scr/src/main/java/org/apache/felix/scr/impl/logger/ScrLogger.java

/*
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements.  See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership.  The ASF 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 org.apache.felix.scr.impl.logger;

import org.apache.felix.scr.impl.manager.ScrConfiguration;
import org.osgi.framework.BundleContext;
import org.osgi.service.log.LoggerFactory;
import org.osgi.util.tracker.ServiceTracker;

/**
 * This is the "global" logger used by the implementation for all logging
 * not directly related to an extended bundle (and its components)
 */
public class ScrLogger extends LogServiceEnabledLogger
{
    private final ScrConfiguration config;
    public ScrLogger(final ScrConfiguration config, BundleContext context)
    {
        super(context.getBundle(), getTracker(context));
        this.config = config;
    }

    @Override
    InternalLogger getDefaultLogger()
    {
        return new StdOutLogger(config);
    }

    private static ServiceTracker<LoggerFactory, LoggerFactory> getTracker(
        BundleContext context)
    {
        ServiceTracker<LoggerFactory, LoggerFactory> tracker = new ServiceTracker<>(
            context, "org.osgi.service.log.LoggerFactory", null);
        tracker.open();
        return tracker;
    }

    public void closeTracker()
    {
        getLoggerFactoryTracker().close();
    }
}