Package org.apache.commons.net.telnet
Class TelnetCommand
java.lang.Object
org.apache.commons.net.telnet.TelnetCommand
The TelnetCommand class cannot be instantiated and only serves as a storehouse for telnet command constants.
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Field Summary
FieldsModifier and TypeFieldDescriptionstatic final intAbort code.static final intAbort Output code.static final intAre You There code.static final intBreak code.static final intData mark code.static final intRequest to use option code.static final intDon't use option code.static final intErase Character code.static final intErase Line code.static final intEnd of file code.static final intEnd of record code.static final intGo Ahead code.static final intInterpret As Command code.static final intInterrupt Process code.static final intThe maximum value a command code can have.static final intNo Operation code.static final intStart subnegotiation code.static final intEnd subnegotiation code.static final intSuspend process code.static final intSynchronize code.static final intAgree to use option code.static final intRefuse to use option code. -
Method Summary
Modifier and TypeMethodDescriptionstatic 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.
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Field Details
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MAX_COMMAND_VALUE
The maximum value a command code can have. This value is 255.- See Also:
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IAC
Interpret As Command code. Value is 255 according to RFC 854.- See Also:
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DONT
Don't use option code. Value is 254 according to RFC 854.- See Also:
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DO
Request to use option code. Value is 253 according to RFC 854.- See Also:
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WONT
Refuse to use option code. Value is 252 according to RFC 854.- See Also:
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WILL
Agree to use option code. Value is 251 according to RFC 854.- See Also:
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SB
Start subnegotiation code. Value is 250 according to RFC 854.- See Also:
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GA
Go Ahead code. Value is 249 according to RFC 854.- See Also:
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EL
Erase Line code. Value is 248 according to RFC 854.- See Also:
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EC
Erase Character code. Value is 247 according to RFC 854.- See Also:
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AYT
Are You There code. Value is 246 according to RFC 854.- See Also:
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AO
Abort Output code. Value is 245 according to RFC 854.- See Also:
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IP
Interrupt Process code. Value is 244 according to RFC 854.- See Also:
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BREAK
Break code. Value is 243 according to RFC 854.- See Also:
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DM
Data mark code. Value is 242 according to RFC 854.- See Also:
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NOP
No Operation code. Value is 241 according to RFC 854.- See Also:
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SE
End subnegotiation code. Value is 240 according to RFC 854.- See Also:
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EOR
End of record code. Value is 239.- See Also:
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ABORT
Abort code. Value is 238.- See Also:
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SUSP
Suspend process code. Value is 237.- See Also:
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EOF
End of file code. Value is 236.- See Also:
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SYNCH
Synchronize code. Value is 242.- See Also:
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Method Details
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getCommand
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.
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isValidCommand
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.
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