NumberUtils (ano-utils 2.1.1 API)

java.lang.Object
- net.anotheria.util.NumberUtils

```
public final class NumberUtils
extends Object
```
A collection of useful utility methods for handling numbers, dates and currencies.

Author:

lrosenberg

Field Summary

Fields
Modifier and Type Field and Description

static String[] MONTH
Constants for month names.

Fields
Modifier and Type	Field and Description
`static String[]`	`MONTH` Constants for month names.

Method Summary

Methods
Modifier and Type	Method and Description
`static String`	`currencyFormat(double value, char delimiter)`
`static String`	`format(double value, int integral, int fraction, char delimiter)`
`static double`	`fractionRound(double value, int fraction)`
`static String`	`getCurrencyValue(double aValue)` Returns rounded value as currency value (2 digits precision).
`static String`	`getCurrencyValue(float aValue)`
`static String`	`getDateString(int day, int month, int year)` Returns a short date string in form of "YY.MM.DD" or "YYYY.MM.DD" depending on the year parameter.
`static String`	`getDotedNumber(long number)` Returns a string representation of the parameter in which each three digit part of the number is separated by a '.'.
`static String`	`getDotedNumber(long number, char separatorChar)`
`static String`	`getDotedNumber(long number, Locale locale)`
`static String`	`getDotedNumberDE(long number)`
`static String`	`getDotedNumberUS(long number)`
`static String`	`itoa(int i)` Calls itoa(i,2);
`static String`	`itoa(int i, int limit)` Converts an integer number in a String with given number of chars; fills in zeros if needed from the left side.
`static boolean`	`luhnCheckNumber(String aNumber)` Returns true if the number parameter can pass a luhn check.
`static String`	`makeDateString(long time)` Often needed by different packages Return a time string in form of DD MMM YY (23 FEB 02).
`static String`	`makeDateStringLong(long time)` Often needed by different packages Return a time string in form of DD MMM YYYY (23 FEB 2002).
`static String`	`makeDigitalDateString(long time)` Returns a digital time string (23.02.2002).
`static String`	`makeDigitalDateStringLong(long time)`
`static String`	`makeISO8601DateString()` Returns the ISO8601 date of now.
`static String`	`makeISO8601DateString(long millis)` Returns the ISO8601 confirmant date string for the given time.
`static String`	`makeISO8601TimestampString()` Returns the ISO8601 timestamp of now.
`static String`	`makeISO8601TimestampString(long millis)` Creates an ISO8601 confirm timestamp string in form of YYYY-MM-DDTHH:MM:SS,zzz.
`static String`	`makeSizeString(long size)` Returns the given size in bytes as short string (Kb, Mb, B)...
`static String`	`makeTimeString(long time)` Often needed by different packages Return a time string in form of hh:mm.
`static String`	`makeTimeString12H(long time)` Often needed by different packages Return a time string in form of hh:mm am/pm.
`static long`	`parseDateString(String str)`

Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

- Field Detail
  - MONTH
```
public static final String[] MONTH
```
    Constants for month names.
- Method Detail
  - itoa
```
public static String itoa(int i,
          int limit)
```
    Converts an integer number in a String with given number of chars; fills in zeros if needed from the left side. Example: itoa(23, 4) -> 0023.
  - itoa
```
public static String itoa(int i)
```
    Calls itoa(i,2);
  - makeDateStringLong
```
public static String makeDateStringLong(long time)
```
    Often needed by different packages Return a time string in form of DD MMM YYYY (23 FEB 2002).
  - makeDateString
```
public static String makeDateString(long time)
```
    Often needed by different packages Return a time string in form of DD MMM YY (23 FEB 02).
  - makeDigitalDateString
```
public static String makeDigitalDateString(long time)
```
    Returns a digital time string (23.02.2002).
    
