org.apache.commons.collections.functors
Class FactoryTransformer

java.lang.Object
  |
  +--org.apache.commons.collections.functors.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: 1.2 $ $Date: 2004/01/14 21:43:09 $

Author:

Stephen Colebourne

See Also:

Serialized Form

Constructor Summary

FactoryTransformer(Factory factory)
Constructor that performs no validation.

Method Summary

static Transformer	getInstance(Factory factory) Factory method that performs validation.
Object	transform(Object input) Call the factory.

Methods inherited from class java.lang.Object

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

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)

Call the factory.

Specified by:

transform in interface Transformer

Parameters:

input - the object to be transformed

Returns:

a transformed object