org.apache.commons.net.telnet

Class TelnetCommand

public final class TelnetCommand extends Object

The TelnetCommand class cannot be instantiated and only serves as a storehouse for telnet command constants.

Author: Daniel F. Savarese

See Also: Telnet TelnetClient

Field Summary
static intABORT
Abort code.
static intAO
Abort Output code.
static intAYT
Are You There code.
static intBREAK
Break code.
static intDM
Data mark code.
static intDO
Request to use option code.
static intDONT
Don't use option code.
static intEC
Erase Character code.
static intEL
Erase Line code.
static intEOF
End of file code.
static intEOR
End of record code.
static intGA
Go Ahead code.
static intIAC
Interpret As Command code.
static intIP
Interrupt Process code.
static intMAX_COMMAND_VALUE
The maximum value a command code can have.
static intNOP
No Operation code.
static intSB
Start subnegotiation code.
static intSE
End subnegotiation code.
static intSUSP
Suspend process code.
static intSYNCH
Synchronize code.
static intWILL
Agree to use option code.
static intWONT
Refuse to use option code.
Method Summary
static StringgetCommand(int code)
Returns the string representation of the telnet protocol command corresponding to the given command code.
static booleanisValidCommand(int code)
Determines if a given command code is valid.

Field Detail

ABORT

public static final int ABORT
Abort code. Value is 238. **

AO

public static final int AO
Abort Output code. Value is 245 according to RFC 854. **

AYT

public static final int AYT
Are You There code. Value is 246 according to RFC 854. **

BREAK

public static final int BREAK
Break code. Value is 243 according to RFC 854. **

DM

public static final int DM
Data mark code. Value is 242 according to RFC 854. **

DO

public static final int DO
Request to use option code. Value is 253 according to RFC 854. **

DONT

public static final int DONT
Don't use option code. Value is 254 according to RFC 854. **

EC

public static final int EC
Erase Character code. Value is 247 according to RFC 854. **

EL

public static final int EL
Erase Line code. Value is 248 according to RFC 854. **

EOF

public static final int EOF
End of file code. Value is 236. **

EOR

public static final int EOR
End of record code. Value is 239. **

GA

public static final int GA
Go Ahead code. Value is 249 according to RFC 854. **

IAC

public static final int IAC
Interpret As Command code. Value is 255 according to RFC 854. **

IP

public static final int IP
Interrupt Process code. Value is 244 according to RFC 854. **

MAX_COMMAND_VALUE

public static final int MAX_COMMAND_VALUE
The maximum value a command code can have. This value is 255. **

NOP

public static final int NOP
No Operation code. Value is 241 according to RFC 854. **

SB

public static final int SB
Start subnegotiation code. Value is 250 according to RFC 854. **

SE

public static final int SE
End subnegotiation code. Value is 240 according to RFC 854. **

SUSP

public static final int SUSP
Suspend process code. Value is 237. **

SYNCH

public static final int SYNCH
Synchronize code. Value is 242. **

WILL

public static final int WILL
Agree to use option code. Value is 251 according to RFC 854. **

WONT

public static final int WONT
Refuse to use option code. Value is 252 according to RFC 854. **

Method Detail

getCommand

public static final String getCommand(int code)
Returns the string representation of the telnet protocol command corresponding to the given command code.

Parameters: code The command code of the telnet protocol command.

Returns: The string representation of the telnet protocol command.

isValidCommand

public static final boolean isValidCommand(int code)
Determines if a given command code is valid. Returns true if valid, false if not.

Parameters: code The command code to test.

Returns: True if the command code is valid, false if not.