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 (Tue, 21 Oct 2008) $

Constructor Summary

FilterUtil()

Method Summary

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 Detail

FilterUtil

public FilterUtil()

Method Detail

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