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/*
 * Copyright 1999-2018 Alibaba Group Holding Ltd.
 *
 * 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 com.alibaba.nacos.common.utils;

import org.slf4j.Logger;

/**
 * Logger utils.
 *
 * @author liaochuntao
 */
public final class LoggerUtils {

    private LoggerUtils() {
    }
    
    public static final String TRACE = "TRACE";
    
    public static final String INFO = "INFO";
    
    public static final String DEBUG = "DEBUG";
    
    public static final String WARN = "WARN";
    
    public static final String ERROR = "ERROR";
    
    /**
     * Print if log debug level is enabled.
     *
     * @param logger logger
     * @param s      log message
     * @param args   arguments
     */
    public static void printIfDebugEnabled(Logger logger, String s, Object... args) {
        if (logger.isDebugEnabled()) {
            logger.debug(s, args);
        }
    }
    
    /**
     * Print if log info level is enabled.
     *
     * @param logger logger
     * @param s      log message
     * @param args   arguments
     */
    public static void printIfInfoEnabled(Logger logger, String s, Object... args) {
        if (logger.isInfoEnabled()) {
            logger.info(s, args);
        }
    }
    
    /**
     * Print if log trace level is enabled.
     *
     * @param logger logger
     * @param s      log message
     * @param args   arguments
     */
    public static void printIfTraceEnabled(Logger logger, String s, Object... args) {
        if (logger.isTraceEnabled()) {
            logger.trace(s, args);
        }
    }
    
    /**
     * Print if log warn level is enabled.
     *
     * @param logger logger
     * @param s      log message
     * @param args   arguments
     */
    public static void printIfWarnEnabled(Logger logger, String s, Object... args) {
        if (logger.isWarnEnabled()) {
            logger.warn(s, args);
        }
    }
    
    /**
     * Print if log error level is enabled.
     *
     * @param logger logger
     * @param s      log message
     * @param args   arguments
     */
    public static void printIfErrorEnabled(Logger logger, String s, Object... args) {
        if (logger.isErrorEnabled()) {
            logger.error(s, args);
        }
    }
    
}