edu.trinity.cs.bmassing.rmi
Class ChatPartyImpl

java.lang.Object
  java.rmi.server.RemoteObject
      java.rmi.server.RemoteServer
          java.rmi.server.UnicastRemoteObject
              edu.trinity.cs.bmassing.rmi.ChatPartyImpl

All Implemented Interfaces:

ChatParty, java.io.Serializable, java.rmi.Remote

Direct Known Subclasses:

ChatClientImpl, ChatServerImpl

public abstract class ChatPartyImpl
extends java.rmi.server.UnicastRemoteObject
implements ChatParty

Class for participants in simple chat application. This class contains code common to server and clients. All parties maintain a list of clients.

See Also:

Serialized Form

Field Summary

protected java.util.List<ChatClient>	clients
static java.lang.String	errorPrefix Prefix for error messages.
static java.lang.String	serverPrefix Prefix for messages from server.

Fields inherited from class java.rmi.server.RemoteObject

ref

Constructor Summary

ChatPartyImpl()
Constructs object.

Method Summary

void	addClient(ChatClient c) Adds client.
void	broadcast(java.lang.String message) Sends message to all clients.
abstract java.lang.String	getMessagePrefix() Gets prefix for messages broadcast by this object.
void	removeClient(ChatClient c) Removes client.

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

Methods inherited from interface edu.trinity.cs.bmassing.rmi.ChatParty

display

Field Detail

clients

protected java.util.List<ChatClient> clients

serverPrefix

public static final java.lang.String serverPrefix

Prefix for messages from server.

See Also:

Constant Field Values

errorPrefix

public static final java.lang.String errorPrefix

Prefix for error messages.

See Also:

Constant Field Values

Constructor Detail

ChatPartyImpl

public ChatPartyImpl()
              throws java.rmi.RemoteException

Constructs object.

Throws:

java.rmi.RemoteException

Method Detail

addClient

public void addClient(ChatClient c)
               throws java.rmi.RemoteException

Adds client.

Specified by:

addClient in interface ChatParty

Parameters:

c - client to add

Throws:

java.rmi.RemoteException

removeClient

public void removeClient(ChatClient c)
                  throws java.rmi.RemoteException

Removes client.

Specified by:

removeClient in interface ChatParty

Parameters:

c - client to remove

Throws:

java.rmi.RemoteException

broadcast

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

Sends message to all clients.

Specified by:

broadcast in interface ChatParty

Parameters:

message - message to send to all

Throws:

java.rmi.RemoteException

getMessagePrefix

public abstract java.lang.String getMessagePrefix()

Gets prefix for messages broadcast by this object.

Returns:

prefix for messages (screen name for clients, e.g.)