786 lines
26 KiB
Java
786 lines
26 KiB
Java
/*
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* Licensed to the Apache Software Foundation (ASF) under one or more
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* contributor license agreements. See the NOTICE file distributed with
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* this work for additional information regarding copyright ownership.
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* The ASF licenses this file to You under the Apache License, Version 2.0
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* (the "License"); you may not use this file except in compliance with
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* the License. You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package org.apache.catalina.mbeans;
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import java.util.Set;
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import javax.management.DynamicMBean;
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import javax.management.MBeanException;
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import javax.management.MBeanServer;
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import javax.management.MalformedObjectNameException;
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import javax.management.ObjectName;
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import org.apache.catalina.Container;
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import org.apache.catalina.Context;
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import org.apache.catalina.Group;
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import org.apache.catalina.Loader;
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import org.apache.catalina.Role;
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import org.apache.catalina.Server;
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import org.apache.catalina.User;
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import org.apache.catalina.UserDatabase;
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import org.apache.catalina.util.ContextName;
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import org.apache.tomcat.util.descriptor.web.ContextEnvironment;
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import org.apache.tomcat.util.descriptor.web.ContextResource;
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import org.apache.tomcat.util.descriptor.web.ContextResourceLink;
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import org.apache.tomcat.util.modeler.ManagedBean;
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import org.apache.tomcat.util.modeler.Registry;
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/**
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* Public utility methods in support of the server side MBeans implementation.
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*
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* @author Craig R. McClanahan
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* @author Amy Roh
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*/
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public class MBeanUtils {
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// ------------------------------------------------------- Static Variables
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/**
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* The set of exceptions to the normal rules used by
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* <code>createManagedBean()</code>. The first element of each pair
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* is a class name, and the second element is the managed bean name.
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*/
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private static final String exceptions[][] = {
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{ "org.apache.catalina.users.MemoryGroup",
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"Group" },
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{ "org.apache.catalina.users.MemoryRole",
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"Role" },
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{ "org.apache.catalina.users.MemoryUser",
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"User" },
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};
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/**
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* The configuration information registry for our managed beans.
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*/
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private static Registry registry = createRegistry();
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/**
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* The <code>MBeanServer</code> for this application.
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*/
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private static MBeanServer mserver = createServer();
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// --------------------------------------------------------- Static Methods
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/**
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* Create and return the name of the <code>ManagedBean</code> that
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* corresponds to this Catalina component.
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*
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* @param component The component for which to create a name
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*/
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static String createManagedName(Object component) {
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// Deal with exceptions to the standard rule
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String className = component.getClass().getName();
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for (int i = 0; i < exceptions.length; i++) {
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if (className.equals(exceptions[i][0])) {
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return exceptions[i][1];
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}
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}
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// Perform the standard transformation
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int period = className.lastIndexOf('.');
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if (period >= 0)
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className = className.substring(period + 1);
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return className;
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}
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/**
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* Create, register, and return an MBean for this
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* <code>ContextEnvironment</code> object.
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*
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* @param environment The ContextEnvironment to be managed
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* @return a new MBean
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* @exception Exception if an MBean cannot be created or registered
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*/
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public static DynamicMBean createMBean(ContextEnvironment environment)
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throws Exception {
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String mname = createManagedName(environment);
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ManagedBean managed = registry.findManagedBean(mname);
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if (managed == null) {
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Exception e = new Exception("ManagedBean is not found with "+mname);
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throw new MBeanException(e);
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}
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String domain = managed.getDomain();
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if (domain == null)
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domain = mserver.getDefaultDomain();
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DynamicMBean mbean = managed.createMBean(environment);
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ObjectName oname = createObjectName(domain, environment);
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if( mserver.isRegistered( oname )) {
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mserver.unregisterMBean(oname);
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}
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mserver.registerMBean(mbean, oname);
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return mbean;
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}
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/**
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* Create, register, and return an MBean for this
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* <code>ContextResource</code> object.
