catalina.mbeans.MBeanUtils.java Source code

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/*
 * $Header: /home/cvs/jakarta-tomcat-4.0/catalina/src/share/org/apache/catalina/mbeans/MBeanUtils.java,v 1.44 2002/09/19 22:55:48 amyroh Exp $
 * $Revision: 1.44 $
 * $Date: 2002/09/19 22:55:48 $
 *
 * ====================================================================
 *
 * The Apache Software License, Version 1.1
 *
 * Copyright (c) 1999 The Apache Software Foundation.  All rights
 * reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 *
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 *
 * 2. Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in
 *    the documentation and/or other materials provided with the
 *    distribution.
 *
 * 3. The end-user documentation included with the redistribution, if
 *    any, must include the following acknowlegement:
 *       "This product includes software developed by the
 *        Apache Software Foundation (http://www.apache.org/)."
 *    Alternately, this acknowlegement may appear in the software itself,
 *    if and wherever such third-party acknowlegements normally appear.
 *
 * 4. The names "The Jakarta Project", "Tomcat", and "Apache Software
 *    Foundation" must not be used to endorse or promote products derived
 *    from this software without prior written permission. For written
 *    permission, please contact apache@apache.org.
 *
 * 5. Products derived from this software may not be called "Apache"
 *    nor may "Apache" appear in their names without prior written
 *    permission of the Apache Group.
 *
 * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED
 * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
 * DISCLAIMED.  IN NO EVENT SHALL THE APACHE SOFTWARE FOUNDATION OR
 * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
 * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
 * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
 * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
 * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
 * SUCH DAMAGE.
 * ====================================================================
 *
 * This software consists of voluntary contributions made by many
 * individuals on behalf of the Apache Software Foundation.  For more
 * information on the Apache Software Foundation, please see
 * <http://www.apache.org/>.
 *
 * [Additional notices, if required by prior licensing conditions]
 *
 */

package catalina.mbeans;

import java.io.InputStream;
import java.net.URL;
import java.net.URLEncoder;
import javax.management.MalformedObjectNameException;
import javax.management.MBeanException;
import javax.management.MBeanServer;
import javax.management.ObjectName;
import javax.management.modelmbean.ModelMBean;
import org.apache.catalina.Connector;
import org.apache.catalina.Contained;
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.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.Service;
import org.apache.catalina.User;
import org.apache.catalina.UserDatabase;
import org.apache.catalina.Valve;
import org.apache.catalina.connector.http.HttpConnector;
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.valves.ValveBase;
import org.apache.commons.beanutils.PropertyUtils;
import org.apache.commons.modeler.ManagedBean;
import org.apache.commons.modeler.Registry;

/**
 * Public utility methods in support of the server side MBeans implementation.
 *
 * @author Craig R. McClanahan
 * @author Amy Roh
 * @version $Revision: 1.44 $ $Date: 2002/09/19 22:55:48 $
 */

public class MBeanUtils {

    // ------------------------------------------------------- Static Variables

    /**
     * The set of exceptions to the normal rules used by
     * <code>createManagedBean()</code>.  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 <code>MBeanServer</code> for this application.
     */
    private static MBeanServer mserver = createServer();

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

    /**
     * Translates a string into x-www-form-urlencoded format
     *
     * @param t string to be encoded
     * @return encoded string
     */
    private static final String encodeStr(String t) {

        return URLEncoder.encode(t);

    }

    /**
     * Create and return the name of the <code>ManagedBean</code> that
     * corresponds to this Catalina component.
     *
     * @param component The component for which to create a name
     */
    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);

    }

    /**
     * Create, register, and return an MBean for this
     * <code>Connector</code> object.
     *
     * @param connector The Connector to be managed
     *
     * @exception Exception if an MBean cannot be created or registered
     */
    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);

    }

    /**
     * Create, register, and return an MBean for this
     * <code>Context</code> object.
     *
     * @param context The Context to be managed
     *
     * @exception Exception if an MBean cannot be created or registered
     */
    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);
        return (mbean);

    }

    /**
     * Create, register, and return an MBean for this
     * <code>ContextEnvironment</code> object.
     *
     * @param environment The ContextEnvironment to be managed
     *
     * @exception Exception if an MBean cannot be created or registered
     */
    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);

    }

    /**
     * Create, register, and return an MBean for this
     * <code>ContextResource</code> object.
     *
     * @param resource The ContextResource to be managed
     *
     * @exception Exception if an MBean cannot be created or registered
     */
    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);

    }

    /**
     * Create, register, and return an MBean for this
     * <code>ContextResourceLink</code> object.
     *
     * @param resourceLink The ContextResourceLink to be managed
     *
     * @exception Exception if an MBean cannot be created or registered
     */
    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);

    }

    /**
     * Create, register, and return an MBean for this
     * <code>DefaultContext</code> object.
     *
     * @param context The DefaultContext to be managed
     *
     * @exception Exception if an MBean cannot be created or registered
     */
    public static ModelMBean createMBean(DefaultContext 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);
        return (mbean);

    }

    /**
     * Create, register, and return an MBean for this
     * <code>Engine</code> object.
     *
     * @param engine The Engine to be managed
     *
     * @exception Exception if an MBean cannot be created or registered
     */
    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);
        return (mbean);

    }

    /**
     * Create, register, and return an MBean for this
     * <code>Group</code> object.
     *
     * @param group The Group to be managed
     *
     * @exception Exception if an MBean cannot be created or registered
     */
    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);

    }

    /**
     * Create, register, and return an MBean for this
     * <code>Host</code> object.
     *
     * @param host The Host to be managed
     *
     * @exception Exception if an MBean cannot be created or registered
     */
    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);

    }

    /**
     * Create, register, and return an MBean for this
     * <code>Loader</code> object.
     *
     * @param loader The Loader to be managed
     *
     * @exception Exception if an MBean cannot be created or registered
     */
    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);
    }

