org.apache.catalina.mbeans.MBeanFactory Maven / Gradle / Ivy
/*
* 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.io.File;
import java.net.InetAddress;
import javax.management.MBeanServer;
import javax.management.ObjectName;
import org.apache.catalina.Container;
import org.apache.catalina.Context;
import org.apache.catalina.Engine;
import org.apache.catalina.Host;
import org.apache.catalina.JmxEnabled;
import org.apache.catalina.Realm;
import org.apache.catalina.Server;
import org.apache.catalina.Service;
import org.apache.catalina.Valve;
import org.apache.catalina.connector.Connector;
import org.apache.catalina.core.StandardContext;
import org.apache.catalina.core.StandardEngine;
import org.apache.catalina.core.StandardHost;
import org.apache.catalina.core.StandardService;
import org.apache.catalina.loader.WebappLoader;
import org.apache.catalina.realm.DataSourceRealm;
import org.apache.catalina.realm.JNDIRealm;
import org.apache.catalina.realm.MemoryRealm;
import org.apache.catalina.realm.UserDatabaseRealm;
import org.apache.catalina.session.StandardManager;
import org.apache.catalina.startup.ContextConfig;
import org.apache.catalina.startup.HostConfig;
import org.apache.juli.logging.Log;
import org.apache.juli.logging.LogFactory;
import org.apache.tomcat.util.res.StringManager;
/**
* @author Amy Roh
*/
public class MBeanFactory {
private static final Log log = LogFactory.getLog(MBeanFactory.class);
protected static final StringManager sm = StringManager.getManager(MBeanFactory.class);
/**
* The MBeanServer for this application.
*/
private static final MBeanServer mserver = MBeanUtils.createServer();
// ------------------------------------------------------------- Attributes
/**
* The container (Server/Service) for which this factory was created.
*/
private Object container;
// ------------------------------------------------------------- Operations
/**
* Set the container that this factory was created for.
* @param container The associated container
*/
public void setContainer(Object container) {
this.container = container;
}
/**
* Little convenience method to remove redundant code
* when retrieving the path string
*
* @param t path string
* @return empty string if t==null || t.equals("/")
*/
private final String getPathStr(String t) {
if (t == null || t.equals("/")) {
return "";
}
return t;
}
/**
* Get Parent Container to add its child component
* from parent's ObjectName
*/
private Container getParentContainerFromParent(ObjectName pname)
throws Exception {
String type = pname.getKeyProperty("type");
String j2eeType = pname.getKeyProperty("j2eeType");
Service service = getService(pname);
StandardEngine engine = (StandardEngine) service.getContainer();
if ((j2eeType!=null) && (j2eeType.equals("WebModule"))) {
String name = pname.getKeyProperty("name");
name = name.substring(2);
int i = name.indexOf('/');
String hostName = name.substring(0,i);
String path = name.substring(i);
Container host = engine.findChild(hostName);
String pathStr = getPathStr(path);
Container context = host.findChild(pathStr);
return context;
} else if (type != null) {
if (type.equals("Engine")) {
return engine;
} else if (type.equals("Host")) {
String hostName = pname.getKeyProperty("host");
Container host = engine.findChild(hostName);
return host;
}
}
return null;
}
/**
* Get Parent ContainerBase to add its child component
* from child component's ObjectName as a String
*/
private Container getParentContainerFromChild(ObjectName oname)
throws Exception {
String hostName = oname.getKeyProperty("host");
String path = oname.getKeyProperty("path");
Service service = getService(oname);
Container engine = service.getContainer();
if (hostName == null) {
// child's container is Engine
return engine;
} else if (path == null) {
// child's container is Host
Container host = engine.findChild(hostName);
return host;
} else {
// child's container is Context
Container host = engine.findChild(hostName);
path = getPathStr(path);
Container context = host.findChild(path);
return context;
}
}
private Service getService(ObjectName oname) throws Exception {
if (container instanceof Service) {
// Don't bother checking the domain - this is the only option
return (Service) container;
}
StandardService service = null;
String domain = oname.getDomain();
if (container instanceof Server) {
Service[] services = ((Server)container).findServices();
for (Service value : services) {
service = (StandardService) value;
if (domain.equals(service.getObjectName().getDomain())) {
break;
}
}
}
if (service == null ||
!service.getObjectName().getDomain().equals(domain)) {
throw new Exception(sm.getString("mBeanFactory.noService", domain));
}
return service;
}
/**
* Create a new AjpConnector
*
* @param parent MBean Name of the associated parent component
* @param address The IP address on which to bind
* @param port TCP port number to listen on
* @return the object name of the created connector
*
* @exception Exception if an MBean cannot be created or registered
*/
public String createAjpConnector(String parent, String address, int port)
throws Exception {
return createConnector(parent, address, port, true, false);
}
/**
* Create a new DataSource Realm.
