de.mud.telnet

Class TelnetWrapper

java.lang.Object

de.mud.jta.Wrapper

de.mud.telnet.TelnetWrapper

public class TelnetWrapper
extends Wrapper

The telnet wrapper is a sample class for how to use the telnet protocol handler of the JTA source package. To write a program using the wrapper you may use the following piece of code as an example:

   TelnetWrapper telnet = new TelnetWrapper();
   try {
     telnet.connect(args[0], 23);
     telnet.login("user", "password");
     telnet.setPrompt("user@host");
     telnet.waitfor("Terminal type?");
     telnet.send("dumb");
     System.out.println(telnet.send("ls -l"));
   } catch(java.io.IOException e) {
     e.printStackTrace();
   }
 

Please keep in mind that the password is visible for anyone who can download the class file. So use this only for public accounts or if you are absolutely sure nobody can see the file.

Maintainer: Matthias L. Jugel

Version:

$Id: TelnetWrapper.java 499 2005-09-29 08:24:54Z leo $

Author:

Matthias L. Jugel, Marcus Mei???ner

Field Summary

Fields

Modifier and Type	Field and Description
protected TelnetProtocolHandler	handler

Fields inherited from class de.mud.jta.Wrapper

host, in, out, port, script, scriptHandler, socket

Constructor Summary

Constructors

Constructor and Description
TelnetWrapper()

Method Summary

Methods

Modifier and Type	Method and Description
void	connect(java.lang.String host, int port) Connect the socket and open the connection.
TelnetProtocolHandler	getHandler()
int	read(byte[] b) Read data from the socket and use telnet negotiation before returning the data read.
java.lang.String	send(java.lang.String cmd) Send a command to the remote host.

Methods inherited from class de.mud.jta.Wrapper

disconnect, getPrompt, getTerminalType, getWindowSize, login, setLocalEcho, setPrompt, waitfor, waitfor, write

Methods inherited from class java.lang.Object

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

Field Detail

handler

protected TelnetProtocolHandler handler

Constructor Detail

TelnetWrapper

public TelnetWrapper()

Method Detail

getHandler

public TelnetProtocolHandler getHandler()

connect

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

Description copied from class: Wrapper

Connect the socket and open the connection.

Overrides:

connect in class Wrapper

Throws:

java.io.IOException

send

public java.lang.String send(java.lang.String cmd)
                      throws java.io.IOException

Send a command to the remote host. A newline is appended and if a prompt is set it will return the resulting data until the prompt is encountered.

Overrides:

send in class Wrapper

Parameters:

cmd - the command

Returns:

output of the command or null if no prompt is set

Throws:

java.io.IOException

read

public int read(byte[] b)
         throws java.io.IOException

Read data from the socket and use telnet negotiation before returning the data read.

Overrides:

read in class Wrapper

Parameters:

b - the input buffer to read in

Returns:

the amount of bytes read

Throws:

java.io.IOException