org.ops4j.pax.logging.slf4j.PaxLoggingSLF4JServiceProvider Maven / Gradle / Ivy

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The Pax Logging API Library is to allow for the Pax Logging Service to be reloaded without stopping the many dependent bundles. It also contains the OSGi Log Service API and the Knopflerfish Log API.

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/*
 * Copyright 2023 OPS4J.
 *
 * 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.ops4j.pax.logging.slf4j;

import org.slf4j.ILoggerFactory;
import org.slf4j.IMarkerFactory;
import org.slf4j.helpers.BasicMarkerFactory;
import org.slf4j.spi.MDCAdapter;
import org.slf4j.spi.SLF4JServiceProvider;

/**
 * In SLF4J 2 API, the goal of {@link SLF4JServiceProvider} is to prepare and return on demand 3 implementations:
 *     {@link ILoggerFactory}
 *     {@link IMarkerFactory}
 *     {@link MDCAdapter}
 * 
 */
public class PaxLoggingSLF4JServiceProvider implements SLF4JServiceProvider {

    private ILoggerFactory loggerFactory;
    public static IMarkerFactory markerFactory = new BasicMarkerFactory();
    private MDCAdapter mdcAdapter;

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

    @Override
    public IMarkerFactory getMarkerFactory() {
        return markerFactory;
    }

    @Override
    public MDCAdapter getMDCAdapter() {
        return mdcAdapter;
    }

    @Override
    public String getRequestedApiVersion() {
        return "2.0.100";
    }

    @Override
    public void initialize() {
        this.loggerFactory = new Slf4jLoggerFactory();
        this.mdcAdapter = new Slf4jMDCAdapter();
    }

}