*
* @param parent MBean Name of the associated parent component
* @param dataSourceName the datasource name
* @param roleNameCol the column name for the role names
* @param userCredCol the column name for the user credentials
* @param userNameCol the column name for the user names
* @param userRoleTable the table name for the roles table
* @param userTable the table name for the users
* @return the object name of the created realm
* @exception Exception if an MBean cannot be created or registered
*/
public String createDataSourceRealm(String parent, String dataSourceName,
String roleNameCol, String userCredCol, String userNameCol,
String userRoleTable, String userTable) throws Exception {
// Create a new DataSourceRealm instance
DataSourceRealm realm = new DataSourceRealm();
realm.setDataSourceName(dataSourceName);
realm.setRoleNameCol(roleNameCol);
realm.setUserCredCol(userCredCol);
realm.setUserNameCol(userNameCol);
realm.setUserRoleTable(userRoleTable);
realm.setUserTable(userTable);
// Add the new instance to its parent component
return addRealmToParent(parent, realm);
}
private String addRealmToParent(String parent, Realm realm) throws Exception {
ObjectName pname = new ObjectName(parent);
Container container = getParentContainerFromParent(pname);
// Add the new instance to its parent component
container.setRealm(realm);
// Return the corresponding MBean name
ObjectName oname = null;
if (realm instanceof JmxEnabled) {
oname = ((JmxEnabled) realm).getObjectName();
}
if (oname != null) {
return oname.toString();
} else {
return null;
}
}
/**
* Create a new HttpConnector
*
* @param parent MBean Name of the associated parent component
* @param address The IP address on which to bind
* @param port TCP port number to listen on
* @return the object name of the created connector
*
* @exception Exception if an MBean cannot be created or registered
*/
public String createHttpConnector(String parent, String address, int port)
throws Exception {
return createConnector(parent, address, port, false, false);
}
/**
* Create a new Connector
*
* @param parent MBean Name of the associated parent component
* @param address The IP address on which to bind
* @param port TCP port number to listen on
* @param isAjp Create a AJP/1.3 Connector
* @param isSSL Create a secure Connector
*
* @exception Exception if an MBean cannot be created or registered
*/
private String createConnector(String parent, String address, int port, boolean isAjp, boolean isSSL)
throws Exception {
// Set the protocol in the constructor
String protocol = isAjp ? "AJP/1.3" : "HTTP/1.1";
Connector retobj = new Connector(protocol);
if ((address!=null) && (address.length()>0)) {
retobj.setProperty("address", address);
}
// Set port number
retobj.setPort(port);
// Set SSL
retobj.setSecure(isSSL);
retobj.setScheme(isSSL ? "https" : "http");
// Add the new instance to its parent component
// FIX ME - addConnector will fail
ObjectName pname = new ObjectName(parent);
Service service = getService(pname);
service.addConnector(retobj);
// Return the corresponding MBean name
ObjectName coname = retobj.getObjectName();
return coname.toString();
}
/**
* Create a new HttpsConnector
*
* @param parent MBean Name of the associated parent component
* @param address The IP address on which to bind
* @param port TCP port number to listen on
* @return the object name of the created connector
*
* @exception Exception if an MBean cannot be created or registered
*/
public String createHttpsConnector(String parent, String address, int port)
throws Exception {
return createConnector(parent, address, port, false, true);
}
/**
* Create a new JNDI Realm.
*
* @param parent MBean Name of the associated parent component
* @return the object name of the created realm
*
* @exception Exception if an MBean cannot be created or registered
*/
public String createJNDIRealm(String parent) throws Exception {
// Create a new JNDIRealm instance
JNDIRealm realm = new JNDIRealm();
// Add the new instance to its parent component
return addRealmToParent(parent, realm);
}
/**
* Create a new Memory Realm.
*
* @param parent MBean Name of the associated parent component
* @return the object name of the created realm
*
* @exception Exception if an MBean cannot be created or registered
*/
public String createMemoryRealm(String parent) throws Exception {
// Create a new MemoryRealm instance
MemoryRealm realm = new MemoryRealm();
// Add the new instance to its parent component
return addRealmToParent(parent, realm);
}
/**
* Create a new StandardContext.