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*
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* @param resource The ContextResource to be managed
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* @return a new MBean
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* @exception Exception if an MBean cannot be created or registered
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*/
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public static DynamicMBean createMBean(ContextResource resource)
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throws Exception {
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String mname = createManagedName(resource);
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ManagedBean managed = registry.findManagedBean(mname);
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if (managed == null) {
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Exception e = new Exception("ManagedBean is not found with "+mname);
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throw new MBeanException(e);
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}
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String domain = managed.getDomain();
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if (domain == null)
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domain = mserver.getDefaultDomain();
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DynamicMBean mbean = managed.createMBean(resource);
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ObjectName oname = createObjectName(domain, resource);
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if( mserver.isRegistered( oname )) {
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mserver.unregisterMBean(oname);
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}
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mserver.registerMBean(mbean, oname);
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return mbean;
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}
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/**
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* Create, register, and return an MBean for this
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* <code>ContextResourceLink</code> object.
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*
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* @param resourceLink The ContextResourceLink to be managed
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* @return a new MBean
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* @exception Exception if an MBean cannot be created or registered
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*/
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public static DynamicMBean createMBean(ContextResourceLink resourceLink)
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throws Exception {
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String mname = createManagedName(resourceLink);
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ManagedBean managed = registry.findManagedBean(mname);
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if (managed == null) {
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Exception e = new Exception("ManagedBean is not found with "+mname);
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throw new MBeanException(e);
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}
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String domain = managed.getDomain();
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if (domain == null)
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domain = mserver.getDefaultDomain();
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DynamicMBean mbean = managed.createMBean(resourceLink);
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ObjectName oname = createObjectName(domain, resourceLink);
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if( mserver.isRegistered( oname )) {
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mserver.unregisterMBean(oname);
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}
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mserver.registerMBean(mbean, oname);
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return mbean;
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}
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/**
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* Create, register, and return an MBean for this
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* <code>Group</code> object.
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*
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* @param group The Group to be managed
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* @return a new MBean
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* @exception Exception if an MBean cannot be created or registered
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*/
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static DynamicMBean createMBean(Group group)
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throws Exception {
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String mname = createManagedName(group);
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ManagedBean managed = registry.findManagedBean(mname);
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if (managed == null) {
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Exception e = new Exception("ManagedBean is not found with "+mname);
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throw new MBeanException(e);
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}
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String domain = managed.getDomain();
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if (domain == null)
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domain = mserver.getDefaultDomain();
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DynamicMBean mbean = managed.createMBean(group);
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ObjectName oname = createObjectName(domain, group);
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if( mserver.isRegistered( oname )) {
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mserver.unregisterMBean(oname);
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}
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mserver.registerMBean(mbean, oname);
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return mbean;
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}
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/**
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* Create, register, and return an MBean for this
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* <code>Role</code> object.
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*
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* @param role The Role to be managed
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* @return a new MBean
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* @exception Exception if an MBean cannot be created or registered
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*/
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static DynamicMBean createMBean(Role role)
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throws Exception {
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String mname = createManagedName(role);
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ManagedBean managed = registry.findManagedBean(mname);
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if (managed == null) {
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Exception e = new Exception("ManagedBean is not found with "+mname);
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throw new MBeanException(e);
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}
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String domain = managed.getDomain();
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if (domain == null)
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domain = mserver.getDefaultDomain();
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DynamicMBean mbean = managed.createMBean(role);
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ObjectName oname = createObjectName(domain, role);
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if( mserver.isRegistered( oname )) {
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mserver.unregisterMBean(oname);
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}
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mserver.registerMBean(mbean, oname);
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return mbean;
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}
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/**
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* Create, register, and return an MBean for this
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* <code>User</code> object.
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*
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* @param user The User to be managed
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* @return a new MBean
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* @exception Exception if an MBean cannot be created or registered
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*/
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static DynamicMBean createMBean(User user)
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throws Exception {
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String mname = createManagedName(user);
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ManagedBean managed = registry.findManagedBean(mname);
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if (managed == null) {
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Exception e = new Exception("ManagedBean is not found with "+mname);
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throw new MBeanException(e);
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}
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String domain = managed.getDomain();
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if (domain == null)
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domain = mserver.getDefaultDomain();
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DynamicMBean mbean = managed.createMBean(user);
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ObjectName oname = createObjectName(domain, user);
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if( mserver.isRegistered( oname )) {
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mserver.unregisterMBean(oname);
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}
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mserver.registerMBean(mbean, oname);
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return mbean;
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}
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/**
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* Create, register, and return an MBean for this
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* <code>UserDatabase</code> object.
