Spring Framework example source code file (MBeanExportBeanDefinitionParser.java)

This example Spring Framework source code file (MBeanExportBeanDefinitionParser.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

abstractbeandefinition, abstractbeandefinition, default_domain_attribute, dom, mbean_exporter_bean_name, mbean_exporter_bean_name, mbeanexportbeandefinitionparser, parsercontext, parsercontext, registration_attribute, registration_ignore_existing, registration_replace_existing, server_attribute, string, string

The Spring Framework MBeanExportBeanDefinitionParser.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.context.config;

import org.w3c.dom.Element;

import org.springframework.beans.factory.config.BeanDefinition;
import org.springframework.beans.factory.support.AbstractBeanDefinition;
import org.springframework.beans.factory.support.BeanDefinitionBuilder;
import org.springframework.beans.factory.xml.AbstractBeanDefinitionParser;
import org.springframework.beans.factory.xml.ParserContext;
import org.springframework.core.JdkVersion;
import org.springframework.jmx.support.MBeanRegistrationSupport;
import org.springframework.util.StringUtils;

/**
 * Parser for the <context:mbean-export/> element.
 *
 * <p>Registers an instance of
 * {@link org.springframework.jmx.export.annotation.AnnotationMBeanExporter}
 * within the context.
 *
 * @author Juergen Hoeller
 * @author Mark Fisher
 * @since 2.5
 * @see org.springframework.jmx.export.annotation.AnnotationMBeanExporter
 */
class MBeanExportBeanDefinitionParser extends AbstractBeanDefinitionParser {

	private static final String MBEAN_EXPORTER_BEAN_NAME = "mbeanExporter";

	private static final String DEFAULT_DOMAIN_ATTRIBUTE = "default-domain";

	private static final String SERVER_ATTRIBUTE = "server";

	private static final String REGISTRATION_ATTRIBUTE = "registration";

	private static final String REGISTRATION_IGNORE_EXISTING = "ignoreExisting";

	private static final String REGISTRATION_REPLACE_EXISTING = "replaceExisting";


	protected String resolveId(Element element, AbstractBeanDefinition definition, ParserContext parserContext) {
		return MBEAN_EXPORTER_BEAN_NAME;
	}

	protected AbstractBeanDefinition parseInternal(Element element, ParserContext parserContext) {
		String beanClassName = (JdkVersion.isAtLeastJava15() ?
				"org.springframework.jmx.export.annotation.AnnotationMBeanExporter" :
				"org.springframework.jmx.export.MBeanExporter");
		BeanDefinitionBuilder builder = BeanDefinitionBuilder.rootBeanDefinition(beanClassName);
		builder.setRole(BeanDefinition.ROLE_INFRASTRUCTURE);

		String defaultDomain = element.getAttribute(DEFAULT_DOMAIN_ATTRIBUTE);
		if (StringUtils.hasText(defaultDomain)) {
			builder.addPropertyValue("defaultDomain", defaultDomain);
		}

		String serverBeanName = element.getAttribute(SERVER_ATTRIBUTE);
		if (StringUtils.hasText(serverBeanName)) {
			builder.addPropertyReference("server", serverBeanName);
		}
		else {
			AbstractBeanDefinition specialServer = MBeanServerBeanDefinitionParser.findServerForSpecialEnvironment();
			if (specialServer != null) {
				builder.addPropertyValue("server", specialServer);
			}
		}

		String registration = element.getAttribute(REGISTRATION_ATTRIBUTE);
		int registrationBehavior = MBeanRegistrationSupport.REGISTRATION_FAIL_ON_EXISTING;
		if (REGISTRATION_IGNORE_EXISTING.equals(registration)) {
			registrationBehavior = MBeanRegistrationSupport.REGISTRATION_IGNORE_EXISTING;
		}
		else if (REGISTRATION_REPLACE_EXISTING.equals(registration)) {
			registrationBehavior = MBeanRegistrationSupport.REGISTRATION_REPLACE_EXISTING;
		}
		builder.addPropertyValue("registrationBehavior", new Integer(registrationBehavior));

		return builder.getBeanDefinition();
	}

}