keepalive.apps
Class Client

java.lang.Object
  |
  +--keepalive.apps.App
        |
        +--keepalive.apps.Client

public class Client

extends keepalive.apps.App

A Client application. Can run with simulated sockets or real TCP/IP sockets.

Constructor Summary

Client(java.lang.String serverName)
Start the client application.

Method Summary

protected void	connect(AbstractSocket sock) Using the socket, create Input and Output objects, hook the Input and Output objects into their UIs, start the Keep-Alive, and then wait for the Input/Output to finish (i.e.
protected KeepAliveUI	createUI() Create the user interface
KeepAliveUI	getKeepAliveUI() Accessor method.
Receiver	getReceiver() Accessor method.
Sender	getSender() Accessor method.
protected boolean	isServerSide() Indicates that this application is a client application.
static void	main(java.lang.String[] args) Run the Client application with real TCP/IP sockets.
void	openConnectionToServer() Connect to the server.
protected void	setKeepAliveUI(KeepAliveUI keepAliveUI) Mutator method.
java.lang.String	toString()

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait

Constructor Detail

Client

public Client(java.lang.String serverName)

Start the client application.

Parameters:

serverName - Name of server host to which we will connect.

Method Detail

createUI

protected KeepAliveUI createUI()

Create the user interface

Overrides:

createUI in class keepalive.apps.App

Returns:

the user interface.

openConnectionToServer

public void openConnectionToServer()

Connect to the server.

toString

public java.lang.String toString()

Overrides:

toString in class java.lang.Object

isServerSide

protected boolean isServerSide()

Indicates that this application is a client application. Abstract in superclass.

Overrides:

isServerSide in class keepalive.apps.App

Returns:

false to indicate that this is a client application.

main

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

Run the Client application with real TCP/IP sockets.

Parameters:

args - command line arguments; use -help to get usage description.

Throws:

java.io.IOException - if an I/O error occurs.

connect

protected void connect(AbstractSocket sock)

Using the socket, create Input and Output objects, hook the Input and Output objects into their UIs, start the Keep-Alive, and then wait for the Input/Output to finish (i.e. for the application to finish).

Parameters:

sock - Socket with which we connect to the other side.

getSender

public Sender getSender()

Accessor method.

Returns:

The Sender through which this object sends messages. May return null.

getReceiver

public Receiver getReceiver()

Accessor method.

Returns:

The Receiver through which this object receives messages. May be null.

setKeepAliveUI

protected void setKeepAliveUI(KeepAliveUI keepAliveUI)

Mutator method.

Parameters:

keepAliveUI - the user interface associated with this application.

getKeepAliveUI

public KeepAliveUI getKeepAliveUI()

Accessor method.

Returns:

the user interface associated with this application.