org.jdom.filter
Interface Filter

All Known Implementing Classes:

ContentFilter, ElementFilter

public interface Filter

Classes which wish to modify the behaviour of the FilterList can implement the list filter interface in order to reduce the visibility of certain items in the list, or to restrict the mutability of the list.

Version:

$Revision: 1.1 $, $Date: 2002/03/12 06:53:57 $

Author:

Jools Enticknap, Bradley S. Huffman

Method Summary

boolean	canAdd(java.lang.Object obj) Check to see if the object can be added to the list.
boolean	canRemove(java.lang.Object obj) Check to see if the object can be removed from the list.
boolean	matches(java.lang.Object obj) Check to see if the object matches a predefined set of rules.

Method Detail

canAdd

public boolean canAdd(java.lang.Object obj)

Check to see if the object can be added to the list.

Parameters:

obj - The object to verify.

Returns:

true if the object can be added.

canRemove

public boolean canRemove(java.lang.Object obj)

Check to see if the object can be removed from the list.

Parameters:

obj - The object to verify.

Returns:

true if the object can be removed.

matches

public boolean matches(java.lang.Object obj)

Check to see if the object matches a predefined set of rules.

Parameters:

obj - The object to verify.

Returns:

true if the object matches a predfined set of rules.