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Spring Framework example source code file (NotificationListenerBean.java)

This example Spring Framework source code file (NotificationListenerBean.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

illegalargumentexception, initializingbean, initializingbean, management, notificationlistenerbean, notificationlistenerbean, notificationlistenerholder, notificationlistenerholder, object, object, property

The Spring Framework NotificationListenerBean.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.jmx.export;

import javax.management.NotificationListener;

import org.springframework.beans.factory.InitializingBean;
import org.springframework.jmx.support.NotificationListenerHolder;

/**
 * Helper class that aggregates a {@link javax.management.NotificationListener},
 * a {@link javax.management.NotificationFilter}, and an arbitrary handback
 * object.
 *
 * <p>Also provides support for associating the encapsulated
 * {@link javax.management.NotificationListener} with any number of
 * MBeans from which it wishes to receive
 * {@link javax.management.Notification Notifications} via the
 * {@link #setMappedObjectNames mappedObjectNames} property.
 *
 * <p>Note: This class supports Spring bean names as
 * {@link #setMappedObjectNames "mappedObjectNames"} as well, as alternative
 * to specifying JMX object names. Note that only beans exported by the
 * same {@link MBeanExporter} are supported for such bean names.
 *
 * @author Rob Harrop
 * @author Juergen Hoeller
 * @since 2.0
 * @see MBeanExporter#setNotificationListeners
 */
public class NotificationListenerBean extends NotificationListenerHolder implements InitializingBean {

	/**
	 * Create a new instance of the {@link NotificationListenerBean} class.
	 */
	public NotificationListenerBean() {
	}

	/**
	 * Create a new instance of the {@link NotificationListenerBean} class.
	 * @param notificationListener the encapsulated listener
	 */
	public NotificationListenerBean(NotificationListener notificationListener) {
		setNotificationListener(notificationListener);
	}


	public void afterPropertiesSet() {
		if (getNotificationListener() == null) {
			throw new IllegalArgumentException("Property 'notificationListener' is required");
		}
	}

	void replaceObjectName(Object originalName, Object newName) {
		if (this.mappedObjectNames != null && this.mappedObjectNames.contains(originalName)) {
			this.mappedObjectNames.remove(originalName);
			this.mappedObjectNames.add(newName);
		}
	}

}

Other Spring Framework examples (source code examples)

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