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/*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership.
* The ASF licenses this file to You under the Apache License, Version 2.0
* (the "License"); you may not use this file except in compliance with
* the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.apache.catalina.mbeans;
import java.util.Hashtable;
import java.util.Set;
import javax.management.DynamicMBean;
import javax.management.MBeanException;
import javax.management.MBeanServer;
import javax.management.MalformedObjectNameException;
import javax.management.ObjectName;
import org.apache.catalina.Contained;
import org.apache.catalina.Container;
import org.apache.catalina.Context;
import org.apache.catalina.Engine;
import org.apache.catalina.Group;
import org.apache.catalina.Host;
import org.apache.catalina.Loader;
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.Wrapper;
import org.apache.catalina.connector.Connector;
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.util.ContextName;
import org.apache.catalina.valves.ValveBase;
import org.apache.coyote.ProtocolHandler;
import org.apache.coyote.ajp.AjpAprProtocol;
import org.apache.coyote.ajp.AjpProtocol;
import org.apache.coyote.http11.Http11AprProtocol;
import org.apache.coyote.http11.Http11NioProtocol;
import org.apache.coyote.http11.Http11Protocol;
import org.apache.tomcat.util.ExceptionUtils;
import org.apache.tomcat.util.IntrospectionUtils;
import org.apache.tomcat.util.modeler.ManagedBean;
import org.apache.tomcat.util.modeler.Registry;
/**
* Public utility methods in support of the server side MBeans implementation.
*
* @author Craig R. McClanahan
* @author Amy Roh
* @version $Id: MBeanUtils.java 1043105 2010-12-07 15:42:32Z markt $
*/
public class MBeanUtils {
// ------------------------------------------------------- Static Variables
/**
* The set of exceptions to the normal rules used by
* createManagedBean(). The first element of each pair
* is a class name, and the second element is the managed bean name.
*/
private static String exceptions[][] = {
{ "org.apache.catalina.users.MemoryGroup",
"Group" },
{ "org.apache.catalina.users.MemoryRole",
"Role" },
{ "org.apache.catalina.users.MemoryUser",
"User" },
};
/**
* The configuration information registry for our managed beans.
*/
private static Registry registry = createRegistry();
/**
* The MBeanServer for this application.
*/
private static MBeanServer mserver = createServer();
// --------------------------------------------------------- Static Methods
/**
* Create and return the name of the ManagedBean that
* corresponds to this Catalina component.
*
* @param component The component for which to create a name
*/
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
* ContextEnvironment object.
*
* @param environment The ContextEnvironment to be managed
*
* @exception Exception if an MBean cannot be created or registered
*/
static DynamicMBean 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();
DynamicMBean mbean = managed.createMBean(environment);
ObjectName oname = createObjectName(domain, environment);
if( mserver.isRegistered( oname )) {
mserver.unregisterMBean(oname);
}
mserver.registerMBean(mbean, oname);
return (mbean);
}
/**
* Create, register, and return an MBean for this
* ContextResource object.
*
* @param resource The ContextResource to be managed
*
* @exception Exception if an MBean cannot be created or registered
*/
static DynamicMBean 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();
DynamicMBean mbean = managed.createMBean(resource);
ObjectName oname = createObjectName(domain, resource);
if( mserver.isRegistered( oname )) {
mserver.unregisterMBean(oname);
}
mserver.registerMBean(mbean, oname);
return (mbean);
}
/**
* Create, register, and return an MBean for this
* ContextResourceLink object.
*
* @param resourceLink The ContextResourceLink to be managed
*
* @exception Exception if an MBean cannot be created or registered
*/
static DynamicMBean 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();
DynamicMBean mbean = managed.createMBean(resourceLink);
ObjectName oname = createObjectName(domain, resourceLink);
if( mserver.isRegistered( oname )) {
mserver.unregisterMBean(oname);
}
mserver.registerMBean(mbean, oname);
return (mbean);
}
/**
* Create, register, and return an MBean for this
* Group object.
*
* @param group The Group to be managed
*
* @exception Exception if an MBean cannot be created or registered
*/
static DynamicMBean 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();
DynamicMBean mbean = managed.createMBean(group);
ObjectName oname = createObjectName(domain, group);
if( mserver.isRegistered( oname )) {
mserver.unregisterMBean(oname);
}
mserver.registerMBean(mbean, oname);
return (mbean);
}
/**
* Create, register, and return an MBean for this
* Loader object.
