Persian Language support

src/main/java/pl/allegro/finance/tradukisto/MoneyConverters.java

@@ -16,6 +16,7 @@
 import static pl.allegro.finance.tradukisto.internal.Container.italianContainer;
 import static pl.allegro.finance.tradukisto.internal.Container.kazakhContainer;
 import static pl.allegro.finance.tradukisto.internal.Container.latvianContainer;
+import static pl.allegro.finance.tradukisto.internal.Container.persianContainer;
 import static pl.allegro.finance.tradukisto.internal.Container.polishContainer;
 import static pl.allegro.finance.tradukisto.internal.Container.russianContainer;
 import static pl.allegro.finance.tradukisto.internal.Container.serbianCyrillicContainer;
@@ -39,6 +40,7 @@ public enum MoneyConverters {
     ITALIAN_BANKING_MONEY_VALUE(italianContainer().getBankingMoneyConverter()),
     CROATIAN_BANKING_MONEY_VALUE(croatianContainer().getBankingMoneyConverter()),
     CZECH_BANKING_MONEY_VALUE(czechContainer().getBankingMoneyConverter()),
+    PERSIAN_BANKING_MONEY_VALUE(persianContainer().getBankingMoneyConverter()),
     SLOVAK_BANKING_MONEY_VALUE(slovakContainer().getBankingMoneyConverter()),
     LATVIAN_BANKING_MONEY_VALUE(latvianContainer().getBankingMoneyConverter()),
     KAZAKH_BANKING_MONEY_VALUE(kazakhContainer().getBankingMoneyConverter()),

src/main/java/pl/allegro/finance/tradukisto/internal/Container.java

@@ -27,6 +27,7 @@
 import pl.allegro.finance.tradukisto.internal.languages.italian.ItalianValues;
 import pl.allegro.finance.tradukisto.internal.languages.kazakh.KazakhValues;
 import pl.allegro.finance.tradukisto.internal.languages.latvian.LatvianValues;
+import pl.allegro.finance.tradukisto.internal.languages.persian.PersianValues;
 import pl.allegro.finance.tradukisto.internal.languages.polish.PolishValues;
 import pl.allegro.finance.tradukisto.internal.languages.portuguese.BrazilianPortugueseValues;
 import pl.allegro.finance.tradukisto.internal.languages.portuguese.PortugueseIntegerToWordsConverter;
@@ -216,6 +217,22 @@ public static Container brazilianPortugueseContainer() {
 
         return new Container(converter, null, bigDecimalBankingMoneyValueConverter);
     }
+
+    public static Container persianContainer()
+    {
+        PersianValues persianValues = new PersianValues();
+        HundredsToWordsConverter hundredsToStringConverter = new HundredsToWordsConverter(persianValues.baseNumbers(),
+                persianValues.twoDigitsNumberSeparator());
+
+        pl.allegro.finance.tradukisto.internal.languages.persian.IntegerToWordsConverter integerConverter = 
+                new pl.allegro.finance.tradukisto.internal.languages.persian.IntegerToWordsConverter(
+                hundredsToStringConverter, persianValues.pluralForms());
+
+        return new Container(integerConverter,
+                new pl.allegro.finance.tradukisto.internal.languages.persian.BigDecimalToBankingMoneyConverter(integerConverter,
+                        persianValues.currency()));
+    }
+
 
     public static Container turkishContainer() {
         TurkishValues values = new TurkishValues();

src/main/java/pl/allegro/finance/tradukisto/internal/languages/persian/BigDecimalToBankingMoneyConverter.java

