sk.fiit.jim.agent.communication

Class Communication

java.lang.Object

sk.fiit.jim.agent.communication.Communication

public class Communication
extends Object

Communication.java Class implements the low-level communication with the server - receives and delivers messages. Settings for the class are changed in ./scripts/config/settings.rb

Field Summary

Fields

Modifier and Type	Field and Description
(package private) byte[]	buffer
private static String	BYE
private DataInputStream	input
private static Communication	instance
(package private) StringBuilder	outMessageBuffer
private DataOutputStream	output
private Parser	parser
(package private) Integer	port
(package private) String	serverIp
(package private) Socket	socket

Constructor Summary

Constructors

Constructor and Description
Communication()

Method Summary

Methods

Modifier and Type	Method and Description
void	addToMessage(String message)
static Communication	getInstance() Returns an instance of this singleton class
private void	handshake()
private void	mainLoop()
private String	receive()
private void	registerSayingByeOnExit()
void	setPort(Integer port)
void	setServerIp(String serverIp)
void	start() Start of communication.
private void	transmit(String what)

Methods inherited from class java.lang.Object

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

Field Detail

BYE

private static final String BYE

See Also:

Constant Field Values

buffer

byte[] buffer

socket

Socket socket

serverIp

String serverIp

port

Integer port

outMessageBuffer

StringBuilder outMessageBuffer

instance

private static Communication instance

input

private DataInputStream input

output

private DataOutputStream output

parser

private Parser parser

Constructor Detail

Communication

public Communication()

Method Detail

getInstance

public static Communication getInstance()

Returns an instance of this singleton class

start

public void start()
           throws UnknownHostException,
                  IOException

Start of communication. Firstly it attempts to connect to server, then sets input and output streams.

Throws:

UnknownHostException

IOException

registerSayingByeOnExit

private void registerSayingByeOnExit()

mainLoop

private void mainLoop()
               throws IOException

Throws:

IOException

handshake

private void handshake()
                throws IOException

Throws:

IOException

addToMessage

public void addToMessage(String message)

transmit

private void transmit(String what)
               throws IOException

Throws:

IOException

receive

private String receive()
                throws IOException

Throws:

IOException

setServerIp

public void setServerIp(String serverIp)

setPort

public void setPort(Integer port)