/*
* JBoss, Home of Professional Open Source.
* Copyright 2014, Red Hat, Inc., and individual contributors
* as indicated by the @author tags. See the copyright.txt file in the
* distribution for a full listing of individual contributors.
*
* This 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 software 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.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this software; if not, write to the Free
* Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
* 02110-1301 USA, or see the FSF site: http://www.fsf.org.
*/
package org.wildfly.test.jmx;
import java.io.IOException;
import java.io.InputStream;
import java.util.Properties;
import java.util.logging.Level;
import java.util.logging.Logger;
import javax.management.NotificationListener;
import javax.management.ObjectInstance;
import javax.management.ObjectName;
import org.jboss.as.server.jmx.PluggableMBeanServer;
import org.jboss.msc.service.Service;
import org.jboss.msc.service.ServiceActivator;
import org.jboss.msc.service.ServiceActivatorContext;
import org.jboss.msc.service.ServiceName;
import org.jboss.msc.service.ServiceRegistryException;
import org.jboss.msc.service.StartContext;
import org.jboss.msc.service.StartException;
import org.jboss.msc.service.StopContext;
import org.jboss.msc.value.InjectedValue;
/**
* ServiceActivator that installs itself as a service and sets a set of system properties read from a
* "service-activator-deployment.properties" resource in the deployment. If no resource is available, sets a default
* property.
*
* @author Brian Stansberry (c) 2014 Red Hat Inc.
*/
public class ServiceActivatorDeployment implements ServiceActivator, Service<Void> {
public static final ServiceName MBEAN_SERVER_SERVICE_NAME = ServiceName.JBOSS.append("mbean", "server");
public static final ServiceName SERVICE_NAME = ServiceName.of("test", "deployment", "jmx");
public static final String PROPERTIES_RESOURCE = "service-activator-deployment.properties";
public static final String MBEAN_CLASS_NAME = "mbean.class.name";
public static final String MBEAN_OBJECT_NAME = "mbean.object.name";
public static final String LISTENER_OBJECT_NAME = "listener.object.name";
public static final String LISTENER_CLASS_NAME = "listener.class.name";
InjectedValue<PluggableMBeanServer> mbeanServerValue = new InjectedValue<PluggableMBeanServer>();
private ObjectName name = null;
private ObjectName targetName = null;
private NotificationListener listener = null;
@Override
public void activate(ServiceActivatorContext serviceActivatorContext) throws ServiceRegistryException {
serviceActivatorContext.getServiceTarget().addService(SERVICE_NAME, this)
.addDependency(MBEAN_SERVER_SERVICE_NAME, PluggableMBeanServer.class, mbeanServerValue).install();
}
@Override
public synchronized void start(StartContext context) throws StartException {
InputStream is = getClass().getResourceAsStream("/" + PROPERTIES_RESOURCE);
Properties properties = new Properties();
if (is != null) {
try {
System.out.println("Properties found");
properties.load(is);
} catch (IOException e) {
throw new StartException(e);
} finally {
try {
is.close();
} catch (IOException ignored) {
//
}
}
}
try {
if (properties.containsKey(MBEAN_OBJECT_NAME) && properties.containsKey(MBEAN_CLASS_NAME)) {
name = new ObjectName(properties.getProperty(MBEAN_OBJECT_NAME));
Class mbeanClass = Class.forName(properties.getProperty(MBEAN_CLASS_NAME));
registerMBean(mbeanClass.newInstance(), name);
}
if (properties.containsKey(LISTENER_OBJECT_NAME) && properties.containsKey(LISTENER_CLASS_NAME)) {
Class listenerClass = Class.forName(properties.getProperty(LISTENER_CLASS_NAME));
if (NotificationListener.class.isAssignableFrom(listenerClass)) {
targetName = new ObjectName(properties.getProperty(LISTENER_OBJECT_NAME));
listener = (NotificationListener) listenerClass.newInstance();
addNotificationListener(targetName, listener);
}
}
} catch (Exception e) {
throw new StartException(e);
}
}
@Override
public void stop(StopContext context) {
if(name != null) {
try {
unregisterMBean(name);
} catch (Exception ex) {
Logger.getLogger(ServiceActivatorDeployment.class.getName()).log(Level.SEVERE, null, ex);
}
}
if(targetName != null && listener != null) {
try {
removeNotificationListener(targetName, listener);
} catch (Exception ex) {
Logger.getLogger(ServiceActivatorDeployment.class.getName()).log(Level.SEVERE, null, ex);
}
}
}
@Override
public Void getValue() throws IllegalStateException, IllegalArgumentException {
return null;
}
private ObjectInstance registerMBean(Object mbean, ObjectName name) throws Exception {
return mbeanServerValue.getValue().registerMBean(mbean, name);
}
private void unregisterMBean(ObjectName name) throws Exception {
mbeanServerValue.getValue().unregisterMBean(name);
}
private void addNotificationListener(ObjectName name, NotificationListener listener) throws Exception {
mbeanServerValue.getValue().addNotificationListener(name, listener, null, null);
}
private void removeNotificationListener(ObjectName name, NotificationListener listener) throws Exception {
mbeanServerValue.getValue().removeNotificationListener(name, listener);
}
}