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*
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* @param userDatabase The UserDatabase to be managed
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* @return a new MBean
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* @exception Exception if an MBean cannot be created or registered
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*/
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static DynamicMBean createMBean(UserDatabase userDatabase)
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throws Exception {
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String mname = createManagedName(userDatabase);
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ManagedBean managed = registry.findManagedBean(mname);
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if (managed == null) {
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Exception e = new Exception("ManagedBean is not found with "+mname);
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throw new MBeanException(e);
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}
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String domain = managed.getDomain();
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if (domain == null)
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domain = mserver.getDefaultDomain();
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DynamicMBean mbean = managed.createMBean(userDatabase);
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ObjectName oname = createObjectName(domain, userDatabase);
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if( mserver.isRegistered( oname )) {
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mserver.unregisterMBean(oname);
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}
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mserver.registerMBean(mbean, oname);
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return mbean;
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}
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/**
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* Create an <code>ObjectName</code> for this
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* <code>Service</code> object.
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*
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* @param domain Domain in which this name is to be created
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* @param environment The ContextEnvironment to be named
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* @return a new object name
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* @exception MalformedObjectNameException if a name cannot be created
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*/
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public static ObjectName createObjectName(String domain,
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ContextEnvironment environment)
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throws MalformedObjectNameException {
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ObjectName name = null;
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Object container =
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environment.getNamingResources().getContainer();
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if (container instanceof Server) {
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name = new ObjectName(domain + ":type=Environment" +
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",resourcetype=Global,name=" + environment.getName());
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} else if (container instanceof Context) {
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Context context = ((Context)container);
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ContextName cn = new ContextName(context.getName(), false);
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Container host = context.getParent();
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name = new ObjectName(domain + ":type=Environment" +
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",resourcetype=Context,host=" + host.getName() +
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",context=" + cn.getDisplayName() +
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",name=" + environment.getName());
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}
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return name;
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}
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/**
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* Create an <code>ObjectName</code> for this
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* <code>ContextResource</code> object.
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*
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* @param domain Domain in which this name is to be created
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* @param resource The ContextResource to be named
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* @return a new object name
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* @exception MalformedObjectNameException if a name cannot be created
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*/
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public static ObjectName createObjectName(String domain,
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ContextResource resource)
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throws MalformedObjectNameException {
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ObjectName name = null;
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String quotedResourceName = ObjectName.quote(resource.getName());
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Object container =
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resource.getNamingResources().getContainer();
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if (container instanceof Server) {
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name = new ObjectName(domain + ":type=Resource" +
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",resourcetype=Global,class=" + resource.getType() +
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",name=" + quotedResourceName);
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} else if (container instanceof Context) {
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Context context = ((Context)container);
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ContextName cn = new ContextName(context.getName(), false);
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Container host = context.getParent();
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name = new ObjectName(domain + ":type=Resource" +
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",resourcetype=Context,host=" + host.getName() +
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",context=" + cn.getDisplayName() +
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",class=" + resource.getType() +
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",name=" + quotedResourceName);
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}
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return name;
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}
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/**
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* Create an <code>ObjectName</code> for this
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* <code>ContextResourceLink</code> object.
