net.shredzone.jshred.swing

Class EmptyListModel<E>

java.lang.Object

net.shredzone.jshred.swing.EmptyListModel<E>

All Implemented Interfaces:

ListModel<E>

public final class EmptyListModel<E>
extends Object
implements ListModel<E>

This is just a mere empty ListModel which will never have any entries.

Since:

R7

Author:

Richard "Shred" Körber

Constructor Summary

Constructors

Constructor and Description
EmptyListModel()

Method Summary

Modifier and Type	Method and Description
void	addListDataListener(ListDataListener l) Adds a listener.
E	getElementAt(int index) Gets an element.
int	getSize() Gets the size.
void	removeListDataListener(ListDataListener l) Removes a listener.

Methods inherited from class java.lang.Object

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

Constructor Detail

EmptyListModel

public EmptyListModel()

Method Detail

getSize

public int getSize()

Gets the size. It's always 0.

Specified by:

getSize in interface ListModel<E>

getElementAt

public E getElementAt(int index)

Gets an element. Should never be called since the list is empty. Will always return null.

Specified by:

getElementAt in interface ListModel<E>

addListDataListener

public void addListDataListener(ListDataListener l)

Adds a listener. Since this list will always be empty, the listeners are just ignored.

Specified by:

addListDataListener in interface ListModel<E>

removeListDataListener

public void removeListDataListener(ListDataListener l)

Removes a listener. Since this list will always be empty, the listeners are just ignored.

Specified by:

removeListDataListener in interface ListModel<E>