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  1. package com.konstantin;
  2.  
  3.  
  4. import java.io.BufferedReader;
  5. import java.io.FileInputStream;
  6. import java.io.IOException;
  7. import java.io.InputStreamReader;
  8. import java.math.BigInteger;
  9. import java.util.HashMap;
  10. import java.util.Map;
  11. import java.util.Objects;
  12.  
  13. public class ConverterNumToWords {
  14.  
  15.     private final static String PATH_FILE = "dataName/nameUnits.txt";
  16.     private final static int MALE_GENDER = 1;
  17.     private final static int FEMALE_GENDER = -1;
  18.     private final static String SEPARATOR = " ";
  19.  
  20.     private static final Map<Integer, String> nameTriad = new HashMap<Integer, String>() {{
  21.         put(-2, "две");
  22.         put(-1, "одна");
  23.         put(0, "ноль");
  24.         put(1, "один");
  25.         put(2, "два");
  26.         put(3, "три");
  27.         put(4, "четыре");
  28.         put(5, "пять");
  29.         put(6, "шесть");
  30.         put(7, "семь");
  31.         put(8, "восемь");
  32.         put(9, "девять");
  33.         put(10, "десять");
  34.         put(11, "одиннадцать");
  35.         put(12, "двенадцать");
  36.         put(13, "тринадцать");
  37.         put(14, "четырнадцать");
  38.         put(15, "пятнадцать");
  39.         put(16, "шестнадцать");
  40.         put(17, "семнадцать");
  41.         put(18, "восемнадцать");
  42.         put(19, "девятнадцать");
  43.         put(20, "двадцать");
  44.         put(30, "тридцать");
  45.         put(40, "сорок");
  46.         put(50, "пятьдесят");
  47.         put(60, "шестьдесят");
  48.         put(70, "семьдесят");
  49.         put(80, "восемьдесят");
  50.         put(90, "девяносто");
  51.         put(100, "сто");
  52.         put(200, "двести");
  53.         put(300, "триста");
  54.         put(400, "четыреста");
  55.         put(500, "пятьсот");
  56.         put(600, "шестьсот");
  57.         put(700, "семьсот");
  58.         put(800, "восемьсот");
  59.         put(900, "девятьсот");
  60.  
  61.     }};
  62.  
  63.     private Map<Integer, String> nameUnits = new HashMap<Integer, String>() {{
  64.         put(1, "тысяч");
  65.     }};
  66.  
  67.     private final String[][] endings = {{"а", "и", ""}, {"", "а", "ов"}};
  68.  
  69.  
  70.     public ConverterNumToWords() {
  71.  
  72.         readNameUnitFromFile();
  73.  
  74.     }
  75.  
  76.     private void readNameUnitFromFile() {
  77.         try (BufferedReader br = new BufferedReader(
  78.                 new InputStreamReader(
  79.                         new FileInputStream(PATH_FILE), "UTF8"))) {
  80.             String tmpLineStr;
  81.             String Units[];
  82.             while ((tmpLineStr = br.readLine()) != null) {
  83.                 if (!Objects.equals(tmpLineStr , "")) {
  84.                     Units = tmpLineStr.split(SEPARATOR);
  85.                     nameUnits.put(Integer.valueOf(Units[0]), Units[1]);
  86.                 }
  87.             }
  88.  
  89.  
  90.         } catch (IOException ex) {
  91.             throw new RuntimeException(ex);
  92.         }
  93.     }
  94.  
  95.     private String convertTriad(String triad, int gender) {
  96.         int hundreds = Character.getNumericValue(triad.charAt(0));
  97.         int dozens = Character.getNumericValue(triad.charAt(1));
  98.         int units = Character.getNumericValue(triad.charAt(2));
  99.         if (Objects.equals(triad, "000")) return "";
  100.         String words = "";
  101.         if (hundreds != 0)
  102.             words += nameTriad.get(hundreds * 100) + SEPARATOR;
  103.         if (dozens == 1 && units <= 9 && units >= 0)   //Для чисел от 10 до 19 ключи для мапа считаются отдельно
  104.             words += nameTriad.get(dozens * 10 + units) + SEPARATOR;
  105.         else {
  106.             if (dozens != 0)
  107.                 words += nameTriad.get(dozens * 10) + SEPARATOR;
  108.             if (units != 0 && units > 2)
  109.                 words += nameTriad.get(units) + SEPARATOR;
  110.             else if (units != 0 && units <= 2)
  111.                 words += nameTriad.get(units * gender) + SEPARATOR;
  112.         }
  113.         return words;
  114.     }
  115.  
  116.     /**
  117.      * Получаем номер окончания  для названия из мап nameUnit, основываясь на числе n ,в массиве ending
  118.      */
  119.     private int selectForm(int n) {
  120.         n = Math.abs(n) % 100;
  121.         int n1 = n % 10;
  122.         if (n > 10 && n < 20) return 2;
  123.         if (n1 > 1 && n1 < 5) return 1;
  124.         if (n1 == 1) return 0;
  125.         return 2;
  126.     }
  127.  
  128.     private String getFormNameUnit(int degree, String number) {
  129.         if (nameUnits.get(degree) == null && degree != 0) throw new NullPointerException("Dont exist name " +
  130.                 degree + " thousands of degrees");
  131.         if (Objects.equals(number, "000")) return "";
  132.         if (degree == 1) return nameUnits.get(degree) + endings[0][selectForm(Integer.parseInt(number))] + SEPARATOR;
  133.         if (degree > 1) return nameUnits.get(degree) + endings[1][selectForm(Integer.parseInt(number))] + SEPARATOR;
  134.         else
  135.             return "";
  136.     }
  137.  
  138.     /**
  139.      * Конвертирует число number в запись словами
  140.      */
  141.     public String convertNumbToWords(BigInteger number) {
  142.         String numberStr = number.toString();
  143.  
  144.         if (Objects.equals(numberStr, "0")) return nameTriad.get(0);
  145.  
  146.         String nameNumber = "";
  147.  
  148.         if (numberStr.charAt(0) == '-') {
  149.             nameNumber += "минус ";
  150.             numberStr = numberStr.substring(1);
  151.         }
  152.  
  153.         for (int i = 0; i < numberStr.length() % 3; i++)
  154.             numberStr = "0" + numberStr;
  155.  
  156.         for (int i = 0; i < numberStr.length() / 3; i++) {
  157.             int degree = numberStr.length() / 3 - i - 1;
  158.             if (degree == 1)
  159.                 nameNumber += convertTriad(numberStr.substring((i * 3), i * 3 + 3), FEMALE_GENDER) +
  160.                         getFormNameUnit(degree, numberStr.substring((i * 3), i * 3 + 3));
  161.             else
  162.                 nameNumber += convertTriad(numberStr.substring((i * 3), i * 3 + 3), MALE_GENDER) +
  163.                         getFormNameUnit(degree, numberStr.substring((i * 3), i * 3 + 3));
  164.         }
  165.         return nameNumber.trim();
  166.     }
  167.  
  168.  
  169. }
  170.  
Compilation error #stdin compilation error #stdout 0s 0KB
comments (?)
stdin 
Standard input is empty
compilation info 
Main.java:13: error: class ConverterNumToWords is public, should be declared in a file named ConverterNumToWords.java
public class ConverterNumToWords {
       ^
1 error
stdout 
Standard output is empty
https://ideone.com/Y3CsGw
language:
Java (HotSpot 12)
created:
8 years ago
visibility:
public

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