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; 019 020import java.text.MessageFormat; 021 022/** 023 * Abstract logger implementation. 024 * @author Paul Ferraro 025 */ 026public abstract class AbstractLogger implements Logger 027{ 028 /** 029 * {@inheritDoc} 030 * @see net.sf.hajdbc.logging.Logger#log(net.sf.hajdbc.logging.Level, java.lang.String, java.lang.Object[]) 031 */ 032 @Override 033 public final void log(Level level, String pattern, Object... args) 034 { 035 this.log(level, null, pattern, args); 036 } 037 038 /** 039 * {@inheritDoc} 040 * @see net.sf.hajdbc.logging.Logger#log(net.sf.hajdbc.logging.Level, java.lang.Throwable) 041 */ 042 @Override 043 public final void log(Level level, Throwable e) 044 { 045 this.log(level, e, e.getMessage()); 046 } 047 048 protected static String format(String pattern, Object... args) 049 { 050 return (args.length == 0) ? pattern : MessageFormat.format(pattern, args); 051 } 052}