/*
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER.
*
* Copyright 1997-2007 Sun Microsystems, Inc. All rights reserved.
*
* The contents of this file are subject to the terms of either the GNU
* General Public License Version 2 only ("GPL") or the Common Development
* and Distribution License("CDDL") (collectively, the "License"). You
* may not use this file except in compliance with the License. You can obtain
* a copy of the License at https://glassfish.dev.java.net/public/CDDL+GPL.html
* or glassfish/bootstrap/legal/LICENSE.txt. See the License for the specific
* language governing permissions and limitations under the License.
*
* When distributing the software, include this License Header Notice in each
* file and include the License file at glassfish/bootstrap/legal/LICENSE.txt.
* Sun designates this particular file as subject to the "Classpath" exception
* as provided by Sun in the GPL Version 2 section of the License file that
* accompanied this code. If applicable, add the following below the License
* Header, with the fields enclosed by brackets [] replaced by your own
* identifying information: "Portions Copyrighted [year]
* [name of copyright owner]"
*
* Contributor(s):
*
* If you wish your version of this file to be governed by only the CDDL or
* only the GPL Version 2, indicate your decision by adding "[Contributor]
* elects to include this software in this distribution under the [CDDL or GPL
* Version 2] license." If you don't indicate a single choice of license, a
* recipient has the option to distribute your version of this file under
* either the CDDL, the GPL Version 2 or to extend the choice of license to
* its licensees as provided above. However, if you add GPL Version 2 code
* and therefore, elected the GPL Version 2 license, then the option applies
* only if the new code is made subject to such option by the copyright
* holder.
*/
package com.sun.enterprise.management.agent;
import java.util.Hashtable;
import java.rmi.RemoteException;
import javax.rmi.PortableRemoteObject;
import javax.naming.Context;
import javax.naming.InitialContext;
import javax.management.j2ee.*;
import javax.management.*;
//import com.sun.enterprise.util.ORBManager; //TBD SRI
/**
* ListenerRegistry provides an implementation of ListenerRegistration
* This implementation creates instances of RemoteListenerConnectors which
* are registered on the MEJB on behalf of the local listener.
*
* @author Hans Hrasna
*/
public class ListenerRegistry implements ListenerRegistration {
private Hashtable listenerConnectors = new Hashtable();
private String OMG_ORB_INIT_PORT_PROPERTY = "org.omg.CORBA.ORBInitialPort";
private String serverAddress; // the hostname or ip address of the server
private Management server;
private boolean debug = false;
public ListenerRegistry(String ip) {
serverAddress = ip;
}
/**
* Add a listener to a registered managed object.
*
* @param name The name of the managed object on which the listener should be added.
* @param listener The listener object which will handle the notifications emitted by the registered managed object.
* @param filter The filter object. If filter is null, no filtering will be performed before handling notifications.
* @param handback The context to be sent to the listener when a notification is emitted.
*
* @exception InstanceNotFoundException The managed object name provided does not match any of the registered managed objects.
*
*/
public void addNotificationListener(ObjectName name, NotificationListener listener, NotificationFilter filter, Object handback)
throws RemoteException {
String proxyAddress = EventListenerProxy.getEventListenerProxy().getProxyAddress();
try {
if(debug)System.out.println("ListenerRegistry:addNotificationListener(" + listener + ") to " + name);
RemoteListenerConnector connector = new RemoteListenerConnector(proxyAddress);
getMEJBUtility().addNotificationListener(name, connector, filter, connector.getId());
EventListenerProxy.getEventListenerProxy().addListener(connector.getId(), listener, handback);
listenerConnectors.put(listener, connector);
} catch (javax.management.InstanceNotFoundException inf) {
throw new java.rmi.RemoteException(inf.getMessage(), inf);
}
}
/**
* Remove a listener from a registered managed object.
*
* @param name The name of the managed object on which the listener should be removed.
* @param listener The listener object which will handle the notifications emitted by the registered managed object.
* This method will remove all the information related to this listener.
*
* @exception InstanceNotFoundException The managed object name provided does not match any of the registered managed objects.
* @exception ListenerNotFoundException The listener is not registered in the managed object.
*/
public void removeNotificationListener(ObjectName name, NotificationListener listener)
throws RemoteException {
EventListenerProxy proxy = EventListenerProxy.getEventListenerProxy();
try {
if(debug) {
System.out.println("removeNotificationListener: " + listener);
System.out.println("listenerProxy = " + listenerConnectors.get(((RemoteListenerConnector)listener).getId()));
}
RemoteListenerConnector connector = ((RemoteListenerConnector)listenerConnectors.get(listener));
getMEJBUtility().removeNotificationListener(name, connector);
proxy.removeListener(connector.getId());
listenerConnectors.remove(listener);
} catch (javax.management.InstanceNotFoundException inf) {
throw new java.rmi.RemoteException(inf.getMessage(), inf);
} catch (javax.management.ListenerNotFoundException lnf) {
throw new java.rmi.RemoteException(lnf.getMessage(), lnf);
}
}
MEJBUtility getMEJBUtility(){
return MEJBUtility.getMEJBUtility();
}
Management getMEJB() throws RemoteException {
if(server == null) {
try {
Context ic = new InitialContext();
String ejbName = System.getProperty("mejb.name","ejb/mgmt/MEJB");
java.lang.Object objref = ic.lookup(ejbName);
ManagementHome home = (ManagementHome)PortableRemoteObject.narrow(objref, ManagementHome.class);
server = (Management)home.create();
} catch (Exception ex) {
ex.printStackTrace();
}
}
/*if (server == null) {
try {
Context ic = new InitialContext();
String mejbJNDIName = System.getProperty("mejb.name","ejb/mgmt/MEJB");
String initialPort = System.getProperty(OMG_ORB_INIT_PORT_PROPERTY);
if (initialPort == null)
initialPort = String.valueOf(ORBManager.getORBInitialPort());
String corbaName = "corbaname:iiop:" + serverAddress + ":" + initialPort + "#" + mejbJNDIName;
java.lang.Object objref = ic.lookup(corbaName);
ManagementHome home = (ManagementHome)PortableRemoteObject.narrow(objref, ManagementHome.class);
server = (MEJB)home.create();
if (debug) System.out.println("ListenerRegistry connected to: " + corbaName);
} catch (RemoteException re) {
throw re;
} catch (Exception e) {
throw new RemoteException(e.getMessage(), e);
}
}*/
return server;
}
}
|