LocaleConversions

kpartlow · Feb 13, 2024 · 03dba88 · 03dba88
1 parent 5078935
commit 03dba88
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Showing 4 changed files with 74 additions and 10 deletions.
diff --git a/src/main/java/com/cedarsoftware/util/convert/Converter.java b/src/main/java/com/cedarsoftware/util/convert/Converter.java
@@ -3,6 +3,8 @@
 import java.io.Serializable;
 import java.math.BigDecimal;
 import java.math.BigInteger;
+import java.net.URI;
+import java.net.URL;
 import java.nio.ByteBuffer;
 import java.nio.CharBuffer;
 import java.sql.Timestamp;
@@ -23,6 +25,7 @@
 import java.util.AbstractMap;
 import java.util.Calendar;
 import java.util.Date;
+import java.util.Locale;
 import java.util.Map;
 import java.util.Set;
 import java.util.TreeMap;
@@ -628,6 +631,12 @@ private static void buildFactoryConversions() {
         CONVERSION_DB.put(pair(Map.class, Class.class), MapConversions::toClass);
         CONVERSION_DB.put(pair(String.class, Class.class), StringConversions::toClass);
 
+        // Class conversions supported
+        CONVERSION_DB.put(pair(Void.class, Locale.class), VoidConversions::toNull);
+        CONVERSION_DB.put(pair(Locale.class, Locale.class), Converter::identity);
+        CONVERSION_DB.put(pair(String.class, Locale.class), StringConversions::toLocale);
+        CONVERSION_DB.put(pair(Map.class, Locale.class), MapConversions::toLocale);
+
         // String conversions supported
         CONVERSION_DB.put(pair(Void.class, String.class), VoidConversions::toNull);
         CONVERSION_DB.put(pair(Byte.class, String.class), StringConversions::toString);
@@ -673,6 +682,9 @@ private static void buildFactoryConversions() {
         CONVERSION_DB.put(pair(OffsetTime.class, String.class), OffsetTimeConversions::toString);
         CONVERSION_DB.put(pair(OffsetDateTime.class, String.class), OffsetDateTimeConversions::toString);
         CONVERSION_DB.put(pair(Year.class, String.class), YearConversions::toString);
+        CONVERSION_DB.put(pair(Locale.class, String.class), LocaleConversions::toString);
+        CONVERSION_DB.put(pair(URL.class, String.class), StringConversions::toString);
+        CONVERSION_DB.put(pair(URI.class, String.class), StringConversions::toString);
 
         // Duration conversions supported
         CONVERSION_DB.put(pair(Void.class, Duration.class), VoidConversions::toNull);

diff --git a/src/main/java/com/cedarsoftware/util/convert/LocaleConversions.java b/src/main/java/com/cedarsoftware/util/convert/LocaleConversions.java
@@ -0,0 +1,11 @@
+package com.cedarsoftware.util.convert;
+
+import java.util.Locale;
+
+public final class LocaleConversions {
+    private LocaleConversions() {}
+
+    static String toString(Object from, Converter converter) {
+        return ((Locale)from).toLanguageTag();
+    }
+}
diff --git a/src/main/java/com/cedarsoftware/util/convert/MapConversions.java b/src/main/java/com/cedarsoftware/util/convert/MapConversions.java
@@ -20,6 +20,7 @@
 import java.util.Calendar;
 import java.util.Date;
 import java.util.LinkedHashMap;
+import java.util.Locale;
 import java.util.Map;
 import java.util.TimeZone;
 import java.util.UUID;
@@ -81,6 +82,9 @@ final class MapConversions {
     static final String DATE_TIME = "dateTime";
 
     private static final String ID = "id";
+    public static final String LANGUAGE = "language";
+    public static final String VARIANT = "variant";
+    private static String COUNTRY = "country";
 
     private MapConversions() {}
 
@@ -204,6 +208,32 @@ static Calendar toCalendar(Object from, Converter converter) {
         }
     }
 
