rmiServer
Class Server

java.lang.Object
  java.rmi.server.RemoteObject
      java.rmi.server.RemoteServer
          java.rmi.server.UnicastRemoteObject
              rmiServer.Server

All Implemented Interfaces:

java.io.Serializable, java.rmi.Remote, ServerInterface

public class Server
extends java.rmi.server.UnicastRemoteObject
implements ServerInterface

This class will publish its service on the rmiregistery. the service methods available are listed in ServerInterface.java an instance of the server will contain an array of 50 remote stubs of clients represented as ChatObjectInterface.

See Also:

Serialized Form

Field Summary

Fields inherited from class java.rmi.server.RemoteObject

ref

Constructor Summary

Server()
constructor. creats a server for chat application

Method Summary

void	connect(java.lang.String name, ChatObjectInterface c) Implements the remote server method connect() that clients can use to connect to the server.It passes to the server the clients own remoter interface so that server can send messeges to this client.on successful registrations sends a welcome message to the user.
void	disconnect(ChatObjectInterface c) a remote method that a client can use to tell the server that it is quiting the chat service.
static void	main(java.lang.String[] args) The application launch point.
void	send(java.lang.String message) This method is called by a remote client to send a string messege to all the other chat users.It specifically crawls through the servers client list and send the messege to all valid clients through the cleint remote interface
void	stopServer() Called by the server to tell all clients that it is shutting down the service.

Methods inherited from class java.rmi.server.UnicastRemoteObject

clone, exportObject, exportObject, exportObject, unexportObject

Methods inherited from class java.rmi.server.RemoteServer

getClientHost, getLog, setLog

Methods inherited from class java.rmi.server.RemoteObject

equals, getRef, hashCode, toString, toStub

Methods inherited from class java.lang.Object

finalize, getClass, notify, notifyAll, wait, wait, wait

Constructor Detail

Server

public Server()
       throws java.rmi.RemoteException

constructor. creats a server for chat application

Throws:

java.rmi.RemoteException

Method Detail

connect

public void connect(java.lang.String name,
                    ChatObjectInterface c)
             throws java.rmi.RemoteException

Implements the remote server method connect() that clients can use to connect to the server.It passes to the server the clients own remoter interface so that server can send messeges to this client.on successful registrations sends a welcome message to the user.

Specified by:

connect in interface ServerInterface

Parameters:

name - String could be used to enforce unique nickname for each user

c - ChatObjectInterface

Throws:

java.rmi.RemoteException

send

public void send(java.lang.String message)
          throws java.rmi.RemoteException

This method is called by a remote client to send a string messege to all the other chat users.It specifically crawls through the servers client list and send the messege to all valid clients through the cleint remote interface

Specified by:

send in interface ServerInterface

Parameters:

message - String

Throws:

java.rmi.RemoteException

disconnect

public void disconnect(ChatObjectInterface c)
                throws java.rmi.RemoteException

a remote method that a client can use to tell the server that it is quiting the chat service. It just removes th clients remote interface from the servers list of client.

Specified by:

disconnect in interface ServerInterface

Parameters:

c - ChatObjectInterface of the client who wants to exit ther service

Throws:

java.rmi.RemoteException

stopServer

public void stopServer()

Called by the server to tell all clients that it is shutting down the service. It is not strictly necessary but makes the application stop more gracefully.

main

public static void main(java.lang.String[] args)

The application launch point. It creats an instance of this class, registers itself as RMICHAT and opens a simple control panel containins a switch toshut down this server. It takes no arguments.