Generic class for Amount in words

package com.evolvus.common.util;

public class AmountInWords {

final static String units[] = {"","one ","two ","three ","four ","five ","six ",

"seven ","eight ","nine ","ten ","eleven ","twelve ","thirteen ",

"fourteen ","fifteen ","sixteen ","seventeen ","eighteen ","nineteen "};

String tens[] = {"", "ten ","twenty ","thirty ","forty ","fifty ","sixty ","seventy ",

"eighty ","ninety "};

public String format(String aHigherCurrency, String aLowerCurrency,

String aAmount, String aSystemCurrencyFormat,int decimalLength) {

String words="";

String[] systemCurrencyFormats = aSystemCurrencyFormat.split(",");

int formatCount = systemCurrencyFormats[0].length();

String higherCurrencyValue = null;

String lowerCurrencyValue = null;

String[] amounts = aAmount.split("\\.");

if (amounts != null && amounts.length > 0) {

higherCurrencyValue = amounts[0];

if (amounts.length > 1)

lowerCurrencyValue = amounts[1];

}

words=words.concat(aHigherCurrency);

words=words.concat(" ");

/* Call to amount to words for higher currency */

words=words.concat(this.intialFormat(Integer.parseInt(higherCurrencyValue), formatCount));

if (lowerCurrencyValue != null) {

if (lowerCurrencyValue.length() > decimalLength) {

lowerCurrencyValue = lowerCurrencyValue.substring(0,

decimalLength);

}

words=words.concat("and ");

/* Call to amount to words for lower currency */

words=words.concat(this.intialFormat(Integer.parseInt(lowerCurrencyValue), 2));

words=words.concat(aLowerCurrency);

}

return words;

}

public String intialFormat(int amount,int foramt)

{

String words = "";

String tword="";

if(foramt==3){

int millions = amount / 1000000;

tword =threeDigits(millions);

if(tword.length()>1)

words=tword + "million ";

amount-= millions*1000000;

}

else if (foramt==2){

int crore = amount / 10000000;

tword =threeDigits(crore);

tword = threeDigits(crore);

if(tword.length()>1)

words+= tword + "crore ";

amount-= crore*10000000;

int lakhs = amount / 100000;

tword = threeDigits(lakhs);

if(tword.length()>1)

words+= tword + "lakh ";

amount-= lakhs*100000;

}

int thousands = amount / 1000;

tword = threeDigits(thousands);

if(tword.length()>1)

words+= tword + "thousand ";

amount-=thousands*1000;

words+=threeDigits(amount);

return words;

}

public String threeDigits(int digits)

{

String digWord = "";

int hnd = digits / 100;

if(hnd>0)

digWord+=units[hnd] + "hundred ";

int ten = digits - hnd *100;

if(ten<20)>

digWord+= units[ten];

else

{

int tenth = ten / 10;

digWord+=tens[tenth];

int last = ten - tenth*10;

digWord+= units[last];

}

return digWord;

}

public static void main(String args[]){

AmountInWords a = new AmountInWords();

/* Inputs

*

* Higher Currency

* Lower Currency

* Amount

* SystemConfiguration

* Selected Currency Decimal Points

* */

String s=a.format("Rupees", "Paisa", "3451234.425", "##,###", 3);

System.out.println(s);

}

}