Package org.apache.commons.collections.functors

Class FactoryTransformer

  • All Implemented Interfaces:
    Serializable, Transformer
    public class FactoryTransformer
extends Object
implements Transformer, Serializable
    Transformer implementation that calls a Factory and returns the result.
    Since:
    Commons Collections 3.0
    Version:
    $Revision: 646777 $ $Date: 2008-04-10 14:33:15 +0200 (Thu, 10 Apr 2008) $
    Author:
    Stephen Colebourne
    See Also:
    Serialized Form

    • Constructor Detail

      • FactoryTransformer

        public FactoryTransformer​(Factory factory)
        Constructor that performs no validation. Use getInstance if you want that.
        Parameters:
        factory - the factory to call, not null

    • Method Detail

      • getInstance

        public static Transformer getInstance​(Factory factory)
        Factory method that performs validation.
        Parameters:
        factory - the factory to call, not null
        Returns:
        the factory transformer
        Throws:
        IllegalArgumentException - if the factory is null

      • transform

        public Object transform​(Object input)
        Transforms the input by ignoring the input and returning the result of calling the decorated factory.
        Specified by:
        transform in interface Transformer
        Parameters:
        input - the input object to transform
        Returns:
        the transformed result

      • getFactory

        public Factory getFactory()
        Gets the factory.
        Returns:
        the factory
        Since:
        Commons Collections 3.1