Spring Framework example source code file (MBeanServerBeanDefinitionParser.java)

This example Spring Framework source code file (MBeanServerBeanDefinitionParser.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, abstractbeandefinitionparser, agent_id_attribute, dom, mbean_server_bean_name, mbeanserverbeandefinitionparser, parsercontext, parsercontext, rootbeandefinition, rootbeandefinition, string, string

The Spring Framework MBeanServerBeanDefinitionParser.java source code

package org.springframework.context.config;

import org.w3c.dom.Element;

import org.springframework.beans.factory.support.AbstractBeanDefinition;
import org.springframework.beans.factory.support.RootBeanDefinition;
import org.springframework.beans.factory.xml.AbstractBeanDefinitionParser;
import org.springframework.beans.factory.xml.ParserContext;
import org.springframework.jmx.support.MBeanServerFactoryBean;
import org.springframework.jmx.support.WebSphereMBeanServerFactoryBean;
import org.springframework.jndi.JndiObjectFactoryBean;
import org.springframework.util.ClassUtils;
import org.springframework.util.StringUtils;

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

	private static final String MBEAN_SERVER_BEAN_NAME = "mbeanServer";

	private static final String AGENT_ID_ATTRIBUTE = "agent-id";


	private static final boolean weblogicPresent =
			ClassUtils.isPresent("weblogic.management.Helper");

	private static final boolean webspherePresent =
			ClassUtils.isPresent("com.ibm.websphere.management.AdminServiceFactory");


	protected String resolveId(Element element, AbstractBeanDefinition definition, ParserContext parserContext) {
		String id = element.getAttribute(ID_ATTRIBUTE);
		return (StringUtils.hasText(id) ? id : MBEAN_SERVER_BEAN_NAME);
	}

	protected AbstractBeanDefinition parseInternal(Element element, ParserContext parserContext) {
		String agentId = element.getAttribute(AGENT_ID_ATTRIBUTE);
		if (StringUtils.hasText(agentId)) {
			RootBeanDefinition bd = new RootBeanDefinition(MBeanServerFactoryBean.class);
			bd.getPropertyValues().addPropertyValue("agentId", agentId);
			return bd;
		}
		AbstractBeanDefinition specialServer = findServerForSpecialEnvironment();
		if (specialServer != null) {
			return specialServer;
		}
		RootBeanDefinition bd = new RootBeanDefinition(MBeanServerFactoryBean.class);
		bd.getPropertyValues().addPropertyValue("locateExistingServerIfPossible", Boolean.TRUE);
		return bd;
	}

	static AbstractBeanDefinition findServerForSpecialEnvironment() {
		if (weblogicPresent) {
			RootBeanDefinition bd = new RootBeanDefinition(JndiObjectFactoryBean.class);
			bd.getPropertyValues().addPropertyValue("jndiName", "java:comp/env/jmx/runtime");
			return bd;
		}
		else if (webspherePresent) {
			return new RootBeanDefinition(WebSphereMBeanServerFactoryBean.class);
		}
		else {
			return null;
		}
	}

}