@@ -0,0 +1,54 @@
+package pl.allegro.finance.tradukisto.internal.languages.persian;
+
+import java.math.BigDecimal;
+
+import pl.allegro.finance.tradukisto.internal.BigDecimalToStringConverter;
+import pl.allegro.finance.tradukisto.internal.IntegerToStringConverter;
+import static com.google.common.base.Preconditions.checkArgument;
+import static java.lang.String.format;
+
+public class BigDecimalToBankingMoneyConverter implements BigDecimalToStringConverter {
+
+    private static final String FORMAT = "%s %s \u0648 %02d \u0635\u062F\u0645";
+    private static final String FORMAT_INT = "%s %s";
+    private static final int MAXIMAL_DECIMAL_PLACES_COUNT = 2;
+
+    private final IntegerToStringConverter converter;
+    private final String currencySymbol;
+
+    public BigDecimalToBankingMoneyConverter(IntegerToStringConverter converter, String currencySymbol) {
+        this.converter = converter;
+        this.currencySymbol = currencySymbol;
+    }
+
+    @Override
+    public String asWords(BigDecimal value) {
+        validate(value);
+
+        Integer units = value.intValue();
+        Integer subunits = value.remainder(BigDecimal.ONE).multiply(new BigDecimal(100)).intValue();
+        if(subunits > 0)
+            return format(FORMAT, converter.asWords(units), currencySymbol, subunits);
+        else
+            return format(FORMAT_INT, converter.asWords(units), currencySymbol, subunits);
+    }
+
+    private void validate(BigDecimal value) {
+        checkArgument(value.scale() <= MAXIMAL_DECIMAL_PLACES_COUNT,
+                "can't transform more than %s decimal places for value %s", MAXIMAL_DECIMAL_PLACES_COUNT, value);
+
+        checkArgument(valueLessThatIntMax(value),
+                "can't transform numbers greater than Integer.MAX_VALUE for value %s", value);
+
+        checkArgument(valueGreaterThanOrEqualToZero(value),
+                "can't transform negative numbers for value %s", value);
+    }
+
+    private boolean valueLessThatIntMax(BigDecimal value) {
+        return value.compareTo(new BigDecimal(Integer.MAX_VALUE).add(BigDecimal.ONE)) == -1;
+    }
+
+    private boolean valueGreaterThanOrEqualToZero(BigDecimal value) {
+        return value.signum() >= 0;
+    }
+}

src/main/java/pl/allegro/finance/tradukisto/internal/languages/persian/IntegerToWordsConverter.java

@@ -0,0 +1,66 @@
+package pl.allegro.finance.tradukisto.internal.languages.persian;
+
+import java.util.Iterator;
+import java.util.List;
+
+import com.google.common.base.Joiner;
+import com.google.common.base.Splitter;
+
+import pl.allegro.finance.tradukisto.internal.GenderAwareIntegerToStringConverter;
+import pl.allegro.finance.tradukisto.internal.IntegerToStringConverter;
+import pl.allegro.finance.tradukisto.internal.languages.PluralForms;
+
+/**
+ * @author omidp
+ *
+ */
+public class IntegerToWordsConverter extends pl.allegro.finance.tradukisto.internal.converters.IntegerToWordsConverter
+{
+
+    private final List<PluralForms> pluralForms;
+
+    public IntegerToWordsConverter(GenderAwareIntegerToStringConverter hundredsToWordsConverter, List<PluralForms> pluralForms)
+    {
+        super(hundredsToWordsConverter, pluralForms);
+        this.pluralForms = pluralForms;
+    }
+
+    public IntegerToWordsConverter(IntegerToStringConverter hundredsToWordsConverter, List<PluralForms> pluralForms)
+    {
+        super(hundredsToWordsConverter, pluralForms);
+        this.pluralForms = pluralForms;
+    }
+
+
+    @Override
+    protected String joinParts(List<String> result)
+    {
+        if (result.size() == 0) {
+            return hundredsToWordsConverter.asWords(0, pluralForms.get(0).genderType());
+        }
+        StringBuilder sb = new StringBuilder();
+        int counter = 0;
+        for (String item : result)
+        {
+            if(item != null && item.trim().length() > 0)
+            {
+                if(counter > 1)
+                {
+                    Iterable<String> split = Splitter.on(" ").split(item);
+                    for (Iterator iterator = split.iterator(); iterator.hasNext();)
+                    {                    
+                        sb.append(" \u0648 ");
+                        String string = (String) iterator.next();
+                        sb.append(string);                        
+                    }
+                }
+                else
+                    sb.append(item).append(" ");
+            }
+            counter++;
+        }
+//        return Joiner.on(" ").join(result).trim();
+        return sb.toString();
+    }
+
+}

src/main/java/pl/allegro/finance/tradukisto/internal/languages/persian/PersianPluralForms.java

