Fixed Sonar issues

Signed-off-by: kaizimmerm <kai.zimmermann@bosch-si.com>

hawkbit-ddi-resource/src/main/java/org/eclipse/hawkbit/ddi/rest/resource/DdiArtifactStoreController.java

@@ -35,7 +35,7 @@ import org.springframework.beans.factory.annotation.Autowired;
 import org.springframework.context.annotation.Scope;
 import org.springframework.http.HttpStatus;
 import org.springframework.http.ResponseEntity;
-import org.springframework.security.web.bind.annotation.AuthenticationPrincipal;
+import org.springframework.security.core.annotation.AuthenticationPrincipal;
 import org.springframework.web.bind.annotation.PathVariable;
 import org.springframework.web.bind.annotation.RestController;
 import org.springframework.web.context.WebApplicationContext;

hawkbit-ddi-resource/src/main/java/org/eclipse/hawkbit/ddi/rest/resource/DdiRootController.java

@@ -151,7 +151,12 @@ public class DdiRootController implements DdiRootControllerRestApi {
             LOG.warn("Softare module with id {} could not be found.", softwareModuleId);
             result = new ResponseEntity<>(HttpStatus.NOT_FOUND);
         } else {
+
+            // Exception squid:S3655 - Optional access is checked in checkModule
+            // subroutine
+            @SuppressWarnings("squid:S3655")
             final LocalArtifact artifact = module.getLocalArtifactByFilename(fileName).get();
+
             final DbArtifact file = artifactManagement.loadLocalArtifactBinary(artifact);
 
             final String ifMatch = requestResponseContextHolder.getHttpServletRequest().getHeader("If-Match");
@@ -196,6 +201,9 @@ public class DdiRootController implements DdiRootControllerRestApi {
     }
 
     @Override
+    // Exception squid:S3655 - Optional access is checked in checkModule
+    // subroutine
+    @SuppressWarnings("squid:S3655")
     public ResponseEntity<Void> downloadArtifactMd5(@PathVariable("tenant") final String tenant,
             @PathVariable("targetid") final String targetid,
             @PathVariable("softwareModuleId") final Long softwareModuleId,