Added NPE Precondition (#1417)

fixes #1416 Signed-off-by: Amit Kumar Mondal <[email protected]>
zsmartsystems · Feb 19, 2024 · f20e309 · f20e309
1 parent 1356681
commit f20e309
Showing 1 changed file with 3 additions and 0 deletions.
diff --git a/...ems.zigbee.dongle.ember/src/main/java/com/zsmartsystems/zigbee/dongle/ember/EmberNcp.java b/...ems.zigbee.dongle.ember/src/main/java/com/zsmartsystems/zigbee/dongle/ember/EmberNcp.java
@@ -7,6 +7,8 @@
  */
 package com.zsmartsystems.zigbee.dongle.ember;
 
+import static java.util.Objects.requireNonNull;
+
 import java.util.ArrayList;
 import java.util.Arrays;
 import java.util.Collection;
@@ -192,6 +194,7 @@ public class EmberNcp {
      * @param protocolHandler the {@link EzspFrameHandler} used for communicating with the NCP
      */
     public EmberNcp(EzspProtocolHandler protocolHandler) {
+        requireNonNull(protocolHandler, "Protocol handler cannot be null");
         this.protocolHandler = protocolHandler;
     }