Package lumis.util.collections

Class Lists

java.lang.Object

lumis.util.collections.Lists

public abstract class Lists
extends Object

List utility methods.

Since:

8.1.0

Version:

$Revision: 18249 $ $Date: 2016-01-21 11:20:08 -0200 (Thu, 21 Jan 2016) $

Method Summary

Modifier and Type	Method	Description
static <V> List<V>	filter(List<V> original, IItemFilter<V> filter)	Returns a list filtered by the current IItemFilter
static <V> List<V>	fromCollection(Collection<V> collection)	Returns a list using the items in the given collection.
static <From,To> List<To>	transform(List<From> list, Transformer<From,To> transformer)	Returns a new List using the given transformer to transform the original elements into the new ones.

Methods inherited from class java.lang.Object

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

Method Detail

transform

public static <From,To> List<To> transform(List<From> list,
                                                 Transformer<From,To> transformer)
                                          throws PortalException

Returns a new List using the given transformer to transform the original elements into the new ones.

Parameters:

list - the original list.

transformer - the transformer to be used.

Returns:

a new List using the given transformer to transform the original elements into the new ones.

Throws:

PortalException

Since:

8.1.0

fromCollection

public static <V> List<V> fromCollection(Collection<V> collection)

Returns a list using the items in the given collection. The order used to create the list is arbitrary and non-deterministic.

Parameters:

collection - the collection of items.

Returns:

a list using the items in the given collection.

Since:

8.1.0

filter

public static <V> List<V> filter(List<V> original,
                                 IItemFilter<V> filter)
                          throws PortalException

Returns a list filtered by the current IItemFilter

Parameters:

original - original list

filter - filter to be applied on original list

Returns:

new filtered list

Throws:

PortalException

Since:

8.1.0