    /**
     * Create, register, and return an MBean for this
     * <code>Logger</code> object.
     *
     * @param logger The Logger to be managed
     *
     * @exception Exception if an MBean cannot be created or registered
     */
    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);

    }

    /**
     * Create, register, and return an MBean for this
     * <code>Manager</code> object.
     *
     * @param manager The Manager to be managed
     *
     * @exception Exception if an MBean cannot be created or registered
     */
    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);

    }

    /**
     * Create, register, and return an MBean for this
     * <code>MBeanFactory</code> object.
     *
     * @param factory The MBeanFactory to be managed
     *
     * @exception Exception if an MBean cannot be created or registered
     */
    public static ModelMBean createMBean(MBeanFactory factory) throws Exception {

        String mname = createManagedName(factory);
        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(factory);
        ObjectName oname = createObjectName(domain, factory);
        mserver.registerMBean(mbean, oname);
        return (mbean);

    }

    /**
     * Create, register, and return an MBean for this
     * <code>NamingResources</code> object.
     *
     * @param resource The NamingResources to be managed
     *
     * @exception Exception if an MBean cannot be created or registered
     */
    public static ModelMBean createMBean(NamingResources 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);

    }

    /**
     * Create, register, and return an MBean for this
     * <code>Realm</code> object.
     *
     * @param realm The Realm to be managed
     *
     * @exception Exception if an MBean cannot be created or registered
     */
    public static ModelMBean createMBean(Realm realm) throws Exception {

        String mname = createManagedName(realm);
        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(realm);
        ObjectName oname = createObjectName(domain, realm);
        mserver.registerMBean(mbean, oname);
        return (mbean);

    }

    /**
     * Create, register, and return an MBean for this
     * <code>Role</code> object.
     *
     * @param role The Role to be managed
     *
     * @exception Exception if an MBean cannot be created or registered
     */
    public static ModelMBean createMBean(Role role) throws Exception {

        String mname = createManagedName(role);
        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(role);
        ObjectName oname = createObjectName(domain, role);
        mserver.registerMBean(mbean, oname);
        return (mbean);

    }

    /**
     * Create, register, and return an MBean for this
     * <code>Server</code> object.
     *
     * @param server The Server to be managed
     *
     * @exception Exception if an MBean cannot be created or registered
     */
    public static ModelMBean createMBean(Server server) throws Exception {

        String mname = createManagedName(server);
        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(server);
        ObjectName oname = createObjectName(domain, server);
        mserver.registerMBean(mbean, oname);
        return (mbean);

    }

    /**
     * Create, register, and return an MBean for this
     * <code>Service</code> object.
     *
     * @param service The Service to be managed
     *
     * @exception Exception if an MBean cannot be created or registered
     */
    public static ModelMBean createMBean(Service service) throws Exception {

        String mname = createManagedName(service);
        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(service);
        ObjectName oname = createObjectName(domain, service);
        mserver.registerMBean(mbean, oname);
        return (mbean);

    }

    /**
     * Create, register, and return an MBean for this
     * <code>User</code> object.
     *
     * @param user The User to be managed
     *
     * @exception Exception if an MBean cannot be created or registered
     */
    public static ModelMBean createMBean(User user) throws Exception {

        String mname = createManagedName(user);
        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(user);
        ObjectName oname = createObjectName(domain, user);
        mserver.registerMBean(mbean, oname);
        return (mbean);

    }

    /**
     * Create, register, and return an MBean for this
     * <code>UserDatabase</code> object.
     *
     * @param userDatabase The UserDatabase to be managed
     *
     * @exception Exception if an MBean cannot be created or registered
     */
    public static ModelMBean createMBean(UserDatabase userDatabase) throws Exception {

        String mname = createManagedName(userDatabase);
        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(userDatabase);
        ObjectName oname = createObjectName(domain, userDatabase);
        mserver.registerMBean(mbean, oname);
        return (mbean);

    }

    /**
     * Create, register, and return an MBean for this
     * <code>Valve</code> object.
     *
     * @param valve The Valve to be managed
     *
     * @exception Exception if an MBean cannot be created or registered
     */
    public static ModelMBean createMBean(Valve valve) throws Exception {

        String mname = createManagedName(valve);
        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(valve);
        ObjectName oname = createObjectName(domain, valve);
        mserver.registerMBean(mbean, oname);
        return (mbean);

    }

    /**
     * Create an <code>ObjectName</code> for this
     * <code>Connector</code> object.
     *
     * @param domain Domain in which this name is to be created
     * @param connector The Connector to be named
     *
     * @exception MalformedObjectNameException if a name cannot be created
     */
    public static ObjectName createObjectName(String domain, Connector connector)
            throws MalformedObjectNameException {

        ObjectName name = null;
        if (connector instanceof HttpConnector) {
            HttpConnector httpConnector = (HttpConnector) connector;
            Service service = httpConnector.getService();
            String serviceName = null;
            if (service != null)
                serviceName = service.getName();
            name = new ObjectName(domain + ":type=Connector" + ",service=" + serviceName + ",port="
                    + httpConnector.getPort() + ",address=" + httpConnector.getAddress());
            return (name);
        } else if (connector instanceof org.apache.catalina.connector.http10.HttpConnector) {
            org.apache.catalina.connector.http10.HttpConnector httpConnector = (org.apache.catalina.connector.http10.HttpConnector) connector;
            Service service = httpConnector.getService();
            String serviceName = null;
            if (service != null)
                serviceName = service.getName();
            name = new ObjectName(domain + ":type=Connector" + ",service=" + serviceName + ",port="
                    + httpConnector.getPort() + ",address=" + httpConnector.getAddress());
            return (name);
        } else if ("org.apache.ajp.tomcat4.Ajp13Connector".equals(connector.getClass().getName())) {
            try {
                String address = (String) PropertyUtils.getSimpleProperty(connector, "address");
                Integer port = (Integer) PropertyUtils.getSimpleProperty(connector, "port");
                Service service = connector.getService();
                String serviceName = null;
                if (service != null)
                    serviceName = service.getName();
                name = new ObjectName(domain + ":type=Connector" + ",service=" + serviceName + ",port=" + port
                        + ",address=" + address);
                return (name);
            } catch (Exception e) {
                throw new MalformedObjectNameException("Cannot create object name for " + connector + e);
            }
        } else if ("org.apache.coyote.tomcat4.CoyoteConnector".equals(connector.getClass().getName())) {
            try {
                String address = (String) PropertyUtils.getSimpleProperty(connector, "address");
                Integer port = (Integer) PropertyUtils.getSimpleProperty(connector, "port");
                Service service = connector.getService();
                String serviceName = null;
                if (service != null)
                    serviceName = service.getName();
                name = new ObjectName(domain + ":type=Connector" + ",service=" + serviceName + ",port=" + port
                        + ",address=" + address);
                return (name);
            } catch (Exception e) {
                throw new MalformedObjectNameException("Cannot create object name for " + connector + e);
            }
        } else {
            throw new MalformedObjectNameException("Cannot create object name for " + connector);
        }

