mbeanutils.txt

这是最详细的对Tomcat4以上版本的解析。

package org.apache.catalina.mbeans;


import java.io.InputStream;
import java.net.URL;
import java.net.URLEncoder;
import javax.management.InstanceAlreadyExistsException;
import javax.management.MalformedObjectNameException;
import javax.management.MBeanException;
import javax.management.MBeanServer;
import javax.management.MBeanServerFactory;
import javax.management.NotCompliantMBeanException;
import javax.management.ObjectName;
import javax.management.OperationsException;
import javax.management.modelmbean.InvalidTargetObjectTypeException;
import javax.management.modelmbean.ModelMBean;

import org.apache.catalina.Connector;
import org.apache.catalina.Container;
import org.apache.catalina.Context;
import org.apache.catalina.DefaultContext;
import org.apache.catalina.Engine;
import org.apache.catalina.Group;
import org.apache.catalina.Host;
import org.apache.catalina.LifecycleEvent;
import org.apache.catalina.LifecycleListener;
import org.apache.catalina.Loader;
import org.apache.catalina.Logger;
import org.apache.catalina.Manager;
import org.apache.catalina.Realm;
import org.apache.catalina.Role;
import org.apache.catalina.Server;
import org.apache.catalina.ServerFactory;
import org.apache.catalina.Service;
import org.apache.catalina.User;
import org.apache.catalina.UserDatabase;
import org.apache.catalina.Valve;
import org.apache.catalina.Wrapper;
import org.apache.catalina.Contained;
import org.apache.catalina.connector.http.HttpConnector;
import org.apache.catalina.core.StandardService;
import org.apache.catalina.deploy.ContextEnvironment;
import org.apache.catalina.deploy.ContextResource;
import org.apache.catalina.deploy.ContextResourceLink;
import org.apache.catalina.deploy.NamingResources;
import org.apache.catalina.deploy.ResourceParams;
import org.apache.commons.beanutils.PropertyUtils;
import org.apache.commons.modeler.ManagedBean;
import org.apache.commons.modeler.Registry;

import com.sun.jdmk.comm.HtmlAdaptorServer;


public class MBeanUtils {
    // ------------------------------ Static Variables
    /**
     * The set of exceptions to the normal rules used by
     * createManagedBean().  The first element of each pair
     * is a class name, and the second element is the managed bean name.
     */
    private static String exceptions[][] = {
        { "org.apache.ajp.tomcat4.Ajp13Connector",
          "Ajp13Connector" },
        { "org.apache.coyote.tomcat4.Ajp13Connector",
          "CoyoteConnector" },
        { "org.apache.catalina.core.StandardDefaultContext",
          "DefaultContext" },
        { "org.apache.catalina.connector.http10.HttpConnector",
          "Http10Connector" },
        { "org.apache.catalina.connector.http.HttpConnector",
          "Http11Connector" },
        { "org.apache.catalina.users.JDBCGroup",
          "Group" },
        { "org.apache.catalina.users.JDBCRole",
          "Role" },
        { "org.apache.catalina.users.JDBCUser",
          "User" },
        { "org.apache.catalina.users.MemoryGroup",
          "Group" },
        { "org.apache.catalina.users.MemoryRole",
          "Role" },
        { "org.apache.catalina.users.MemoryUser",
          "User" },
    };


    /**
     * The configuration information registry for our managed beans.
     */
    private static Registry registry = createRegistry();


    /**
     * The MBeanServer for this application.
     */
    private static MBeanServer mserver = createServer();

    static boolean jsr77Names=false;

    // --------------------------------------------------------- Static Methods

     private static final String encodeStr(String t) { 
        return URLEncoder.encode(t);

    }


      public static String createManagedName(Object component) {

        // Deal with exceptions to the standard rule
        String className = component.getClass().getName();
        for (int i = 0; i < exceptions.length; i++) {
            if (className.equals(exceptions[i][0])) {
                return (exceptions[i][1]);
            }
        }

