Package net.sf.basedb.util.filter

Class FilterUtil

java.lang.Object

net.sf.basedb.util.filter.FilterUtil

public class FilterUtil
extends Object

Utility class for working with and using filters.

Version:

2.9

Author:

Nicklas

Last modified

$Date: 2008-10-21 09:20:40 +0200 (ti, 21 okt 2008) $

Constructor Summary

Constructors

Constructor	Description
FilterUtil()

Method Summary

Modifier and Type	Method	Description
static <T> List<T>	filter(Collection<? extends T> objects, Filter<? super T> filter)	Filter a collection and return a new collection with the objects that passes the Filter.evaluate(Object) method.

Methods inherited from class java.lang.Object

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

Constructor Details

FilterUtil

public FilterUtil()

Method Details

filter

public static <T> List<T> filter(Collection<? extends T> objects,
Filter<? super T> filter)

Filter a collection and return a new collection with the objects that passes the Filter.evaluate(Object) method. If the original collection is null, null is returned. If the original collection is empty, or if no objects passes the filter an empty list is returned. If the filter is null a list with all objects of the original collection is returned. The original collection is never modifed.

Parameters:

objects - The collection of objects

filter - The filter

Returns:

A new collection, or null if the original collection is null

Since:

2.9