README.md

@@ -0,0 +1,10 @@
+# Provide
+
+[...]
+
+## 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.
+  - If you want to just run the app, then run the script with the argument "1": **./installAndRun.sh 1**
+  - If you want to just install the app, then run the script with the argument "2": **./installAndRun.sh 2**

installAndRun.sh

@@ -1,7 +1,7 @@
 # This script can create the local "dnet-repository" and copy the "settings-dnet.xml" file there.
 # It also builds the project, using the aforementioned settings file.
 # Then it can run the project locally.
-# By giving different options, the user can either install and run locally, just install or just run the project.
+# By giving different options, the user can either install and run locally, just install (arg: 2) or just run (arg: 1) the project.
 
 
 # For error-handling, we cannot use the "set -e" since: it has problems https://mywiki.wooledge.org/BashFAQ/105

src/main/java/eu/dnetlib/repo/manager/config/DatasourceConfiguration.java

@@ -12,7 +12,7 @@ import org.springframework.transaction.annotation.EnableTransactionManagement;
 @EnableTransactionManagement
 public class DatasourceConfiguration {
 
-    private static Logger LOGGER = Logger.getLogger(DatasourceConfiguration.class);
+    private static Logger logger = Logger.getLogger(DatasourceConfiguration.class);
 
     @Value("${services.provide.db.driverClassName}")
     private String driverClassname;

src/main/java/eu/dnetlib/repo/manager/config/FrontEndLinkURIAuthenticationSuccessHandler.java

@@ -22,11 +22,10 @@ public class FrontEndLinkURIAuthenticationSuccessHandler implements Authenticati
 
     private String frontEndURI;
 
-    private static final Logger LOGGER = Logger
+    private static final Logger logger = Logger.getLogger(FrontEndLinkURIAuthenticationSuccessHandler.class);
-            .getLogger(FrontEndLinkURIAuthenticationSuccessHandler.class);
 
     public void init() {
-        LOGGER.debug("Front end uri : " + frontEndURI);
+        logger.debug("Front end uri : " + frontEndURI);
     }
 
 

src/main/java/eu/dnetlib/repo/manager/config/RedisConfiguration.java

@@ -15,7 +15,7 @@ import javax.annotation.PostConstruct;
 @EnableRedisHttpSession
 public class RedisConfiguration {
 
-    private static Logger LOGGER = Logger.getLogger(RedisConfiguration.class);
+    private static Logger logger = Logger.getLogger(RedisConfiguration.class);
 
     @Value("${services.provide.redis.host}")
     private String host;
@@ -31,12 +31,12 @@ public class RedisConfiguration {
 
     @PostConstruct
     private void init() {
-        LOGGER.info(String.format("Redis : %s Port : %s Password : %s", host, port, password));
+        logger.info(String.format("Redis : %s Port : %s Password : %s", host, port, password));
     }
 
     @Bean
     public JedisConnectionFactory connectionFactory() {
-        LOGGER.info(String.format("Redis : %s Port : %s Password : %s", host, port, password));
+        logger.info(String.format("Redis : %s Port : %s Password : %s", host, port, password));
         JedisConnectionFactory jedisConnectionFactory = new JedisConnectionFactory();
         jedisConnectionFactory.setHostName(host);
         jedisConnectionFactory.setPort(Integer.parseInt(port));
@@ -51,7 +51,7 @@ public class RedisConfiguration {
         serializer.setCookieName("openAIRESession");
         serializer.setCookiePath("/");
         serializer.setDomainName(domain);
-        LOGGER.info("Serializer : " + serializer);
+        logger.info("Serializer : " + serializer);
         return serializer;
     }
 

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

@@ -7,10 +7,7 @@ import eu.dnetlib.repo.manager.domain.RepositorySummaryInfo;
 import eu.dnetlib.repo.manager.domain.UsageSummary;
 import eu.dnetlib.repo.manager.exception.BrokerException;
 import eu.dnetlib.repo.manager.exception.RepositoryServiceException;
-import eu.dnetlib.repo.manager.service.BrokerService;
+import eu.dnetlib.repo.manager.service.*;
-import eu.dnetlib.repo.manager.service.DashboardService;
-import eu.dnetlib.repo.manager.service.PiWikService;
-import eu.dnetlib.repo.manager.service.RepositoryService;
 import io.swagger.annotations.Api;
 import org.json.JSONException;
 import org.mitre.openid.connect.model.OIDCAuthenticationToken;
@@ -33,6 +30,9 @@ public class DashboardController {
     @Autowired
     private RepositoryService repositoryService;
 
+    @Autowired
+    private AggregationService aggregationService;
+
     @Autowired
     private BrokerService brokerService;
 
@@ -57,12 +57,12 @@ public class DashboardController {
             @PathVariable("repoId") String repoId,
             @RequestParam(name = "size", required = false, defaultValue = "20") int size) throws JSONException {
 
-        List<AggregationInfo> aggregationInfo = repositoryService.getRepositoryAggregations(repoId, 0, size);
+        List<AggregationInfo> aggregationInfo = aggregationService.getRepositoryAggregations(repoId, 0, size);
         CollectionMonitorSummary collectionMonitorSummary = new CollectionMonitorSummary();
         collectionMonitorSummary.setAggregationInfo(aggregationInfo);
         size = 0;
         do {
-            aggregationInfo = repositoryService.getRepositoryAggregations(repoId, size, size + 50);
+            aggregationInfo = aggregationService.getRepositoryAggregations(repoId, size, size + 50);
             for (AggregationInfo aggregationDetail : aggregationInfo) {
                 if (aggregationDetail.isIndexedVersion()) {
                     collectionMonitorSummary.setLastIndexedVersion(aggregationDetail);