*
* @param loader The Loader to be managed
*
* @exception Exception if an MBean cannot be created or registered
*/
static DynamicMBean 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();
DynamicMBean mbean = managed.createMBean(loader);
ObjectName oname = createObjectName(domain, loader);
if( mserver.isRegistered( oname )) {
// side effect: stop it
mserver.unregisterMBean( oname );
}
mserver.registerMBean(mbean, oname);
return (mbean);
}
/**
* Create, register, and return an MBean for this
* MBeanFactory object.
*
* @param factory The MBeanFactory to be managed
*
* @exception Exception if an MBean cannot be created or registered
*/
static DynamicMBean 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();
DynamicMBean mbean = managed.createMBean(factory);
ObjectName oname = createObjectName(domain, factory);
if( mserver.isRegistered(oname )) {
mserver.unregisterMBean(oname);
}
mserver.registerMBean(mbean, oname);
return (mbean);
}
/**
* Create, register, and return an MBean for this
* NamingResources object.
*
* @param resource The NamingResources to be managed
*
* @exception Exception if an MBean cannot be created or registered
*/
static DynamicMBean 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();
DynamicMBean mbean = managed.createMBean(resource);
ObjectName oname = createObjectName(domain, resource);
if( mserver.isRegistered( oname )) {
mserver.unregisterMBean(oname);
}
mserver.registerMBean(mbean, oname);
return (mbean);
}
/**
* Create, register, and return an MBean for this
* Role object.
*
* @param role The Role to be managed
*
* @exception Exception if an MBean cannot be created or registered
*/
static DynamicMBean 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();
DynamicMBean mbean = managed.createMBean(role);
ObjectName oname = createObjectName(domain, role);
if( mserver.isRegistered( oname )) {
mserver.unregisterMBean(oname);
}
mserver.registerMBean(mbean, oname);
return (mbean);
}
/**
* Create, register, and return an MBean for this
* User object.
*
* @param user The User to be managed
*
* @exception Exception if an MBean cannot be created or registered
*/
static DynamicMBean 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();
DynamicMBean mbean = managed.createMBean(user);
ObjectName oname = createObjectName(domain, user);
if( mserver.isRegistered( oname )) {
mserver.unregisterMBean(oname);
}
mserver.registerMBean(mbean, oname);
return (mbean);
}
/**
* Create, register, and return an MBean for this
* UserDatabase object.
*
* @param userDatabase The UserDatabase to be managed
*
* @exception Exception if an MBean cannot be created or registered
*/
static DynamicMBean 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();
DynamicMBean mbean = managed.createMBean(userDatabase);
ObjectName oname = createObjectName(domain, userDatabase);
if( mserver.isRegistered( oname )) {
mserver.unregisterMBean(oname);
}
mserver.registerMBean(mbean, oname);
return (mbean);
}
/**
* Create an ObjectName for this
* Connector 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
*/
static ObjectName createObjectName(String domain,
Connector connector)
throws MalformedObjectNameException {
ObjectName name = null;
try {
Object addressObj = IntrospectionUtils.getProperty(connector, "address");
Integer port = (Integer)
IntrospectionUtils.getProperty(connector, "port");
StringBuilder sb = new StringBuilder(domain);
sb.append(":type=Connector");
sb.append(",port=");
sb.append(port);
if (addressObj != null) {
String address = addressObj.toString();
if (address.length() > 0) {
sb.append(",address=");
sb.append(ObjectName.quote(address));
}
}
name = new ObjectName(sb.toString());
return (name);
} catch (Exception e) {
MalformedObjectNameException mone =
new MalformedObjectNameException
("Cannot create object name for " + connector);
mone.initCause(e);
throw mone;
}
}
/**
* Create an ObjectName for this
* Context 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
*/
static ObjectName createObjectName(String domain,
Context context)
throws MalformedObjectNameException {
ObjectName name = null;
Host host = (Host)context.getParent();
ContextName cn = new ContextName(context.getName());
name = new ObjectName(domain + ":j2eeType=WebModule,name=//" +
host.getName()+ cn.getDisplayName() +
",J2EEApplication=none,J2EEServer=none");
return (name);
}
/**
* Create an ObjectName for this
* Service object.