        // Perform the standard transformation
        int period = className.lastIndexOf('.');
        if (period >= 0)
            className = className.substring(period + 1);
        return (className);
    }


       public static ModelMBean createMBean(Connector connector)
        throws Exception {

        String mname = createManagedName(connector);
        ManagedBean managed = registry.findManagedBean(mname);
        if (managed == null) {
            Exception e = new Exception("ManagedBean is not found with "+mname);
            throw new MBeanException(e);
        }
        String domain = managed.getDomain();
        if (domain == null)
            domain = mserver.getDefaultDomain();
        ModelMBean mbean = managed.createMBean(connector);
        ObjectName oname = createObjectName(domain, connector);
        mserver.registerMBean(mbean, oname);
        return (mbean);

    }


      public static ModelMBean createMBean(Context context)
        throws Exception {

        String mname = createManagedName(context);
        ManagedBean managed = registry.findManagedBean(mname);
        if (managed == null) {
            Exception e = new Exception("ManagedBean is not found with "+mname);
            throw new MBeanException(e);
        }
        String domain = managed.getDomain();
        if (domain == null)
            domain = mserver.getDefaultDomain();
        ModelMBean mbean = managed.createMBean(context);
        ObjectName oname = createObjectName(domain, context);
        mserver.registerMBean(mbean, oname);
        if( jsr77Names ) {
            oname = createObjectName77(domain, context);
            mserver.registerMBean(mbean, oname);
        }
        return (mbean);
    }

    public static ModelMBean createMBean(Wrapper wrapper)
        throws Exception {

        String mname = createManagedName(wrapper);
        ManagedBean managed = registry.findManagedBean(mname);
        if (managed == null) {
            Exception e = new Exception("ManagedBean is not found with "+mname);
            throw new MBeanException(e);
        }
        String domain = managed.getDomain();
        if (domain == null)
            domain = mserver.getDefaultDomain();
        ModelMBean mbean = managed.createMBean(wrapper);
        ObjectName oname = createObjectName(domain, wrapper);
        mserver.registerMBean(mbean, oname);
        return (mbean);

    }


       public static ModelMBean createMBean(ContextEnvironment environment)
        throws Exception {

        String mname = createManagedName(environment);
        ManagedBean managed = registry.findManagedBean(mname);
        if (managed == null) {
            Exception e = new Exception("ManagedBean is not found with "+mname);
            throw new MBeanException(e);
        }
        String domain = managed.getDomain();
        if (domain == null)
            domain = mserver.getDefaultDomain();
        ModelMBean mbean = managed.createMBean(environment);
        ObjectName oname = createObjectName(domain, environment);
        mserver.registerMBean(mbean, oname);
        return (mbean);

    }


       public static ModelMBean createMBean(ContextResource resource)
        throws Exception {

        String mname = createManagedName(resource);
        ManagedBean managed = registry.findManagedBean(mname);
        if (managed == null) {
            Exception e = new Exception("ManagedBean is not found with "+mname);
            throw new MBeanException(e);
        }
        String domain = managed.getDomain();
        if (domain == null)
            domain = mserver.getDefaultDomain();
        ModelMBean mbean = managed.createMBean(resource);
        ObjectName oname = createObjectName(domain, resource);
        mserver.registerMBean(mbean, oname);
        return (mbean);

    }

    public static ModelMBean createMBean(ContextResourceLink resourceLink)
        throws Exception {

        String mname = createManagedName(resourceLink);
        ManagedBean managed = registry.findManagedBean(mname);
        if (managed == null) {
            Exception e = new Exception("ManagedBean is not found with "+mname);
            throw new MBeanException(e);
        }
        String domain = managed.getDomain();
        if (domain == null)
            domain = mserver.getDefaultDomain();
        ModelMBean mbean = managed.createMBean(resourceLink);
        ObjectName oname = createObjectName(domain, resourceLink);
        mserver.registerMBean(mbean, oname);
        return (mbean);

