- Code optimization and polishing.

- Improve error-checking and exception-handling.

README.md

@@ -5,6 +5,5 @@
 ## Install and run:
 - Run **git clone** and then **cd uoa-repository-manager-service**.
 - Provide all not-set or redacted configurations, inside the **src/main/resources/application.properties** file.
-- Execute the **installAndRun.sh** script which installs and runs the app.
+- Build the app with: `mvn clean install -s <settings-file>`
-  - If you want to just run the app, then run the script with the argument "1": **./installAndRun.sh 1**
+- Run the app with: `java -jar ./target/uoa-repository-manager-service.jar`
-  - If you want to just install the app, then run the script with the argument "2": **./installAndRun.sh 2**

src/main/java/eu/dnetlib/repo/manager/controllers/DashboardController.java

@@ -94,5 +94,4 @@ public class DashboardController {
         return new BrokerSummary(brokerService.getSimpleSubscriptionsOfUser(((OIDCAuthenticationToken) SecurityContextHolder.getContext().getAuthentication()).getUserInfo().getEmail()), brokerService.getTopicsForDatasource(datasourceName));
     }
 
-
 }

src/main/java/eu/dnetlib/repo/manager/controllers/PiWikController.java

@@ -75,6 +75,7 @@ public class PiWikController {
         results.setResults(returning);
         return results;
     }
+
     @ApiImplicitParams({
             @ApiImplicitParam(name = "from", dataType = "number", paramType = "query"),
             @ApiImplicitParam(name = "quantity", dataType = "number", paramType = "query"),
@@ -102,20 +103,17 @@ public class PiWikController {
             sb.append(" Repository ID , Repository name, Country, Site ID, Authentication token, Creation date, Requestor full name, Requestor email, Validated, Validation date, Comment \n");
 
             for(PiwikInfo piwikInfo : returning){
-                sb.append(
+                sb.append(piwikInfo.getRepositoryId() == null ? "," : piwikInfo.getRepositoryId() + ",")
-                        (piwikInfo.getRepositoryId() == null ? "," : piwikInfo.getRepositoryId()+ ",")+
+                        .append(piwikInfo.getRepositoryName() == null ? "," : piwikInfo.getRepositoryName() + ",")
-                                (piwikInfo.getRepositoryName() == null ? "," : piwikInfo.getRepositoryName()+ ",")+
+                        .append(piwikInfo.getCountry() == null ? "," : piwikInfo.getCountry() + ",")
-                                (piwikInfo.getCountry() == null ? "," : piwikInfo.getCountry()+ ",")+
+                        .append(piwikInfo.getSiteId() == null ? "," : piwikInfo.getSiteId() + ",")
-                                (piwikInfo.getSiteId() == null ? "," : piwikInfo.getSiteId()+ ",") +
+                        .append(piwikInfo.getAuthenticationToken() == null ? "," : piwikInfo.getAuthenticationToken() + ",")
-                                (piwikInfo.getAuthenticationToken() == null ? "," : piwikInfo.getAuthenticationToken()+ ",")+
+                        .append(piwikInfo.getCreationDate() == null ? "," : piwikInfo.getCreationDate().toString() + ",")
-                                (piwikInfo.getCreationDate() == null ? "," : piwikInfo.getCreationDate().toString()+ ",") +
+                        .append(piwikInfo.getRequestorName() == null ? "," : piwikInfo.getRequestorName() + ",")
-                                (piwikInfo.getRequestorName() == null ? "," : piwikInfo.getRequestorName()+ ",") +
+                        .append(piwikInfo.getRequestorEmail() == null ? "," : piwikInfo.getRequestorEmail() + ",")
-                                (piwikInfo.getRequestorEmail() == null ? "," : piwikInfo.getRequestorEmail()+ ",")+
+                        .append(piwikInfo.isValidated()).append(",")
-                                piwikInfo.isValidated() + "," +
+                        .append(piwikInfo.getValidationDate() == null ? "," : piwikInfo.getValidationDate().toString() + ",")
-                                (piwikInfo.getValidationDate() == null ? "," : piwikInfo.getValidationDate().toString()+ ",") +
+                        .append(piwikInfo.getComment() == null ? "\n" : piwikInfo.getComment() + "\n");
-                                (piwikInfo.getComment() == null ? "\n" : piwikInfo.getComment()+ "\n")
-
-                );
             }
             writer.write(sb.toString());
 
@@ -140,7 +138,6 @@ public class PiWikController {
                 strDate);
         response.setHeader(headerKey, headerValue);
 
-
         return new FileSystemResource(p.toFile());
 
     }

src/main/java/eu/dnetlib/repo/manager/service/AggregationServiceImpl.java

@@ -1,12 +1,10 @@
 package eu.dnetlib.repo.manager.service;
 
-import com.fasterxml.jackson.databind.ObjectMapper;
 import eu.dnetlib.enabling.datasources.common.AggregationInfo;
 import eu.dnetlib.repo.manager.domain.AggregationHistoryResponse;
 import org.apache.log4j.Logger;
 import org.springframework.beans.factory.annotation.Value;
 import org.springframework.stereotype.Service;
-import org.springframework.web.client.RestClientException;
 import org.springframework.web.client.RestTemplate;
 import org.springframework.web.util.UriComponents;
 import org.springframework.web.util.UriComponentsBuilder;

src/main/java/eu/dnetlib/repo/manager/service/BrokerServiceImpl.java

@@ -26,7 +26,10 @@ import javax.annotation.PostConstruct;
 import java.io.IOException;
 import java.io.InputStream;
 import java.net.URL;
-import java.util.*;
+import java.util.ArrayList;
+import java.util.HashMap;
+import java.util.List;
+import java.util.Map;
 