    Parameters:
    time -
    
    Returns:
  - makeDigitalDateStringLong
```
public static String makeDigitalDateStringLong(long time)
```
  - makeTimeString
```
public static String makeTimeString(long time)
```
    Often needed by different packages Return a time string in form of hh:mm.
  - makeTimeString12H
```
public static String makeTimeString12H(long time)
```
    Often needed by different packages Return a time string in form of hh:mm am/pm.
  - makeSizeString
```
public static String makeSizeString(long size)
```
    Returns the given size in bytes as short string (Kb, Mb, B)...
    
    Parameters:
    size - the size in bytes
    
    Returns:
    the corresponding string
  - getDateString
```
public static String getDateString(int day,
                   int month,
                   int year)
```
    Returns a short date string in form of "YY.MM.DD" or "YYYY.MM.DD" depending on the year parameter.
    
    Parameters:
    day - day parameter.
    month - month parameter.
    year - year parameter.
    
    Returns:
    a string of form: "year.month.day", at least digits for each value.
  - makeISO8601DateString
```
public static String makeISO8601DateString(long millis)
```
    Returns the ISO8601 confirmant date string for the given time.
    
    Parameters:
    millis - the time in millis since 01.01.1970.
    
    Returns:
    string in form of YYYY-MM-DD.
  - makeISO8601DateString
```
public static String makeISO8601DateString()
```
    Returns the ISO8601 date of now.
    
    Returns:
  - makeISO8601TimestampString
```
public static String makeISO8601TimestampString()
```
    Returns the ISO8601 timestamp of now.
    
    Returns:
  - makeISO8601TimestampString
```
public static String makeISO8601TimestampString(long millis)
```
    Creates an ISO8601 confirm timestamp string in form of YYYY-MM-DDTHH:MM:SS,zzz.
    
    Parameters:
    millis - time in millis.
    
    Returns:
    string that represents the time parameter as iso8601 timestamp.
  - parseDateString
```
public static long parseDateString(String str)
```
  - getCurrencyValue
```
public static String getCurrencyValue(float aValue)
```
  - getCurrencyValue
```
public static String getCurrencyValue(double aValue)
```
    Returns rounded value as currency value (2 digits precision). This method uses dot as separator regardless of the locale.
    
    Parameters:
    aValue - the value to convert.
    
    Returns:
    a currency value like 20.02.
  - luhnCheckNumber
```
public static boolean luhnCheckNumber(String aNumber)
```
    Returns true if the number parameter can pass a luhn check.
    
    Parameters:
    aNumber - the number to check.
    
    Returns:
    true if the number passes the check or false otherwise.
    See Also:
    for details on luhn algorithm.
  - getDotedNumber
```
public static String getDotedNumber(long number)
```
    Returns a string representation of the parameter in which each three digit part of the number is separated by a '.'. For example 123456 -> 123.456. 1234567 -> 1.234.567 and so on.
    
    Parameters:
    number - the number to transform.
    
    Returns:
    transfored (doted) version of the parameter.
  - getDotedNumber
```
public static String getDotedNumber(long number,
                    char separatorChar)
```
  - getDotedNumber
```
public static String getDotedNumber(long number,
                    Locale locale)
```
  - getDotedNumberUS
```
public static String getDotedNumberUS(long number)
```
  - getDotedNumberDE
```
public static String getDotedNumberDE(long number)
```
  - fractionRound
```
public static double fractionRound(double value,
                   int fraction)
```
  - format
```
public static String format(double value,
            int integral,
            int fraction,
            char delimiter)
```
  - currencyFormat
```
public static String currencyFormat(double value,
                    char delimiter)
```

Class NumberUtils

Field Summary

Method Summary

Methods inherited from class java.lang.Object

Field Detail

MONTH

Method Detail

itoa

itoa

makeDateStringLong

makeDateString

makeDigitalDateString

makeDigitalDateStringLong

makeTimeString

makeTimeString12H

makeSizeString

getDateString

makeISO8601DateString

makeISO8601DateString

makeISO8601TimestampString

makeISO8601TimestampString

parseDateString

getCurrencyValue

getCurrencyValue

luhnCheckNumber

getDotedNumber

getDotedNumber

getDotedNumber

getDotedNumberUS

getDotedNumberDE

fractionRound

format

currencyFormat