Package com.foreach.across.modules.web.menu

Class TraversingMenuSelector

java.lang.Object

com.foreach.across.modules.web.menu.TraversingMenuSelector

All Implemented Interfaces:

MenuSelector

public abstract class TraversingMenuSelector
extends Object
implements MenuSelector

Simple implementation of MenuSelector that will iterate over all items in a menu tree and find the lowest item that matches.

Constructor Summary

Constructors

Modifier	Constructor	Description
protected	TraversingMenuSelector(boolean findLowest)	If the boolean parameter is true, the entire tree will be scanned for the lowest matching item.

Method Summary

Modifier and Type	Method	Description
Menu	find(Menu menu)	Search the given Menu for an item that matches the current selector.
boolean	isFindLowest()
protected abstract boolean	matches(Menu item)
void	setFindLowest(boolean findLowest)

Methods inherited from class java.lang.Object

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

Constructor Details

TraversingMenuSelector

protected TraversingMenuSelector(boolean findLowest)

If the boolean parameter is true, the entire tree will be scanned for the lowest matching item. If false, the first matching item will be returned.

Parameters:

findLowest - True if the lowest matching item should be found.

Method Details

isFindLowest

public boolean isFindLowest()

setFindLowest

public void setFindLowest(boolean findLowest)

find

public Menu find(Menu menu)

Description copied from interface: MenuSelector

Search the given Menu for an item that matches the current selector.

Specified by:

find in interface MenuSelector

Parameters:

menu - Menu tree to search top-down.

Returns:

Matching Menu item or null if not found.

matches

protected abstract boolean matches(Menu item)