org.jrd.backend.communication

Class Communicate

java.lang.Object

org.jrd.backend.communication.Communicate

public class Communicate
extends java.lang.Object

This class opens a socket and contain methods for read and write to socket IS/OS.

Field Summary

Fields

Modifier and Type	Field and Description
private java.io.BufferedReader	commInput
private java.io.BufferedWriter	commOutput
private java.net.Socket	commSocket
static java.lang.String	DEFAULT_ADDRESS

Constructor Summary

Constructors

Constructor and Description
Communicate(java.lang.String host, int port) Constructor creates a socket on given port and saves the streams into class variables.

Method Summary

Modifier and Type	Method and Description
void	close() Closes a socket.
void	println(java.lang.String line) Sends a line with request to agent.
java.lang.String	readResponse() Method that reads agent's response.

Methods inherited from class java.lang.Object

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

Field Detail

commSocket

private java.net.Socket commSocket

commInput

private java.io.BufferedReader commInput

commOutput

private java.io.BufferedWriter commOutput

DEFAULT_ADDRESS

public static final java.lang.String DEFAULT_ADDRESS

See Also:

Constant Field Values

Constructor Detail

Communicate

public Communicate(java.lang.String host,
                   int port)

Constructor creates a socket on given port and saves the streams into class variables.

Parameters:

host - host name

port - port where we open the socket

Method Detail

close

public void close()

Closes a socket.

readResponse

public java.lang.String readResponse()

Method that reads agent's response.

Returns:

"ERROR" in case of fail or corresponding bytes or class names

println

public void println(java.lang.String line)
             throws java.io.IOException

Sends a line with request to agent.

Parameters:

line - "CLASSES" or "BYTES className"

Throws:

java.io.IOException - if the write operation fails