 @Service("brokerService")
 public class BrokerServiceImpl implements BrokerService {
@@ -47,7 +50,7 @@ public class BrokerServiceImpl implements BrokerService {
 
     private HttpHeaders httpHeaders;
 
-    private HashMap<String, Term> topics = new HashMap<String, Term>();
+    private HashMap<String, Term> topics = new HashMap<>();
 
     @PostConstruct
     private void initDnetTopicsMap() {
@@ -120,7 +123,7 @@ public class BrokerServiceImpl implements BrokerService {
     @Override
     public EventsPage advancedShowEvents(String page,
                                          String size,
-                                         AdvQueryObject advQueryObject) throws BrokerException, JSONException, IOException {
+                                         AdvQueryObject advQueryObject) throws BrokerException {
 
         final String service = "/events/{page}/{pageSize}";
 
@@ -155,7 +158,7 @@ public class BrokerServiceImpl implements BrokerService {
         for (RepositorySnippet repo : repositories) {
             BrowseEntry temp = new BrowseEntry();
             temp.setValue(repo.getOfficialname());
-            temp.setSize(new Long(0));
+            temp.setSize(0L);
             for (BrowseEntry e : getTopicsForDatasource(repo.getOfficialname())) {
                 temp.setSize(temp.getSize() + e.getSize());
             }
@@ -164,12 +167,7 @@ public class BrokerServiceImpl implements BrokerService {
         }
 
         // sort the collection by the second field of the tuple which is size
-        Collections.sort(entries, new Comparator<Tuple<BrowseEntry, String>>() {
+        entries.sort((e1, e2) -> (int) (e2.getFirst().getSize() - e1.getFirst().getSize()));
-            @Override
-            public int compare(Tuple<BrowseEntry, String> e1, Tuple<BrowseEntry, String> e2) {
-                return (int) (e2.getFirst().getSize().longValue() - e1.getFirst().getSize().longValue());
-            }
-        });
         long stop = System.currentTimeMillis();
         System.out.println("getDatasourcesOfUserType returned in " + (stop - start) + "ms ");
 

src/main/java/eu/dnetlib/repo/manager/service/EmailUtilsImpl.java

@@ -769,6 +769,6 @@ public class EmailUtilsImpl implements EmailUtils {
                 user = ((OIDCAuthenticationToken) authentication).getUserInfo().getName();
             } catch (NullPointerException ex) {}
         }
-        return user;
+        return user;    // It may be just "user". TODO - Wouldn't be better if it was null?
     }
 }

src/main/java/eu/dnetlib/repo/manager/service/RepositoryServiceImpl.java

@@ -1,10 +1,6 @@
 package eu.dnetlib.repo.manager.service;
 
-import com.fasterxml.jackson.core.JsonFactory;
-import com.fasterxml.jackson.core.type.TypeReference;
 import com.fasterxml.jackson.databind.ObjectMapper;
-import com.fasterxml.jackson.databind.jsontype.BasicPolymorphicTypeValidator;
-import com.fasterxml.jackson.databind.jsontype.PolymorphicTypeValidator;
 import com.google.gson.JsonArray;
 import com.google.gson.JsonElement;
 import com.google.gson.JsonObject;
@@ -12,7 +8,6 @@ import eu.dnetlib.api.functionality.ValidatorServiceException;
 import eu.dnetlib.domain.enabling.Vocabulary;
 import eu.dnetlib.domain.functionality.validator.JobForValidation;
 import eu.dnetlib.repo.manager.domain.*;
-import eu.dnetlib.repo.manager.domain.broker.BrowseEntry;
 import eu.dnetlib.repo.manager.domain.dto.Role;
 import eu.dnetlib.repo.manager.domain.dto.User;
 import eu.dnetlib.repo.manager.exception.BrokerException;
@@ -153,8 +148,6 @@ public class RepositoryServiceImpl implements RepositoryService {
             countriesMap.put(c.getName(), c.getCode());
             inverseCountriesMap.put(c.getCode(), c.getName());
         }
-
-
     }
 
     @Override
@@ -185,11 +178,13 @@ public class RepositoryServiceImpl implements RepositoryService {
 
         for (String repoId : ids) {
             requestFilter.setId(repoId);
-            List<Repository> rs = restTemplate.postForObject(uriComponents.toUri(), requestFilter, List.class);
+            List rs = restTemplate.postForObject(uriComponents.toUri(), requestFilter, List.class);
 
 //            repos.addAll(converter.toRepositoryList(new JSONObject(rs)));
         }
 
+        // TODO - "repos" is EMPTY!!
+
         for (Repository r : repos)
             r.setPiwikInfo(piWikService.getPiwikSiteForRepo(r.getId()));
         return repos;
@@ -219,6 +214,10 @@ public class RepositoryServiceImpl implements RepositoryService {
                 requestFilter.setId(repoId);
 
                 DatasourceResponse rs = restTemplate.postForObject(uriComponents.toUri(), requestFilter, DatasourceResponse.class);
+                if ( rs == null ) {
+                    logger.error("The \"DatasourceResponse\" is null!");
+                    return null;
+                }
 
                 resultSet.addAll(objectMapper.readValue(objectMapper.writeValueAsString(rs.getDatasourceInfo()),
                         objectMapper.getTypeFactory().constructCollectionType(List.class, RepositorySnippet.class)));
@@ -262,6 +261,11 @@ public class RepositoryServiceImpl implements RepositoryService {
         requestFilter.setEoscDatasourceType(filterKey);
 
         String rs = restTemplate.postForObject(uriComponents.toUri(), requestFilter, String.class);
+        if ( rs == null ) {
+            logger.error("The result is null!");
+            return null;
+        }
+
         JSONArray jsonArray = (JSONArray) new JSONObject(rs).get("datasourceInfo");
         while (jsonArray.length() > 0) {
 
