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}