*
* @param domain Domain in which this name is to be created
* @param environment 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) {
Context context = ((Context)container);
ContextName cn = new ContextName(context.getName());
Container host = context.getParent();
name = new ObjectName(domain + ":type=Environment" +
",resourcetype=Context,context=" + cn.getDisplayName() +
",host=" + host.getName() +
",name=" + environment.getName());
}
return (name);
}
/**
* Create an ObjectName for this
* ContextResource 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 quotedResourceName = ObjectName.quote(resource.getName());
Object container =
resource.getNamingResources().getContainer();
if (container instanceof Server) {
name = new ObjectName(domain + ":type=Resource" +
",resourcetype=Global,class=" + resource.getType() +
",name=" + quotedResourceName);
} else if (container instanceof Context) {
Context context = ((Context)container);
ContextName cn = new ContextName(context.getName());
Container host = context.getParent();
name = new ObjectName(domain + ":type=Resource" +
",resourcetype=Context,context=" + cn.getDisplayName() +
",host=" + host.getName() +
",class=" + resource.getType() +
",name=" + quotedResourceName);
}
return (name);
}
/**
* Create an ObjectName for this
* ContextResourceLink 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 quotedResourceLinkName
= ObjectName.quote(resourceLink.getName());
Object container =
resourceLink.getNamingResources().getContainer();
if (container instanceof Server) {
name = new ObjectName(domain + ":type=ResourceLink" +
",resourcetype=Global" +
",name=" + quotedResourceLinkName);
} else if (container instanceof Context) {
Context context = ((Context)container);
ContextName cn = new ContextName(context.getName());
Container host = context.getParent();
name = new ObjectName(domain + ":type=ResourceLink" +
",resourcetype=Context,context=" + cn.getDisplayName() +
",host=" + host.getName() +
",name=" + quotedResourceLinkName);
}
return (name);
}
/**
* Create an ObjectName for this
* Engine 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
*/
static ObjectName createObjectName(String domain,
@SuppressWarnings("unused") Engine engine)
throws MalformedObjectNameException {
ObjectName name = null;
name = new ObjectName(domain + ":type=Engine");
return (name);
}
/**
* Create an ObjectName for this
* Group 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
*/
static ObjectName createObjectName(String domain,
Group group)
throws MalformedObjectNameException {
ObjectName name = null;
name = new ObjectName(domain + ":type=Group,groupname=" +
ObjectName.quote(group.getGroupname()) +
",database=" + group.getUserDatabase().getId());
return (name);
}
/**
* Create an ObjectName for this
* Host 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
*/
static ObjectName createObjectName(String domain,
Host host)
throws MalformedObjectNameException {
ObjectName name = null;
name = new ObjectName(domain + ":type=Host,host=" +
host.getName());
return (name);
}
/**
* Create an ObjectName for this
* Loader 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
*/
static ObjectName createObjectName(String domain,
Loader loader)
throws MalformedObjectNameException {
ObjectName name = null;
Container container = loader.getContainer();
if (container instanceof Engine) {
name = new ObjectName(domain + ":type=Loader");
} else if (container instanceof Host) {
name = new ObjectName(domain + ":type=Loader,host=" +
container.getName());
} else if (container instanceof Context) {
Context context = ((Context)container);
ContextName cn = new ContextName(context.getName());
Container host = context.getParent();
name = new ObjectName(domain + ":type=Loader,context=" +
cn.getDisplayName() + ",host=" + host.getName());
}
return (name);
}
/**
* Create an ObjectName for this
* Manager 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
*/
static ObjectName createObjectName(String domain,
Manager manager)
throws MalformedObjectNameException {
ObjectName name = null;
Container container = manager.getContainer();
if (container instanceof Engine) {
name = new ObjectName(domain + ":type=Manager");
} else if (container instanceof Host) {
name = new ObjectName(domain + ":type=Manager,host=" +
container.getName());
} else if (container instanceof Context) {
Context context = ((Context)container);
ContextName cn = new ContextName(context.getName());
Container host = context.getParent();
name = new ObjectName(domain + ":type=Manager,context=" +
cn.getDisplayName() + ",host=" + host.getName());
}
