1 files changed, 27 insertions, 0 deletions
diff --git a/src/main/java/de/pixart/messenger/utils/LanguageUtils.java b/src/main/java/de/pixart/messenger/utils/LanguageUtils.java
new file mode 100644
index 000000000..f0229e785
--- /dev/null
+++ b/src/main/java/de/pixart/messenger/utils/LanguageUtils.java
@@ -0,0 +1,27 @@
+package de.pixart.messenger.utils;
+
+import com.google.common.collect.ImmutableMap;
+
+import java.util.Locale;
+import java.util.Map;
+
+public class LanguageUtils {
+    private static final Map<String, String> LANGUAGE_MAP;
+
+    static {
+        ImmutableMap.Builder<String, String> builder = new ImmutableMap.Builder<>();
+        builder.put("german", "de");
+        builder.put("deutsch", "de");
+        builder.put("english", "en");
+        builder.put("russian", "ru");
+        LANGUAGE_MAP = builder.build();
+    }
+
+    public static String convert(final String in) {
+        if (in == null) {
+            return null;
+        }
+        final String out = LANGUAGE_MAP.get(in.toLowerCase(Locale.US));
+        return out == null ? in : out;
+    }
+}