3 files changed, 6 insertions, 20 deletions
diff --git a/openecomp-be/lib/openecomp-tosca-lib/src/main/java/org/openecomp/sdc/tosca/services/DataModelUtil.java b/openecomp-be/lib/openecomp-tosca-lib/src/main/java/org/openecomp/sdc/tosca/services/DataModelUtil.java
index ed28eda06b..fd89faeb85 100644
--- a/openecomp-be/lib/openecomp-tosca-lib/src/main/java/org/openecomp/sdc/tosca/services/DataModelUtil.java
+++ b/openecomp-be/lib/openecomp-tosca-lib/src/main/java/org/openecomp/sdc/tosca/services/DataModelUtil.java
@@ -24,13 +24,8 @@ import org.apache.commons.collections4.CollectionUtils;
 import org.apache.commons.collections4.MapUtils;
 import org.openecomp.core.utilities.CommonMethods;
 import org.openecomp.sdc.common.errors.CoreException;
-import org.openecomp.sdc.datatypes.error.ErrorLevel;
 import org.openecomp.sdc.logging.api.Logger;
 import org.openecomp.sdc.logging.api.LoggerFactory;
-import org.openecomp.sdc.logging.types.LoggerConstants;
-import org.openecomp.sdc.logging.types.LoggerErrorCode;
-import org.openecomp.sdc.logging.types.LoggerErrorDescription;
-import org.openecomp.sdc.logging.types.LoggerTragetServiceName;
 import org.openecomp.sdc.tosca.datatypes.ToscaCapabilityType;
 import org.openecomp.sdc.tosca.datatypes.ToscaFunctions;
 import org.openecomp.sdc.tosca.datatypes.ToscaRelationshipType;
@@ -78,6 +73,10 @@ import java.util.Optional;
  */
 public class DataModelUtil {
 
+  private DataModelUtil() {
+    // prevent instantiation
+  }
+
   /**
    * Add substitution mapping.
    */
diff --git a/openecomp-be/lib/openecomp-tosca-lib/src/main/java/org/openecomp/sdc/tosca/services/impl/ToscaAnalyzerServiceImpl.java b/openecomp-be/lib/openecomp-tosca-lib/src/main/java/org/openecomp/sdc/tosca/services/impl/ToscaAnalyzerServiceImpl.java
index 6d9d16fadc..9d9e4a42fd 100644
--- a/openecomp-be/lib/openecomp-tosca-lib/src/main/java/org/openecomp/sdc/tosca/services/impl/ToscaAnalyzerServiceImpl.java
+++ b/openecomp-be/lib/openecomp-tosca-lib/src/main/java/org/openecomp/sdc/tosca/services/impl/ToscaAnalyzerServiceImpl.java
@@ -21,11 +21,6 @@ import org.apache.commons.collections4.MapUtils;
 import org.apache.commons.lang3.StringUtils;
 import org.openecomp.core.utilities.CommonMethods;
 import org.openecomp.sdc.common.errors.CoreException;
-import org.openecomp.sdc.datatypes.error.ErrorLevel;
-import org.openecomp.sdc.logging.types.LoggerConstants;
-import org.openecomp.sdc.logging.types.LoggerErrorCode;
-import org.openecomp.sdc.logging.types.LoggerErrorDescription;
-import org.openecomp.sdc.logging.types.LoggerTragetServiceName;
 import org.openecomp.sdc.tosca.datatypes.ToscaElementTypes;
 import org.openecomp.sdc.tosca.datatypes.ToscaNodeType;
 import org.openecomp.sdc.tosca.datatypes.ToscaServiceModel;
@@ -226,13 +221,10 @@ public class ToscaAnalyzerServiceImpl implements ToscaAnalyzerService {
   public Optional<NodeType> fetchNodeType(String nodeTypeKey, Collection<ServiceTemplate>
       serviceTemplates) {
     Optional<Map<String, NodeType>> nodeTypeMap = serviceTemplates.stream()
-        .map(st -> st.getNode_types())
+        .map(ServiceTemplate::getNode_types)
         .filter(nodeTypes -> Objects.nonNull(nodeTypes) && nodeTypes.containsKey(nodeTypeKey))
         .findFirst();
-    if (nodeTypeMap.isPresent()) {
-      return Optional.ofNullable(nodeTypeMap.get().get(nodeTypeKey));
-    }
-    return Optional.empty();
+    return nodeTypeMap.map(stringNodeTypeMap -> stringNodeTypeMap.get(nodeTypeKey));
   }
 
   @Override
diff --git a/openecomp-be/lib/openecomp-tosca-lib/src/main/java/org/openecomp/sdc/tosca/services/impl/ToscaFileOutputServiceCsarImpl.java b/openecomp-be/lib/openecomp-tosca-lib/src/main/java/org/openecomp/sdc/tosca/services/impl/ToscaFileOutputServiceCsarImpl.java
index f0a12e6c10..eaf1e20227 100644
--- a/openecomp-be/lib/openecomp-tosca-lib/src/main/java/org/openecomp/sdc/tosca/services/impl/ToscaFileOutputServiceCsarImpl.java
+++ b/openecomp-be/lib/openecomp-tosca-lib/src/main/java/org/openecomp/sdc/tosca/services/impl/ToscaFileOutputServiceCsarImpl.java
@@ -20,13 +20,8 @@ import org.apache.commons.io.IOUtils;
 import org.openecomp.core.utilities.file.FileContentHandler;
 import org.openecomp.core.utilities.file.FileUtils;
 import org.openecomp.sdc.common.errors.CoreException;
-import org.openecomp.sdc.datatypes.error.ErrorLevel;
 import org.openecomp.sdc.logging.api.Logger;
 import org.openecomp.sdc.logging.api.LoggerFactory;
-import org.openecomp.sdc.logging.types.LoggerConstants;
-import org.openecomp.sdc.logging.types.LoggerErrorCode;
-import org.openecomp.sdc.logging.types.LoggerErrorDescription;
-import org.openecomp.sdc.logging.types.LoggerTragetServiceName;
 import org.openecomp.sdc.tosca.datatypes.ToscaServiceModel;
 import org.openecomp.sdc.tosca.datatypes.model.ServiceTemplate;
 import org.openecomp.sdc.tosca.exceptions.CsarCreationErrorBuilder;