Package org.fest.util

Class 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

      All Methods Static Methods Instance Methods Concrete Methods 
      Modifier and Type Method 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.