reference type small changes

dmp-backend/core/src/main/java/eu/eudat/service/reference/ReferenceServiceImpl.java

@@ -169,7 +169,13 @@ public class ReferenceServiceImpl implements ReferenceService {
         ReferenceTypeEntity data = this.entityManager.find(ReferenceTypeEntity.class, lookup.getTypeId());
         if (data == null) throw new MyNotFoundException(messageSource.getMessage("General_ItemNotFound", new Object[]{lookup.getTypeId(), ReferenceType.class.getSimpleName()}, LocaleContextHolder.getLocale()));
 
-        ExternalReferenceCriteria externalReferenceCriteria = new ExternalReferenceCriteria(lookup.getLike().replaceAll("%", ""));
+        String like;
+        if (lookup.getLike() != null){
+            like = lookup.getLike().replaceAll("%", "");
+        } else {
+            like = null;
+        }
+        ExternalReferenceCriteria externalReferenceCriteria = new ExternalReferenceCriteria(like);
 
         ExternalDataResult remoteRepos = this.getReferenceData(data, externalReferenceCriteria, lookup.getKey());
 
@@ -190,7 +196,7 @@ public class ReferenceServiceImpl implements ReferenceService {
             if (models.stream().noneMatch(x-> x.getReference() != null && x.getSource() != null && x.getReference().equals(externalReference.getReference()) && x.getSource().equals(externalReference.getSource()))) models.add(externalReference);
         }
 
-        if (!this.conventionService.isNullOrEmpty(lookup.getLike())) { models = models.stream().filter(x -> x.getLabel().toLowerCase().contains(lookup.getLike().replaceAll("%", "").toLowerCase())).collect(Collectors.toList()); }
+        if (!this.conventionService.isNullOrEmpty(like)) { models = models.stream().filter(x -> x.getLabel().toLowerCase().contains(like.toLowerCase())).collect(Collectors.toList()); }
         models = models.stream().sorted(Comparator.comparing(Reference::getLabel, Comparator.nullsFirst(Comparator.naturalOrder()))).collect(Collectors.toList());
 
         if (lookup.getPage() != null && !lookup.getPage().isEmpty()){

dmp-backend/core/src/main/java/eu/eudat/service/remotefetcher/RemoteFetcherServiceImpl.java

@@ -4,6 +4,7 @@ import com.fasterxml.jackson.databind.JsonNode;
 import com.fasterxml.jackson.databind.ObjectMapper;
 import com.jayway.jsonpath.DocumentContext;
 import com.jayway.jsonpath.JsonPath;
+import com.jayway.jsonpath.PathNotFoundException;
 import eu.eudat.commons.enums.ReferenceTypeSourceType;
 import eu.eudat.commons.exceptions.HugeResultSetException;
 import eu.eudat.commons.types.dashborad.RecentActivityItemEntity;
@@ -299,8 +300,15 @@ public class RemoteFetcherServiceImpl implements RemoteFetcherService {
             Map<String, String> map = new HashMap<>();
             for(ResultFieldsMappingConfiguration field : resultsConfigurationEntity.getFieldsMapping()) {
                 if (this.conventionService.isNullOrEmpty(field.getResponsePath()) || this.conventionService.isNullOrEmpty(field.getCode())) continue;
+                try {
                     Object value = JsonPath.parse(resultItem).read(field.getResponsePath());
                     map.put(field.getCode(), normalizeJsonValue(value));
+                }catch (PathNotFoundException e){
+                    List<Object> nextLevelResults = jsonContext.read(resultsConfigurationEntity.getResultsArrayPath() + field.getResponsePath());
+                    for(Object nextLevelResultValue : nextLevelResults) {
+                        map.put(field.getCode(), normalizeJsonValue(nextLevelResultValue));
+                    }
+                }
             }
             parsedData.add(map);
         }

dmp-frontend/src/app/ui/dmp/dmp-editor-blueprint/dmp-editor.component.html

@@ -133,6 +133,7 @@
 										<div class="col-12">
 											<div *ngFor="let field of section.fields; let j=index">
 												<div class="heading" *ngIf="!field.label && field.category === dmpBlueprintSectionFieldCategoryEnum.System">{{i + 1}}.{{j + 1}} {{enumUtils.toDmpBlueprintSystemFieldTypeString(field.systemFieldType)}}<span *ngIf="field.required">*</span></div>
+												<div class="heading" *ngIf="!field.label && field.category === dmpBlueprintSectionFieldCategoryEnum.ReferenceType">{{i + 1}}.{{j + 1}} {{field.referenceType.name}}<span *ngIf="field.required">*</span></div>
 												<div class="heading" *ngIf="field.label">{{i + 1}}.{{j + 1}} {{field.label}}<span *ngIf="field.required">*</span></div>
 												<div *ngIf="field.description != null && field.description.length > 0" class="hint">{{field.description}}</div>
 												<div class="input-form">