org.apache.activemq.artemis.core.server.LoggingConfigurationFileReloader Maven / Gradle / Ivy
/**
* 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.activemq.artemis.core.server;
import java.io.InputStream;
import java.net.URL;
import java.util.concurrent.locks.Lock;
import java.util.concurrent.locks.ReentrantLock;
import org.apache.activemq.artemis.core.server.reload.ReloadCallback;
import org.jboss.logmanager.Configurator;
import org.jboss.logmanager.LogContext;
import org.jboss.logmanager.PropertyConfigurator;
import org.jboss.logmanager.config.LogContextConfiguration;
public class LoggingConfigurationFileReloader implements ReloadCallback {
private final Lock lock = new ReentrantLock();
private final org.jboss.logmanager.Logger.AttachmentKey KEY = new org.jboss.logmanager.Logger.AttachmentKey<>();
@Override
public void reload(URL uri) throws Exception {
ActiveMQServerLogger.LOGGER.reloadingConfiguration("logging");
final LoggingConfigurationUpdater updater = getOrCreateUpdater();
if (updater == null) {
ActiveMQServerLogger.LOGGER.loggingReloadFailed(uri.toString(), null);
return;
}
try (InputStream in = uri.openStream()) {
lock.lock();
updater.configure(in);
} catch (Exception e) {
ActiveMQServerLogger.LOGGER.loggingReloadFailed(uri.toString(), e);
} finally {
lock.unlock();
}
}
private LoggingConfigurationUpdater getOrCreateUpdater() {
final LogContext logContext = LogContext.getLogContext();
final org.jboss.logmanager.Logger rootLogger = logContext.getLogger("");
LoggingConfigurationUpdater updater = rootLogger.getAttachment(KEY);
if (updater == null) {
final LogContextConfiguration logContextConfiguration = getOrCreateConfiguration(rootLogger);
if (logContextConfiguration == null) {
return null;
}
updater = new LoggingConfigurationUpdater(logContextConfiguration);
final LoggingConfigurationUpdater appearing = rootLogger.attachIfAbsent(KEY, updater);
if (appearing != null) {
updater = appearing;
}
}
return updater;
}
private LogContextConfiguration getOrCreateConfiguration(final org.jboss.logmanager.Logger rootLogger) {
Configurator configurator = rootLogger.getAttachment(Configurator.ATTACHMENT_KEY);
if (configurator == null) {
configurator = new PropertyConfigurator(rootLogger.getLogContext());
final Configurator appearing = rootLogger.attachIfAbsent(Configurator.ATTACHMENT_KEY, configurator);
if (appearing != null) {
configurator = appearing;
}
}
if (configurator instanceof PropertyConfigurator) {
return ((PropertyConfigurator) configurator).getLogContextConfiguration();
}
if (configurator instanceof LogContextConfiguration) {
return (LogContextConfiguration) configurator;
}
return null;
}
}