| /** |
| * 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.apache.felix.logback.internal; |
| |
| import java.util.AbstractMap.SimpleEntry; |
| |
| import org.osgi.annotation.bundle.Header; |
| import org.osgi.framework.BundleActivator; |
| import org.osgi.framework.BundleContext; |
| import org.osgi.framework.Constants; |
| import org.osgi.framework.ServiceReference; |
| import org.osgi.service.log.LogReaderService; |
| import org.osgi.service.log.admin.LoggerAdmin; |
| import org.osgi.util.tracker.ServiceTracker; |
| import org.slf4j.bridge.SLF4JBridgeHandler; |
| |
| @Header(name = Constants.BUNDLE_ACTIVATOR, value = "${@class}") |
| public class Activator implements BundleActivator { |
| |
| static { |
| SLF4JBridgeHandler.removeHandlersForRootLogger(); |
| SLF4JBridgeHandler.install(); |
| } |
| |
| private volatile ServiceTracker<LoggerAdmin, LRST> lat; |
| |
| @Override |
| public void start(final BundleContext bundleContext) throws Exception { |
| lat = new ServiceTracker<LoggerAdmin, LRST>( |
| bundleContext, LoggerAdmin.class, null) { |
| |
| @Override |
| public LRST addingService( |
| ServiceReference<LoggerAdmin> reference) { |
| |
| LoggerAdmin loggerAdmin = bundleContext.getService(reference); |
| |
| LRST lrst = new LRST(bundleContext, loggerAdmin); |
| |
| lrst.open(); |
| |
| return lrst; |
| } |
| |
| @Override |
| public void removedService( |
| ServiceReference<LoggerAdmin> reference, LRST lrst) { |
| |
| lrst.close(); |
| } |
| }; |
| |
| lat.open(); |
| } |
| |
| @Override |
| public void stop(BundleContext bundleContext) throws Exception { |
| lat.close(); |
| } |
| |
| class LRST extends ServiceTracker<LogReaderService, Pair> { |
| |
| public LRST(BundleContext context, LoggerAdmin loggerAdmin) { |
| super(context, LogReaderService.class, null); |
| |
| this.loggerAdmin = loggerAdmin; |
| } |
| |
| @Override |
| public Pair addingService( |
| ServiceReference<LogReaderService> reference) { |
| |
| LogReaderService logReaderService = context.getService(reference); |
| |
| LogbackLogListener logbackLogListener = new LogbackLogListener(loggerAdmin); |
| |
| logReaderService.addLogListener(logbackLogListener); |
| |
| return new Pair(logReaderService, logbackLogListener); |
| } |
| |
| @Override |
| public void removedService( |
| ServiceReference<LogReaderService> reference, |
| Pair pair) { |
| |
| pair.getKey().removeLogListener(pair.getValue()); |
| } |
| |
| private final LoggerAdmin loggerAdmin; |
| |
| } |
| |
| class Pair extends SimpleEntry<LogReaderService, LogbackLogListener> { |
| |
| private static final long serialVersionUID = 1L; |
| |
| public Pair(LogReaderService logReaderService, LogbackLogListener logbackLogListener) { |
| super(logReaderService, logbackLogListener); |
| } |
| |
| } |
| |
| } |