    }

    /**
     * Create an <code>ObjectName</code> for this
     * <code>Context</code> object.
     *
     * @param domain Domain in which this name is to be created
     * @param context The Context to be named
     *
     * @exception MalformedObjectNameException if a name cannot be created
     */
    public static ObjectName createObjectName(String domain, Context context) throws MalformedObjectNameException {

        ObjectName name = null;
        Host host = (Host) context.getParent();
        Service service = ((Engine) host.getParent()).getService();
        String path = context.getPath();
        if (path.length() < 1)
            path = "/";
        name = new ObjectName(domain + ":type=Context,path=" + path + ",host=" + host.getName() + ",service="
                + service.getName());
        return (name);

    }

    /**
     * Create an <code>ObjectName</code> for this
     * <code>Service</code> object.
     *
     * @param domain Domain in which this name is to be created
     * @param context The ContextEnvironment to be named
     *
     * @exception MalformedObjectNameException if a name cannot be created
     */
    public static ObjectName createObjectName(String domain, ContextEnvironment environment)
            throws MalformedObjectNameException {

        ObjectName name = null;
        Object container = environment.getNamingResources().getContainer();
        if (container instanceof Server) {
            name = new ObjectName(
                    domain + ":type=Environment" + ",resourcetype=Global,name=" + environment.getName());
        } else if (container instanceof Context) {
            String path = ((Context) container).getPath();
            if (path.length() < 1)
                path = "/";
            Host host = (Host) ((Context) container).getParent();
            Engine engine = (Engine) host.getParent();
            Service service = engine.getService();
            name = new ObjectName(domain + ":type=Environment" + ",resourcetype=Context,path=" + path + ",host="
                    + host.getName() + ",service=" + service.getName() + ",name=" + environment.getName());
        } else if (container instanceof DefaultContext) {
            container = ((DefaultContext) container).getParent();
            if (container instanceof Host) {
                Host host = (Host) container;
                Service service = ((Engine) host.getParent()).getService();
                name = new ObjectName(domain + ":type=Environment" + ",resourcetype=HostDefaultContext,host="
                        + host.getName() + ",service=" + service.getName() + ",name=" + environment.getName());
            } else if (container instanceof Engine) {
                Engine engine = (Engine) container;
                Service service = engine.getService();
                name = new ObjectName(domain + ":type=Environment" + ",resourcetype=ServiceDefaultContext,service="
                        + service.getName() + ",name=" + environment.getName());
            }
        }

        return (name);

    }

    /**
     * Create an <code>ObjectName</code> for this
     * <code>ContextResource</code> object.
     *
     * @param domain Domain in which this name is to be created
     * @param resource The ContextResource to be named
     *
     * @exception MalformedObjectNameException if a name cannot be created
     */
    public static ObjectName createObjectName(String domain, ContextResource resource)
            throws MalformedObjectNameException {

        ObjectName name = null;
        String encodedResourceName = encodeStr(resource.getName());
        Object container = resource.getNamingResources().getContainer();
        if (container instanceof Server) {
            name = new ObjectName(domain + ":type=Resource" + ",resourcetype=Global,class=" + resource.getType()
                    + ",name=" + encodedResourceName);
        } else if (container instanceof Context) {
            String path = ((Context) container).getPath();
            if (path.length() < 1)
                path = "/";
            Host host = (Host) ((Context) container).getParent();
            Engine engine = (Engine) host.getParent();
            Service service = engine.getService();
            name = new ObjectName(domain + ":type=Resource" + ",resourcetype=Context,path=" + path + ",host="
                    + host.getName() + ",service=" + service.getName() + ",class=" + resource.getType() + ",name="
                    + encodedResourceName);
        } else if (container instanceof DefaultContext) {
            container = ((DefaultContext) container).getParent();
            if (container instanceof Host) {
                Host host = (Host) container;
                Service service = ((Engine) host.getParent()).getService();
                name = new ObjectName(domain + ":type=Resource" + ",resourcetype=HostDefaultContext,host="
                        + host.getName() + ",service=" + service.getName() + ",class=" + resource.getType()
                        + ",name=" + encodedResourceName);
            } else if (container instanceof Engine) {
                Engine engine = (Engine) container;
                Service service = engine.getService();
                name = new ObjectName(domain + ":type=Resource" + ",resourcetype=ServiceDefaultContext,service="
                        + service.getName() + ",class=" + resource.getType() + ",name=" + encodedResourceName);
            }
        }

        return (name);

    }

    /**
    * Create an <code>ObjectName</code> for this
    * <code>ContextResourceLink</code> object.
    *
    * @param domain Domain in which this name is to be created
    * @param resourceLink The ContextResourceLink to be named
    *
    * @exception MalformedObjectNameException if a name cannot be created
    */
    public static ObjectName createObjectName(String domain, ContextResourceLink resourceLink)
            throws MalformedObjectNameException {