@@ -270,6 +274,11 @@ public class RepositoryServiceImpl implements RepositoryService {
             page += 1;
             uriComponents = searchSnipperDatasource(String.valueOf(page), String.valueOf(size));
             rs = restTemplate.postForObject(uriComponents.toUri(), requestFilter, String.class);
+            if ( rs == null ) {
+                logger.error("The result is null!");
+                break;
+            }
+
             jsonArray = (JSONArray) new JSONObject(rs).get("datasourceInfo");
         }
         return resultSet;
@@ -313,7 +322,7 @@ public class RepositoryServiceImpl implements RepositoryService {
     }
 
     @Override
-    public int getTotalRegisteredRepositories() {
+    public int getTotalRegisteredRepositories() throws NullPointerException {
         UriComponents uriComponents = UriComponentsBuilder
                 .fromHttpUrl(baseAddress + "/ds/countregistered")
                 .queryParam("fromDate", "1900-01-01")
@@ -377,6 +386,11 @@ public class RepositoryServiceImpl implements RepositoryService {
         requestFilter.setId(id);
 
         String rs = restTemplate.postForObject(uriComponents.toUri(), requestFilter, String.class);
+        if ( rs == null ) {
+            logger.error("The result is null!");
+            return null;
+        }
+
         JSONArray jsonArray = (JSONArray) new JSONObject(rs).get("datasourceInfo");
 
         if (jsonArray.length() == 0)
@@ -399,7 +413,12 @@ public class RepositoryServiceImpl implements RepositoryService {
 //        JSONArray jsonArray = (JSONArray) new JSONObject(rs).get("datasourceInfo");
 
         DatasourceResponse response;
-        response = (DatasourceResponse) restTemplate.postForObject(uriComponents.toUri(), requestFilter, DatasourceResponse.class);
+        response = restTemplate.postForObject(uriComponents.toUri(), requestFilter, DatasourceResponse.class);
+        if ( response == null ) {
+            logger.error("The response is null!");
+            return null;
+        }
+
         List<DatasourceDetails> datasources = response.getDatasourceInfo();
         if (datasources.size() == 0)
             throw new ResourceNotFoundException();
@@ -540,7 +559,7 @@ public class RepositoryServiceImpl implements RepositoryService {
 //        logger.debug("JSON to add(update) -> " + json_repository);
 
         HttpEntity<Repository> httpEntity = new HttpEntity<>(repository, httpHeaders); // TODO: check if it works (Repository contains extra fields)
-        ResponseEntity responseEntity = restTemplate.exchange(uriComponents.toUri(), HttpMethod.POST, httpEntity, ResponseEntity.class);
+        ResponseEntity<ResponseEntity> responseEntity = restTemplate.exchange(uriComponents.toUri(), HttpMethod.POST, httpEntity, ResponseEntity.class);
 
         if (responseEntity.getStatusCode().equals(HttpStatus.OK)) {
             try {
@@ -570,7 +589,7 @@ public class RepositoryServiceImpl implements RepositoryService {
 //        logger.debug("JSON to update -> " + json_repository);
 
         HttpEntity<Repository> httpEntity = new HttpEntity<>(repository, httpHeaders);
-        ResponseEntity responseEntity = restTemplate.exchange(uriComponents.toUri(), HttpMethod.POST, httpEntity, ResponseEntity.class);
+        ResponseEntity<ResponseEntity> responseEntity = restTemplate.exchange(uriComponents.toUri(), HttpMethod.POST, httpEntity, ResponseEntity.class);
 
         if (responseEntity.getStatusCode().equals(HttpStatus.OK)) {
             try {
@@ -602,7 +621,7 @@ public class RepositoryServiceImpl implements RepositoryService {
                 .encode();
 //        String json_repository = converter.toJson(repository);
         HttpEntity<Repository> httpEntity = new HttpEntity<>(repository, httpHeaders);
-        ResponseEntity responseEntity = restTemplate.exchange(uriComponents.toUri(), HttpMethod.POST, httpEntity, ResponseEntity.class);
+        ResponseEntity<ResponseEntity> responseEntity = restTemplate.exchange(uriComponents.toUri(), HttpMethod.POST, httpEntity, ResponseEntity.class);
 
         if (responseEntity.getStatusCode().equals(HttpStatus.OK)) {
             try {

src/main/java/eu/dnetlib/repo/manager/service/StatsServiceImpl.java

@@ -83,28 +83,7 @@ public class StatsServiceImpl implements StatsService {
                 " oaftype exact datasource and " +
                 " datasourcetypename exact Data Repository ";
 
-        UriComponents uriComponents = UriComponentsBuilder
+        return getMetadataTotals(url);
-                .fromHttpUrl(url)
-                .queryParam("page",0)
-                .queryParam("size",0)
-                .queryParam("format","json")
-                .build().encode();
-
-        try {
-            ResponseEntity<Map> rs = restTemplate.exchange(uriComponents.toUri(), HttpMethod.GET, null, Map.class);
-            Map metadata = (Map) ((Map<?, ?>) Objects.requireNonNull(rs.getBody())).get("meta");
-            if ( metadata == null ) {
-                logger.error("The metadata was null!");
-                return null;
-            }
-            return String.valueOf(metadata.get("total"));
-        } catch ( RestClientException rce ) {
-            logger.error(rce.getMessage());
-            return null;
-        } catch ( Exception e ) {
-            logger.error("", e);
-            return null;
-        }
     }
 
 
@@ -116,28 +95,7 @@ public class StatsServiceImpl implements StatsService {
                 " ( datasourcetypename exact Institutional Repository  " +
                 "     or datasourcetypename exact Publication Repository )";
 
