org.sadun.util
Class TelnetNVTChannel

java.lang.Object
  java.io.InputStream
      java.io.FilterInputStream
          org.sadun.util.TelnetInputStream
              org.sadun.util.TelnetNVTChannel

public class TelnetNVTChannel

extends TelnetInputStream

A telnet input stream to implement a Telnet NVT (Network Virtual Terminal) communication over a couple of paired input and output streams.

The class simply registers a org.sadun.util.TelnetInputStream.BasicNVTListner into a TelnetInputStream to handle DO and WILL commands rejecting every option.

Further handling of specific Telnet commands can be added by registering additional telnet command listeners with registerCommandListener().

A TelnetNVTChannel can be wrapped into a TelnetInputStreamConsumer to add input-consumption functionality.

Version:

1.0

Author:

Cristiano Sadun

Nested Class Summary

Nested classes inherited from class org.sadun.util.TelnetInputStream

TelnetInputStream.BasicNVTListener, TelnetInputStream.TelnetCommand, TelnetInputStream.TelnetCommandListener

Field Summary

Fields inherited from class org.sadun.util.TelnetInputStream

AO, AYT, BREAK, DM, DO, DONT, EC, EL, GA, IAC, IP, NOP, SB, SE, WILL, WONT

Fields inherited from class java.io.FilterInputStream

in

Constructor Summary

TelnetNVTChannel(java.io.InputStream is, java.io.OutputStream os)
Create an instance on a couple of paired streams.

TelnetNVTChannel(java.net.Socket s)
Create an instance over a socket connected to a TELNET host.

Methods inherited from class org.sadun.util.TelnetInputStream

commandHandled, getCommands, getDebugStream, read, registerTelnetCommandListener, removeTelnetCommandListener, setDebugStream

Methods inherited from class java.io.FilterInputStream

available, close, mark, markSupported, read, read, reset, skip

Methods inherited from class java.lang.Object

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

Constructor Detail

TelnetNVTChannel

public TelnetNVTChannel(java.net.Socket s)
                 throws java.io.IOException

Create an instance over a socket connected to a TELNET host.

Parameters:

s - the connected socket

Throws:

java.io.IOException - if a problem arises obtaining the input/output streams of the socket

TelnetNVTChannel

public TelnetNVTChannel(java.io.InputStream is,
                        java.io.OutputStream os)

Create an instance on a couple of paired streams.

Parameters:

is - the stream on which the telnet input is read

os - the stream on which the telnet output is written