Add encryption handler for OPC UA - Minor fix for Kafka Connector

LICENSE

@@ -221,8 +221,3 @@ build-utils/protocol-base-mspec/src/main/antlr4/org/apache/plc4x/plugins/codegen
 is licensed under the Category A: "UNLICENSE" which is available here:
 UNLICENSE file in the licenses directory.
 
-The files:
-plc4j/integrations/opcua-server/src/main/java/org/apache/plc4x/java/opcuaserver/OPCUAServer.java
-plc4j/integrations/opcua-server/src/main/java/org/apache/plc4x/java/opcuaserver/KeyStoreLoader.java
-plc4j/integrations/opcua-server/src/main/java/org/apache/plc4x/java/opcuaserver/backend/Plc4xNamespace.java
-are derivative works of the Eclipse Milo project and are licensed under the EPL 2.0 license.

NOTICE

@@ -11,5 +11,3 @@ The Netty project (https://netty.io/).
 
 ----------------------------------------------
 
-This product includes software developed at
-The Eclipse Milo project (https://projects.eclipse.org/projects/iot.milo/)

plc4j/integrations/apache-kafka/pom.xml

@@ -266,6 +266,11 @@
       <scope>runtime</scope>
     </dependency>
 
+    <dependency>
+      <groupId>org.apache.commons</groupId>
+      <artifactId>commons-lang3</artifactId>
+    </dependency>
+
     <!--dependency>
       <groupId>org.apache.kafka</groupId>
       <artifactId>connect-runtime</artifactId>

plc4j/integrations/apache-kafka/src/main/java/org/apache/plc4x/kafka/Plc4xSinkConnector.java

@@ -18,7 +18,6 @@ Licensed to the Apache Software Foundation (ASF) under one
 */
 package org.apache.plc4x.kafka;
 
-import org.apache.commons.lang3.math.NumberUtils;
 import org.apache.kafka.common.config.Config;
 import org.apache.kafka.common.config.ConfigDef;
 import org.apache.kafka.common.config.ConfigValue;

plc4j/integrations/apache-kafka/src/main/java/org/apache/plc4x/kafka/Plc4xSinkTask.java

@@ -34,8 +34,6 @@ Licensed to the Apache Software Foundation (ASF) under one
 import org.apache.plc4x.kafka.config.Constants;
 import org.apache.plc4x.kafka.util.VersionUtil;
 
-import java.util.concurrent.ExecutionException;
-
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
 

plc4j/integrations/apache-kafka/src/main/java/org/apache/plc4x/kafka/Plc4xSourceConnector.java

@@ -20,12 +20,9 @@ Licensed to the Apache Software Foundation (ASF) under one
 
 import org.apache.kafka.common.config.Config;
 import org.apache.kafka.common.config.ConfigDef;
-import org.apache.kafka.common.config.ConfigException;
 import org.apache.kafka.common.config.ConfigValue;
 import org.apache.kafka.connect.connector.Task;
 import org.apache.kafka.connect.source.SourceConnector;
-import org.apache.plc4x.java.PlcDriverManager;
-import org.apache.plc4x.java.api.exceptions.PlcConnectionException;
 import org.apache.plc4x.kafka.config.Field;
 import org.apache.plc4x.kafka.config.*;
 import org.apache.plc4x.kafka.util.VersionUtil;

plc4j/integrations/apache-kafka/src/main/java/org/apache/plc4x/kafka/Plc4xSourceTask.java

@@ -18,6 +18,7 @@ Licensed to the Apache Software Foundation (ASF) under one
 */
 package org.apache.plc4x.kafka;
 
+import org.apache.commons.lang3.RandomUtils;
 import org.apache.kafka.common.config.AbstractConfig;
 import org.apache.kafka.common.config.ConfigDef;
 import org.apache.kafka.connect.data.*;
@@ -43,8 +44,6 @@ Licensed to the Apache Software Foundation (ASF) under one
 import java.time.LocalDate;
 import java.time.LocalDateTime;
 import java.time.LocalTime;
-import java.time.Duration;
-import java.time.Instant;
 import java.util.*;
 import java.util.concurrent.*;
 import java.util.concurrent.TimeUnit;
@@ -243,7 +242,7 @@ public List<SourceRecord> poll() {
         } else {
             try {
                 List<SourceRecord> result = new ArrayList<>(1);
-                SourceRecord temp = buffer.poll(pollReturnInterval, TimeUnit.MILLISECONDS);
+                SourceRecord temp = buffer.poll(pollReturnInterval + RandomUtils.nextInt(0, (int) Math.round(pollReturnInterval*0.05)), TimeUnit.MILLISECONDS);
                 if (temp == null) {
                     return null;
                 }

plc4j/integrations/opcua-server/pom.xml

@@ -51,11 +51,6 @@
       <scope>test</scope>
     </dependency>
 
-    <dependency>
-      <groupId>com.google.guava</groupId>
-      <artifactId>guava</artifactId>
-      <version>${guava.version}</version>
-    </dependency>
 
     <dependency>
         <groupId>org.eclipse.milo</groupId>
@@ -183,7 +178,7 @@
       <scope>runtime</scope>
     </dependency>
 
-    <!-- Logging dependancies -->    
+    <!-- Logging dependancies -->
     <dependency>
       <groupId>org.bouncycastle</groupId>
       <artifactId>bcmail-jdk15on</artifactId>
@@ -208,7 +203,6 @@
       <groupId>org.slf4j</groupId>
       <artifactId>slf4j-simple</artifactId>
     </dependency>
-
     <dependency>
 	    <groupId>commons-io</groupId>
 	    <artifactId>commons-io</artifactId>
@@ -219,6 +213,11 @@
       <artifactId>vavr</artifactId>
     </dependency>
 
+    <dependency>
+      <groupId>org.apache.commons</groupId>
+      <artifactId>commons-lang3</artifactId>
+    </dependency>
+
   </dependencies>
 
   <build>
@@ -278,7 +277,6 @@
           <configuration>
             <usedDependencies combine.children="append">
                 <usedDependency>org.slf4j:slf4j-simple</usedDependency>
-                <usedDependency>org.bouncycastle:bcpkix-jdk15on</usedDependency>
                 <usedDependency>org.bouncycastle:bcmail-jdk15on</usedDependency>
                 <usedDependency>org.apache.plc4x:plc4j-driver-ab-eth</usedDependency>
                 <!--usedDependency>org.apache.plc4x:plc4j-driver-ads</usedDependency-->