Bumped Jabit version to prepare for conversations

app/src/main/java/ch/dissem/apps/abit/util/UuidUtils.java

@@ -0,0 +1,37 @@
+package ch.dissem.apps.abit.util;
+
+import java.nio.ByteBuffer;
+import java.util.UUID;
+
+/**
+ * SQLite has no UUID data type, and UUIDs are therefore best saved as BINARY[16]. This class
+ * takes care of conversion between byte[16] and UUID.
+ * <p>
+ * Thanks to Brice Roncace on
+ * <a href="http://stackoverflow.com/questions/17893609/convert-uuid-to-byte-that-works-when-using-uuid-nameuuidfrombytesb">
+ * Stack Overflow
+ * </a>
+ * for providing the UUID <-> byte[] conversions.
+ * </p>
+ */
+public class UuidUtils {
+    public static UUID asUuid(byte[] bytes) {
+        if (bytes == null) {
+            return null;
+        }
+        ByteBuffer bb = ByteBuffer.wrap(bytes);
+        long firstLong = bb.getLong();
+        long secondLong = bb.getLong();
+        return new UUID(firstLong, secondLong);
+    }
+
+    public static byte[] asBytes(UUID uuid) {
+        if (uuid == null) {
+            return null;
+        }
+        ByteBuffer bb = ByteBuffer.wrap(new byte[16]);
+        bb.putLong(uuid.getMostSignificantBits());
+        bb.putLong(uuid.getLeastSignificantBits());
+        return bb.array();
+    }
+}