return (name);
}
/**
* Create an ObjectName for this
* Server 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
*/
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) {
Context context = ((Context)container);
ContextName cn = new ContextName(context.getName());
Container host = context.getParent();
name = new ObjectName(domain + ":type=NamingResources" +
",resourcetype=Context,context=" + cn.getDisplayName() +
",host=" + host.getName());
}
return (name);
}
/**
* Create an ObjectName for this
* MBeanFactory 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
*/
static ObjectName createObjectName(String domain,
@SuppressWarnings("unused") MBeanFactory factory)
throws MalformedObjectNameException {
ObjectName name = new ObjectName(domain + ":type=MBeanFactory");
return (name);
}
/**
* Create an ObjectName for this
* Realm 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
*/
static ObjectName createObjectName(String domain,
Realm realm)
throws MalformedObjectNameException {
ObjectName name = null;
Container container = realm.getContainer();
if (container instanceof Engine) {
name = new ObjectName(domain + ":type=Realm");
} else if (container instanceof Host) {
name = new ObjectName(domain + ":type=Realm,host=" +
container.getName());
} else if (container instanceof Context) {
Context context = ((Context)container);
ContextName cn = new ContextName(context.getName());
Container host = context.getParent();
name = new ObjectName(domain + ":type=Realm,context=" +
cn.getDisplayName() + ",host=" + host.getName());
}
return (name);
}
/**
* Create an ObjectName for this
* Role 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
*/
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 ObjectName for this
* Server 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
*/
static ObjectName createObjectName(String domain,
@SuppressWarnings("unused") Server server)
throws MalformedObjectNameException {
ObjectName name = null;
name = new ObjectName(domain + ":type=Server");
return (name);
}
/**
* Create an ObjectName for this
* Service 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
*/
static ObjectName createObjectName(String domain,
Service service)
throws MalformedObjectNameException {
ObjectName name = null;
name = new ObjectName(domain + ":type=Service,serviceName=" +
service.getName());
return (name);
}
/**
* Create an ObjectName for this
* User 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
*/
static ObjectName createObjectName(String domain,
User user)
throws MalformedObjectNameException {
ObjectName name = null;
name = new ObjectName(domain + ":type=User,username=" +
ObjectName.quote(user.getUsername())
+ ",database=" + user.getUserDatabase().getId());
return (name);
}
/**
* Create an ObjectName for this
* UserDatabase 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
*/
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 ObjectName for this
* Valve 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
*/
static ObjectName createObjectName(String domain,
Valve valve)
throws MalformedObjectNameException {
if( valve instanceof ValveBase ) {
ObjectName name=((ValveBase)valve).getObjectName();
if( name != null )
return name;
}
ObjectName name = null;
Container container = null;
String className=valve.getClass().getName();
int period = className.lastIndexOf('.');
if (period >= 0)
className = className.substring(period + 1);
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) {
String local="";
int seq = getSeq(local);
String ext="";
if( seq > 0 ) {
ext=",seq=" + seq;
}
name = new ObjectName(domain + ":type=Valve,name=" + className +
ext + local );
} else if (container instanceof Host) {
String local=",host=" +container.getName();
int seq = getSeq(local);
String ext="";
if( seq > 0 ) {
ext=",seq=" + seq;
}
name = new ObjectName(domain + ":type=Valve,name=" + className +
ext + local );
} else if (container instanceof Context) {
Context context = ((Context)container);
ContextName cn = new ContextName(context.getName());
Container host = context.getParent();
String local=",context=" + cn.getDisplayName() + ",host=" +
host.getName();
int seq = getSeq(local);
String ext="";
if( seq > 0 ) {
ext=",seq=" + seq;
}
name = new ObjectName(domain + ":type=Valve,name=" + className +
ext + local );
}
return (name);
}
static Hashtable seq = new Hashtable();
static int getSeq( String key ) {
int i[]=seq.get( key );
if (i == null ) {
i=new int[1];
i[0]=0;
seq.put( key, i);
} else {
i[0]++;
}
return i[0];
}
/**
* Create and configure (if necessary) and return the registry of
* managed object descriptions.
