mbeanutils.txt

这是最详细的对Tomcat4以上版本的解析。

        Object container = 
                resourceLink.getNamingResources().getContainer();
        if (container instanceof Server) {        
            name = new ObjectName(domain + ":type=ResourceLink" +
                        ",resourcetype=Global" + 
                        ",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() +
                        ",name=" + encodedResourceLinkName);
        } 
        return (name);

    }
    
    
       public static ObjectName createObjectName(String domain,
                                              Engine engine)
        throws MalformedObjectNameException {

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

    }

    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);

    }


        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 + ":service="+service.getName()+
                      ",host=" +
                              host.getName());
        return (name);

    }


        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 + ":service=" +service.getName()+
              ",engine="+container.getName()+",type=Loader");
        } else if (container instanceof Host) {
            Engine engine = (Engine) container.getParent();
            Service service = engine.getService();
            name = new ObjectName(domain + ":service="+service.getName()+
                       ",host=" +container.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 + ":service="+service.getName()+
              ",host=" + host.getName()+           
              ",context_path="+path+",type=Loader");
        } 
        return (name);
    }


      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 + ":service=" +
                              service.getName()+",type=Logger");
        } else if (container instanceof Host) {
            Engine engine = (Engine) container.getParent();
            Service service = engine.getService();
            name = new ObjectName(domain + ":service="+service.getName()+
                       ",host="+container.getName()+",type=Logger");
        } 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 + ":service="+service.getName()+
                      ",host=" + host.getName() +
                      ",context_path=" + path +",type=Logger");
        }
        return (name);
    }


       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 + ":service=" +
                              service.getName()+",type=Manager");
        } else if (container instanceof Host) {
            Engine engine = (Engine) container.getParent();
            Service service = engine.getService();
            name = new ObjectName(domain + ":service="+service.getName()+
                       ",host="+container.getName()+",type=Manager");
        } 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 + ":service="+service.getName()+
                        ",host=" + host.getName()+
                        ",context_path="+ path +",type=Manager");
                              
        } 
        return (name);

    }
    
    
      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());
        }         
        return (name);

    }


      public static ObjectName createObjectName(String domain,
                                              MBeanFactory factory)
        throws MalformedObjectNameException {

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

        return (name);

    }

    
       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 + ":service="+service.getName()+
                        ",type=Realm");
        } else if (container instanceof Host) {
            Engine engine = (Engine) container.getParent();
            Service service = engine.getService();
            name = new ObjectName(domain + ":service="+service.getName()+
                    ",host="+container.getName() +",type=Realm" );
        } 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 + ":service="+service.getName()+
                ",host=" + host.getName() +
                      ",context_path=" + path +",type=Realm");
        }
        return (name);
    }


       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);

    }


        public static ObjectName createObjectName(String domain,
                                              Server server)
        throws MalformedObjectNameException {

        ObjectName name = null;
        name = new ObjectName(domain + ":server=TomcatServer");
        return (name);

    }


        public static ObjectName createObjectName(String domain,
                                              Service service)
        throws MalformedObjectNameException {

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

    }

    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);

    }

    public static ObjectName createObjectName(String domain,
                                              UserDatabase userDatabase)
        throws MalformedObjectNameException {

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

    }


       public static ObjectName createObjectName(String domain,
                                              Valve valve)
        throws MalformedObjectNameException {

        ObjectName name = null;
        Container container = null;
        if( valve instanceof Contained ) {
            container = ((Contained)valve).getContainer();
        }
        if( container == null ) {
            throw new MalformedObjectNameException(
                               "Cannot create mbean for non-contained valve " +
                               valve);
        }

        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);

    }

       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);
        }

    }