org.apache.commons.net.telnet
Class TelnetOption

java.lang.Object
  org.apache.commons.net.telnet.TelnetOption

public class TelnetOption
extends Object

The TelnetOption class cannot be instantiated and only serves as a storehouse for telnet option constants.

Details regarding Telnet option specification can be found in RFC 855.

Author:

Daniel F. Savarese

See Also:

Telnet, TelnetClient

Field Summary

static int	APPROXIMATE_MESSAGE_SIZE
static int	AUTHENTICATION
static int	BINARY
static int	BYTE_MACRO
static int	DATA_ENTRY_TERMINAL
static int	ECHO
static int	ENCRYPTION
static int	END_OF_RECORD
static int	EXTENDED_ASCII
static int	EXTENDED_OPTIONS_LIST
static int	FORCE_LOGOUT
static int	LINEMODE
static int	MAX_OPTION_VALUE The maximum value an option code can have.
static int	NEGOTIATE_CARRIAGE_RETURN
static int	NEGOTIATE_FORMFEED
static int	NEGOTIATE_HORIZONTAL_TAB
static int	NEGOTIATE_HORIZONTAL_TAB_STOP
static int	NEGOTIATE_LINEFEED
static int	NEGOTIATE_OUTPUT_LINE_WIDTH
static int	NEGOTIATE_OUTPUT_PAGE_SIZE
static int	NEGOTIATE_VERTICAL_TAB
static int	NEGOTIATE_VERTICAL_TAB_STOP
static int	NEW_ENVIRONMENT_VARIABLES
static int	OLD_ENVIRONMENT_VARIABLES
static int	OUTPUT_MARKING
static int	PREPARE_TO_RECONNECT
static int	REGIME_3270
static int	REMOTE_CONTROLLED_TRANSMISSION
static int	REMOTE_FLOW_CONTROL
static int	SEND_LOCATION
static int	STATUS
static int	SUPDUP
static int	SUPDUP_OUTPUT
static int	SUPPRESS_GO_AHEAD
static int	TACACS_USER_IDENTIFICATION
static int	TERMINAL_LOCATION_NUMBER
static int	TERMINAL_SPEED
static int	TERMINAL_TYPE
static int	TIMING_MARK
static int	WINDOW_SIZE
static int	X_DISPLAY_LOCATION
static int	X3_PAD

Method Summary

static String	getOption(int code) Returns the string representation of the telnet protocol option corresponding to the given option code.
static boolean	isValidOption(int code) Determines if a given option code is valid.

Methods inherited from class java.lang.Object

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

Field Detail

MAX_OPTION_VALUE

public static final int MAX_OPTION_VALUE

The maximum value an option code can have. This value is 255.

See Also:

Constant Field Values

BINARY

public static int BINARY

ECHO

public static int ECHO

PREPARE_TO_RECONNECT

public static int PREPARE_TO_RECONNECT

SUPPRESS_GO_AHEAD

public static int SUPPRESS_GO_AHEAD

APPROXIMATE_MESSAGE_SIZE

public static int APPROXIMATE_MESSAGE_SIZE

STATUS

public static int STATUS

TIMING_MARK

public static int TIMING_MARK

REMOTE_CONTROLLED_TRANSMISSION

public static int REMOTE_CONTROLLED_TRANSMISSION

NEGOTIATE_OUTPUT_LINE_WIDTH

public static int NEGOTIATE_OUTPUT_LINE_WIDTH

NEGOTIATE_OUTPUT_PAGE_SIZE

public static int NEGOTIATE_OUTPUT_PAGE_SIZE

NEGOTIATE_CARRIAGE_RETURN

public static int NEGOTIATE_CARRIAGE_RETURN

NEGOTIATE_HORIZONTAL_TAB_STOP

public static int NEGOTIATE_HORIZONTAL_TAB_STOP

NEGOTIATE_HORIZONTAL_TAB

public static int NEGOTIATE_HORIZONTAL_TAB

NEGOTIATE_FORMFEED

public static int NEGOTIATE_FORMFEED

NEGOTIATE_VERTICAL_TAB_STOP

public static int NEGOTIATE_VERTICAL_TAB_STOP

NEGOTIATE_VERTICAL_TAB

public static int NEGOTIATE_VERTICAL_TAB

NEGOTIATE_LINEFEED

public static int NEGOTIATE_LINEFEED

EXTENDED_ASCII

public static int EXTENDED_ASCII

FORCE_LOGOUT

public static int FORCE_LOGOUT

BYTE_MACRO

public static int BYTE_MACRO

DATA_ENTRY_TERMINAL

public static int DATA_ENTRY_TERMINAL

SUPDUP

public static int SUPDUP

SUPDUP_OUTPUT

public static int SUPDUP_OUTPUT

SEND_LOCATION

public static int SEND_LOCATION

TERMINAL_TYPE

public static int TERMINAL_TYPE

END_OF_RECORD

public static int END_OF_RECORD

TACACS_USER_IDENTIFICATION

public static int TACACS_USER_IDENTIFICATION

OUTPUT_MARKING

public static int OUTPUT_MARKING

TERMINAL_LOCATION_NUMBER

public static int TERMINAL_LOCATION_NUMBER

REGIME_3270

public static int REGIME_3270

X3_PAD

public static int X3_PAD

WINDOW_SIZE

public static int WINDOW_SIZE

TERMINAL_SPEED

public static int TERMINAL_SPEED

REMOTE_FLOW_CONTROL

public static int REMOTE_FLOW_CONTROL

LINEMODE

public static int LINEMODE

X_DISPLAY_LOCATION

public static int X_DISPLAY_LOCATION

OLD_ENVIRONMENT_VARIABLES

public static int OLD_ENVIRONMENT_VARIABLES

AUTHENTICATION

public static int AUTHENTICATION

ENCRYPTION

public static int ENCRYPTION

NEW_ENVIRONMENT_VARIABLES

public static int NEW_ENVIRONMENT_VARIABLES

EXTENDED_OPTIONS_LIST

public static int EXTENDED_OPTIONS_LIST

Method Detail

getOption

public static final String getOption(int code)

Returns the string representation of the telnet protocol option corresponding to the given option code.

Parameters:

code - The option code of the telnet protocol option

Returns:

The string representation of the telnet protocol option.

isValidOption

public static final boolean isValidOption(int code)

Determines if a given option code is valid. Returns true if valid, false if not.

Parameters:

code - The option code to test.

Returns:

True if the option code is valid, false if not.