*/
public static synchronized Registry createRegistry() {
if (registry == null) {
registry = Registry.getRegistry(null, null);
ClassLoader cl=ServerLifecycleListener.class.getClassLoader();
registry.loadDescriptors("org.apache.catalina.mbeans", cl);
registry.loadDescriptors("org.apache.catalina.authenticator", cl);
registry.loadDescriptors("org.apache.catalina.core", cl);
registry.loadDescriptors("org.apache.catalina", cl);
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);
}
return (registry);
}
/**
* Create and configure (if necessary) and return the
* MBeanServer with which we will be
* registering our DynamicMBean implementations.
*/
public static synchronized MBeanServer createServer() {
if (mserver == null) {
try {
mserver = Registry.getRegistry(null, null).getMBeanServer();
} catch (Throwable t) {
ExceptionUtils.handleThrowable(t);
t.printStackTrace(System.out);
System.exit(1);
}
}
return (mserver);
}
/**
* Deregister the MBean for this
* Connector object.
*
* @param connector The Connector to be managed
*
* @exception Exception if an MBean cannot be deregistered
*/
static void destroyMBean(Connector connector, Service service)
throws Exception {
// domain is engine name
String domain = service.getContainer().getName();
if (domain == null)
domain = mserver.getDefaultDomain();
ObjectName oname = createObjectName(domain, connector);
connector.setService(null);
if( mserver.isRegistered( oname )) {
mserver.unregisterMBean(oname);
}
// Unregister associated request processor
String worker = null;
ProtocolHandler handler = connector.getProtocolHandler();
if (handler instanceof Http11Protocol) {
worker = ((Http11Protocol)handler).getName();
} else if (handler instanceof Http11NioProtocol) {
worker = ((Http11NioProtocol)handler).getName();
} else if (handler instanceof Http11AprProtocol) {
worker = ((Http11AprProtocol)handler).getName();
} else if (handler instanceof AjpProtocol) {
worker = ((AjpProtocol)handler).getName();
} else if (handler instanceof AjpAprProtocol) {
worker = ((AjpAprProtocol)handler).getName();
}
ObjectName query = new ObjectName(
domain + ":type=RequestProcessor,worker=" + worker + ",*");
Set results = mserver.queryNames(query, null);
for(ObjectName result : results) {
mserver.unregisterMBean(result);
}
}
/**
* Deregister the MBean for this
* Context object.
*
* @param context The Context to be managed
*
* @exception Exception if an MBean cannot be deregistered
*/
static void destroyMBean(Context context)
throws Exception {
String domain = context.getParent().getParent().getName();
if (domain == null)
domain = mserver.getDefaultDomain();
ObjectName oname = createObjectName(domain, context);
if( mserver.isRegistered(oname) )
mserver.unregisterMBean(oname);
}
/**
* Deregister the MBean for this
* ContextEnvironment object.
*
* @param environment The ContextEnvironment to be managed
*
* @exception Exception if an MBean cannot be deregistered
*/
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
* ContextResource object.
*
* @param resource The ContextResource to be managed
*
* @exception Exception if an MBean cannot be deregistered
*/
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
* ContextResourceLink object.
*
* @param resourceLink The ContextResourceLink to be managed
*
* @exception Exception if an MBean cannot be deregistered
*/
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
* Engine object.
*
* @param engine The Engine to be managed
*
* @exception Exception if an MBean cannot be deregistered
*/
static void destroyMBean(Engine engine)
throws Exception {
String domain = engine.getName();
if (domain == null)
domain = mserver.getDefaultDomain();
ObjectName oname = createObjectName(domain, engine);
if( mserver.isRegistered(oname) )
mserver.unregisterMBean(oname);
}
/**
* Deregister the MBean for this
* Group 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
* Host object.
*
* @param host The Host to be managed
*
* @exception Exception if an MBean cannot be deregistered
*/
static void destroyMBean(Host host)
throws Exception {
String domain = host.getParent().getName();
if (domain == null)
domain = mserver.getDefaultDomain();
ObjectName oname = createObjectName(domain, host);
if( mserver.isRegistered(oname) )
mserver.unregisterMBean(oname);
}
/**
* Deregister the MBean for this
* Loader object.
*
* @param loader The Loader to be managed
*
* @exception Exception if an MBean cannot be deregistered
*/
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);
if( mserver.isRegistered(oname) )
mserver.unregisterMBean(oname);
}
/**
* Deregister the MBean for this
* Manager object.