@@ -0,0 +1,29 @@
+package pl.allegro.finance.tradukisto.internal.languages.persian;
+
+import pl.allegro.finance.tradukisto.internal.languages.GenderType;
+import pl.allegro.finance.tradukisto.internal.languages.PluralForms;
+
+/**
+ * @author omidp
+ *
+ */
+public class PersianPluralForms implements PluralForms
+{
+
+    private final String form;
+
+    public PersianPluralForms(String form) {
+        this.form = form;
+    }
+
+    @Override
+    public String formFor(Integer value) {
+        return form;
+    }
+
+    @Override
+    public GenderType genderType() {
+        return GenderType.NON_APPLICABLE;
+    }
+
+}

src/main/java/pl/allegro/finance/tradukisto/internal/languages/persian/PersianValues.java

@@ -0,0 +1,59 @@
+package pl.allegro.finance.tradukisto.internal.languages.persian;
+
+import static pl.allegro.finance.tradukisto.internal.support.BaseNumbersBuilder.baseNumbersBuilder;
+
+import java.util.Arrays;
+import java.util.List;
+import java.util.Map;
+
+import pl.allegro.finance.tradukisto.internal.BaseValues;
+import pl.allegro.finance.tradukisto.internal.languages.GenderForms;
+import pl.allegro.finance.tradukisto.internal.languages.PluralForms;
+
+/**
+ * @author omidp
+ *
+ */
+public class PersianValues implements BaseValues
+{
+
+    @Override
+    public Map<Integer, GenderForms> baseNumbers()
+    {
+        return baseNumbersBuilder().put(0, "\u0635\u0641\u0631").put(1, "\u06CC\u06A9").put(2, "\u062F\u0648").put(3, "\u0633\u0647")
+                .put(4, "\u0686\u0647\u0627\u0631").put(5, "\u067E\u0646\u062C").put(6, "\u0634\u0634").put(7, "\u0647\u0641\u062A")
+                .put(8, "\u0647\u0634\u062A").put(9, "\u0646\u0647").put(10, "\u062F\u0647").put(11, "\u06CC\u0627\u0632\u062F\u0647")
+                .put(12, "\u062F\u0648\u0627\u0632\u062F\u0647").put(13, "\u0633\u06CC\u0632\u062F\u0647")
+                .put(14, "\u0686\u0647\u0627\u0631\u062F\u0647").put(15, "\u067E\u0627\u0646\u0632\u062F\u0647")
+                .put(16, "\u0634\u0627\u0646\u0632\u062F\u0647").put(17, "\u0647\u0641\u062F\u0647").put(18, "\u0647\u062C\u062F\u0647")
+                .put(19, "\u0646\u0648\u0632\u062F\u0647").put(20, "\u0628\u06CC\u0633\u062A").put(30, "\u0633\u06CC")
+                .put(40, "\u0686\u0647\u0644").put(50, "\u067E\u0646\u062C\u0627\u0647").put(60, "\u0634\u0635\u062A")
+                .put(70, "\u0647\u0641\u062A\u0627\u062F").put(80, "\u0647\u0634\u062A\u0627\u062F").put(90, "\u0646\u0648\u062F")
+                .put(100, "\u0635\u062F").put(200, "\u062F\u0648\u06CC\u0633\u062A").put(300, "\u0633\u06CC\u0635\u062F")
+                .put(400, "\u0686\u0647\u0627\u0631\u0635\u062F").put(500, "\u067E\u0627\u0646\u0635\u062F")
+                .put(600, "\u0634\u0634\u0635\u062F").put(700, "\u0647\u0641\u062A\u0635\u062F").put(800, "\u0647\u0634\u062A\u0635\u062F")
+                .put(900, "\u0646\u0647\u0635\u062F").build();
+    }
+
+    @Override
+    public List<PluralForms> pluralForms()
+    {
+        return Arrays.asList(new PersianPluralForms(""), new PersianPluralForms("\u0647\u0632\u0627\u0631"),
+                new PersianPluralForms("\u0645\u06CC\u0644\u06CC\u0648\u0646"),
+                new PersianPluralForms("\u0645\u06CC\u0644\u06CC\u0627\u0631\u062F"));
+    }
+
+    @Override
+    public String currency()
+    {
+        return "";
+    }
+
+    @Override
+    public char twoDigitsNumberSeparator()
+    {
+        return ' ';
+    }
+
+
+}