/*
 * CDDL HEADER START
 *
 * The contents of this file are subject to the terms of the
 * Common Development and Distribution License, Version 1.0 only
 * (the "License").  You may not use this file except in compliance
 * with the License.
 *
 * You can obtain a copy of the license at legal-notices/CDDLv1_0.txt
 * or http://forgerock.org/license/CDDLv1.0.html.
 * See the License for the specific language governing permissions
 * and limitations under the License.
 *
 * When distributing Covered Code, include this CDDL HEADER in each
 * file and include the License file at legal-notices/CDDLv1_0.txt.
 * If applicable, add the following below this CDDL HEADER, with the
 * fields enclosed by brackets "[]" replaced with your own identifying
 * information:
 *      Portions Copyright [yyyy] [name of copyright owner]
 *
 * CDDL HEADER END
 *
 *
 *      Copyright 2014-2015 ForgeRock AS.
 */
package org.opends.server.loggers.slf4j;

import java.util.concurrent.ConcurrentHashMap;
import java.util.concurrent.ConcurrentMap;

import org.slf4j.ILoggerFactory;
import org.slf4j.Logger;

/**
 * Factory to retrieve an openDJ implementation of SLF4J Logger.
 */
public final class OpenDJLoggerFactory implements ILoggerFactory {

    private final ConcurrentMap<String, Logger> loggerMap;

    /** Create the factory. */
    public OpenDJLoggerFactory() {
        loggerMap = new ConcurrentHashMap<>();
    }

    /** {@inheritDoc} */
    public Logger getLogger(String name) {
        if (name.equalsIgnoreCase(Logger.ROOT_LOGGER_NAME)) {
            name = "org.forgerock";
        }

        Logger slf4jLogger = loggerMap.get(name);
        if (slf4jLogger != null) {
            return slf4jLogger;
        }
        Logger newInstance = new OpenDJLoggerAdapter(name);
        Logger oldInstance = loggerMap.putIfAbsent(name, newInstance);
        return oldInstance == null ? newInstance : oldInstance;
    }
}