com.neurosys.etl.common.transformers

Class NumberTransformer

java.lang.Object

com.neurosys.etl.common.transformers.NumberTransformer

All Implemented Interfaces:

FunctionTransformer, Serializable, Function, org.apache.commons.collections.Transformer

public class NumberTransformer
extends Object
implements FunctionTransformer, Serializable

Converts a String to a Number; it extracts the number and cleans out characters.
Example: INR 4,000 = 4000.0, or 4,00$ = 400.0

If there are multiple numbers then the first one is picked up
You can set the Number Class Type also; or let NumberUtils.createNumber(String) decide the type

Author:

Arjun Dhar

See Also:

Serialized Form

Field Summary

Fields

Modifier and Type	Field and Description
static Pattern	NUMBER_PATTERN

Constructor Summary

Constructors

Constructor and Description
NumberTransformer()

Method Summary

Modifier and Type	Method and Description
Class<? extends Number>	getNumberType() Optional : If provided will force the result to conform to the given DataType
static Number	getSpecificTypeNumber(Number input, Class<? extends Number> numberType)
void	setNumberType(Class<? extends Number> numberType) Optional : If provided will force the result to conform to the given DataType
Object	transform(Object input)

Methods inherited from class java.lang.Object

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

Methods inherited from interface com.neurosys.etl.common.transformers.FunctionTransformer

apply

Methods inherited from interface java.util.function.Function

andThen, compose, identity

Field Detail

NUMBER_PATTERN

public static final Pattern NUMBER_PATTERN

Constructor Detail

NumberTransformer

public NumberTransformer()

Method Detail

transform

public Object transform(Object input)

Specified by:

transform in interface org.apache.commons.collections.Transformer

getSpecificTypeNumber

public static Number getSpecificTypeNumber(Number input,
                                           Class<? extends Number> numberType)

getNumberType

public Class<? extends Number> getNumberType()

Optional : If provided will force the result to conform to the given DataType

setNumberType

public void setNumberType(Class<? extends Number> numberType)

Optional : If provided will force the result to conform to the given DataType