Update 4.22.0

README.adoc

@@ -13,8 +13,6 @@ image:https://img.shields.io/github/v/release/hivemq/hivemq-sparkplug-aware-exte
 image:https://img.shields.io/github/license/hivemq/hivemq-sparkplug-aware-extension?style=for-the-badge&color=brightgreen[GitHub,link=LICENSE]
 image:https://img.shields.io/github/actions/workflow/status/hivemq/hivemq-sparkplug-aware-extension/check.yml?branch=master&style=for-the-badge[GitHub Workflow Status,link=https://github.com/hivemq/hivemq-sparkplug-aware-extension/actions/workflows/check.yml?query=branch%3Amaster]
 
-*This extension is not yet ready for production use.*
-
 == Purpose
 
 This HiveMQ Sparkplug aware extension has the purpose to fulfil the new  link:https://github.com/eclipse/sparkplug[Sparkplug Release] of the Sparkplug specification extend HiveMQ with the functionality of a Sparkplug Aware Broker wich is an optional Requirement.

gradle/libs.versions.toml

@@ -1,7 +1,7 @@
 [versions]
 commonsLang = "3.8.1"
 guava = "31.1-jre"
-hivemq-extensionSdk = "4.9.1"
+hivemq-extensionSdk = "4.22.0"
 jackson = "2.13.2"
 jacksonv1 = "1.9.13"
 jetbrains-annotations = "24.0.1"

src/main/java/com/hivemq/extensions/sparkplug/aware/AwareRequirements.java

@@ -15,10 +15,14 @@
  */
 package com.hivemq.extensions.sparkplug.aware;
 
-public class AwareRequirements {
-    public final static String CONFORMANCE_MQTT_AWARE_NBIRTH_MQTT_TOPIC = "A Sparkplug Aware MQTT Server MUST make NBIRTH messages available on a topic of the form: $sparkplug/certificates/namespace/group_id/NBIRTH/edge_node_id";
-    public final static String CONFORMANCE_MQTT_AWARE_NBIRTH_MQTT_RETAIN = "A Sparkplug Aware MQTT Server MUST make NBIRTH messages available on the topic: $sparkplug/certificates/namespace/group_id/NBIRTH/edge_node_id with the MQTT retain flag set to true";
-    public final static String CONFORMANCE_MQTT_AWARE_DBIRTH_MQTT_TOPIC = "A Sparkplug Aware MQTT Server MUST make DBIRTH messages available on a topic of the form: $sparkplug/certificates/namespace/group_id/DBIRTH/edge_node_id/device_id";
-    public final static String CONFORMANCE_MQTT_AWARE_DBIRTH_MQTT_RETAIN = "A Sparkplug Aware MQTT Server MUST make DBIRTH messages available on the topic: $sparkplug/certificates/namespace/group_id/DBIRTH/edge_node_id/device_id with the MQTT retain flag set to true";
-    public final static String CONFORMANCE_MQTT_AWARE_NDEATH_TIMESTAMP = "A Sparkplug Aware MQTT Server MAY replace the timestamp of NDEATH messages. If it does, it MUST set the timestamp to the UTC time at which it attempts to deliver the NDEATH to subscribed clients";
+public final class AwareRequirements {
+
+    AwareRequirements() {
+    }
+
+    public static final String CONFORMANCE_MQTT_AWARE_NBIRTH_MQTT_TOPIC = "A Sparkplug Aware MQTT Server MUST make NBIRTH messages available on a topic of the form: $sparkplug/certificates/namespace/group_id/NBIRTH/edge_node_id";
+    public static final String CONFORMANCE_MQTT_AWARE_NBIRTH_MQTT_RETAIN = "A Sparkplug Aware MQTT Server MUST make NBIRTH messages available on the topic: $sparkplug/certificates/namespace/group_id/NBIRTH/edge_node_id with the MQTT retain flag set to true";
+    public static final String CONFORMANCE_MQTT_AWARE_DBIRTH_MQTT_TOPIC = "A Sparkplug Aware MQTT Server MUST make DBIRTH messages available on a topic of the form: $sparkplug/certificates/namespace/group_id/DBIRTH/edge_node_id/device_id";
+    public static final String CONFORMANCE_MQTT_AWARE_DBIRTH_MQTT_RETAIN = "A Sparkplug Aware MQTT Server MUST make DBIRTH messages available on the topic: $sparkplug/certificates/namespace/group_id/DBIRTH/edge_node_id/device_id with the MQTT retain flag set to true";
+    public static final String CONFORMANCE_MQTT_AWARE_NDEATH_TIMESTAMP = "A Sparkplug Aware MQTT Server MAY replace the timestamp of NDEATH messages. If it does, it MUST set the timestamp to the UTC time at which it attempts to deliver the NDEATH to subscribed clients";
 }

