com.jscape.inet.terminal
Class CommandSet

java.lang.Object
  com.jscape.inet.terminal.CommandSet

Direct Known Subclasses:

VT100Set, VT52Set

public class CommandSet

extends java.lang.Object

Represents command set (ANSI, VT52) in terminal. "State" pattern [Gamma 94].

Constructor Summary

CommandSet(java.lang.String name)
Creates CommandSet object giving its name.

Method Summary

boolean	addCommand(java.lang.String sequence, ControlCommand command) Add command as ControlCommand object to the internal command hash map.
ControlCommand	getCommand(java.lang.String sequence) Get command as a ControlCommand object by its character sequence.
java.lang.String	getName() Returns command set's name.
boolean	isControlChar(char ch) Check if character passed is a control character.
boolean	removeCommand(java.lang.String sequence) Remove command's ControlCommand object from internal command hash map.

Methods inherited from class java.lang.Object

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

Constructor Detail

CommandSet

public CommandSet(java.lang.String name)

Creates CommandSet object giving its name.

Parameters:

name - command set name.

Method Detail

isControlChar

public boolean isControlChar(char ch)

Check if character passed is a control character. Control codes: oct: 0, 5, 7, 10, 11, 12, 13, 14, 15, 16, 17, 21, 23, 30, 32, 33, 177 dec: 0, 5, 7, 8, 9, 10, 11, 12, 13, 14, 15, 17, 19, 24, 26, 27, 127

Parameters:

ch - character to check

Returns:

true if character is a control character, false otherwise

getCommand

public ControlCommand getCommand(java.lang.String sequence)

Get command as a ControlCommand object by its character sequence.

Parameters:

sequence - command sequence name.

Returns:

command obtained from hashmap as a ControlCommand object.

addCommand

public boolean addCommand(java.lang.String sequence,
                          ControlCommand command)

Add command as ControlCommand object to the internal command hash map.

Parameters:

sequence - command char sequence to add.

command - ControlCommand object for command.

Returns:

false if sequence already contained as a key in the map, otherwise true.

removeCommand

public boolean removeCommand(java.lang.String sequence)

Remove command's ControlCommand object from internal command hash map.

Parameters:

sequence - command sequence to remove.

Returns:

false if command hashmap does not contain sequence as a key, otherwise true.

getName

public java.lang.String getName()

Returns command set's name.

Returns:

command set's name.