        ObjectName name = null;
        String encodedResourceLinkName = encodeStr(resourceLink.getName());
        Object container = resourceLink.getNamingResources().getContainer();
        if (container instanceof Server) {
            name = new ObjectName(domain + ":type=ResourceLink" + ",resourcetype=Global,class="
                    + resourceLink.getType() + ",name=" + encodedResourceLinkName);
        } else if (container instanceof Context) {
            String path = ((Context) container).getPath();
            if (path.length() < 1)
                path = "/";
            Host host = (Host) ((Context) container).getParent();
            Engine engine = (Engine) host.getParent();
            Service service = engine.getService();
            name = new ObjectName(domain + ":type=ResourceLink" + ",resourcetype=Context,path=" + path + ",host="
                    + host.getName() + ",service=" + service.getName() + ",class=" + resourceLink.getType()
                    + ",name=" + encodedResourceLinkName);
        } else if (container instanceof DefaultContext) {
            container = ((DefaultContext) container).getParent();
            if (container instanceof Host) {
                Host host = (Host) container;
                Service service = ((Engine) host.getParent()).getService();
                name = new ObjectName(domain + ":type=ResourceLink" + ",resourcetype=HostDefaultContext,host="
                        + host.getName() + ",service=" + service.getName() + ",class=" + resourceLink.getType()
                        + ",name=" + encodedResourceLinkName);
            } else if (container instanceof Engine) {
                Engine engine = (Engine) container;
                Service service = engine.getService();
                name = new ObjectName(domain + ":type=ResourceLink" + ",resourcetype=ServiceDefaultContext,service="
                        + service.getName() + ",class=" + resourceLink.getType() + ",name="
                        + encodedResourceLinkName);
            }
        }

        return (name);

    }

    /**
     * Create an <code>ObjectName</code> for this
     * <code>DefaultContext</code> object.
     *
     * @param domain Domain in which this name is to be created
     * @param context The DefaultContext to be named
     *
     * @exception MalformedObjectNameException if a name cannot be created
     */
    public static ObjectName createObjectName(String domain, DefaultContext context)
            throws MalformedObjectNameException {

        ObjectName name = null;
        Container container = context.getParent();
        if (container instanceof Host) {
            Host host = (Host) container;
            Service service = ((Engine) host.getParent()).getService();
            name = new ObjectName(
                    domain + ":type=DefaultContext,host=" + host.getName() + ",service=" + service.getName());
        } else if (container instanceof Engine) {
            Engine engine = (Engine) container;
            Service service = engine.getService();
            name = new ObjectName(domain + ":type=DefaultContext,service=" + service.getName());
        }

        return (name);

    }

    /**
     * Create an <code>ObjectName</code> for this
     * <code>Engine</code> object.
     *
     * @param domain Domain in which this name is to be created
     * @param engine The Engine to be named
     *
     * @exception MalformedObjectNameException if a name cannot be created
     */
    public static ObjectName createObjectName(String domain, Engine engine) throws MalformedObjectNameException {

        ObjectName name = null;
        name = new ObjectName(domain + ":type=Engine,service=" + engine.getService().getName());
        return (name);

    }

    /**
     * Create an <code>ObjectName</code> for this
     * <code>Group</code> object.
     *
     * @param domain Domain in which this name is to be created
     * @param group The Group to be named
     *
     * @exception MalformedObjectNameException if a name cannot be created
     */
    public static ObjectName createObjectName(String domain, Group group) throws MalformedObjectNameException {

        ObjectName name = null;
        name = new ObjectName(domain + ":type=Group,groupname=" + group.getGroupname() + ",database="
                + group.getUserDatabase().getId());
        return (name);

    }

    /**
     * Create an <code>ObjectName</code> for this
     * <code>Host</code> object.
     *
     * @param domain Domain in which this name is to be created
     * @param host The Host to be named
     *
     * @exception MalformedObjectNameException if a name cannot be created
     */
    public static ObjectName createObjectName(String domain, Host host) throws MalformedObjectNameException {

        ObjectName name = null;
        Engine engine = (Engine) host.getParent();
        Service service = engine.getService();
        name = new ObjectName(domain + ":type=Host,host=" + host.getName() + ",service=" + service.getName());
        return (name);

    }

    /**
     * Create an <code>ObjectName</code> for this
     * <code>Loader</code> object.
     *
     * @param domain Domain in which this name is to be created
     * @param loader The Loader to be named
     *
     * @exception MalformedObjectNameException if a name cannot be created
     */
    public static ObjectName createObjectName(String domain, Loader loader) throws MalformedObjectNameException {

        ObjectName name = null;
        Container container = loader.getContainer();

        if (container instanceof Engine) {
            Service service = ((Engine) container).getService();
            name = new ObjectName(domain + ":type=Loader,service=" + service.getName());
        } else if (container instanceof Host) {
            Engine engine = (Engine) container.getParent();
            Service service = engine.getService();
            name = new ObjectName(
                    domain + ":type=Loader,host=" + container.getName() + ",service=" + service.getName());
        } else if (container instanceof Context) {
            String path = ((Context) container).getPath();
            if (path.length() < 1) {
                path = "/";
            }
            Host host = (Host) container.getParent();
            Engine engine = (Engine) host.getParent();
            Service service = engine.getService();
            name = new ObjectName(domain + ":type=Loader,path=" + path + ",host=" + host.getName() + ",service="
                    + service.getName());
        } else if (container == null) {
            DefaultContext defaultContext = loader.getDefaultContext();
            if (defaultContext != null) {
                Container parent = defaultContext.getParent();
                if (parent instanceof Engine) {
                    Service service = ((Engine) parent).getService();
                    name = new ObjectName(domain + ":type=DefaultLoader,service=" + service.getName());
                } else if (parent instanceof Host) {
                    Engine engine = (Engine) parent.getParent();
                    Service service = engine.getService();
                    name = new ObjectName(domain + ":type=DefaultLoader,host=" + parent.getName() + ",service="
                            + service.getName());
                }
            }
        }

        return (name);

