StaticLoggerBinder.java

/*
 * Copyright 2014 Higher Frequency Trading
 *
 * http://www.higherfrequencytrading.com
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 * http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package org.slf4j.impl;

import net.openhft.chronicle.logger.slf4j.ChronicleLoggerFactory;
import org.slf4j.ILoggerFactory;
import org.slf4j.spi.LoggerFactoryBinder;

public class StaticLoggerBinder implements LoggerFactoryBinder {

    /**
     * The unique instance of this class.
     */
    private static final StaticLoggerBinder SINGLETON = new StaticLoggerBinder();
    private static final String loggerFactoryClassStr = ChronicleLoggerFactory.class.getName();
    /**
     * Declare the version of the SLF4J API this implementation is compiled
     * against. The value of this field is usually modified with each release.
     */
    // to avoid constant folding by the compiler, this field must *not* be final
    public static String REQUESTED_API_VERSION = "1.6.99";  // !final
    /**
     * The ILoggerFactory instance returned by the {@link #getLoggerFactory}
     * method should always be the same object
     */
    private final ILoggerFactory loggerFactory;

    /**
     * c-tor
     */
    private StaticLoggerBinder() {
        loggerFactory = new ChronicleLoggerFactory();
    }

    /**
     * Return the singleton of this class.
     *
     * @return the StaticLoggerBinder singleton
     */
    public static final StaticLoggerBinder getSingleton() {
        return SINGLETON;
    }

    @Override
    public ILoggerFactory getLoggerFactory() {
        return loggerFactory;
    }

    @Override
    public String getLoggerFactoryClassStr() {
        return loggerFactoryClassStr;
    }
}