-        UriComponents uriComponents = UriComponentsBuilder
+        return getMetadataTotals(url);
-                .fromHttpUrl(url)
-                .queryParam("page", 0)
-                .queryParam("size", 0)
-                .queryParam("format", "json")
-                .build().encode();
-
-        try {
-            ResponseEntity<Map> rs = restTemplate.exchange(uriComponents.toUri(), HttpMethod.GET, null, Map.class);
-            Map metadata = (Map) ((Map<?, ?>) Objects.requireNonNull(rs.getBody())).get("meta");
-            if ( metadata == null ) {
-                logger.error("The metadata was null!");
-                return null;
-            }
-            return String.valueOf(metadata.get("total"));
-        } catch ( RestClientException rce ) {
-            logger.error(rce.getMessage());
-            return null;
-        } catch ( Exception e ) {
-            logger.error("", e);
-            return null;
-        }
     }
 
 
@@ -148,28 +106,7 @@ public class StatsServiceImpl implements StatsService {
                 " oaftype exact datasource and " +
                 " datasourcetypename exact Journal";
 
-        UriComponents uriComponents = UriComponentsBuilder
+        return getMetadataTotals(url);
-                .fromHttpUrl(url)
-                .queryParam("page", 0)
-                .queryParam("size", 0)
-                .queryParam("format", "json")
-                .build().encode();
-
-        try {
-            ResponseEntity<Map> rs = restTemplate.exchange(uriComponents.toUri(), HttpMethod.GET, null, Map.class);
-            Map metadata = (Map) ((Map<?, ?>) Objects.requireNonNull(rs.getBody())).get("meta");
-            if ( metadata == null ) {
-                logger.error("The metadata was null!");
-                return null;
-            }
-            return String.valueOf(metadata.get("total"));
-        } catch ( RestClientException rce ) {
-            logger.error(rce.getMessage());
-            return null;
-        } catch ( Exception e ) {
-            logger.error("", e);
-            return null;
-        }
     }
 
 
@@ -177,28 +114,7 @@ public class StatsServiceImpl implements StatsService {
     {
         String url = baseAddress + "/publications/count";
 
-        UriComponents uriComponents = UriComponentsBuilder
+        return getCommonStats(url);
-                .fromHttpUrl(url)
-                .queryParam("page", 0)
-                .queryParam("size", 0)
-                .queryParam("format", "json")
-                .build().encode();
-
-        try {
-            ResponseEntity<Map> rs = restTemplate.exchange(uriComponents.toUri(), HttpMethod.GET, null, Map.class);
-            Map metadata = (Map<?, ?>) rs.getBody();
-            if ( metadata == null ) {
-                logger.error("The metadata was null!");
-                return null;
-            }
-            return String.valueOf(metadata.get("total"));
-        } catch ( RestClientException rce ) {
-            logger.error(rce.getMessage());
-            return null;
-        } catch ( Exception e ) {
-            logger.error("", e);
-            return null;
-        }
     }
 
 
@@ -206,28 +122,7 @@ public class StatsServiceImpl implements StatsService {
     {
         String url = baseAddress + "/datasets/count";
 
-        UriComponents uriComponents = UriComponentsBuilder
+        return getCommonStats(url);
-                .fromHttpUrl(url)
-                .queryParam("page", 0)
-                .queryParam("size", 0)
-                .queryParam("format", "json")
-                .build().encode();
-
-        try {
-            ResponseEntity<Map> rs = restTemplate.exchange(uriComponents.toUri(), HttpMethod.GET, null, Map.class);
-            Map metadata = (Map<?, ?>) rs.getBody();
-            if ( metadata == null ) {
-                logger.error("The metadata was null!");
-                return null;
-            }
-            return String.valueOf(metadata.get("total"));
-        } catch ( RestClientException rce ) {
-            logger.error(rce.getMessage());
-            return null;
-        } catch ( Exception e ) {
-            logger.error("", e);
-            return null;
-        }
     }
 
 
@@ -235,28 +130,7 @@ public class StatsServiceImpl implements StatsService {
     {
         String url = baseAddress + "/software/count";
 
-        UriComponents uriComponents = UriComponentsBuilder
+        return getCommonStats(url);
-                .fromHttpUrl(url)
-                .queryParam("page", 0)
-                .queryParam("size", 0)
-                .queryParam("format", "json")
-                .build().encode();
-
-        try {
-            ResponseEntity<Map> rs = restTemplate.exchange(uriComponents.toUri(), HttpMethod.GET, null, Map.class);
-            Map metadata = (Map<?, ?>) rs.getBody();
-            if ( metadata == null ) {
-                logger.error("The metadata was null!");
-                return null;
-            }
-            return String.valueOf(metadata.get("total"));
-        } catch ( RestClientException rce ) {
-            logger.error(rce.getMessage());
-            return null;
-        } catch ( Exception e ) {
-            logger.error("", e);
-            return null;
-        }
     }
 
 
@@ -297,17 +171,70 @@ public class StatsServiceImpl implements StatsService {
 
         try {
             ResponseEntity<Map> rs = restTemplate.exchange(uriComponents.toUri(), HttpMethod.GET, null, Map.class);
-            Map metadata = (Map) ((Map<?, ?>) Objects.requireNonNull(rs.getBody())).get("totals");
+            Map statsTotals = (Map) ((Map<?, ?>) Objects.requireNonNull(rs.getBody())).get("totals");
-            if ( metadata == null ) {
+            if ( statsTotals == null ) {
-                logger.error("The metadata was null!");
+                logger.error("The statsTotals was null!");
                 return null;
             }
 
+            // TODO - Will we ever need the following lines?
             // String rs = restTemplate.getForObject(uriComponents.toUri(), String.class);
             // JSONObject resultSet = new JSONObject(rs);
             // JSONObject totals = resultSet.getJSONObject("totals");
 
