updates to translations

src/main/java/carpet/utils/Translations.java

@@ -0,0 +1,68 @@
+package carpet.utils;
+
+import carpet.CarpetSettings;
+import com.google.gson.Gson;
+import com.google.gson.GsonBuilder;
+import com.google.gson.reflect.TypeToken;
+import net.minecraft.server.command.ServerCommandSource;
+import org.apache.commons.io.IOUtils;
+
+import java.io.IOException;
+import java.lang.reflect.Type;
+import java.nio.charset.StandardCharsets;
+import java.util.Map;
+import java.util.Objects;
+
+public class Translations
+{
+    private static Map<String, String> translationMap;
+
+    public static String tr(String key)
+    {
+        return translationMap == null ? key : translationMap.getOrDefault(key, key);
+    }
+
+    public static String tr(String key, String str)
+    {
+        return translationMap == null ? str : translationMap.getOrDefault(key, str);
+    }
+
+    public static boolean hasTranslations()
+    {
+        return translationMap != null;
+    }
+
+    public static boolean hasTranslation(String key)
+    {
+        return translationMap != null && translationMap.containsKey(key);
+    }
+
+    public static void updateLanguage(ServerCommandSource source)
+    {
+        if (CarpetSettings.language.equalsIgnoreCase("none"))
+        {
+            translationMap = null;
+            return;
+        }
+        String langJs;
+        try
+        {
+            langJs = IOUtils.toString(
+                    Objects.requireNonNull(Translations.class.getClassLoader().getResourceAsStream(String.format("assets/carpet/lang/%s.json", CarpetSettings.language))),
+                    StandardCharsets.UTF_8);
+        } catch (NullPointerException | IOException e) {
+            Messenger.m(source, "r Failed to update language");
+            return;
+        }
+        Gson gson = new GsonBuilder().enableComplexMapKeySerialization().create();
+        Type type = new TypeToken<Map<String, String>>() {}.getType();
+        translationMap = gson.fromJson(langJs, type);
+    }
+
+
+    public static boolean isValidLanguage(String newValue)
+    {
+        // will put some validations for availble languages at some point
+        return true;
+    }
+}