    }

    /**
     * Create an <code>ObjectName</code> for this
     * <code>Logger</code> object.
     *
     * @param domain Domain in which this name is to be created
     * @param logger The Logger to be named
     *
     * @exception MalformedObjectNameException if a name cannot be created
     */
    public static ObjectName createObjectName(String domain, Logger logger) throws MalformedObjectNameException {

        ObjectName name = null;
        Container container = logger.getContainer();

        if (container instanceof Engine) {
            Service service = ((Engine) container).getService();
            name = new ObjectName(domain + ":type=Logger,service=" + service.getName());
        } else if (container instanceof Host) {
            Engine engine = (Engine) container.getParent();
            Service service = engine.getService();
            name = new ObjectName(
                    domain + ":type=Logger,host=" + container.getName() + ",service=" + service.getName());
        } else if (container instanceof Context) {
            String path = ((Context) container).getPath();
            if (path.length() < 1) {
                path = "/";
            }
            Host host = (Host) container.getParent();
            Engine engine = (Engine) host.getParent();
            Service service = engine.getService();
            name = new ObjectName(domain + ":type=Logger,path=" + path + ",host=" + host.getName() + ",service="
                    + service.getName());
        }

        return (name);

    }

    /**
     * Create an <code>ObjectName</code> for this
     * <code>Manager</code> object.
     *
     * @param domain Domain in which this name is to be created
     * @param manager The Manager to be named
     *
     * @exception MalformedObjectNameException if a name cannot be created
     */
    public static ObjectName createObjectName(String domain, Manager manager) throws MalformedObjectNameException {

        ObjectName name = null;
        Container container = manager.getContainer();

        if (container instanceof Engine) {
            Service service = ((Engine) container).getService();
            name = new ObjectName(domain + ":type=Manager,service=" + service.getName());
        } else if (container instanceof Host) {
            Engine engine = (Engine) container.getParent();
            Service service = engine.getService();
            name = new ObjectName(
                    domain + ":type=Manager,host=" + container.getName() + ",service=" + service.getName());
        } else if (container instanceof Context) {
            String path = ((Context) container).getPath();
            if (path.length() < 1) {
                path = "/";
            }
            Host host = (Host) container.getParent();
            Engine engine = (Engine) host.getParent();
            Service service = engine.getService();
            name = new ObjectName(domain + ":type=Manager,path=" + path + ",host=" + host.getName() + ",service="
                    + service.getName());
        } else if (container == null) {
            DefaultContext defaultContext = manager.getDefaultContext();
            if (defaultContext != null) {
                Container parent = defaultContext.getParent();
                if (parent instanceof Engine) {
                    Service service = ((Engine) parent).getService();
                    name = new ObjectName(domain + ":type=DefaultManager,service=" + service.getName());
                } else if (parent instanceof Host) {
                    Engine engine = (Engine) parent.getParent();
                    Service service = engine.getService();
                    name = new ObjectName(domain + ":type=DefaultManager,host=" + parent.getName() + ",service="
                            + service.getName());
                }
            }
        }

        return (name);

    }

    /**
     * Create an <code>ObjectName</code> for this
     * <code>Server</code> object.
     *
     * @param domain Domain in which this name is to be created
     * @param resources The NamingResources to be named
     *
     * @exception MalformedObjectNameException if a name cannot be created
     */
    public static ObjectName createObjectName(String domain, NamingResources resources)
            throws MalformedObjectNameException {

        ObjectName name = null;
        Object container = resources.getContainer();
        if (container instanceof Server) {
            name = new ObjectName(domain + ":type=NamingResources" + ",resourcetype=Global");
        } else if (container instanceof Context) {
            String path = ((Context) container).getPath();
            if (path.length() < 1)
                path = "/";
            Host host = (Host) ((Context) container).getParent();
            Engine engine = (Engine) host.getParent();
            Service service = engine.getService();
            name = new ObjectName(domain + ":type=NamingResources" + ",resourcetype=Context,path=" + path + ",host="
                    + host.getName() + ",service=" + service.getName());
        } else if (container instanceof DefaultContext) {
            container = ((DefaultContext) container).getParent();
            if (container instanceof Host) {
                Host host = (Host) container;
                Service service = ((Engine) host.getParent()).getService();
                name = new ObjectName(domain + ":type=NamingResources" + ",resourcetype=HostDefaultContext,host="
                        + host.getName() + ",service=" + service.getName());
            } else if (container instanceof Engine) {
                Engine engine = (Engine) container;
                Service service = engine.getService();
                name = new ObjectName(domain + ":type=NamingResources" + ",resourcetype=ServiceDefaultContext"
                        + ",service=" + service.getName());
            }
        }

        return (name);

    }

    /**
     * Create an <code>ObjectName</code> for this
     * <code>MBeanFactory</code> object.
     *
     * @param domain Domain in which this name is to be created
     * @param factory The MBeanFactory to be named
     *
     * @exception MalformedObjectNameException if a name cannot be created
     */
    public static ObjectName createObjectName(String domain, MBeanFactory factory)
            throws MalformedObjectNameException {

        ObjectName name = new ObjectName(domain + ":type=MBeanFactory");

        return (name);

    }

    /**
     * Create an <code>ObjectName</code> for this
     * <code>Realm</code> object.
     *
     * @param domain Domain in which this name is to be created
     * @param realm The Realm to be named
     *
     * @exception MalformedObjectNameException if a name cannot be created
     */
    public static ObjectName createObjectName(String domain, Realm realm) throws MalformedObjectNameException {

        ObjectName name = null;
        Container container = realm.getContainer();

        if (container instanceof Engine) {
            Service service = ((Engine) container).getService();
            name = new ObjectName(domain + ":type=Realm,service=" + service.getName());
        } else if (container instanceof Host) {
            Engine engine = (Engine) container.getParent();
            Service service = engine.getService();
            name = new ObjectName(
                    domain + ":type=Realm,host=" + container.getName() + ",service=" + service.getName());
        } else if (container instanceof Context) {
            String path = ((Context) container).getPath();
            if (path.length() < 1) {
                path = "/";
            }
            Host host = (Host) container.getParent();
            Engine engine = (Engine) host.getParent();
            Service service = engine.getService();
            name = new ObjectName(domain + ":type=Realm,path=" + path + ",host=" + host.getName() + ",service="
                    + service.getName());
        }

        return (name);