+    private static final String[] LOCALE_PARAMS = new String[] { LANGUAGE };
+    static Locale toLocale(Object from, Converter converter) {
+        Map<?, ?> map = (Map<?, ?>) from;
+
+        if (map.containsKey(VALUE) || map.containsKey(V)) {
+            return fromValueForMultiKey(map, converter, Locale.class, LOCALE_PARAMS);
+        }
+
+        String language = converter.convert(map.get(LANGUAGE), String.class);
+        if (language == null) {
+            throw new IllegalArgumentException("java.util.Locale must specify 'language' field");
+        }
+        String country = converter.convert(map.get(COUNTRY), String.class);
+        String variant = converter.convert(map.get(VARIANT), String.class);
+
+        if (country == null) {
+            return new Locale(language);
+        }
+        if (variant == null) {
+            return new Locale(language, country);
+        }
+
+        return new Locale(language, country, variant);
+    }
+
+
     private static final String[] LOCAL_DATE_PARAMS = new String[] { YEAR, MONTH, DAY };
     static LocalDate toLocalDate(Object from, Converter converter) {
         Map<?, ?> map = (Map<?, ?>) from;
@@ -360,16 +390,18 @@ static YearMonth toYearMonth(Object from, Converter converter) {
 
     private static final String[] PERIOD_PARAMS = new String[] { YEARS, MONTHS, DAYS };
     static Period toPeriod(Object from, Converter converter) {
+
         Map<String, Object> map = (Map<String, Object>) from;
-        if (map.containsKey(YEARS) && map.containsKey(MONTHS) && map.containsKey(DAYS)) {
-            ConverterOptions options = converter.getOptions();
-            int years = converter.convert(map.get(YEARS), int.class);
-            int months = converter.convert(map.get(MONTHS), int.class);
-            int days = converter.convert(map.get(DAYS), int.class);
-            return Period.of(years, months, days);
-        } else {
+
+        if (map.containsKey(VALUE) || map.containsKey(V)) {
             return fromValueForMultiKey(from, converter, Period.class, PERIOD_PARAMS);
         }
+
+        Number years = converter.convert(map.getOrDefault(YEARS, 0), int.class);
+        Number months = converter.convert(map.getOrDefault(MONTHS, 0), int.class);
+        Number days = converter.convert(map.getOrDefault(DAYS, 0), int.class);
+
+        return Period.of(years.intValue(), months.intValue(), days.intValue());
     }
 
     static ZoneId toZoneId(Object from, Converter converter) {
@@ -391,10 +423,9 @@ static ZoneId toZoneId(Object from, Converter converter) {
     static ZoneOffset toZoneOffset(Object from, Converter converter) {
         Map<String, Object> map = (Map<String, Object>) from;
         if (map.containsKey(HOURS)) {
-            ConverterOptions options = converter.getOptions();
             int hours = converter.convert(map.get(HOURS), int.class);
-            int minutes = converter.convert(map.get(MINUTES), int.class);  // optional
-            int seconds = converter.convert(map.get(SECONDS), int.class);  // optional
+            int minutes = converter.convert(map.getOrDefault(MINUTES, 0), int.class);  // optional
+            int seconds = converter.convert(map.getOrDefault(SECONDS, 0), int.class);  // optional
             return ZoneOffset.ofHoursMinutesSeconds(hours, minutes, seconds);
         } else {
             return fromValueForMultiKey(from, converter, ZoneOffset.class, ZONE_OFFSET_PARAMS);

diff --git a/src/main/java/com/cedarsoftware/util/convert/StringConversions.java b/src/main/java/com/cedarsoftware/util/convert/StringConversions.java
@@ -25,6 +25,7 @@
 import java.util.Calendar;
 import java.util.Date;
 import java.util.GregorianCalendar;
+import java.util.Locale;
 import java.util.Optional;
 import java.util.UUID;
 import java.util.concurrent.atomic.AtomicBoolean;
@@ -351,6 +352,15 @@ static LocalTime toLocalTime(Object from, Converter converter) {
         }
     }
 
+    static Locale toLocale(Object from, Converter converter) {
+        String str = StringUtilities.trimToNull(asString(from));
+        if (str == null) {
+            return null;
+        }
+
+        return Locale.forLanguageTag(str);
+    }
+
     private static Optional<ZonedDateTime> parseDate(Object from, Converter converter) {
         String str = StringUtilities.trimToNull(asString(from));