update code : change if to switch case

dota17 · dota17 · commit d06cff20b6e1 · 2020-08-29T12:07:32.000+08:00
diff --git a/src/main/java/org/java_websocket/drafts/Draft_6455.java b/src/main/java/org/java_websocket/drafts/Draft_6455.java
@@ -660,19 +660,16 @@ private void translateSingleFrameCheckPacketSize(int maxpacketsize, int realpack
    * @return byte that represents which RSV bit is set.
    */
   private byte getRSVByte(int rsv) {
-    if (rsv == 1) // 0100 0000
-    {
-      return 0x40;
-    }
-    if (rsv == 2) // 0010 0000
-    {
-      return 0x20;
-    }
-    if (rsv == 3) // 0001 0000
-    {
-      return 0x10;
+    switch (rsv) {
+      case 1 : // 0100 0000
+        return 0x40;
+      case 2 : // 0010 0000
+        return 0x20;
+      case 3 : // 0001 0000
+        return 0x10;
+      default:
+        return 0;
     }
-    return 0;
   }
 
   /**
