org.apache.commons.collections.functors

Class FactoryTransformer

java.lang.Object

org.apache.commons.collections.functors.FactoryTransformer

All Implemented Interfaces:

java.io.Serializable, Transformer

public class FactoryTransformer
extends java.lang.Object
implements Transformer, java.io.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) $

See Also:

Serialized Form

Field Summary

Fields

Modifier and Type	Field and Description
private Factory	iFactory The factory to wrap
private static long	serialVersionUID Serial version UID

Constructor Summary

Constructors

Constructor and Description
FactoryTransformer(Factory factory) Constructor that performs no validation.

Method Summary

Modifier and Type	Method and Description
Factory	getFactory() Gets the factory.
static Transformer	getInstance(Factory factory) Factory method that performs validation.
java.lang.Object	transform(java.lang.Object input) Transforms the input by ignoring the input and returning the result of calling the decorated factory.

Methods inherited from class java.lang.Object

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

Field Detail

serialVersionUID

private static final long serialVersionUID

Serial version UID

See Also:

Constant Field Values

iFactory

private final Factory iFactory

The factory to wrap

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:

java.lang.IllegalArgumentException - if the factory is null

transform

public java.lang.Object transform(java.lang.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