PicketLinkLoggerFactory.java

/*
 * JBoss, Home of Professional Open Source.
 * Copyright 2012, Red Hat, Inc., and individual contributors
 * as indicated by the @author tags. See the copyright.txt file in the
 * distribution for a full listing of individual contributors.
 *
 * This 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 2.1 of
 * the License, or (at your option) any later version.
 *
 * This software 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 software; if not, write to the Free
 * Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
 * 02110-1301 USA, or see the FSF site: http://www.fsf.org.
 */

package org.picketlink.identity.federation;

/**
 * <p>
 * Factory class to create {@link PicketLinkLogger} instances.
 * </p>
 * <p>
 * The logger instances are created based on the following patterns: <br/>
 * <ul>
 * <li>Tries to load a class with the same full qualified name of {@link PicketLinkLogger} plus the "Impl" suffix;</li>
 * <li>If no class is found fallback to the {@link DefaultPicketLinkLogger} as the default logger implementation.</li>
 * </ul>
 * </p>
 * 
 * 
 * @author <a href="mailto:psilva@redhat.com">Pedro Silva</a>
 * 
 */
public final class PicketLinkLoggerFactory {

    private static PicketLinkLogger LOGGER;

    static {
        try {
            LOGGER = (PicketLinkLogger) Class.forName(PicketLinkLogger.class.getName() + "Impl").newInstance();
        } catch (Exception e) {
            // if no implementation is found uses the default implementation.
            LOGGER = new DefaultPicketLinkLogger();
        }
        
        LOGGER.usingLoggerImplementation(LOGGER.getClass().getName());
    }

    /**
     * <p>Returns a {@link PicketLinkLogger} instance.</p>
     * 
     * @return
     */
    public static final PicketLinkLogger getLogger() {
        return LOGGER;
    }

}