org.cactoos.scalar

Class NumberOf

java.lang.Object

java.lang.Number

org.cactoos.scalar.NumberOf

All Implemented Interfaces:

Serializable, Scalar<Number>

public final class NumberOf
extends Number
implements Scalar<Number>

Text as Number.

 long value = new NumberOf("186789235425346").longValue();
 int value = new NumberOf("1867892354").intValue();
 double value = new NumberOf("185.65156465123").doubleValue();
 

There is no thread-safety guarantee.

This class implements Scalar, which throws a checked Exception. This may not be convenient in many cases. To make it more convenient and get rid of the checked exception you can use the UncheckedScalar decorator. Or you may use IoCheckedScalar to wrap it in an IOException.

Since:

0.2

See Also:

Serialized Form

Constructor Summary

Constructors

Constructor and Description
NumberOf(String txt) Ctor.
NumberOf(Text text) Ctor.

Method Summary

Modifier and Type	Method and Description
double	doubleValue()
float	floatValue()
int	intValue()
long	longValue()
Number	value() Convert it to the value.

Methods inherited from class java.lang.Number

byteValue, shortValue

Methods inherited from class java.lang.Object

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

Constructor Detail

NumberOf

public NumberOf(String txt)

Ctor.

Parameters:

txt - Number-string

NumberOf

public NumberOf(Text text)

Ctor.

Parameters:

text - Number-text

Method Detail

value

public Number value()

Description copied from interface: Scalar

Convert it to the value.

Specified by:

value in interface Scalar<Number>

Returns:

The value

intValue

public int intValue()

Specified by:

intValue in class Number

longValue

public long longValue()

Specified by:

longValue in class Number

floatValue

public float floatValue()

Specified by:

floatValue in class Number

doubleValue

public double doubleValue()

Specified by:

doubleValue in class Number