Remove CustomEvents - unused (#2039)

Signed-off-by: Avgustin Marinov <Avgustin.Marinov@bosch.com>

hawkbit-repository/hawkbit-repository-core/src/main/java/org/eclipse/hawkbit/repository/builder/AbstractActionStatusCreate.java

@@ -15,6 +15,7 @@ import java.util.List;
 import java.util.Optional;
 import java.util.stream.Collectors;
 
+import lombok.Getter;
 import org.eclipse.hawkbit.repository.ValidString;
 import org.eclipse.hawkbit.repository.model.Action.Status;
 import org.springframework.util.StringUtils;
@@ -34,12 +35,9 @@ public abstract class AbstractActionStatusCreate<T> {
 
     protected List<@ValidString String> messages;
 
+    @Getter
     protected Long actionId;
 
-    public Long getActionId() {
-        return actionId;
-    }
-
     public T status(final Status status) {
         this.status = status;
 
@@ -59,10 +57,11 @@ public abstract class AbstractActionStatusCreate<T> {
     }
 
     public T messages(final Collection<String> messages) {
+        final List<String> newMessages = messages.stream().map(String::strip).toList();
         if (this.messages == null) {
-            this.messages = messages.stream().map(StringUtils::trimWhitespace).collect(Collectors.toList());
+            this.messages = newMessages;
         } else {
-            this.messages.addAll(messages.stream().map(StringUtils::trimWhitespace).collect(Collectors.toList()));
+            this.messages.addAll(newMessages);
         }
 
         return (T) this;
@@ -72,7 +71,7 @@ public abstract class AbstractActionStatusCreate<T> {
         if (this.messages == null) {
             this.messages = new ArrayList<>();
         }
-        this.messages.add(StringUtils.trimWhitespace(message));
+        this.messages.add(message.strip());
 
         return (T) this;
     }
@@ -80,5 +79,4 @@ public abstract class AbstractActionStatusCreate<T> {
     public Optional<Long> getOccurredAt() {
         return Optional.ofNullable(occurredAt);
     }
-
-}
+}