org.jboss.dashboard.commons.text
Class DecimalFormatUtil

java.lang.Object
  org.jboss.dashboard.commons.text.DecimalFormatUtil

public class DecimalFormatUtil
extends Object

Utilities for formating and parsing decimal numbers.

Method Summary

static String	doubleToStr(double origin, int decimals) Formats a double to produce a string with a number of fraction digits.
static String	doubleToStr(Number origin, int decimals) Formats a Number to produce a string with a number of fraction digits.
static boolean	isValidDouble(String value, int decimals) Tell whether a double string is in valid format, according with a number of fraction digits.
static boolean	isValidFloat(String value, int decimals) Tell whether a float string is in valid format, according with a number of fraction digits.
static Double	strToDouble(String text, int decimals) Parses a string to produce a Double with a number of fraction digits.
static Float	strToFloat(String text, int decimals) Parses a string to produce a Float with a number of fraction digits.

Methods inherited from class java.lang.Object

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

Method Detail

doubleToStr

public static String doubleToStr(double origin,
                                 int decimals)

Formats a double to produce a string with a number of fraction digits.

Parameters:

origin - double to format

decimals - number of fraction digits

Returns:

Formatted string.

doubleToStr

public static String doubleToStr(Number origin,
                                 int decimals)

Formats a Number to produce a string with a number of fraction digits.

Parameters:

origin - Number to format

decimals - number of fraction digits

Returns:

Formatted string.

strToDouble

public static Double strToDouble(String text,
                                 int decimals)

Parses a string to produce a Double with a number of fraction digits.

Parameters:

text - string to parse

decimals - number of fraction digits

Returns:

Double parsed from string. In case of error, returns null.

strToFloat

public static Float strToFloat(String text,
                               int decimals)

Parses a string to produce a Float with a number of fraction digits.

Parameters:

text - string to parse

decimals - number of fraction digits

Returns:

Float parsed from string. In case of error, returns null.

isValidDouble

public static boolean isValidDouble(String value,
                                    int decimals)

Tell whether a double string is in valid format, according with a number of fraction digits.

Parameters:

value - the double string to be tested

decimals - number of decimals

Returns:

true if this double string is valid; false otherwise

isValidFloat

public static boolean isValidFloat(String value,
                                   int decimals)

Tell whether a float string is in valid format, according with a number of fraction digits.

Parameters:

value - the float string to be tested

decimals - number of decimals

Returns:

true if this float string is valid; false otherwise