    }

    /**
     * Create an <code>ObjectName</code> for this
     * <code>Role</code> object.
     *
     * @param domain Domain in which this name is to be created
     * @param role The Role to be named
     *
     * @exception MalformedObjectNameException if a name cannot be created
     */
    public static ObjectName createObjectName(String domain, Role role) throws MalformedObjectNameException {

        ObjectName name = null;
        name = new ObjectName(domain + ":type=Role,rolename=" + role.getRolename() + ",database="
                + role.getUserDatabase().getId());
        return (name);

    }

    /**
     * Create an <code>ObjectName</code> for this
     * <code>Server</code> object.
     *
     * @param domain Domain in which this name is to be created
     * @param server The Server to be named
     *
     * @exception MalformedObjectNameException if a name cannot be created
     */
    public static ObjectName createObjectName(String domain, Server server) throws MalformedObjectNameException {

        ObjectName name = null;
        name = new ObjectName(domain + ":type=Server");
        return (name);

    }

    /**
     * Create an <code>ObjectName</code> for this
     * <code>Service</code> object.
     *
     * @param domain Domain in which this name is to be created
     * @param service The Service to be named
     *
     * @exception MalformedObjectNameException if a name cannot be created
     */
    public static ObjectName createObjectName(String domain, Service service) throws MalformedObjectNameException {

        ObjectName name = null;
        name = new ObjectName(domain + ":type=Service,name=" + service.getName());
        return (name);

    }

    /**
     * Create an <code>ObjectName</code> for this
     * <code>User</code> object.
     *
     * @param domain Domain in which this name is to be created
     * @param user The User to be named
     *
     * @exception MalformedObjectNameException if a name cannot be created
     */
    public static ObjectName createObjectName(String domain, User user) throws MalformedObjectNameException {

        ObjectName name = null;
        name = new ObjectName(domain + ":type=User,username=" + user.getUsername() + ",database="
                + user.getUserDatabase().getId());
        return (name);

    }

    /**
     * Create an <code>ObjectName</code> for this
     * <code>UserDatabase</code> object.
     *
     * @param domain Domain in which this name is to be created
     * @param userDatabase The UserDatabase to be named
     *
     * @exception MalformedObjectNameException if a name cannot be created
     */
    public static ObjectName createObjectName(String domain, UserDatabase userDatabase)
            throws MalformedObjectNameException {

        ObjectName name = null;
        name = new ObjectName(domain + ":type=UserDatabase,database=" + userDatabase.getId());
        return (name);

    }

    /**
     * Create an <code>ObjectName</code> for this
     * <code>Valve</code> object.
     *
     * @param domain Domain in which this name is to be created
     * @param valve The Valve to be named
     *
     * @exception MalformedObjectNameException if a name cannot be created
     */
    public static ObjectName createObjectName(String domain, Valve valve) throws MalformedObjectNameException {

        ObjectName name = null;
        Container container = ((ValveBase) valve).getContainer();

        if (container instanceof Engine) {
            Service service = ((Engine) container).getService();
            name = new ObjectName(
                    domain + ":type=Valve,sequence=" + valve.hashCode() + ",service=" + service.getName());
        } else if (container instanceof Host) {
            Service service = ((Engine) container.getParent()).getService();
            name = new ObjectName(domain + ":type=Valve,sequence=" + valve.hashCode() + ",host="
                    + container.getName() + ",service=" + service.getName());
        } else if (container instanceof Context) {
            String path = ((Context) container).getPath();
            if (path.length() < 1) {
                path = "/";
            }
            Host host = (Host) container.getParent();
            Service service = ((Engine) host.getParent()).getService();
            name = new ObjectName(domain + ":type=Valve,sequence=" + valve.hashCode() + ",path=" + path + ",host="
                    + host.getName() + ",service=" + service.getName());
        }

        return (name);

    }

    /**
     * Create and configure (if necessary) and return the registry of
     * managed object descriptions.
     */
    public synchronized static Registry createRegistry() {
        if (registry == null) {
            try {
                URL url = ServerLifecycleListener.class
                        .getResource("/org/apache/catalina/mbeans/mbeans-descriptors.xml");
                InputStream stream = url.openStream();
                //                Registry.setDebug(1);
                Registry.loadRegistry(stream);
                stream.close();
                registry = Registry.getRegistry();
            } catch (Throwable t) {
                t.printStackTrace(System.out);
                System.exit(1);
            }
        }
        return (registry);

    }

    /**
     * Load an MBean descriptor resource.
     */
    public synchronized static void loadMBeanDescriptors(String resource) {

        try {
            URL url = ServerLifecycleListener.class.getResource(resource);
            if (url != null) {
                InputStream stream = url.openStream();
                Registry.loadRegistry(stream);
                stream.close();
            } else {
                // XXX: i18n
                System.out.println("MBean descriptors not found:" + resource);
            }
        } catch (Throwable t) {
            t.printStackTrace(System.out);
        }

    }

    /**
     * Create and configure (if necessary) and return the
     * <code>MBeanServer</code> with which we will be
     * registering our <code>ModelMBean</code> implementations.
     */
    public synchronized static MBeanServer createServer() {

        if (mserver == null) {
            try {
                //Trace.parseTraceProperties();
                //mserver = MBeanServerFactory.createMBeanServer();
                mserver = Registry.getServer();
            } catch (Throwable t) {
                t.printStackTrace(System.out);
                System.exit(1);
            }
        }
        return (mserver);

