com.sas.util
Class MenuSeparatorCommand

com.sas.util.MenuSeparatorCommand

All Implemented Interfaces:

com.sas.lang.StringDataInterface, com.sas.PublicClonable, com.sas.util.Command, CommandsInterface, MenuCommand, com.sas.util.SimpleCommand, java.lang.Cloneable

public final class MenuSeparatorCommand
implements MenuCommand

Provides a command to serve as a separator in a list of commands.

Since separators are just place-holders without any state of their own, i.e one separator is exactly the same as another, this class is implemented using the Singleton Design Pattern. This means that there will be at most one instance of this class created, and that access to the instance must be through a special method called instance() rather than through the standard constructor.

Method Summary

java.lang.Object	clone() Returns super.clone().
void	execute(java.lang.Object arg) Does nothing.
com.sas.util.Command[]	getCommands() Returns a zero-length array.
java.lang.String	getText() Returns the empty string.
static MenuSeparatorCommand	instance() Returns an instance of this class.
boolean	isExecutable() Returns false.
boolean	isSeparator() Returns true.
boolean	isUndoable() Returns false.
void	setText(java.lang.String newValue) Does nothing.
void	undo() Does nothing.

Method Detail

instance

public static MenuSeparatorCommand instance()

Returns an instance of this class.

isSeparator

public boolean isSeparator()

Returns true.

Specified by:

isSeparator in interface MenuCommand

Returns:

true if the command is a separator, false otherwise

isExecutable

public boolean isExecutable()

Returns false.

Specified by:

isExecutable in interface com.sas.util.Command

isUndoable

public boolean isUndoable()

Returns false.

Specified by:

isUndoable in interface com.sas.util.Command

undo

public void undo()

Does nothing.

Specified by:

undo in interface com.sas.util.Command

clone

public java.lang.Object clone()
                       throws java.lang.CloneNotSupportedException

Returns super.clone().

Specified by:

clone in interface com.sas.PublicClonable

Specified by:

clone in interface com.sas.util.Command

Overrides:

clone in class java.lang.Object

Throws:

java.lang.CloneNotSupportedException - Propagated from super.clone().

getCommands

public com.sas.util.Command[] getCommands()

Returns a zero-length array.

Specified by:

getCommands in interface CommandsInterface

Returns:

An array of commands.

execute

public void execute(java.lang.Object arg)

Does nothing.

Specified by:

execute in interface com.sas.util.SimpleCommand

getText

public java.lang.String getText()

Returns the empty string.

Specified by:

getText in interface com.sas.lang.StringDataInterface

setText

public void setText(java.lang.String newValue)

Does nothing.

Specified by:

setText in interface com.sas.lang.StringDataInterface