 } 108 109 private Resources() 110 { 111 // Hide 112 } 113}