-            return (Integer) metadata.get("events");
+            return (Integer) statsTotals.get("events");
+        } catch ( RestClientException rce ) {
+            logger.error(rce.getMessage());
+            return null;
+        } catch ( Exception e ) {
+            logger.error("", e);
+            return null;
+        }
+    }
+
+
+    private String getMetadataTotals(String url) {
+        UriComponents uriComponents = UriComponentsBuilder
+                .fromHttpUrl(url)
+                .queryParam("page", 0)
+                .queryParam("size", 0)
+                .queryParam("format", "json")
+                .build().encode();
+
+        try {
+            ResponseEntity<Map> rs = restTemplate.exchange(uriComponents.toUri(), HttpMethod.GET, null, Map.class);
+            Map metadata = (Map) ((Map<?, ?>) Objects.requireNonNull(rs.getBody())).get("meta");
+            if ( metadata == null ) {
+                logger.error("The metadata was null!");
+                return null;
+            }
+            return String.valueOf(metadata.get("total"));
+        } catch ( RestClientException rce ) {
+            logger.error(rce.getMessage());
+            return null;
+        } catch ( Exception e ) {
+            logger.error("", e);
+            return null;
+        }
+    }
+
+
+    private String getCommonStats(String url) {
+        UriComponents uriComponents = UriComponentsBuilder
+                .fromHttpUrl(url)
+                .queryParam("page", 0)
+                .queryParam("size", 0)
+                .queryParam("format", "json")
+                .build().encode();
+
+        try {
+            ResponseEntity<Map> rs = restTemplate.exchange(uriComponents.toUri(), HttpMethod.GET, null, Map.class);
+            Map stats = (Map<?, ?>) rs.getBody();
+            if ( stats == null ) {
+                logger.error("The stats was null!");
+                return null;
+            }
+            return String.valueOf(stats.get("total"));
         } catch ( RestClientException rce ) {
             logger.error(rce.getMessage());
             return null;

src/main/java/eu/dnetlib/repo/manager/service/SushiliteServiceImpl.java

@@ -1,14 +1,17 @@
 package eu.dnetlib.repo.manager.service;
 
+import eu.dnetlib.usagestats.sushilite.domain.Customer;
 import eu.dnetlib.usagestats.sushilite.domain.ReportItem;
 import eu.dnetlib.usagestats.sushilite.domain.ReportResponseWrapper;
 import org.springframework.beans.factory.annotation.Value;
 import org.springframework.core.ParameterizedTypeReference;
 import org.springframework.http.HttpMethod;
+import org.springframework.http.HttpStatus;
 import org.springframework.http.ResponseEntity;
 import org.springframework.http.converter.json.MappingJackson2HttpMessageConverter;
 import org.springframework.security.access.prepost.PreAuthorize;
 import org.springframework.stereotype.Service;
+import org.springframework.web.client.RestClientException;
 import org.springframework.web.client.RestTemplate;
 import org.springframework.web.util.UriComponentsBuilder;
 
@@ -40,62 +43,79 @@ public class SushiliteServiceImpl implements SushiliteService {
                                                   String Granularity,
                                                   String Pretty) {
 
-            //build the uri params
+        //build the uri params
-            UriComponentsBuilder builder = UriComponentsBuilder.fromHttpUrl(this.usagestatsSushiliteEndpoint + "GetReport/")
+        UriComponentsBuilder builder = UriComponentsBuilder.fromHttpUrl(this.usagestatsSushiliteEndpoint + "GetReport/")
-                                                                .queryParam("Report", Report)
+                                                            .queryParam("Report", Report)
-                                                                .queryParam("Release", Release)
+                                                            .queryParam("Release", Release)
-                                                                .queryParam("RequestorID", RequestorID)
+                                                            .queryParam("RequestorID", RequestorID)
-                                                                .queryParam("BeginDate", BeginDate)
+                                                            .queryParam("BeginDate", BeginDate)
-                                                                .queryParam("EndDate", EndDate)
+                                                            .queryParam("EndDate", EndDate)
-                                                                .queryParam("RepositoryIdentifier", RepositoryIdentifier)
+                                                            .queryParam("RepositoryIdentifier", RepositoryIdentifier)
-                                                                .queryParam("ItemIdentifier", ItemIdentifier)
+                                                            .queryParam("ItemIdentifier", ItemIdentifier)
-                                                                .queryParam("ItemDataType", ItemDataType)
+                                                            .queryParam("ItemDataType", ItemDataType)
-                                                                .queryParam("Granularity", Granularity)
+                                                            .queryParam("Granularity", Granularity)
-                                                                .queryParam("Pretty", Pretty);
+                                                            .queryParam("Pretty", Pretty);
 
-            //create new template engine
+        //create new restTemplate engine
-            RestTemplate template = new RestTemplate();
+        RestTemplate restTemplate = new RestTemplate();
-            template.getMessageConverters().add(new MappingJackson2HttpMessageConverter());
+        restTemplate.getMessageConverters().add(new MappingJackson2HttpMessageConverter());
 
-            ResponseEntity<ReportResponseWrapper> resp;
+        ResponseEntity<ReportResponseWrapper> resp;
 
+        try {
             //communicate with endpoint
-            resp = template.exchange(
+            resp = restTemplate.exchange(
                     builder.build().encode().toUri(),
                     HttpMethod.GET,
                     null,
-                    new ParameterizedTypeReference<ReportResponseWrapper>() {
+                    new ParameterizedTypeReference<ReportResponseWrapper>() {});
-                    });
+        } catch (RestClientException rce) {
+            logger.error("", rce);
+            return null;
+        }
 
