com.webull.openapi.logger.Slf4JLoggerFactory Maven / Gradle / Ivy

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/*
 * Copyright 2022 Webull
 *
 * 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
 *
 *     https://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.webull.openapi.logger;

import org.slf4j.helpers.NOPLoggerFactory;
import org.slf4j.spi.LocationAwareLogger;

public class Slf4JLoggerFactory extends LoggerFactory {

    static LoggerFactory getInstance() {
        return InstanceHolder.INSTANCE;
    }

    private static final class InstanceHolder {
        private static final LoggerFactory INSTANCE = new Slf4JLoggerFactory();
    }

    private Slf4JLoggerFactory() {
        if (org.slf4j.LoggerFactory.getILoggerFactory() instanceof NOPLoggerFactory) {
            throw new NoClassDefFoundError("NOPLoggerFactory not supported");
        }
    }

    @Override
    public Logger newLogger(String name) {
        org.slf4j.Logger logger = org.slf4j.LoggerFactory.getLogger(name);
        return logger instanceof LocationAwareLogger ?
                new Slf4jLocationAwareLogger((LocationAwareLogger) logger) : new Slf4JLogger(logger);
    }
}