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*
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* @param domain Domain in which this name is to be created
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* @param resourceLink The ContextResourceLink to be named
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* @return a new object name
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* @exception MalformedObjectNameException if a name cannot be created
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*/
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public static ObjectName createObjectName(String domain,
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ContextResourceLink resourceLink)
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throws MalformedObjectNameException {
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ObjectName name = null;
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String quotedResourceLinkName
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= ObjectName.quote(resourceLink.getName());
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Object container =
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resourceLink.getNamingResources().getContainer();
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if (container instanceof Server) {
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name = new ObjectName(domain + ":type=ResourceLink" +
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",resourcetype=Global" +
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",name=" + quotedResourceLinkName);
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} else if (container instanceof Context) {
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Context context = ((Context)container);
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ContextName cn = new ContextName(context.getName(), false);
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Container host = context.getParent();
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name = new ObjectName(domain + ":type=ResourceLink" +
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",resourcetype=Context,host=" + host.getName() +
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",context=" + cn.getDisplayName() +
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",name=" + quotedResourceLinkName);
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}
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return name;
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}
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/**
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* Create an <code>ObjectName</code> for this
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* <code>Group</code> object.
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*
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* @param domain Domain in which this name is to be created
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* @param group The Group to be named
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* @return a new object name
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* @exception MalformedObjectNameException if a name cannot be created
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*/
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static ObjectName createObjectName(String domain,
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Group group)
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throws MalformedObjectNameException {
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ObjectName name = null;
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name = new ObjectName(domain + ":type=Group,groupname=" +
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ObjectName.quote(group.getGroupname()) +
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",database=" + group.getUserDatabase().getId());
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return name;
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}
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/**
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* Create an <code>ObjectName</code> for this
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* <code>Loader</code> object.
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*
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* @param domain Domain in which this name is to be created
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* @param loader The Loader to be named
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* @return a new object name
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* @exception MalformedObjectNameException if a name cannot be created
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*/
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static ObjectName createObjectName(String domain, Loader loader)
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throws MalformedObjectNameException {
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ObjectName name = null;
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Context context = loader.getContext();
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ContextName cn = new ContextName(context.getName(), false);
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Container host = context.getParent();
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name = new ObjectName(domain + ":type=Loader,host=" + host.getName() +
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",context=" + cn.getDisplayName());
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return name;
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}
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/**
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* Create an <code>ObjectName</code> for this
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* <code>Role</code> object.
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*
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* @param domain Domain in which this name is to be created
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* @param role The Role to be named
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* @return a new object name
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* @exception MalformedObjectNameException if a name cannot be created
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*/
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static ObjectName createObjectName(String domain, Role role)
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throws MalformedObjectNameException {
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ObjectName name = new ObjectName(domain + ":type=Role,rolename=" +
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ObjectName.quote(role.getRolename()) +
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",database=" + role.getUserDatabase().getId());
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return name;
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}
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/**
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* Create an <code>ObjectName</code> for this
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* <code>User</code> object.
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*
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* @param domain Domain in which this name is to be created
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* @param user The User to be named
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* @return a new object name
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* @exception MalformedObjectNameException if a name cannot be created
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*/
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static ObjectName createObjectName(String domain, User user)
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throws MalformedObjectNameException {
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ObjectName name = new ObjectName(domain + ":type=User,username=" +
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ObjectName.quote(user.getUsername()) +
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",database=" + user.getUserDatabase().getId());
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return name;
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}
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|
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/**
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* Create an <code>ObjectName</code> for this
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* <code>UserDatabase</code> object.
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*
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* @param domain Domain in which this name is to be created
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* @param userDatabase The UserDatabase to be named
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* @return a new object name
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* @exception MalformedObjectNameException if a name cannot be created
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*/
|
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static ObjectName createObjectName(String domain,
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UserDatabase userDatabase)
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throws MalformedObjectNameException {
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ObjectName name = null;
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name = new ObjectName(domain + ":type=UserDatabase,database=" +
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userDatabase.getId());
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return name;
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}
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|
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/**
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* Create and configure (if necessary) and return the registry of
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* managed object descriptions.
