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/*
 * Copyright (c) 2012 Imre Fazekas.
 *  All rights reserved.
 *  Redistribution and use in source and binary forms, with or without
 *  modification, are permitted provided that the following conditions are met:
 *
 *  Redistributions of source code must retain the above copyright notice, this
 *  list of conditions and the following disclaimer.
 *
 *  Redistributions in binary form must reproduce the above copyright notice,
 *  this list of conditions and the following disclaimer in the documentation
 *  and/or other materials provided with the distribution.
 *  Neither the name of the Brillien nor the names of its
 *  terms and concepts may be used to endorse or promote products derived from this
 *  software without specific prior written permission.
 *
 *  THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
 *  AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 *  IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
 *  ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
 *  LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
 *  CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
 *  SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
 *  INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
 *  CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
 *  ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
 *  POSSIBILITY OF SUCH DAMAGE.
 */

package org.slf4j.impl;

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

import java.util.HashMap;
import java.util.Map;

/**
 * JDK14LoggerFactory is an implementation of {@link ILoggerFactory} returning
 * the appropriately named {@link BrillienLoggerAdapter} instance.
 *
 * @author Ceki Gülcü
 */
public class JDK14LoggerFactory implements ILoggerFactory {

    // key: name (String), value: a JDK14LoggerAdapter;
    Map loggerMap;

    public JDK14LoggerFactory() {
        loggerMap = new HashMap();
    }

    /*
    * (non-Javadoc)
    *
    * @see org.slf4j.ILoggerFactory#getLogger(java.lang.String)
    */
    public synchronized Logger getLogger(String name) {
        Logger ulogger = null;
        // protect against concurrent access of loggerMap
        synchronized (this) {
            // the root logger is called "" in JUL
            if (name.equalsIgnoreCase(Logger.ROOT_LOGGER_NAME)) {
                name = "";
            }
            ulogger = (Logger) loggerMap.get(name);
            if (ulogger == null) {
                java.util.logging.Logger logger = java.util.logging.Logger
                        .getLogger(name);
                ulogger = new BrillienLoggerAdapter(logger);
                loggerMap.put(name, ulogger);
            }
        }
        return ulogger;
    }
}