net.sf.jguiraffe.transform

Class DummyTransformer

java.lang.Object

net.sf.jguiraffe.transform.DummyTransformer

All Implemented Interfaces:

Transformer, Validator

public class DummyTransformer
extends Object
implements Validator, Transformer

This class provides dummy implementations for the Transformer and the Validator interfaces.

Validation is implemented by always returning a validation result object indicating a successful validation. Transformation is implemented as a noop, by simply returning the passed in object. The services of this class can be obtained using a singleton instance.

Version:

$Id: DummyTransformer.java 205 2012-01-29 18:29:57Z oheger $

Author:

Oliver Heger

Constructor Summary

Constructors

Constructor and Description
DummyTransformer()

Method Summary

Modifier and Type	Method and Description
static DummyTransformer	getInstance() Returns the singleton instance of this class.
ValidationResult	isValid(Object o, TransformerContext ctx) Performs validation.
Object	transform(Object o, TransformerContext ctx) Transforms the passed in object.

Methods inherited from class java.lang.Object

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

Constructor Detail

DummyTransformer

public DummyTransformer()

Method Detail

isValid

public ValidationResult isValid(Object o,
                                TransformerContext ctx)

Performs validation. Always returns a positive result.

Specified by:

isValid in interface Validator

Parameters:

o - the object to check

ctx - the transformer context (ignored)

Returns:

validation results

transform

public Object transform(Object o,
                        TransformerContext ctx)

Transforms the passed in object. This implementation simply returns the same object.

Specified by:

transform in interface Transformer

Parameters:

o - the object to be transformed

ctx - the transformer context (ignored)

Returns:

the resulting object

getInstance

public static DummyTransformer getInstance()

Returns the singleton instance of this class.

Returns:

the shared instance