/**
* Copyright (c) 2000-present Liferay, Inc. All rights reserved.
*
* This library is free software; you can redistribute it and/or modify it under
* the terms of the GNU Lesser General Public License as published by the Free
* Software Foundation; either version 2.1 of the License, or (at your option)
* any later version.
*
* This library is distributed in the hope that it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
* FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more
* details.
*/
package com.liferay.portal.security.audit.wiring.internal.messaging;
import com.liferay.portal.configuration.metatype.bnd.util.ConfigurableUtil;
import com.liferay.portal.kernel.concurrent.CallerRunsPolicy;
import com.liferay.portal.kernel.concurrent.RejectedExecutionHandler;
import com.liferay.portal.kernel.concurrent.ThreadPoolExecutor;
import com.liferay.portal.kernel.log.Log;
import com.liferay.portal.kernel.log.LogFactoryUtil;
import com.liferay.portal.kernel.messaging.Destination;
import com.liferay.portal.kernel.messaging.DestinationConfiguration;
import com.liferay.portal.kernel.messaging.DestinationFactory;
import com.liferay.portal.kernel.messaging.DestinationNames;
import com.liferay.portal.kernel.messaging.proxy.ProxyMessageListener;
import com.liferay.portal.kernel.util.HashMapDictionary;
import com.liferay.portal.security.audit.configuration.AuditConfiguration;
import java.util.Dictionary;
import org.osgi.framework.BundleContext;
import org.osgi.framework.ServiceRegistration;
import org.osgi.service.component.ComponentContext;
import org.osgi.service.component.annotations.Activate;
import org.osgi.service.component.annotations.Component;
import org.osgi.service.component.annotations.Deactivate;
import org.osgi.service.component.annotations.Modified;
import org.osgi.service.component.annotations.Reference;
/**
* @author Michael C. Han
*/
@Component(
configurationPid = "com.liferay.portal.security.audit.configuration.AuditConfiguration",
immediate = true, service = AuditMessagingConfigurator.class
)
public class AuditMessagingConfigurator {
@Activate
protected void activate(ComponentContext componentContext) {
_bundleContext = componentContext.getBundleContext();
Dictionary<String, Object> properties =
componentContext.getProperties();
AuditConfiguration auditConfiguration =
ConfigurableUtil.createConfigurable(
AuditConfiguration.class, properties);
DestinationConfiguration destinationConfiguration =
new DestinationConfiguration(
DestinationConfiguration.DESTINATION_TYPE_PARALLEL,
DestinationNames.AUDIT);
destinationConfiguration.setMaximumQueueSize(
auditConfiguration.auditMessageMaxQueueSize());
RejectedExecutionHandler rejectedExecutionHandler =
new CallerRunsPolicy() {
@Override
public void rejectedExecution(
Runnable runnable, ThreadPoolExecutor threadPoolExecutor) {
if (_log.isWarnEnabled()) {
_log.warn(
"The current thread will handle the request " +
"because the audit router's task queue is at " +
"its maximum capacity");
}
super.rejectedExecution(runnable, threadPoolExecutor);
}
};
destinationConfiguration.setRejectedExecutionHandler(
rejectedExecutionHandler);
Destination destination = _destinationFactory.createDestination(
destinationConfiguration);
Dictionary<String, Object> destinationProperties =
new HashMapDictionary<>();
destinationProperties.put("destination.name", destination.getName());
_destinationServiceRegistration = _bundleContext.registerService(
Destination.class, destination, destinationProperties);
destination.register(_proxyMessageListener);
}
@Deactivate
protected void deactivate() {
if (_destinationServiceRegistration != null) {
Destination destination = _bundleContext.getService(
_destinationServiceRegistration.getReference());
_destinationServiceRegistration.unregister();
destination.destroy();
}
_bundleContext = null;
}
@Modified
protected void modified(ComponentContext componentContext) {
deactivate();
activate(componentContext);
}
private static final Log _log = LogFactoryUtil.getLog(
AuditMessagingConfigurator.class);
private volatile BundleContext _bundleContext;
@Reference
private DestinationFactory _destinationFactory;
private volatile ServiceRegistration<Destination>
_destinationServiceRegistration;
@Reference(
service = ProxyMessageListener.class,
target = "(destination.name=" + DestinationNames.AUDIT + ")"
)
private ProxyMessageListener _proxyMessageListener;
}