    }

    /**
     * Deregister the MBean for this
     * <code>Connector</code> object.
     *
     * @param connector The Connector to be managed
     *
     * @exception Exception if an MBean cannot be deregistered
     */
    public static void destroyMBean(Connector connector, Service service) throws Exception {

        connector.setService(service);
        String mname = createManagedName(connector);
        ManagedBean managed = registry.findManagedBean(mname);
        if (managed == null) {
            return;
        }
        String domain = managed.getDomain();
        if (domain == null)
            domain = mserver.getDefaultDomain();
        ObjectName oname = createObjectName(domain, connector);
        connector.setService(null);
        mserver.unregisterMBean(oname);

    }

    /**
     * Deregister the MBean for this
     * <code>Context</code> object.
     *
     * @param context The Context to be managed
     *
     * @exception Exception if an MBean cannot be deregistered
     */
    public static void destroyMBean(Context context) throws Exception {

        String mname = createManagedName(context);
        ManagedBean managed = registry.findManagedBean(mname);
        if (managed == null) {
            return;
        }
        String domain = managed.getDomain();
        if (domain == null)
            domain = mserver.getDefaultDomain();
        ObjectName oname = createObjectName(domain, context);
        mserver.unregisterMBean(oname);

    }

    /**
     * Deregister the MBean for this
     * <code>ContextEnvironment</code> object.
     *
     * @param environment The ContextEnvironment to be managed
     *
     * @exception Exception if an MBean cannot be deregistered
     */
    public static void destroyMBean(ContextEnvironment environment) throws Exception {

        String mname = createManagedName(environment);
        ManagedBean managed = registry.findManagedBean(mname);
        if (managed == null) {
            return;
        }
        String domain = managed.getDomain();
        if (domain == null)
            domain = mserver.getDefaultDomain();
        ObjectName oname = createObjectName(domain, environment);
        mserver.unregisterMBean(oname);

    }

    /**
     * Deregister the MBean for this
     * <code>ContextResource</code> object.
     *
     * @param resource The ContextResource to be managed
     *
     * @exception Exception if an MBean cannot be deregistered
     */
    public static void destroyMBean(ContextResource resource) throws Exception {

        String mname = createManagedName(resource);
        ManagedBean managed = registry.findManagedBean(mname);
        if (managed == null) {
            return;
        }
        String domain = managed.getDomain();
        if (domain == null)
            domain = mserver.getDefaultDomain();
        ObjectName oname = createObjectName(domain, resource);
        mserver.unregisterMBean(oname);

    }

    /**
     * Deregister the MBean for this
     * <code>ContextResourceLink</code> object.
     *
     * @param resourceLink The ContextResourceLink to be managed
     *
     * @exception Exception if an MBean cannot be deregistered
     */
    public static void destroyMBean(ContextResourceLink resourceLink) throws Exception {

        String mname = createManagedName(resourceLink);
        ManagedBean managed = registry.findManagedBean(mname);
        if (managed == null) {
            return;
        }
        String domain = managed.getDomain();
        if (domain == null)
            domain = mserver.getDefaultDomain();
        ObjectName oname = createObjectName(domain, resourceLink);
        mserver.unregisterMBean(oname);

    }

    /**
     * Deregister the MBean for this
     * <code>DefaultContext</code> object.
     *
     * @param context The DefaultContext to be managed
     *
     * @exception Exception if an MBean cannot be deregistered
     */
    public static void destroyMBean(DefaultContext context) throws Exception {

        String mname = createManagedName(context);
        ManagedBean managed = registry.findManagedBean(mname);
        if (managed == null) {
            return;
        }
        String domain = managed.getDomain();
        if (domain == null)
            domain = mserver.getDefaultDomain();
        ObjectName oname = createObjectName(domain, context);
        mserver.unregisterMBean(oname);

    }

    /**
     * Deregister the MBean for this
     * <code>Engine</code> object.
     *
     * @param engine The Engine to be managed
     *
     * @exception Exception if an MBean cannot be deregistered
     */
    public static void destroyMBean(Engine engine) throws Exception {

        String mname = createManagedName(engine);
        ManagedBean managed = registry.findManagedBean(mname);
        if (managed == null) {
            return;
        }
        String domain = managed.getDomain();
        if (domain == null)
            domain = mserver.getDefaultDomain();
        ObjectName oname = createObjectName(domain, engine);
        mserver.unregisterMBean(oname);

    }

    /**
     * Deregister the MBean for this
     * <code>Group</code> object.
     *
     * @param group The Group to be managed
     *
     * @exception Exception if an MBean cannot be deregistered
     */
    public static void destroyMBean(Group group) throws Exception {

        String mname = createManagedName(group);
        ManagedBean managed = registry.findManagedBean(mname);
        if (managed == null) {
            return;
        }
        String domain = managed.getDomain();
        if (domain == null)
            domain = mserver.getDefaultDomain();
        ObjectName oname = createObjectName(domain, group);
        mserver.unregisterMBean(oname);

    }

    /**
     * Deregister the MBean for this
     * <code>Host</code> object.
     *
     * @param host The Host to be managed
     *
     * @exception Exception if an MBean cannot be deregistered
     */
    public static void destroyMBean(Host host) throws Exception {

        String mname = createManagedName(host);
        ManagedBean managed = registry.findManagedBean(mname);
        if (managed == null) {
            return;
        }
        String domain = managed.getDomain();
        if (domain == null)
            domain = mserver.getDefaultDomain();
        ObjectName oname = createObjectName(domain, host);
        mserver.unregisterMBean(oname);

    }

    /**
     * Deregister the MBean for this
     * <code>Loader</code> object.
     *
     * @param loader The Loader to be managed
     *
     * @exception Exception if an MBean cannot be deregistered
     */
    public static void destroyMBean(Loader loader) throws Exception {

        String mname = createManagedName(loader);
        ManagedBean managed = registry.findManagedBean(mname);
        if (managed == null) {
            return;
        }
        String domain = managed.getDomain();
        if (domain == null)
            domain = mserver.getDefaultDomain();
        ObjectName oname = createObjectName(domain, loader);
        mserver.unregisterMBean(oname);

    }

    /**
     * Deregister the MBean for this
     * <code>Logger</code> object.
     *
     * @param logger The Logger to be managed
     *
     * @exception Exception if an MBean cannot be deregistered
     */
    public static void destroyMBean(Logger logger) throws Exception {

