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Class TelnetIO

java.lang.Object
  |
  +--socket.TelnetIO

public class TelnetIO

extends java.lang.Object

implements StatusPeer

Implements simple telnet io

Version:

$Id: TelnetIO.html,v 1.1.1.1 2005/09/25 22:40:20 rswindell Exp $

Author:

Matthias L. Jugel, Marcus Meißner

Constructor Summary

TelnetIO()

Method Summary

int	available() Returns bytes available to be read.
void	connect(java.lang.String address) Connect to the remote host at the default telnet port (23).
void	connect(java.lang.String address, int port) Connect to the remote host at the specified port.
void	disconnect() Disconnect from remote host.
java.lang.Object	notifyStatus(java.util.Vector status) Notify about current telnet status.
byte[]	receive() Read data from the remote host.
void	send(byte b)
void	send(byte[] buf) Send data to the remote host.
void	setPeer(StatusPeer obj) Set the object to be notified about current status.
java.lang.String	toString() Return the version of TelnetIO.

Methods inherited from class java.lang.Object

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

Constructor Detail

TelnetIO

public TelnetIO()

Method Detail

toString

public java.lang.String toString()

Return the version of TelnetIO.

Overrides:

toString in class java.lang.Object

connect

public void connect(java.lang.String address,
                    int port)
             throws java.io.IOException

Connect to the remote host at the specified port.

Parameters:

address - the symbolic host address

port - the numeric port

See Also:

disconnect()

disconnect

public void disconnect()
                throws java.io.IOException

Disconnect from remote host.

See Also:

connect(java.lang.String, int)

connect

public void connect(java.lang.String address)
             throws java.io.IOException

Connect to the remote host at the default telnet port (23).

Parameters:

address - the symbolic host address

setPeer

public void setPeer(StatusPeer obj)

Set the object to be notified about current status.

Parameters:

obj - object to be notified.

available

public int available()
              throws java.io.IOException

Returns bytes available to be read. Since they haven't been negotiated over, this could be misleading. Most useful as a boolean value - "are any bytes available" - rather than as an exact count of "how many ara available."

Throws:

java.io.IOException - on problems with the socket connection

receive

public byte[] receive()
               throws java.io.IOException

Read data from the remote host. Blocks until data is available. Returns an array of bytes.

See Also:

send(byte[])

send

public void send(byte[] buf)
          throws java.io.IOException

Send data to the remote host.

Parameters:

buf - array of bytes to send

See Also:

receive()

send

public void send(byte b)
          throws java.io.IOException

notifyStatus

public java.lang.Object notifyStatus(java.util.Vector status)

Notify about current telnet status. This method is called top-down.

Specified by:

notifyStatus in interface StatusPeer

Parameters:

status - contains status information