com.novell.xsl.number
Class AlphabeticNumberFormatter

java.lang.Object
  com.novell.xsl.number.AlphabeticNumberFormatter

All Implemented Interfaces:

NumberFormatter

public class AlphabeticNumberFormatter

extends Object

implements NumberFormatter

A class that formats integers into an alphabetic representation. This class corresponds to the xsl:number format tokens a and A, and can be used to support other alphabetic formats.

Alphabetic number formats are characterized by their ability to use "digits" with non-sequential Unicode values and by the absence of a "digit" that represents zero.

Constructor Summary

AlphabeticNumberFormatter(String digits)
Constructs an alphabetic number formatter that uses the specified characters as digits.

Method Summary

String

format(int value) Formats the specified positive integer value into an alphabetic number.

Methods inherited from class java.lang.Object

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

Constructor Detail

AlphabeticNumberFormatter

public AlphabeticNumberFormatter(String digits)

Constructs an alphabetic number formatter that uses the specified characters as digits.

For example, the number formatter created by new AlphabeticNumberFormatter("abcdefghijklmnopqrstuvwxyz") corresponds to the format token a. It generates the sequence a b c ... z aa ab ac ....

Parameters:

digits - the characters to be used as digits

Method Detail

format

public String format(int value)
              throws IllegalArgumentException

Formats the specified positive integer value into an alphabetic number.

Specified by:

format in interface NumberFormatter

Parameters:

value - the value to be formatted; must be greater than zero

Returns:

the formatted value

Throws:

IllegalArgumentException - if the value is less than or equal to zero