software.amazon.lambda.powertools.parameters.transform

Class TransformationManager

java.lang.Object

software.amazon.lambda.powertools.parameters.transform.TransformationManager

public class TransformationManager
extends java.lang.Object

Manager in charge of transforming parameter values in another format.
Leverages a Transformer in order to perform the transformation.
The transformer must be passed with setTransformer(Class) before performing any transform operation.

Constructor Summary

Constructors

Constructor and Description
TransformationManager()

Method Summary

Modifier and Type	Method and Description
java.lang.String	performBasicTransformation(java.lang.String value) Transform a String in another String.
<T> T	performComplexTransformation(java.lang.String value, java.lang.Class<T> targetClass) Transform a String in a Java Object.
void	setTransformer(java.lang.Class<? extends Transformer> transformerClass) Set the Transformer to use for transformation.
boolean	shouldTransform()

Methods inherited from class java.lang.Object

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

Constructor Detail

TransformationManager

public TransformationManager()

Method Detail

setTransformer

public void setTransformer(java.lang.Class<? extends Transformer> transformerClass)

Set the Transformer to use for transformation. Must be called before any transformation.

Parameters:

transformerClass - class of the Transformer

shouldTransform

public boolean shouldTransform()

Returns:

true if a Transformer has been passed to the Manager

performBasicTransformation

public java.lang.String performBasicTransformation(java.lang.String value)

Transform a String in another String. Must be used with a BasicTransformer.

Parameters:

value - the value to transform

Returns:

the value transformed

performComplexTransformation

public <T> T performComplexTransformation(java.lang.String value,
                                          java.lang.Class<T> targetClass)

Transform a String in a Java Object.

Parameters:

value - the value to transform

targetClass - the type of the target object.

Returns:

the value transformed in an object ot type T.