public class

CorbaUtils

extends Object
java.lang.Object
   ↳ com.sun.jndi.toolkit.corba.CorbaUtils

Class Overview

Contains utilities for performing CORBA-related tasks: 1. Get the org.omg.CORBA.Object for a java.rmi.Remote object. 2. Create an ORB to use for a given host/port, and environment properties.

Summary

Public Constructors
CorbaUtils()
Public Methods
static ORB getOrb(String server, int port, Hashtable env)
Get ORB using given server and port number, and properties from environment.
static Object remoteToCorba(Remote remoteObj, ORB orb)
Returns the CORBA object reference associated with a Remote object by using the javax.rmi.CORBA package.
[Expand]
Inherited Methods
From class java.lang.Object

Public Constructors

public CorbaUtils ()

Public Methods

public static ORB getOrb (String server, int port, Hashtable env)

Get ORB using given server and port number, and properties from environment.

Parameters
server Possibly null server; if null means use default; For applet, it is the applet host; for app, it is localhost.
port Port number, -1 means default port
env Possibly null environment. Contains environment properties. Could contain ORB itself; or applet used for initializing ORB. Use all String properties from env for initializing ORB
Returns
  • A non-null ORB.

public static Object remoteToCorba (Remote remoteObj, ORB orb)

Returns the CORBA object reference associated with a Remote object by using the javax.rmi.CORBA package.

Use reflection to avoid hard dependencies on javax.rmi.CORBA package. This method effective does the following: 

 java.lang.Object stub;
 try {
     stub = PortableRemoteObject.toStub(remoteObj);
 } catch (Exception e) {
     throw new ConfigurationException("Object not exported or not found");
 }
 if (!(stub instanceof javax.rmi.CORBA.Stub)) {
     return null; // JRMP impl or JRMP stub
 }
 try {
     ((javax.rmi.CORBA.Stub)stub).connect(orb);  // try to connect IIOP stub
 } catch (RemoteException e) {
     // ignore 'already connected' error
 }
 return (javax.rmi.CORBA.Stub)stub;
Parameters
remoteObj The non-null remote object for
orb The non-null ORB to connect the remote object to
Returns
  • The CORBA Object for remoteObj; null if remoteObj is a JRMP implementation or JRMP stub.
Throws
ClassNotFoundException The RMI-IIOP package is not available
ConfigurationException The CORBA Object cannot be obtained because of configuration problems.