org.fest.util

Class TypeFilter<T>

java.lang.Object

org.fest.util.TypeFilter<T>

Type Parameters:

T - the generic type of the objects returned by the filter.

All Implemented Interfaces:

CollectionFilter<T>

public class TypeFilter<T>
extends java.lang.Object
implements CollectionFilter<T>

Filters elements of a collection by their data type.

Author:

Yvonne Wang

Method Summary

Methods

Modifier and Type	Method and Description
static <T> TypeFilter<T>	byType(java.lang.Class<T> type) Creates a new TypeFilter.
java.util.List<T>	filter(java.util.Collection<?> target) Filters the given collection by the type specified in this filter.

Methods inherited from class java.lang.Object

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

Method Detail

byType

public static <T> TypeFilter<T> byType(java.lang.Class<T> type)

Creates a new TypeFilter.

Type Parameters:

T - the generic type of the target type.

Parameters:

type - the target type for this filter.

Returns:

the created filter.

filter

public java.util.List<T> filter(java.util.Collection<?> target)

Filters the given collection by the type specified in this filter.

Specified by:

filter in interface CollectionFilter<T>

Parameters:

target - the collection to filter.

Returns:

a list containing the filtered elements.

Throws:

java.lang.IllegalArgumentException - if the given collection is null.