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Spring Framework example source code file (JBossWorkManagerUtils.java)

This example Spring Framework source code file (JBossWorkManagerUtils.java) is included in the DevDaily.com "Java Source Code Warehouse" project. The intent of this project is to help you "Learn Java by Example" TM.

Java - Spring Framework tags/keywords

class, initialcontext, jboss, jboss_work_manager_mbean_class_name, management, mbean_server_connection_jndi_name, mbeanserverconnection, mbeanserverconnection, naming, object, object, objectname, reflection, string, string, workmanager, workmanager

The Spring Framework JBossWorkManagerUtils.java source code

/*
 * Copyright 2002-2008 the original author or authors.
 *
 * 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.springframework.jca.work.jboss;

import java.lang.reflect.Method;

import javax.management.MBeanServerConnection;
import javax.management.MBeanServerInvocationHandler;
import javax.management.ObjectName;
import javax.naming.InitialContext;
import javax.resource.spi.work.WorkManager;

/**
 * Utility class for obtaining the JBoss JCA WorkManager,
 * typically for use in web applications.
 *
 * @author Juergen Hoeller
 * @since 2.5.2
 */
public abstract class JBossWorkManagerUtils {

	private static final String JBOSS_WORK_MANAGER_MBEAN_CLASS_NAME = "org.jboss.resource.work.JBossWorkManagerMBean";

	private static final String MBEAN_SERVER_CONNECTION_JNDI_NAME = "jmx/invoker/RMIAdaptor";

	private static final String WORK_MANAGER_OBJECT_NAME = "jboss.jca:service=WorkManager";


	/**
	 * Obtain the default JBoss JCA WorkManager through a JMX lookup
	 * for the JBossWorkManagerMBean.
	 * @see org.jboss.resource.work.JBossWorkManagerMBean
	 */
	public static WorkManager getWorkManager() {
		try {
			Class mbeanClass = JBossWorkManagerUtils.class.getClassLoader().loadClass(JBOSS_WORK_MANAGER_MBEAN_CLASS_NAME);
			InitialContext jndiContext = new InitialContext();
			MBeanServerConnection mconn = (MBeanServerConnection) jndiContext.lookup(MBEAN_SERVER_CONNECTION_JNDI_NAME);
			ObjectName objectName = ObjectName.getInstance(WORK_MANAGER_OBJECT_NAME);
			Object workManagerMBean = MBeanServerInvocationHandler.newProxyInstance(mconn, objectName, mbeanClass, false);
			Method getInstanceMethod = workManagerMBean.getClass().getMethod("getInstance", new Class[0]);
			return (WorkManager) getInstanceMethod.invoke(workManagerMBean, new Object[0]);
		}
		catch (Exception ex) {
			throw new IllegalStateException(
					"Could not initialize JBossWorkManagerTaskExecutor because JBoss API is not available: " + ex);
		}
	}

}

Other Spring Framework examples (source code examples)

Here is a short list of links related to this Spring Framework JBossWorkManagerUtils.java source code file:

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