com.mayabot.nlp.common.logging.Slf4JLoggerFactory Maven / Gradle / Ivy

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/*
 * Copyright 2018 mayabot.com authors. All rights reserved.
 *
 * 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.
 */

/*
 * Copyright 2012 The Netty Project
 *
 * The Netty Project licenses this file to you 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 com.mayabot.nlp.common.logging;


import org.slf4j.LoggerFactory;
import org.slf4j.helpers.NOPLoggerFactory;

/**
 * Logger factory which creates a SLF4J
 * logger.
 */
public class Slf4JLoggerFactory extends InternalLoggerFactory {

    @SuppressWarnings("deprecation")
    public static final InternalLoggerFactory INSTANCE = new Slf4JLoggerFactory();

    /**
     * @deprecated Use {@link #INSTANCE} instead.
     */
    @Deprecated
    public Slf4JLoggerFactory() {
    }

    Slf4JLoggerFactory(boolean failIfNOP) {
        assert failIfNOP; // Should be always called with true.
        if (LoggerFactory.getILoggerFactory() instanceof NOPLoggerFactory) {
            throw new NoClassDefFoundError("NOPLoggerFactory not supported");
        }
    }

    @Override
    public InternalLogger newInstance(String name) {
        return new Slf4JLogger(LoggerFactory.getLogger(name));
    }
}