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/*
 * Copyright 2002-2015 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.context.annotation;

import java.util.Map;
import javax.management.MBeanServer;
import javax.naming.NamingException;

import org.springframework.beans.factory.BeanFactory;
import org.springframework.beans.factory.BeanFactoryAware;
import org.springframework.beans.factory.config.BeanDefinition;
import org.springframework.context.EnvironmentAware;
import org.springframework.core.annotation.AnnotationAttributes;
import org.springframework.core.env.Environment;
import org.springframework.core.type.AnnotationMetadata;
import org.springframework.jmx.MBeanServerNotFoundException;
import org.springframework.jmx.export.annotation.AnnotationMBeanExporter;
import org.springframework.jmx.support.RegistrationPolicy;
import org.springframework.jmx.support.WebSphereMBeanServerFactoryBean;
import org.springframework.jndi.JndiLocatorDelegate;
import org.springframework.util.ClassUtils;
import org.springframework.util.StringUtils;

/**
 * {@code @Configuration} class that registers a {@link AnnotationMBeanExporter} bean.
 *
 * 

This configuration class is automatically imported when using the * {@link EnableMBeanExport} annotation. See its javadoc for complete usage details. * * @author Phillip Webb * @author Chris Beams * @since 3.2 * @see EnableMBeanExport */ @Configuration public class MBeanExportConfiguration implements ImportAware, EnvironmentAware, BeanFactoryAware { private static final String MBEAN_EXPORTER_BEAN_NAME = "mbeanExporter"; private AnnotationAttributes enableMBeanExport; private Environment environment; private BeanFactory beanFactory; @Override public void setImportMetadata(AnnotationMetadata importMetadata) { Map map = importMetadata.getAnnotationAttributes(EnableMBeanExport.class.getName()); this.enableMBeanExport = AnnotationAttributes.fromMap(map); if (this.enableMBeanExport == null) { throw new IllegalArgumentException( "@EnableMBeanExport is not present on importing class " + importMetadata.getClassName()); } } @Override public void setEnvironment(Environment environment) { this.environment = environment; } @Override public void setBeanFactory(BeanFactory beanFactory) { this.beanFactory = beanFactory; } @Bean(name = MBEAN_EXPORTER_BEAN_NAME) @Role(BeanDefinition.ROLE_INFRASTRUCTURE) public AnnotationMBeanExporter mbeanExporter() { AnnotationMBeanExporter exporter = new AnnotationMBeanExporter(); setupDomain(exporter); setupServer(exporter); setupRegistrationPolicy(exporter); return exporter; } private void setupDomain(AnnotationMBeanExporter exporter) { String defaultDomain = this.enableMBeanExport.getString("defaultDomain"); if (defaultDomain != null && this.environment != null) { defaultDomain = this.environment.resolvePlaceholders(defaultDomain); } if (StringUtils.hasText(defaultDomain)) { exporter.setDefaultDomain(defaultDomain); } } private void setupServer(AnnotationMBeanExporter exporter) { String server = this.enableMBeanExport.getString("server"); if (server != null && this.environment != null) { server = this.environment.resolvePlaceholders(server); } if (StringUtils.hasText(server)) { exporter.setServer(this.beanFactory.getBean(server, MBeanServer.class)); } else { SpecificPlatform specificPlatform = SpecificPlatform.get(); if (specificPlatform != null) { exporter.setServer(specificPlatform.getMBeanServer()); } } } private void setupRegistrationPolicy(AnnotationMBeanExporter exporter) { RegistrationPolicy registrationPolicy = this.enableMBeanExport.getEnum("registration"); exporter.setRegistrationPolicy(registrationPolicy); } public static enum SpecificPlatform { WEBLOGIC("weblogic.management.Helper") { @Override public MBeanServer getMBeanServer() { try { return new JndiLocatorDelegate().lookup("java:comp/env/jmx/runtime", MBeanServer.class); } catch (NamingException ex) { throw new MBeanServerNotFoundException("Failed to retrieve WebLogic MBeanServer from JNDI", ex); } } }, WEBSPHERE("com.ibm.websphere.management.AdminServiceFactory") { @Override public MBeanServer getMBeanServer() { WebSphereMBeanServerFactoryBean fb = new WebSphereMBeanServerFactoryBean(); fb.afterPropertiesSet(); return fb.getObject(); } }; private final String identifyingClass; private SpecificPlatform(String identifyingClass) { this.identifyingClass = identifyingClass; } public abstract MBeanServer getMBeanServer(); public static SpecificPlatform get() { ClassLoader classLoader = MBeanExportConfiguration.class.getClassLoader(); for (SpecificPlatform environment : values()) { if (ClassUtils.isPresent(environment.identifyingClass, classLoader)) { return environment; } } return null; } } }





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