Class socket.TelnetIO 
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Class socket.TelnetIO 

java.lang.Object
   |
   +----socket.TelnetIO
public class TelnetIO
extends Object
implements StatusPeer
Implements simple telnet io
Version:
$Id: TelnetIO.java,v 1.10 1998/02/09 10:22:18 leo Exp $
Author:
Matthias L. Jugel, Marcus Meißner

Variable Index

o IAC
IAC - init sequence for telnet negotiation.
o IACSB
o IACSE
o TELOPT_AUTHENTICATION
Telnet option: Authentication
o TELQUAL_IS
Telnet option qualifier 'IS'
o TELQUAL_NAME
Telnet option qualifier 'NAME'
o TELQUAL_REPLY
Telnet option qualifier 'REPLY'
o TELQUAL_SEND
Telnet option qualifier 'SEND'

Constructor Index

o TelnetIO()

Method Index

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

Variables

o IAC 
  public final static byte IAC
IAC - init sequence for telnet negotiation.
o TELOPT_AUTHENTICATION 
  public final static byte TELOPT_AUTHENTICATION
Telnet option: Authentication
o IACSB 
  public final static byte IACSB[]
o IACSE 
  public final static byte IACSE[]
o TELQUAL_IS 
  public final static byte TELQUAL_IS
Telnet option qualifier 'IS'
o TELQUAL_SEND 
  public final static byte TELQUAL_SEND
Telnet option qualifier 'SEND'
o TELQUAL_REPLY 
  public final static byte TELQUAL_REPLY
Telnet option qualifier 'REPLY'
o TELQUAL_NAME 
  public final static byte TELQUAL_NAME
Telnet option qualifier 'NAME'

Constructors

o TelnetIO 
  public TelnetIO()

Methods

o toString 
  public String toString()
Return the version of TelnetIO.
Overrides:
toString in class Object
o connect 
  public void connect(String address,
                      int port) throws IOException
Connect to the remote host at the specified port.
Parameters:
address - the symbolic host address
port - the numeric port
See Also:
disconnect
o disconnect 
  public void disconnect() throws IOException
Disconnect from remote host.
See Also:
connect
o connect 
  public void connect(String address) throws IOException
Connect to the remote host at the default telnet port (23).
Parameters:
address - the symbolic host address
o setPeer 
  public void setPeer(StatusPeer obj)
Set the object to be notified about current status.
Parameters:
obj - object to be notified.
o available 
  public int available() throws 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: IOException
on problems with the socket connection
o receive 
  public byte[] receive() throws IOException
Read data from the remote host. Blocks until data is available. Returns an array of bytes.
See Also:
send
o send 
  public void send(byte buf[]) throws IOException
Send data to the remote host.
Parameters:
buf - array of bytes to send
See Also:
receive
o send 
  public void send(byte b) throws IOException
o notifyStatus 
  public Object notifyStatus(Vector status)
Notify about current telnet status. This method is called top-down.
Parameters:
status - contains status information 
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