org.cip4.jdflib.util

Class NumberFormatter

java.lang.Object

org.cip4.jdflib.util.NumberFormatter

public class NumberFormatter
extends Object

class to format integers, longs, doubles etc.

Author:

Rainer Prosi, Heidelberger Druckmaschinen *

Constructor Summary

Constructors

Constructor and Description
NumberFormatter() set up the defaults

Method Summary

Methods

Modifier and Type	Method and Description
String	formatDouble(double d) returns a formatted double.
String	formatDouble(double d, int precision) returns a formatted double.
String	formatInt(int i, int length) returns a formatted double.
void	setZapp0(boolean zapp0) if set, remove trailing 0

Methods inherited from class java.lang.Object

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

Constructor Detail

NumberFormatter

public NumberFormatter()

set up the defaults

Method Detail

setZapp0

public void setZapp0(boolean zapp0)

if set, remove trailing 0

Parameters:

zapp0 -

formatInt

public String formatInt(int i,
               int length)

returns a formatted double. Truncates to exactly precision digits after the "."
If precision=0, the . is stripped

Parameters:

i - the integer to format

length - maximum precision, depending on value of zapp0, leading 0s are discarded or kept

Returns:

the formatted string that represents the integer

formatDouble

public String formatDouble(double d,
                  int precision)

returns a formatted double. Truncates to at most precision digits after the "."
If precision=0, the . is stripped

Parameters:

d - the double to format

precision - maximum precision, depending on value of zapp0, trailing 0s are discarded or kept

Returns:

the formatted string that represents d TBD handle exp format, null if NaN

formatDouble

public String formatDouble(double d)

returns a formatted double. Truncates to 8 digits after the "."
If the double is representable as an integer, any ".0" is stripped.

Parameters:

d - the double to format

Returns:

the formatted string that represents d TBD handle exp format