*
* @param parent MBean Name of the associated parent component
* @param path The context path for this Context
* @param docBase Document base directory (or WAR) for this Context
* @return the object name of the created context
*
* @exception Exception if an MBean cannot be created or registered
*/
public String createStandardContext(String parent,
String path,
String docBase)
throws Exception {
return createStandardContext(parent, path, docBase, false, false);
}
/**
* Create a new StandardContext.
*
* @param parent MBean Name of the associated parent component
* @param path The context path for this Context
* @param docBase Document base directory (or WAR) for this Context
* @param xmlValidation if XML descriptors should be validated
* @param xmlNamespaceAware if the XML processor should namespace aware
* @return the object name of the created context
*
* @exception Exception if an MBean cannot be created or registered
*/
public String createStandardContext(String parent,
String path,
String docBase,
boolean xmlValidation,
boolean xmlNamespaceAware)
throws Exception {
// Create a new StandardContext instance
StandardContext context = new StandardContext();
path = getPathStr(path);
context.setPath(path);
context.setDocBase(docBase);
context.setXmlValidation(xmlValidation);
context.setXmlNamespaceAware(xmlNamespaceAware);
ContextConfig contextConfig = new ContextConfig();
context.addLifecycleListener(contextConfig);
// Add the new instance to its parent component
ObjectName pname = new ObjectName(parent);
ObjectName deployer = new ObjectName(pname.getDomain()+
":type=Deployer,host="+
pname.getKeyProperty("host"));
if(mserver.isRegistered(deployer)) {
String contextName = context.getName();
Boolean result = (Boolean) mserver.invoke(deployer, "tryAddServiced",
new Object [] {contextName},
new String [] {"java.lang.String"});
if (result.booleanValue()) {
try {
String configPath = (String)mserver.getAttribute(deployer, "configBaseName");
String baseName = context.getBaseName();
File configFile = new File(new File(configPath), baseName+".xml");
if (configFile.isFile()) {
context.setConfigFile(configFile.toURI().toURL());
}
mserver.invoke(deployer, "manageApp",
new Object[] {context},
new String[] {"org.apache.catalina.Context"});
} finally {
mserver.invoke(deployer, "removeServiced",
new Object [] {contextName},
new String [] {"java.lang.String"});
}
} else {
throw new IllegalStateException(sm.getString("mBeanFactory.contextCreate.addServicedFail", contextName));
}
} else {
log.warn(sm.getString("mBeanFactory.noDeployer", pname.getKeyProperty("host")));
Service service = getService(pname);
Engine engine = service.getContainer();
Host host = (Host) engine.findChild(pname.getKeyProperty("host"));
host.addChild(context);
}
// Return the corresponding MBean name
return context.getObjectName().toString();
}
/**
* Create a new StandardHost.
*
* @param parent MBean Name of the associated parent component
* @param name Unique name of this Host
* @param appBase Application base directory name
* @param autoDeploy Should we auto deploy?
* @param deployOnStartup Deploy on server startup?
* @param deployXML Should we deploy Context XML config files property?
* @param unpackWARs Should we unpack WARs when auto deploying?
* @return the object name of the created host
*
* @exception Exception if an MBean cannot be created or registered
*/
public String createStandardHost(String parent, String name,
String appBase,
boolean autoDeploy,
boolean deployOnStartup,
boolean deployXML,
boolean unpackWARs)
throws Exception {
// Create a new StandardHost instance
StandardHost host = new StandardHost();
host.setName(name);
host.setAppBase(appBase);
host.setAutoDeploy(autoDeploy);
host.setDeployOnStartup(deployOnStartup);
host.setDeployXML(deployXML);
host.setUnpackWARs(unpackWARs);
// add HostConfig for active reloading
HostConfig hostConfig = new HostConfig();
host.addLifecycleListener(hostConfig);
// Add the new instance to its parent component
ObjectName pname = new ObjectName(parent);
Service service = getService(pname);
Engine engine = service.getContainer();
engine.addChild(host);
// Return the corresponding MBean name
return host.getObjectName().toString();
}
/**
* Creates a new StandardService and StandardEngine.