        String mname = createManagedName(logger);
        ManagedBean managed = registry.findManagedBean(mname);
        if (managed == null) {
            return;
        }
        String domain = managed.getDomain();
        if (domain == null)
            domain = mserver.getDefaultDomain();
        ObjectName oname = createObjectName(domain, logger);
        mserver.unregisterMBean(oname);

    }

    /**
     * Deregister the MBean for this
     * <code>Manager</code> object.
     *
     * @param manager The Manager to be managed
     *
     * @exception Exception if an MBean cannot be deregistered
     */
    public static void destroyMBean(Manager manager) throws Exception {

        String mname = createManagedName(manager);
        ManagedBean managed = registry.findManagedBean(mname);
        if (managed == null) {
            return;
        }
        String domain = managed.getDomain();
        if (domain == null)
            domain = mserver.getDefaultDomain();
        ObjectName oname = createObjectName(domain, manager);
        mserver.unregisterMBean(oname);

    }

    /**
      * Deregister the MBean for this
      * <code>NamingResources</code> object.
      *
      * @param resources The NamingResources to be managed
      *
      * @exception Exception if an MBean cannot be deregistered
      */
    public static void destroyMBean(NamingResources resources) throws Exception {

        String mname = createManagedName(resources);
        ManagedBean managed = registry.findManagedBean(mname);
        if (managed == null) {
            return;
        }
        String domain = managed.getDomain();
        if (domain == null)
            domain = mserver.getDefaultDomain();
        ObjectName oname = createObjectName(domain, resources);
        mserver.unregisterMBean(oname);

    }

    /**
     * Deregister the MBean for this
     * <code>Realm</code> object.
     *
     * @param realm The Realm to be managed
     *
     * @exception Exception if an MBean cannot be deregistered
     */
    public static void destroyMBean(Realm realm) throws Exception {

        String mname = createManagedName(realm);
        ManagedBean managed = registry.findManagedBean(mname);
        if (managed == null) {
            return;
        }
        String domain = managed.getDomain();
        if (domain == null)
            domain = mserver.getDefaultDomain();
        ObjectName oname = createObjectName(domain, realm);
        mserver.unregisterMBean(oname);

    }

    /**
     * Deregister the MBean for this
     * <code>Role</code> object.
     *
     * @param role The Role to be managed
     *
     * @exception Exception if an MBean cannot be deregistered
     */
    public static void destroyMBean(Role role) throws Exception {

        String mname = createManagedName(role);
        ManagedBean managed = registry.findManagedBean(mname);
        if (managed == null) {
            return;
        }
        String domain = managed.getDomain();
        if (domain == null)
            domain = mserver.getDefaultDomain();
        ObjectName oname = createObjectName(domain, role);
        mserver.unregisterMBean(oname);

    }

    /**
     * Deregister the MBean for this
     * <code>Server</code> object.
     *
     * @param server The Server to be managed
     *
     * @exception Exception if an MBean cannot be deregistered
     */
    public static void destroyMBean(Server server) throws Exception {

        String mname = createManagedName(server);
        ManagedBean managed = registry.findManagedBean(mname);
        if (managed == null) {
            return;
        }
        String domain = managed.getDomain();
        if (domain == null)
            domain = mserver.getDefaultDomain();
        ObjectName oname = createObjectName(domain, server);
        mserver.unregisterMBean(oname);

    }

    /**
     * Deregister the MBean for this
     * <code>Service</code> object.
     *
     * @param service The Service to be managed
     *
     * @exception Exception if an MBean cannot be deregistered
     */
    public static void destroyMBean(Service service) throws Exception {

        String mname = createManagedName(service);
        ManagedBean managed = registry.findManagedBean(mname);
        if (managed == null) {
            return;
        }
        String domain = managed.getDomain();
        if (domain == null)
            domain = mserver.getDefaultDomain();
        ObjectName oname = createObjectName(domain, service);
        mserver.unregisterMBean(oname);

    }

    /**
     * Deregister the MBean for this
     * <code>User</code> object.
     *
     * @param user The User to be managed
     *
     * @exception Exception if an MBean cannot be deregistered
     */
    public static void destroyMBean(User user) throws Exception {

        String mname = createManagedName(user);
        ManagedBean managed = registry.findManagedBean(mname);
        if (managed == null) {
            return;
        }
        String domain = managed.getDomain();
        if (domain == null)
            domain = mserver.getDefaultDomain();
        ObjectName oname = createObjectName(domain, user);
        mserver.unregisterMBean(oname);

    }

    /**
     * Deregister the MBean for this
     * <code>UserDatabase</code> object.
     *
     * @param userDatabase The UserDatabase to be managed
     *
     * @exception Exception if an MBean cannot be deregistered
     */
    public static void destroyMBean(UserDatabase userDatabase) throws Exception {

        String mname = createManagedName(userDatabase);
        ManagedBean managed = registry.findManagedBean(mname);
        if (managed == null) {
            return;
        }
        String domain = managed.getDomain();
        if (domain == null)
            domain = mserver.getDefaultDomain();
        ObjectName oname = createObjectName(domain, userDatabase);
        mserver.unregisterMBean(oname);

    }

    /**
     * Deregister the MBean for this
     * <code>Valve</code> object.
     *
     * @param valve The Valve to be managed
     *
     * @exception Exception if an MBean cannot be deregistered
     */
    public static void destroyMBean(Valve valve, Container container) throws Exception {

        ((Contained) valve).setContainer(container);
        String mname = createManagedName(valve);
        ManagedBean managed = registry.findManagedBean(mname);
        if (managed == null) {
            return;
        }
        String domain = managed.getDomain();
        if (domain == null)
            domain = mserver.getDefaultDomain();
        ObjectName oname = createObjectName(domain, valve);
        try {
            ((Contained) valve).setContainer(null);
        } catch (Throwable t) {
            ;
        }
        mserver.unregisterMBean(oname);

    }

}