Package com.ensea_chatapp_tcp.Client

Class TCPClient

java.lang.Object

com.ensea_chatapp_tcp.Client.TCPClient

public class TCPClient
extends Object

This is a class to implement a TCP Client needed to connect to the chat TCP server

The class takes two optional command line arguments: the first argument is the server ip address, and the second argument is server ip address. In the case that the address or ports are absent, the localhost is the default address and 8439 is the default port.

Usage: java com.ensea_chatapp_tcp.Client.TCPClient

Usage: java com.ensea_chatapp_tcp.Client.TCPClient server_ip

Usage: java com.ensea_chatapp_tcp.Client.TCPClient server_ip server_port

Constructor Summary

Constructors

Constructor	Description
TCPClient()
TCPClient(String host)
TCPClient(String host, int port)

Method Summary

Modifier and Type	Method	Description
void	asynchronous_fetch(DataFetchHandler handler)	Start a thread in order to fetch the data from server asynchronously.
String	fetch_data()	Try to fetch data
void	launch()
static void	main(String[] args)
void	send_data(String dataStr)	send String data to Server
void	synchronous_send_and_fetch()	send data read from console to server and fetch the data available from server synchronously The function will continue fetch sending/fetching cycle infinitely

Methods inherited from class java.lang.Object

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

Constructor Details

TCPClient

public TCPClient()

TCPClient

public TCPClient(String host)

TCPClient

public TCPClient(String host,
 int port)

Method Details

main

public static void main(String[] args)
                 throws IOException

Throws:

IOException

launch

public void launch()
            throws IOException

Throws:

IOException

synchronous_send_and_fetch

public void synchronous_send_and_fetch()

send data read from console to server and fetch the data available from server synchronously The function will continue fetch sending/fetching cycle infinitely

asynchronous_fetch

public void asynchronous_fetch(DataFetchHandler handler)

Start a thread in order to fetch the data from server asynchronously. The thread will continue fetch infinitely

Parameters:

handler - The handler invoked when a data is available. The handler must take 1 argument as fetched data

fetch_data

public String fetch_data()
                  throws IOException

Try to fetch data

Returns:

if there is data available, it will return it as String, otherwise it will return null

Throws:

IOException

send_data

public void send_data(String dataStr)
               throws IOException

send String data to Server

Parameters:

dataStr - The data which will be sent to Server

Throws:

IOException