*
* @param manager The Manager to be managed
*
* @exception Exception if an MBean cannot be deregistered
*/
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);
if( mserver.isRegistered(oname) )
mserver.unregisterMBean(oname);
}
/**
* Deregister the MBean for this
* NamingResources object.
*
* @param resources The NamingResources to be managed
*
* @exception Exception if an MBean cannot be deregistered
*/
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);
if( mserver.isRegistered(oname) )
mserver.unregisterMBean(oname);
}
/**
* Deregister the MBean for this
* Realm object.
*
* @param realm The Realm to be managed
*
* @exception Exception if an MBean cannot be deregistered
*/
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);
if( mserver.isRegistered(oname) )
mserver.unregisterMBean(oname);
}
/**
* Deregister the MBean for this
* Role 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
* Server object.
*
* @param server The Server to be managed
*
* @exception Exception if an MBean cannot be deregistered
*/
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);
if( mserver.isRegistered(oname) )
mserver.unregisterMBean(oname);
// Global String cache - fixed name
oname = new ObjectName("Catalina:type=StringCache");
if( mserver.isRegistered(oname) )
mserver.unregisterMBean(oname);
// MBean Factory - fixed name
oname = new ObjectName("Catalina:type=MBeanFactory");
if( mserver.isRegistered(oname) )
mserver.unregisterMBean(oname);
}
/**
* Deregister the MBean for this
* Service object.
*
* @param service The Service to be managed
*
* @exception Exception if an MBean cannot be deregistered
*/
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);
if( mserver.isRegistered(oname) )
mserver.unregisterMBean(oname);
}
/**
* Deregister the MBean for this
* User 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 this
* UserDatabase object.
*
* @param userDatabase The UserDatabase to be managed
*
* @exception Exception if an MBean cannot be deregistered
*/
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);
if( mserver.isRegistered(oname) )
mserver.unregisterMBean(oname);
}
/**
* Deregister the MBean for the
* UserDatabase 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 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);
mserver.unregisterMBean(db);
}
/**
* Deregister the MBean for this
* Valve object.
*
* @param valve The Valve to be managed
*
* @exception Exception if an MBean cannot be deregistered
*/
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) {
ExceptionUtils.handleThrowable(t);
}
if( mserver.isRegistered(oname) ) {
mserver.unregisterMBean(oname);
}
}
/**
* Determine the name of the domain to register MBeans for from a given
* Service.
*
* @param service
*/
public static String getDomain(Service service) {
// Null service -> return null
if (service == null) {
return null;
}
String domain = null;
Container engine = service.getContainer();
// Use the engine name first
if (engine != null) {
domain = engine.getName();
}
// No engine or no engine name, use the service name
if (domain == null) {
domain = service.getName();
}
// No service name, use null
return domain;
}
/**
* Determine the name of the domain to register MBeans for from a given
* Container.
*
* @param container
*/
public static String getDomain(Container container) {
String domain = null;
Container c = container;
while (!(c instanceof Engine) && c != null) {
c = c.getParent();
}
if (c instanceof Engine) {
domain = c.getName();
}
return domain;
}
/**
* Calculate the key properties string to be added to an object's
* {@link ObjectName} to indicate that it is associated with that container.
*
* @param container The container the object is associated with
* @return A string suitable for appending to the ObjectName
*/
public static String getContainerKeyProperties(Container container) {
Container c = container;
StringBuilder keyProperties = new StringBuilder();
int containerCount = 0;
// Work up container hierarchy, add a component to the name for
// each container
while (!(c instanceof Engine)) {
if (c instanceof Wrapper) {
keyProperties.append(",servlet=");
keyProperties.append(c.getName());
} else if (c instanceof Context) {
keyProperties.append(",context=");
ContextName cn = new ContextName(c.getName());
keyProperties.append(cn.getDisplayName());
} else if (c instanceof Host) {
keyProperties.append(",host=");
keyProperties.append(c.getName());
} else if (c == null) {
// May happen in unit testing and/or some embedding scenarios
keyProperties.append(",container");
keyProperties.append(containerCount++);
keyProperties.append("=null");
break;
} else {
// Should never happen...
keyProperties.append(",container");
keyProperties.append(containerCount++);
keyProperties.append('=');
keyProperties.append(c.getName());
}
c = c.getParent();
}
return keyProperties.toString();
}
}