-            // check remote api's response
+        // check remote api's response
-            System.out.println("sushi responded status " + resp.getStatusCode());
+        HttpStatus httpStatus = resp.getStatusCode();
+        if ( httpStatus != HttpStatus.OK ) {
+            logger.warn("Sushi cannot give us data! Responded status: " + httpStatus);
+            return null;
+        }
 
-            // get the items corresponding to the requested page
+        ReportResponseWrapper reportResponseWrapper = resp.getBody();
-            List<ReportItem> requestedItemList = new ArrayList<>();
+        if ( reportResponseWrapper == null ) {
-            if (resp.getBody().getReportResponse().getReportWrapper().getReport().getCustomer().getReportItems() != null) {
+            logger.error("The \"reportResponseWrapper\" for sushi was null!");
-                try {
+            return null;
-                    int totalItems = resp.getBody().getReportResponse().getReportWrapper().getReport().getCustomer().getReportItems().size();
+        }
-                    int size = Integer.parseInt(pageSize);
-                    int offset = Integer.parseInt(page)*size;
 
-                    if (offset < totalItems ) {
+        // get the items corresponding to the requested page
-                        int upperIndex = offset+size;
+        List<ReportItem> requestedItemList = new ArrayList<>();
-                        if (upperIndex > totalItems) {
+
-                            upperIndex = totalItems;
+        Customer customer = reportResponseWrapper.getReportResponse().getReportWrapper().getReport().getCustomer();
-                        }
+        List<ReportItem> allReportItems = customer.getReportItems();
-                        requestedItemList = resp.getBody().getReportResponse().getReportWrapper().getReport().getCustomer().getReportItems().subList(offset,upperIndex);
+
+        if ( allReportItems != null) {
+            try {
+                int totalItems = allReportItems.size();
+                int size = Integer.parseInt(pageSize);
+                int offset = (Integer.parseInt(page) * size);
+
+                if (offset < totalItems ) {
+                    int upperIndex = (offset + size);
+                    if (upperIndex > totalItems) {
+                        upperIndex = totalItems;
                     }
-                } catch (NumberFormatException e) {
+                    requestedItemList = allReportItems.subList(offset, upperIndex);
-                    logger.debug("Exception on getReportResults - trying to cast strings to integers", e);
-                    //emailUtils.reportException(e);
-                    throw e;
                 }
+            } catch (NumberFormatException e) {
+                logger.debug("Exception on getReportResults - trying to cast strings to integers", e);
+                //emailUtils.reportException(e);
+                throw e;
             }
+        }
 
-            ReportResponseWrapper newReportResponse = resp.getBody();
+        customer.setReportItems(requestedItemList); // Setting the reportItems to the "customer"-reference, updates the "reportResponseWrapper" object.
-            newReportResponse.getReportResponse().getReportWrapper().getReport().getCustomer().setReportItems(requestedItemList);
 
-            return newReportResponse;
+        return reportResponseWrapper;
     }
 
 }

src/main/java/eu/dnetlib/repo/manager/service/aai/registry/RegistryCalls.java

@@ -98,11 +98,7 @@ public class RegistryCalls implements AaiRegistryService {
         try {
             OIDCAuthenticationToken authentication = (OIDCAuthenticationToken) SecurityContextHolder.getContext().getAuthentication();
             String sub = authentication.getUserInfo().getSub();
-            Map<String, String> params = new HashMap<>();
+            return getCoPersonIdByIdentifier(sub);
-            params.put("coid", coid);
-            params.put("search.identifier", sub);
-            JsonElement response = httpUtils.get("co_people.json", params);
-            return (response != null) ? response.getAsJsonObject().get("CoPeople").getAsJsonArray().get(0).getAsJsonObject().get("Id").getAsInt() : null;
         } catch (Exception e) {
             logger.error("Get User info: An error occurred ", e);
             return null;
@@ -296,9 +292,11 @@ public class RegistryCalls implements AaiRegistryService {
         JsonArray infos = getUserEmailByCouId(couId, false);
 
         infos.forEach(info -> {
+            JsonObject jsonInfo = info.getAsJsonObject();
+
             User user = new User();
+            user.setEmail(jsonInfo.get("email").getAsString());
             // TODO: should add firstname and lastname and sub of user
-            user.setEmail(info.getAsJsonObject().get("email").getAsString());
 
             users.add(user);
         });
@@ -316,9 +314,10 @@ public class RegistryCalls implements AaiRegistryService {
         JsonArray infos = (response != null) ? response.getAsJsonObject().get("Names").getAsJsonArray() : new JsonArray();
         JsonArray names = new JsonArray();
         infos.forEach(info -> {
+            JsonObject jsonInfo = info.getAsJsonObject();
             JsonObject user = new JsonObject();
-            user.addProperty("name", info.getAsJsonObject().get("Given").getAsString() + " " + info.getAsJsonObject().get("Family").getAsString());
+            user.addProperty("name", jsonInfo.get("Given").getAsString() + " " + jsonInfo.get("Family").getAsString());
-            user.addProperty("memberSince", info.getAsJsonObject().get("Created").getAsString());
+            user.addProperty("memberSince", jsonInfo.get("Created").getAsString());
             names.add(user);
         });
         return names;
@@ -335,9 +334,10 @@ public class RegistryCalls implements AaiRegistryService {
         JsonArray infos = (response != null) ? response.getAsJsonObject().get("Identifiers").getAsJsonArray() : new JsonArray();
         JsonArray emails = new JsonArray();
         infos.forEach(info -> {
+            JsonObject jsonInfo = info.getAsJsonObject();
             JsonObject user = new JsonObject();
-            user.addProperty("id", info.getAsJsonObject().get("Identifier").getAsString());
+            user.addProperty("id", jsonInfo.get("Identifier").getAsString());
-            user.addProperty("memberSince", info.getAsJsonObject().get("Created").getAsString());
+            user.addProperty("memberSince", jsonInfo.get("Created").getAsString());
             emails.add(user);
         });
         return emails;
@@ -380,7 +380,11 @@ public class RegistryCalls implements AaiRegistryService {
         params.put("copersonid", coPersonId.toString());
         JsonElement response = httpUtils.get("names.json", params);
         JsonObject info = (response != null) ? response.getAsJsonObject().get("Names").getAsJsonArray().get(0).getAsJsonObject() : null;
-        return (info != null) ? info.getAsJsonObject().get("Given").getAsString() + " " + info.getAsJsonObject().get("Family").getAsString() : null;
+        if ( info != null ) {
+            JsonObject jsonInfo = info.getAsJsonObject();
+            return jsonInfo.get("Given").getAsString() + " " + jsonInfo.get("Family").getAsString();
+        } else
+            return null;
     }
 