*
* @param domain Domain name for the container instance
* @param defaultHost Name of the default host to be used in the Engine
* @param baseDir Base directory value for Engine
* @return the object name of the created service
*
* @exception Exception if an MBean cannot be created or registered
*/
public String createStandardServiceEngine(String domain,
String defaultHost, String baseDir) throws Exception{
if (!(container instanceof Server)) {
throw new Exception(sm.getString("mBeanFactory.notServer"));
}
StandardEngine engine = new StandardEngine();
engine.setDomain(domain);
engine.setName(domain);
engine.setDefaultHost(defaultHost);
Service service = new StandardService();
service.setContainer(engine);
service.setName(domain);
((Server) container).addService(service);
return engine.getObjectName().toString();
}
/**
* Create a new StandardManager.
*
* @param parent MBean Name of the associated parent component
* @return the object name of the created manager
*
* @exception Exception if an MBean cannot be created or registered
*/
public String createStandardManager(String parent)
throws Exception {
// Create a new StandardManager instance
StandardManager manager = new StandardManager();
// Add the new instance to its parent component
ObjectName pname = new ObjectName(parent);
Container container = getParentContainerFromParent(pname);
if (container instanceof Context) {
((Context) container).setManager(manager);
} else {
throw new Exception(sm.getString("mBeanFactory.managerContext"));
}
ObjectName oname = manager.getObjectName();
if (oname != null) {
return oname.toString();
} else {
return null;
}
}
/**
* Create a new UserDatabaseRealm.
*
* @param parent MBean Name of the associated parent component
* @param resourceName Global JNDI resource name of the associated
* UserDatabase
* @return the object name of the created realm
*
* @exception Exception if an MBean cannot be created or registered
*/
public String createUserDatabaseRealm(String parent, String resourceName)
throws Exception {
// Create a new UserDatabaseRealm instance
UserDatabaseRealm realm = new UserDatabaseRealm();
realm.setResourceName(resourceName);
// Add the new instance to its parent component
return addRealmToParent(parent, realm);
}
/**
* Create a new Valve and associate it with a {@link Container}.
*
* @param className The fully qualified class name of the {@link Valve} to
* create
* @param parent The MBean name of the associated parent
* {@link Container}.
*
* @return The MBean name of the {@link Valve} that was created or
* null if the {@link Valve} does not implement
* {@link JmxEnabled}.
* @exception Exception if an MBean cannot be created or registered
*/
public String createValve(String className, String parent)
throws Exception {
// Look for the parent
ObjectName parentName = new ObjectName(parent);
Container container = getParentContainerFromParent(parentName);
if (container == null) {
// TODO
throw new IllegalArgumentException();
}
Valve valve = (Valve) Class.forName(className).getConstructor().newInstance();
container.getPipeline().addValve(valve);
if (valve instanceof JmxEnabled) {
return ((JmxEnabled) valve).getObjectName().toString();
} else {
return null;
}
}
/**
* Create a new Web Application Loader.
*
* @param parent MBean Name of the associated parent component
* @return the object name of the created loader
*
* @exception Exception if an MBean cannot be created or registered
*/
public String createWebappLoader(String parent)
throws Exception {
// Create a new WebappLoader instance
WebappLoader loader = new WebappLoader();
// Add the new instance to its parent component
ObjectName pname = new ObjectName(parent);
Container container = getParentContainerFromParent(pname);
if (container instanceof Context) {
((Context) container).setLoader(loader);
}
// FIXME add Loader.getObjectName
//ObjectName oname = loader.getObjectName();
ObjectName oname =
MBeanUtils.createObjectName(pname.getDomain(), loader);
return oname.toString();
}
/**
* Remove an existing Connector.
*
* @param name MBean Name of the component to remove
*
* @exception Exception if a component cannot be removed
*/
public void removeConnector(String name) throws Exception {
// Acquire a reference to the component to be removed
ObjectName oname = new ObjectName(name);
Service service = getService(oname);
String port = oname.getKeyProperty("port");
String address = oname.getKeyProperty("address");
if (address != null) {
address = ObjectName.unquote(address);
}
Connector conns[] = service.findConnectors();
for (Connector conn : conns) {
String connAddress = null;
Object objConnAddress = conn.getProperty("address");
if (objConnAddress != null) {
connAddress = ((InetAddress) objConnAddress).getHostAddress();
}
String connPort = "" + conn.getPortWithOffset();
if (address == null) {
// Don't combine this with outer if or we could get an NPE in
// 'else if' below
if (connAddress == null && port.equals(connPort)) {
service.removeConnector(conn);
conn.destroy();
break;
}
}
else if (address.equals(connAddress) && port.equals(connPort)) {
service.removeConnector(conn);
conn.destroy();
break;
}
}
}
/**
* Remove an existing Context.
