corba.rar_The Program

public class ConvertorC { public String convertor(String nr) { nr.trim(); if(IsArabic(nr)) return convert(nr); else return Long.toString(getNumber(nr)); } private boolean IsArabic(String nr){ String ValidChars = "0123456789"; boolean IsNumber=true; char ch; for (int i = 0; i < nr.length() && IsNumber == true; i++){ ch = nr.charAt(i); if (ValidChars.indexOf(ch) == -1){ IsNumber = false; } } return IsNumber; } public String convert(String nr) { String conversie = ""; try { long number = Long.parseLong(nr); if (number > 0 && number <= 3999) { conversie += getThousands(number); conversie += getHundreds(number); conversie += getDigits(number); conversie += getUnits(number); } if (number > 3999 && number <= 3999999) { conversie += "("; long aNumber = number / 1000; conversie += getThousands(aNumber); conversie += getHundreds(aNumber); conversie += getDigits(aNumber); conversie += getUnits(aNumber); conversie += ")"; long bNumber = number % 1000; conversie += getThousands(bNumber); conversie += getHundreds(bNumber); conversie += getDigits(bNumber); conversie += getUnits(bNumber); } if (number > 3999999 && number <= 3999999999L) { conversie += "["; long aNumber = number / 1000000; conversie += getThousands(aNumber); conversie += getHundreds(aNumber); conversie += getDigits(aNumber); conversie += getUnits(aNumber); conversie += "]("; long bNumber = (number % 1000000) / 1000; conversie += getThousands(bNumber); conversie += getHundreds(bNumber); conversie += getDigits(bNumber); conversie += getUnits(bNumber); conversie += ")"; long cNumber = number % 1000; conversie += getThousands(cNumber); conversie += getHundreds(cNumber); conversie += getDigits(cNumber); conversie += getUnits(cNumber); } } catch (Exception e) { if(nr.contains("[")) { long a=getNumber(nr.substring(nr.indexOf("[")+1, nr.indexOf("]"))); long b=getNumber(nr.substring(nr.indexOf("(")+1, nr.indexOf(")"))); long c=getNumber(nr.substring(nr.indexOf(")")+1, nr.length())); long result=a*1000000+b*1000+c; conversie=Long.toString(result); } else if(nr.contains("(")) { long a=getNumber(nr.substring(nr.indexOf("(")+1, nr.indexOf(")"))); long b=getNumber(nr.substring(nr.indexOf(")")+1, nr.length())); long result=a*1000+b; conversie=Long.toString(result); } else { long a=getNumber(nr); long result=a; conversie=Long.toString(result); } } return conversie; } private long getNumber(String num) { int i=0,h=0,t=0,u=0; long n=0; num=num.toUpperCase(); if(num.length()>1){ while(num.charAt(i)=='M') {i++;} n=i*1000; if(num.substring(i,i+1).contentEquals("D")) {h=5;i++;} else if(num.substring(i,i+2).contentEquals("CM")) {h=9;i+=2;} else if(num.substring(i,i+2).contentEquals("CD")) {h=4;i+=2;} else if(h==0 || h==5) {while (i<num.length() && num.charAt(i)=='C'){h++;i++;}} n+=h*100; if(num.substring(i,i+1).contentEquals("L")) {t=5;i++;} else if(num.substring(i,i+2).contentEquals("XC")) {t=9;i+=2;} else if(num.substring(i,i+2).contentEquals("XL")) {t=4;i+=2;} else if(t==0 || t==5) {while (i<num.length() && num.charAt(i)=='X'){t++;i++;}} n+=t*10; if(num.substring(i,i+1).contentEquals("V")) {u=5;i++;} else if(num.substring(i,i+2).contentEquals("IX")) {u=9;i+=2;} else if(num.substring(i,i+2).contentEquals("IV")) {u=4;i+=2;} else if(u==0 || u==5) {while (i<num.length() && num.charAt(i)=='I'){u++;i++;}} n+=u; return n; } if(num.equals("I")) return 1; if(num.equals("V")) return 5; if(num.equals("X")) return 10; if(num.equals("L")) return 50; if(num.equals("C")) return 100; if(num.equals("D")) return 500; if(num.equals("M")) return 1000; return 0; } private String getThousands(long number) { return "MMM".substring(0, (int) number / 1000); } private String getHundreds(long number) { String roman = ""; number = (number % 1000) / 100; if (number == 9) { roman += "CM"; } else if (number > 4) { roman += "DCCC".substring(0, (int) number - 4); } else if (number == 4) { roman += "CD"; } else { roman += "CCC".substring(0, (int) number); } return roman; } private String getDigits(long number) { String roman = ""; number = (number % 100) / 10; if (number == 9) { roman += "XC"; } else if (number > 4) { roman += "LXXX".substring(0, (int) number - 4); } else if (number == 4) { roman += "XL"; } else { roman += "XXX".substring(0, (int) number); } return roman; } private String getUnits(long number) { String roman = ""; number = (number % 10); if (number == 9) { roman += "IX"; } else if (number > 4) { roman += "VIII".substring(0, (int) number - 4); } else if (number == 4) { roman += "IV"; } else { roman += "III".substring(0, (int) number); } return roman; } }