Polishing.

extensions/neo4j/runtime/src/main/java/io/quarkus/neo4j/runtime/Neo4jConfiguration.java

@@ -37,7 +37,7 @@ public class Neo4jConfiguration {
      * If the driver should use encrypted traffic.
      */
     @ConfigItem(defaultValue = "false")
-    public boolean encrypted = false;
+    public boolean encrypted;
 
     /**
      * Configure trust settings for encrypted traffic.
@@ -72,7 +72,7 @@ static class Authentication {
          * Set this to true to disable authentication.
          */
         @ConfigItem(defaultValue = "false")
-        public boolean disabled = false;
+        public boolean disabled;
     }
 
     @ConfigGroup
@@ -91,7 +91,7 @@ public enum Strategy {
          * Configures which trust strategy to apply when using encrypted traffic.
          */
         @ConfigItem(defaultValue = "TRUST_SYSTEM_CA_SIGNED_CERTIFICATES")
-        public Strategy strategy = Strategy.TRUST_SYSTEM_CA_SIGNED_CERTIFICATES;
+        public Strategy strategy;
 
         /**
          * The file of the certificate to use.
@@ -103,12 +103,13 @@ public enum Strategy {
          * If hostname verification is used.
          */
         @ConfigItem(defaultValue = "false")
-        public boolean hostnameVerificationEnabled = false;
+        public boolean hostnameVerificationEnabled;
 
         Config.TrustStrategy toInternalRepresentation() {
 
             Config.TrustStrategy internalRepresentation;
-            switch (this.strategy) {
+            Strategy nonNullStrategy = strategy == null ? Strategy.TRUST_SYSTEM_CA_SIGNED_CERTIFICATES : strategy;
+            switch (nonNullStrategy) {
                 case TRUST_ALL_CERTIFICATES:
                     internalRepresentation = Config.TrustStrategy.trustAllCertificates();
                     break;

extensions/neo4j/runtime/src/main/java/io/quarkus/neo4j/runtime/Neo4jDriverRecorder.java

@@ -1,6 +1,6 @@
 package io.quarkus.neo4j.runtime;
 
-import static java.util.concurrent.TimeUnit.*;
+import static java.util.concurrent.TimeUnit.MILLISECONDS;
 
 import java.util.logging.Level;
 

extensions/neo4j/runtime/src/test/java/io/quarkus/neo4j/runtime/Neo4jConfigurationTest.java

@@ -1,6 +1,9 @@
 package io.quarkus.neo4j.runtime;
 
-import static org.junit.jupiter.api.Assertions.*;
+import static org.junit.jupiter.api.Assertions.assertEquals;
+import static org.junit.jupiter.api.Assertions.assertFalse;
+import static org.junit.jupiter.api.Assertions.assertThrows;
+import static org.junit.jupiter.api.Assertions.assertTrue;
 
 import java.io.IOException;
 import java.nio.file.Files;