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.logging.slf4j; 019 020import org.slf4j.LoggerFactory; 021 022import net.sf.hajdbc.logging.AbstractLogger; 023import net.sf.hajdbc.logging.Level; 024 025/** 026 * SLF4J-based {@link net.sf.hajdbc.logging.Logger}. 027 * @author Paul Ferraro 028 */ 029public class SLF4JLogger extends AbstractLogger 030{ 031 private final org.slf4j.Logger logger; 032 033 public SLF4JLogger(Class<?> targetClass) 034 { 035 this.logger = LoggerFactory.getLogger(targetClass); 036 } 037 038 /** 039 * {@inheritDoc} 040 * @see net.sf.hajdbc.logging.Logger#log(net.sf.hajdbc.logging.Level, java.lang.Throwable, java.lang.String, java.lang.Object[]) 041 */ 042 @Override 043 public void log(Level level, Throwable e, String pattern, Object... args) 044 { 045 switch (level) 046 { 047 case ERROR: 048 { 049 if (this.logger.isErrorEnabled()) 050 { 051 String message = format(pattern, args); 052 053 if (e != null) 054 { 055 this.logger.error(message, e); 056 } 057 else 058 { 059 this.logger.error(message); 060 } 061 } 062 063 break; 064 } 065 case WARN: 066 { 067 if (this.logger.isWarnEnabled()) 068 { 069 String message = format(pattern, args); 070 071 if (e != null) 072 { 073 this.logger.warn(message, e); 074 } 075 else 076 { 077 this.logger.warn(message); 078 } 079 } 080 081 break; 082 } 083 case INFO: 084 { 085 if (this.logger.isInfoEnabled()) 086 { 087 String message = format(pattern, args); 088 089 if (e != null) 090 { 091 this.logger.info(message, e); 092 } 093 else 094 { 095 this.logger.info(message); 096 } 097 } 098 099 break; 100 } 101 case DEBUG: 102 { 103 if (this.logger.isDebugEnabled()) 104 { 105 String message = format(pattern, args); 106 107 if (e != null) 108 { 109 this.logger.debug(message, e); 110 } 111 else 112 { 113 this.logger.debug(message); 114 } 115 } 116 117 break; 118 } 119 case TRACE: 120 { 121 if (this.logger.isTraceEnabled()) 122 { 123 String message = format(pattern, args); 124 125 if (e != null) 126 { 127 this.logger.trace(message, e); 128 } 129 else 130 { 131 this.logger.trace(message); 132 } 133 } 134 135 break; 136 } 137 } 138 } 139}