     @Override
@@ -427,8 +431,9 @@ public class RegistryCalls implements AaiRegistryService {
         int total = couIds.size();
         for (JsonElement cou : cous) {
             if (count < total) {
-                if (idNameMap.containsKey(cou.getAsJsonObject().get("Id").getAsInt())) {
+                JsonObject jsonCou = cou.getAsJsonObject();
-                    idNameMap.put(cou.getAsJsonObject().get("Id").getAsInt(), cou.getAsJsonObject().get("Name").getAsString());
+                if (idNameMap.containsKey(jsonCou.get("Id").getAsInt())) {
+                    idNameMap.put(jsonCou.get("Id").getAsInt(), jsonCou.get("Name").getAsString());
                     count++;
                 }
             } else {

src/main/java/eu/dnetlib/repo/manager/service/security/AuthoritiesMapper.java

@@ -2,10 +2,12 @@ package eu.dnetlib.repo.manager.service.security;
 
 import com.google.gson.JsonArray;
 import com.google.gson.JsonElement;
+import com.nimbusds.jose.util.StandardCharset;
 import org.apache.log4j.Logger;
 import org.springframework.security.core.GrantedAuthority;
 import org.springframework.security.core.authority.SimpleGrantedAuthority;
 
+import java.io.UnsupportedEncodingException;
 import java.net.URLDecoder;
 import java.util.*;
 import java.util.regex.Matcher;
@@ -25,22 +27,24 @@ public class AuthoritiesMapper {
         return authorities;
     }
 
-    public static List<String> entitlementRoles(JsonArray entitlements) {
+    public static List<String> entitlementRoles(JsonArray entitlements) throws UnsupportedEncodingException {
         List<String> roles = new ArrayList<>();
         if (entitlements != null) {
             for (JsonElement obj : entitlements) {
                 Matcher matcher = ENTITLEMENT_REGEX.matcher(obj.getAsString());
                 if (matcher.find()) {
                     StringBuilder sb = new StringBuilder();
-                    if (matcher.group(1) != null && matcher.group(1).length() > 0) {
+                    String group1 = matcher.group(1);
-                        sb.append(matcher.group(1));
+                    if (group1 != null && group1.length() > 0) {
+                        sb.append(group1);
                     }
-                    if (matcher.group(2).length() > 0) {
+                    String group2 = matcher.group(2);
+                    if (group2.length() > 0) {
                         sb.append(":");
-                        sb.append(matcher.group(2));
+                        sb.append(group2);
                     }
                     String role = sb.toString().replace("+", " ");
-                    roles.add(URLDecoder.decode(role));
+                    roles.add(URLDecoder.decode(role, StandardCharset.UTF_8.name()));
                 }
             }
         }
@@ -53,15 +57,17 @@ public class AuthoritiesMapper {
                 Matcher matcher = ENTITLEMENT_REGEX.matcher(obj.getAsString());
                 if (matcher.find()) {
                     StringBuilder sb = new StringBuilder();
-                    if (matcher.group(1) != null && matcher.group(1).length() > 0) {
+                    String group1 = matcher.group(1);
-                        sb.append(matcher.group(1).replace("+-+", "_").replaceAll("[+.]", "_").toUpperCase());
+                    if (group1 != null && group1.length() > 0) {
+                        sb.append(group1.replace("+-+", "_").replaceAll("[+.]", "_").toUpperCase());
                     }
-                    if (matcher.group(2).length() > 0) {
+                    String group2 = matcher.group(2);
+                    if (group2.length() > 0) {
                         sb.append("_");
-                        if (matcher.group(2).equals("admins")) {
+                        if (group2.equals("admins")) {
                             sb.append("MANAGER");
                         } else {
-                            sb.append(matcher.group(2).toUpperCase());
+                            sb.append(group2.toUpperCase());
                         }
                     }
                     authorities.add(new SimpleGrantedAuthority(sb.toString()));

src/main/java/eu/dnetlib/repo/manager/service/security/AuthoritiesUpdater.java

@@ -28,11 +28,11 @@ public class AuthoritiesUpdater extends HttpSessionSecurityContextRepository {
 
     public void update(String id, Update update) {
         if (sessions != null) {
-            Map<String, Session> map = sessions.
+            Map map = sessions.findByIndexNameAndIndexValue(FindByIndexNameSessionRepository.PRINCIPAL_NAME_INDEX_NAME, id);
-                    findByIndexNameAndIndexValue(FindByIndexNameSessionRepository.PRINCIPAL_NAME_INDEX_NAME, id);
             if (map != null) {
                 logger.debug(map.values().toArray().length);
-                for (Session session : map.values()) {
+                for ( Object sessionObject : map.values()) {
+                    Session session = (Session) sessionObject;
                     logger.debug(session.getId());
                     if (!session.isExpired()) {
                         SecurityContext securityContext = session.getAttribute(SPRING_SECURITY_CONTEXT_KEY);

src/main/java/eu/dnetlib/repo/manager/utils/Converter.java

@@ -50,7 +50,7 @@ public class Converter {
         return resultSet;
     }
 
-    public List<RepositoryInterface> toRepositoryInterfaceList(List<ApiDetails> apiDetailsList) throws JSONException {
+    public List<RepositoryInterface> toRepositoryInterfaceList(List<ApiDetails> apiDetailsList) {
 