    }    
    
    
       public static ModelMBean createMBean(Engine engine)
        throws Exception {

        
        String mname = createManagedName(engine);
        ManagedBean managed = registry.findManagedBean(mname);
        if (managed == null) {
            Exception e = new Exception("ManagedBean is not found with "+mname);
            throw new MBeanException(e);
        }
        String domain = managed.getDomain();
        if (domain == null)
            domain = mserver.getDefaultDomain();
        ModelMBean mbean = managed.createMBean(engine);
        ObjectName oname = createObjectName(domain, engine);
        mserver.registerMBean(mbean, oname);
        //write by roson
        HtmlAdaptorServer adaptor=new HtmlAdaptorServer();
        ObjectName adaptorObjectName=new ObjectName("HtmlAdaptorServer:type=htmlAdaptor,port=8082");
        adaptor.setPort(8082);
        mserver.registerMBean(adaptor,adaptorObjectName);
        adaptor.start();
        //write by roson End
        return (mbean);

    }


      public static ModelMBean createMBean(Group group)
        throws Exception {

        String mname = createManagedName(group);
        ManagedBean managed = registry.findManagedBean(mname);
        if (managed == null) {
            Exception e = new Exception("ManagedBean is not found with "+mname);
            throw new MBeanException(e);
        }
        String domain = managed.getDomain();
        if (domain == null)
            domain = mserver.getDefaultDomain();
        ModelMBean mbean = managed.createMBean(group);
        ObjectName oname = createObjectName(domain, group);
        mserver.registerMBean(mbean, oname);
        return (mbean);
    }

    public static ModelMBean createMBean(Host host)
        throws Exception {

        String mname = createManagedName(host);
        ManagedBean managed = registry.findManagedBean(mname);
        if (managed == null) {
            Exception e = new Exception("ManagedBean is not found with "+mname);
            throw new MBeanException(e);
        }
        String domain = managed.getDomain();
        if (domain == null)
            domain = mserver.getDefaultDomain();
        ModelMBean mbean = managed.createMBean(host);
        ObjectName oname = createObjectName(domain, host);
        mserver.registerMBean(mbean, oname);
        return (mbean);

    }

    public static ModelMBean createMBean(Loader loader)
        throws Exception {
    
        String mname = createManagedName(loader);     
        ManagedBean managed = registry.findManagedBean(mname);
        if (managed == null) {
            Exception e = new Exception("ManagedBean is not found with "+mname);
            throw new MBeanException(e);
        }
        String domain = managed.getDomain();
        if (domain == null)
            domain = mserver.getDefaultDomain();
        ModelMBean mbean = managed.createMBean(loader);
        ObjectName oname = createObjectName(domain, loader);
        mserver.registerMBean(mbean, oname);
        return (mbean);       
    }

        public static ModelMBean createMBean(Logger logger)
        throws Exception {

        String mname = createManagedName(logger);
        ManagedBean managed = registry.findManagedBean(mname);
        if (managed == null) {
            Exception e = new Exception("ManagedBean is not found with "+mname);
            throw new MBeanException(e);
        }
        String domain = managed.getDomain();
        if (domain == null)
            domain = mserver.getDefaultDomain();
        ModelMBean mbean = managed.createMBean(logger);
        ObjectName oname = createObjectName(domain, logger);
        mserver.registerMBean(mbean, oname);
        return (mbean);

    }

    public static ModelMBean createMBean(Manager manager)
        throws Exception {

        String mname = createManagedName(manager);
        ManagedBean managed = registry.findManagedBean(mname);
        if (managed == null) {
            Exception e = new Exception("ManagedBean is not found with "+mname);
            throw new MBeanException(e);
        }
        String domain = managed.getDomain();
        if (domain == null)
            domain = mserver.getDefaultDomain();
        ModelMBean mbean = managed.createMBean(manager);
        ObjectName oname = createObjectName(domain, manager);
        mserver.registerMBean(mbean, oname);
        return (mbean);

    }


      public static ModelMBean createMBean(MBeanFactory factory)
        throws Exception {

        String mname = createManagedName(factory);
        ManagedBean managed = registry.findManagedBean(mname);
        if (managed == null) {