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High-Availability JDBC

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/*
 * HA-JDBC: High-Availability JDBC
 * Copyright (C) 2012  Paul Ferraro
 *
 * This program is free software: you can redistribute it and/or modify
 * it under the terms of the GNU Lesser General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU Lesser General Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public License
 * along with this program.  If not, see .
 */
package net.sf.hajdbc.logging;

import java.util.ServiceLoader;

/**
 * Factory for creating {@link Logger} implementation from various logging service provider implementations.
 * @author Paul Ferraro
 */
public final class LoggerFactory
{
	private static final LoggingProvider provider = getProvider();

	private static LoggingProvider getProvider()
	{
		for (LoggingProvider provider: ServiceLoader.load(LoggingProvider.class, LoggingProvider.class.getClassLoader()))
		{
			if (provider.isEnabled())
			{
				provider.getLogger(LoggerFactory.class).log(Level.DEBUG, "Using {0} logging", provider.getName());
				
				return provider;
			}
		}
		throw new IllegalStateException(String.format("No %s found", LoggingProvider.class.getName()));
	}
	
	public static Logger getLogger(Class targetClass)
	{
		return provider.getLogger(targetClass);
	}
	
	private LoggerFactory()
	{
		// Hide
	}
}