*
* @param contextName MBean Name of the component to remove
*
* @exception Exception if a component cannot be removed
*/
public void removeContext(String contextName) throws Exception {
// Acquire a reference to the component to be removed
ObjectName oname = new ObjectName(contextName);
String domain = oname.getDomain();
StandardService service = (StandardService) getService(oname);
Engine engine = service.getContainer();
String name = oname.getKeyProperty("name");
name = name.substring(2);
int i = name.indexOf('/');
String hostName = name.substring(0,i);
String path = name.substring(i);
ObjectName deployer = new ObjectName(domain+":type=Deployer,host="+
hostName);
String pathStr = getPathStr(path);
if(mserver.isRegistered(deployer)) {
Boolean result = (Boolean) mserver.invoke(deployer,"tryAddServiced",
new Object[]{pathStr},
new String[] {"java.lang.String"});
if (result.booleanValue()) {
try {
mserver.invoke(deployer,"unmanageApp",
new Object[] {pathStr},
new String[] {"java.lang.String"});
} finally {
mserver.invoke(deployer,"removeServiced",
new Object[] {pathStr},
new String[] {"java.lang.String"});
}
} else {
throw new IllegalStateException(sm.getString("mBeanFactory.removeContext.addServicedFail", pathStr));
}
} else {
log.warn(sm.getString("mBeanFactory.noDeployer", hostName));
Host host = (Host) engine.findChild(hostName);
Context context = (Context) host.findChild(pathStr);
// Remove this component from its parent component
host.removeChild(context);
if(context instanceof StandardContext) {
try {
context.destroy();
} catch (Exception e) {
log.warn(sm.getString("mBeanFactory.contextDestroyError"), e);
}
}
}
}
/**
* Remove an existing Host.
*
* @param name MBean Name of the component to remove
*
* @exception Exception if a component cannot be removed
*/
public void removeHost(String name) throws Exception {
// Acquire a reference to the component to be removed
ObjectName oname = new ObjectName(name);
String hostName = oname.getKeyProperty("host");
Service service = getService(oname);
Engine engine = service.getContainer();
Host host = (Host) engine.findChild(hostName);
// Remove this component from its parent component
if(host!=null) {
engine.removeChild(host);
}
}
/**
* Remove an existing Loader.
*
* @param name MBean Name of the component to remove
*
* @exception Exception if a component cannot be removed
*/
public void removeLoader(String name) throws Exception {
ObjectName oname = new ObjectName(name);
// Acquire a reference to the component to be removed
Container container = getParentContainerFromChild(oname);
if (container instanceof Context) {
((Context) container).setLoader(null);
}
}
/**
* Remove an existing Manager.
*
* @param name MBean Name of the component to remove
*
* @exception Exception if a component cannot be removed
*/
public void removeManager(String name) throws Exception {
ObjectName oname = new ObjectName(name);
// Acquire a reference to the component to be removed
Container container = getParentContainerFromChild(oname);
if (container instanceof Context) {
((Context) container).setManager(null);
}
}
/**
* Remove an existing Realm.
*
* @param name MBean Name of the component to remove
*
* @exception Exception if a component cannot be removed
*/
public void removeRealm(String name) throws Exception {
ObjectName oname = new ObjectName(name);
// Acquire a reference to the component to be removed
Container container = getParentContainerFromChild(oname);
container.setRealm(null);
}
/**
* Remove an existing Service.
*
* @param name MBean Name of the component to remove
*
* @exception Exception if a component cannot be removed
*/
public void removeService(String name) throws Exception {
if (!(container instanceof Server)) {
throw new Exception();
}
// Acquire a reference to the component to be removed
ObjectName oname = new ObjectName(name);
Service service = getService(oname);
((Server) container).removeService(service);
}
/**
* Remove an existing Valve.
*
* @param name MBean Name of the component to remove
*
* @exception Exception if a component cannot be removed
*/
public void removeValve(String name) throws Exception {
// Acquire a reference to the component to be removed
ObjectName oname = new ObjectName(name);
Container container = getParentContainerFromChild(oname);
Valve[] valves = container.getPipeline().getValves();
for (Valve valve : valves) {
ObjectName voname = ((JmxEnabled) valve).getObjectName();
if (voname.equals(oname)) {
container.getPipeline().removeValve(valve);
}
}
}
}
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