         List<RepositoryInterface> resultSet = new ArrayList<>();
 

src/main/java/eu/dnetlib/repo/manager/utils/CrisValidatorUtils.java

@@ -3,6 +3,7 @@ package eu.dnetlib.repo.manager.utils;
 import eu.dnetlib.domain.functionality.validator.JobResultEntry;
 import eu.dnetlib.domain.functionality.validator.StoredJob;
 import org.eurocris.openaire.cris.validator.model.Job;
+import org.eurocris.openaire.cris.validator.model.Rule;
 import org.eurocris.openaire.cris.validator.model.RuleResults;
 
 import java.text.DateFormat;
@@ -20,14 +21,17 @@ public class CrisValidatorUtils {
         StoredJob sj = new StoredJob();
         sj.setId(job.getId().hashCode());
         sj.setValidationStatus(job.getStatus());
-        if (job.getDateFinished() != null) {
+
-            sj.setEnded(DATE_FORMATTER.format(job.getDateFinished()));
+        Date dateFinished = job.getDateFinished();
-            sj.setDuration(DURATION_FORMATTER.format(new Date(job.getDateFinished().getTime() - job.getDateStarted().getTime())));
+        Date dateStarted = job.getDateStarted();
+        if ( dateFinished != null ) {
+            sj.setEnded(DATE_FORMATTER.format(dateFinished));
+            sj.setDuration(DURATION_FORMATTER.format(new Date(dateFinished.getTime() - dateStarted.getTime())));
         } else {
             sj.setEnded("-");
             sj.setDuration("-");
         }
-        sj.setStarted(DATE_FORMATTER.format(job.getDateStarted()));
+        sj.setStarted(DATE_FORMATTER.format(dateStarted));
 
         sj.setUserEmail(job.getUser());
         sj.setCris(true);
@@ -56,21 +60,24 @@ public class CrisValidatorUtils {
     public static List<JobResultEntry> crisResultsToJobEntries(Job crisJob) {
         List<JobResultEntry> jobResultEntries = new ArrayList<>();
         for (RuleResults ruleResults : crisJob.getRuleResults()) {
+            Rule rule = ruleResults.getRule();
             JobResultEntry jobResultEntry = new JobResultEntry();
-            jobResultEntry.setName(ruleResults.getRule().getName());
+            jobResultEntry.setName(rule.getName());
-            jobResultEntry.setRuleId(ruleResults.getRule().getId());
+            jobResultEntry.setRuleId(rule.getId());
-            jobResultEntry.setDescription(ruleResults.getRule().getDescription());
+            jobResultEntry.setDescription(rule.getDescription());
             jobResultEntry.setMandatory(true);
-            jobResultEntry.setWeight(Math.round(ruleResults.getRule().getWeight()));
+            jobResultEntry.setWeight(Math.round(rule.getWeight()));
-            jobResultEntry.setType(ruleResults.getRule().getType());
+            jobResultEntry.setType(rule.getType());
             jobResultEntry.setHasErrors(false);
-            if (ruleResults.getCount() == 0) {
+            long countRuleResults = ruleResults.getCount();
+            if (countRuleResults == 0) {
                 jobResultEntry.setSuccesses("-");
             } else {
-                jobResultEntry.setSuccesses(ruleResults.getCount() - ruleResults.getFailed() + "/" + ruleResults.getCount());
+                jobResultEntry.setSuccesses(countRuleResults - ruleResults.getFailed() + "/" + countRuleResults);
             }
-            if (ruleResults.getErrorMessages() != null && !ruleResults.getErrorMessages().isEmpty()) {
+            List<String> errorMessages = ruleResults.getErrorMessages();
-                jobResultEntry.setErrors(ruleResults.getErrorMessages());
+            if (errorMessages != null && !errorMessages.isEmpty()) {
+                jobResultEntry.setErrors(errorMessages);
                 jobResultEntry.setHasErrors(true);
             }
             jobResultEntries.add(jobResultEntry);

src/main/java/eu/dnetlib/repo/manager/utils/HttpUtils.java

@@ -85,12 +85,17 @@ public class HttpUtils {
     }
 
     private JsonElement getResponseEntityAsJsonElement(ResponseEntity<String> responseEntity) {
-        if (responseEntity != null && responseEntity.getBody() != null) {
+
-            logger.debug(responseEntity.getBody());
+        if ( responseEntity == null )
+            return null;
+
+        String responseBody = responseEntity.getBody();
+        if ( responseBody != null ) {
+            logger.debug(responseBody);
             try {
-                return new JsonParser().parse(responseEntity.getBody());
+                return new JsonParser().parse(responseBody);
             } catch (Exception e) {
-                logger.warn("Could not parse response body", e);
+                logger.warn("Could not parse response body", e);    // Will return null.
             }
         }
         return null;

src/main/java/eu/dnetlib/repo/manager/utils/RestTemplateResponseErrorHandler.java

@@ -1,4 +1,4 @@
-package eu.dnetlib.repo.manager.controllers;
+package eu.dnetlib.repo.manager.utils;
 
 import eu.dnetlib.repo.manager.exception.EndPointException;
 import org.springframework.http.HttpStatus;