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* @return the singleton registry
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*/
|
|
public static synchronized Registry createRegistry() {
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if (registry == null) {
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registry = Registry.getRegistry(null, null);
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|
ClassLoader cl = MBeanUtils.class.getClassLoader();
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registry.loadDescriptors("org.apache.catalina.mbeans", cl);
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registry.loadDescriptors("org.apache.catalina.authenticator", cl);
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registry.loadDescriptors("org.apache.catalina.core", cl);
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registry.loadDescriptors("org.apache.catalina", cl);
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registry.loadDescriptors("org.apache.catalina.deploy", cl);
|
|
registry.loadDescriptors("org.apache.catalina.loader", cl);
|
|
registry.loadDescriptors("org.apache.catalina.realm", cl);
|
|
registry.loadDescriptors("org.apache.catalina.session", cl);
|
|
registry.loadDescriptors("org.apache.catalina.startup", cl);
|
|
registry.loadDescriptors("org.apache.catalina.users", cl);
|
|
registry.loadDescriptors("org.apache.catalina.ha", cl);
|
|
registry.loadDescriptors("org.apache.catalina.connector", cl);
|
|
registry.loadDescriptors("org.apache.catalina.valves", cl);
|
|
registry.loadDescriptors("org.apache.catalina.storeconfig", cl);
|
|
registry.loadDescriptors("org.apache.tomcat.util.descriptor.web", cl);
|
|
}
|
|
return registry;
|
|
}
|
|
|
|
|
|
/**
|
|
* Create and configure (if necessary) and return the
|
|
* <code>MBeanServer</code> with which we will be
|
|
* registering our <code>DynamicMBean</code> implementations.
|
|
* @return the singleton MBean server
|
|
*/
|
|
public static synchronized MBeanServer createServer() {
|
|
if (mserver == null) {
|
|
mserver = Registry.getRegistry(null, null).getMBeanServer();
|
|
}
|
|
return mserver;
|
|
}
|
|
|
|
|
|
/**
|
|
* 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);
|
|
if( mserver.isRegistered(oname) )
|
|
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 {
|
|
|
|
// If this is a user database resource need to destroy groups, roles,
|
|
// users and UserDatabase mbean
|
|
if ("org.apache.catalina.UserDatabase".equals(resource.getType())) {
|
|
destroyMBeanUserDatabase(resource.getName());
|
|
}
|
|
|
|
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);
|
|
if( mserver.isRegistered(oname ))
|
|
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);
|
|
if( mserver.isRegistered(oname) )
|
|
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
|
|
*/
|
|
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);
|
|
if( mserver.isRegistered(oname) )
|
|
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
|
|
*/
|
|
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);
|
|
if( mserver.isRegistered(oname) )
|
|
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
|
|
*/
|
|
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);
|
|
if( mserver.isRegistered(oname) )
|
|
mserver.unregisterMBean(oname);
|
|
|
|
}
|
|
|
|
|
|
/**
|
|
* Deregister the MBean for the
|
|
* <code>UserDatabase</code> object with this name.
|
|
*
|
|
* @param userDatabase The UserDatabase to be managed
|
|
*
|
|
* @exception Exception if an MBean cannot be deregistered
|
|
*/
|
|
static void destroyMBeanUserDatabase(String userDatabase)
|
|
throws Exception {
|
|
|
|
ObjectName query = null;
|
|
Set<ObjectName> results = null;
|
|
|
|
// Groups
|
|
query = new ObjectName(
|
|
"Users:type=Group,database=" + userDatabase + ",*");
|
|
results = mserver.queryNames(query, null);
|
|
for(ObjectName result : results) {
|
|
mserver.unregisterMBean(result);
|
|
}
|
|
|
|
// Roles
|
|
query = new ObjectName(
|
|
"Users:type=Role,database=" + userDatabase + ",*");
|
|
results = mserver.queryNames(query, null);
|
|
for(ObjectName result : results) {
|
|
mserver.unregisterMBean(result);
|
|
}
|
|
|
|
// Users
|
|
query = new ObjectName(
|
|
"Users:type=User,database=" + userDatabase + ",*");
|
|
results = mserver.queryNames(query, null);
|
|
for(ObjectName result : results) {
|
|
mserver.unregisterMBean(result);
|
|
}
|
|
|
|
// The database itself
|
|
ObjectName db = new ObjectName(
|
|
"Users:type=UserDatabase,database=" + userDatabase);
|
|
if( mserver.isRegistered(db) ) {
|
|
mserver.unregisterMBean(db);
|
|
}
|
|
}
|
|
}
|