src/main/java/com/hivemq/extensions/sparkplug/aware/SparkplugAwareMain.java

@@ -55,7 +55,7 @@ public void extensionStart(
             addPublishModifier();
 
             final ExtensionInformation extensionInformation = extensionStartInput.getExtensionInformation();
-            log.info("Started " + extensionInformation.getName() + ":" + extensionInformation.getVersion());
+            log.info("Started {}:{}", extensionInformation.getName(), extensionInformation.getVersion());
 
             log.debug("Add Awareness: {} ", AwareRequirements.CONFORMANCE_MQTT_AWARE_DBIRTH_MQTT_TOPIC);
             log.debug("Add Awareness: {} ", AwareRequirements.CONFORMANCE_MQTT_AWARE_DBIRTH_MQTT_RETAIN);
@@ -75,7 +75,7 @@ public void extensionStop(
             final @NotNull ExtensionStopOutput extensionStopOutput) {
 
         final ExtensionInformation extensionInformation = extensionStopInput.getExtensionInformation();
-        log.info("Stopped " + extensionInformation.getName() + ":" + extensionInformation.getVersion());
+        log.info("Stopped {}:{}", extensionInformation.getName(), extensionInformation.getVersion());
     }
 
     private void addPublishModifier() {

src/main/java/com/hivemq/extensions/sparkplug/aware/SparkplugPublishInboundInterceptor.java

@@ -49,8 +49,8 @@ public class SparkplugPublishInboundInterceptor implements PublishInboundInterce
     private final PublishService publishService;
     private final @NotNull String sparkplugVersion;
     private final @NotNull String sysTopic;
-    private final Boolean useCompression;
-    private final Boolean jsonLogEnabled;
+    private final boolean useCompression;
+    private final boolean jsonLogEnabled;
     private final Long messageExpiry;
 
     public SparkplugPublishInboundInterceptor(final @NotNull SparkplugConfiguration configuration,

src/main/java/com/hivemq/extensions/sparkplug/aware/SparkplugPublishOutboundInterceptor.java

@@ -44,8 +44,8 @@ public class SparkplugPublishOutboundInterceptor implements PublishOutboundInter
     private static final CompressionAlgorithm compressionAlgorithm = CompressionAlgorithm.GZIP;
      private final @NotNull String sparkplugVersion;
 
-    private final Boolean useCompression;
-    private final Boolean jsonLogEnabled;
+    private final boolean useCompression;
+    private final boolean jsonLogEnabled;
 
     public SparkplugPublishOutboundInterceptor(final @NotNull SparkplugConfiguration configuration) {
         this.sparkplugVersion = configuration.getSparkplugVersion();

src/main/java/com/hivemq/extensions/sparkplug/aware/utils/PayloadUtil.java

@@ -33,13 +33,20 @@
 import java.nio.ByteBuffer;
 import java.util.Date;
 
-public class PayloadUtil {
+public final class PayloadUtil {
     private static final @NotNull Logger log = LoggerFactory.getLogger(PayloadUtil.class);
     private static final @NotNull Logger jsonLog = LoggerFactory.getLogger("com.hivemq.extensions.sparkplug.jsonLog");
     private static final CompressionAlgorithm compressionAlgorithm = CompressionAlgorithm.GZIP;
 
-    public static ByteBuffer modifySparkplugTimestamp(Boolean useCompression, ByteBuffer byteBuffer) throws Exception {
-        SparkplugBPayload inboundPayload = getSparkplugBPayload(byteBuffer);
+    PayloadUtil(){
+    }
+
+    public static ByteBuffer modifySparkplugTimestamp(boolean useCompression, ByteBuffer byteBuffer) throws Exception {
+        final SparkplugBPayload inboundPayload = getSparkplugBPayload(byteBuffer);
+        if (inboundPayload == null) {
+            throw new IllegalArgumentException("Unable to get Sparkplug B Payload from byte buffer.");
+        }
+
         //create the same payload with a new timestamp.
         SparkplugBPayload payload =
                 new SparkplugBPayload(new Date(),