Spring Framework example source code file (AbstractConfigurableMBeanInfoAssembler.java)

This example Spring Framework source code file (AbstractConfigurableMBeanInfoAssembler.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

abstractconfigurablembeaninfoassembler, collection, collection, illegalargumentexception, iterator, managednotification, managednotification, managednotifications, map, map, modelmbeannotificationinfo, modelmbeannotificationinfo, property, string, util

The Spring Framework AbstractConfigurableMBeanInfoAssembler.java source code

/*
 * Copyright 2002-2005 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.assembler;

import java.util.ArrayList;
import java.util.Collection;
import java.util.HashMap;
import java.util.Iterator;
import java.util.List;
import java.util.Map;

import javax.management.modelmbean.ModelMBeanNotificationInfo;

import org.springframework.jmx.export.metadata.JmxMetadataUtils;
import org.springframework.jmx.export.metadata.ManagedNotification;
import org.springframework.util.StringUtils;

/**
 * Base class for MBeanInfoAssemblers that support configurable
 * JMX notification behavior.
 *
 * @author Rob Harrop
 * @author Juergen Hoeller
 * @since 2.0
 */
public abstract class AbstractConfigurableMBeanInfoAssembler extends AbstractReflectiveMBeanInfoAssembler {

	private ModelMBeanNotificationInfo[] notificationInfos;

	private final Map notificationInfoMappings = new HashMap();


	public void setNotificationInfos(ManagedNotification[] notificationInfos) {
		ModelMBeanNotificationInfo[] infos = new ModelMBeanNotificationInfo[notificationInfos.length];
		for (int i = 0; i < notificationInfos.length; i++) {
			ManagedNotification notificationInfo = notificationInfos[i];
			infos[i] = JmxMetadataUtils.convertToModelMBeanNotificationInfo(notificationInfo);
		}
		this.notificationInfos = infos;
	}

	public void setNotificationInfoMappings(Map notificationInfoMappings) {
		Iterator entries = notificationInfoMappings.entrySet().iterator();
		while (entries.hasNext()) {
			Map.Entry entry = (Map.Entry) entries.next();
			if (!(entry.getKey() instanceof String)) {
				throw new IllegalArgumentException("Property [notificationInfoMappings] only accepts Strings for Map keys");
			}
			this.notificationInfoMappings.put(entry.getKey(), extractNotificationMetadata(entry.getValue()));
		}
	}


	protected ModelMBeanNotificationInfo[] getNotificationInfo(Object managedBean, String beanKey) {
		ModelMBeanNotificationInfo[] result = null;

		if (StringUtils.hasText(beanKey)) {
			result = (ModelMBeanNotificationInfo[]) this.notificationInfoMappings.get(beanKey);
		}

		if (result == null) {
			result = this.notificationInfos;
		}

		return (result == null) ? new ModelMBeanNotificationInfo[0] : result;
	}

	private ModelMBeanNotificationInfo[] extractNotificationMetadata(Object mapValue) {
		if (mapValue instanceof ManagedNotification) {
			ManagedNotification mn = (ManagedNotification) mapValue;
			return new ModelMBeanNotificationInfo[] {JmxMetadataUtils.convertToModelMBeanNotificationInfo(mn)};
		}
		else if (mapValue instanceof Collection) {
			Collection col = (Collection) mapValue;
			List result = new ArrayList();
			for (Iterator iterator = col.iterator(); iterator.hasNext();) {
				Object colValue = iterator.next();
				if (!(colValue instanceof ManagedNotification)) {
					throw new IllegalArgumentException(
							"Property 'notificationInfoMappings' only accepts ManagedNotifications for Map values");
				}
				ManagedNotification mn = (ManagedNotification) colValue;
				result.add(JmxMetadataUtils.convertToModelMBeanNotificationInfo(mn));
			}
			return (ModelMBeanNotificationInfo[]) result.toArray(new ModelMBeanNotificationInfo[result.size()]);
		}
		else {
			throw new IllegalArgumentException(
					"Property 'notificationInfoMappings' only accepts ManagedNotifications for Map values");
		}
	}

}