Package org.codehaus.groovy.syntax

# Class Numbers

java.lang.Object
org.codehaus.groovy.syntax.Numbers

public class Numbers extends Object
Helper class for processing Groovy numeric literals.

- ## Constructor Summary

  Constructors
  Constructor
  Description
  `Numbers()`

- ## Method Summary

  Modifier and Type
  Method
  Description
  `static boolean`
  `isDigit(char c)`
  Returns true if the specified character is a base-10 digit.
  `static boolean`
  `isHexDigit(char c)`
  Returns true if the specified character is a base-16 digit.
  `static boolean`
  `isNumericTypeSpecifier(char c, boolean isDecimal)`
  Returns true if the specified character is a valid type specifier for a numeric value.
  `static boolean`
  `isOctalDigit(char c)`
  Returns true if the specific character is a base-8 digit.
  `static Number`
  `parseDecimal(String text)`
  Builds a Number from the given decimal descriptor.
  `static Number`
  `parseInteger(String text)`
  Builds a Number from the given integer descriptor.

  ### Methods inherited from class java.lang.Object

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

- ## Constructor Details

  - ### Numbers

    public Numbers()

- ## Method Details

  - ### isDigit

    public static boolean isDigit(char c)
    Returns true if the specified character is a base-10 digit.

  - ### isOctalDigit

    public static boolean isOctalDigit(char c)
    Returns true if the specific character is a base-8 digit.

  - ### isHexDigit

    public static boolean isHexDigit(char c)
    Returns true if the specified character is a base-16 digit.

  - ### isNumericTypeSpecifier

    public static boolean isNumericTypeSpecifier(char c, boolean isDecimal)
    Returns true if the specified character is a valid type specifier for a numeric value.

  - ### parseInteger

    public static Number parseInteger(String text)
    Builds a Number from the given integer descriptor. Creates the narrowest type possible, or a specific type, if specified.
    Parameters:
      `text` - literal text to parse
    Returns:
      instantiated Number object
    Throws:
      `NumberFormatException` - if the number does not fit within the type requested by the type specifier suffix (invalid numbers don't make it here)

  - ### parseDecimal

    public static Number parseDecimal(String text)
    Builds a Number from the given decimal descriptor. Uses BigDecimal, unless, Double or Float is requested.
    Parameters:
      `text` - literal text to parse
    Returns:
      instantiated Number object
    Throws:
      `NumberFormatException` - if the number does not fit within the type requested by the type specifier suffix (invalid numbers don't make it here)