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

@@ -20,8 +20,7 @@ import org.springframework.web.bind.annotation.*;
 @Api(description = "Monitor API",  tags = {"monitor"})
 public class MonitorController {
 
-    private static final Logger LOGGER = Logger
+    private static final Logger logger = Logger.getLogger(MonitorController.class);
-            .getLogger(MonitorController.class);
 
     @Autowired
     private MonitorServiceImpl monitorService;

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

@@ -33,8 +33,7 @@ import java.util.List;
 @Api(description = "Piwik API",  tags = {"piwik"})
 public class PiWikController {
 
-    private static final Logger LOGGER = Logger
+    private static final Logger logger = Logger.getLogger(PiWikController.class);
-            .getLogger(PiWikController.class);
 
     @Autowired
     private PiWikServiceImpl piWikService;
@@ -121,7 +120,7 @@ public class PiWikController {
             writer.write(sb.toString());
 
         } catch (FileNotFoundException e) {
-            LOGGER.error(e.getMessage());
+            logger.error(e.getMessage());
         }
 
 

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

@@ -24,7 +24,7 @@ import java.io.File;
 @RestController
 @RequestMapping("/actuator/prometheus")
 public class PrometheusController { // TODO: remove this with migration to Spring Boot 2
-    private static final Logger LOGGER = Logger.getLogger(PrometheusController.class);
+    private static final Logger logger = Logger.getLogger(PrometheusController.class);
 
     private final PiWikService piWikService;
     private final RepositoryService repositoryService;
@@ -52,7 +52,7 @@ public class PrometheusController { // TODO: remove this with migration to Sprin
         try (JvmGcMetrics jvmGcMetrics = new JvmGcMetrics() ) {
             jvmGcMetrics.bindTo(registry);
         } catch (Exception e) {
-            LOGGER.error("", e);
+            logger.error("", e);
         }
         new JvmMemoryMetrics().bindTo(registry);
         new DiskSpaceMetrics(new File("/")).bindTo(registry);

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

@@ -6,6 +6,7 @@ import eu.dnetlib.repo.manager.domain.dto.RepositoryTerms;
 import eu.dnetlib.repo.manager.domain.dto.User;
 import eu.dnetlib.repo.manager.exception.RepositoryServiceException;
 import eu.dnetlib.repo.manager.exception.ResourceNotFoundException;
+import eu.dnetlib.repo.manager.service.AggregationService;
 import eu.dnetlib.repo.manager.service.RepositoryService;
 import eu.dnetlib.repo.manager.service.security.AuthorizationService;
 import eu.dnetlib.repo.manager.utils.JsonUtils;
@@ -37,12 +38,16 @@ public class RepositoryController {
     private static final Logger logger = Logger.getLogger(RepositoryController.class);
 
     private final RepositoryService repositoryService;
+
+    private final AggregationService aggregationService;
+
     private final AuthorizationService authorizationService;
 
     @Autowired
     RepositoryController(RepositoryService repositoryService,
-                         AuthorizationService authorizationService) {
+                         AggregationService aggregationService, AuthorizationService authorizationService) {
         this.repositoryService = repositoryService;
+        this.aggregationService = aggregationService;
         this.authorizationService = authorizationService;
     }
 
@@ -121,14 +126,14 @@ public class RepositoryController {
             produces = MediaType.APPLICATION_JSON_VALUE)
     @ResponseBody
     public List<AggregationInfo> getRepositoryAggregations(@PathVariable("id") String id) throws JSONException {
-        return repositoryService.getRepositoryAggregations(id, 0, 20);
+        return aggregationService.getRepositoryAggregations(id, 0, 20);
     }
 
     @RequestMapping(value = "/getRepositoryAggregationsByYear/{id}", method = RequestMethod.GET,
             produces = MediaType.APPLICATION_JSON_VALUE)
     @ResponseBody
     public Map<String, List<AggregationInfo>> getRepositoryAggregationsByYear(@PathVariable("id") String id) throws JSONException {
-        return repositoryService.getRepositoryAggregationsByYear(id);
+        return aggregationService.getRepositoryAggregationsByYear(id);
     }
 
     @RequestMapping(value = "/getRepositoriesByName/{name:.+}/{page}/{size}/", method = RequestMethod.GET,

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

@@ -16,19 +16,17 @@ public class RestTemplateResponseErrorHandler implements ResponseErrorHandler {
 
     @Override
     public boolean hasError(ClientHttpResponse httpResponse) throws IOException {
-        return (httpResponse.getStatusCode().series() == CLIENT_ERROR
+        HttpStatus.Series seriesError = httpResponse.getStatusCode().series();
-                || httpResponse.getStatusCode().series() == SERVER_ERROR);
+        return ( (seriesError == CLIENT_ERROR) || (seriesError == SERVER_ERROR) );
     }
 
     @Override
     public void handleError(ClientHttpResponse httpResponse) throws IOException {
 
-        if (httpResponse.getStatusCode().series() == HttpStatus.Series.SERVER_ERROR) {
+        HttpStatus statusCode = httpResponse.getStatusCode();
+        if ( statusCode == HttpStatus.NOT_FOUND )
+            throw new IOException();
+        else if (statusCode.series() == SERVER_ERROR)
             throw new EndPointException();
-        } else if (httpResponse.getStatusCode().series() == HttpStatus.Series.CLIENT_ERROR) {
-            if (httpResponse.getStatusCode() == HttpStatus.NOT_FOUND) {
-                throw new IOException();
-            }
-        }
     }
 }

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

@@ -19,8 +19,7 @@ public class StatsController {
     @Autowired
     private StatsServiceImpl statsService;
 
-    @RequestMapping(value = "/getStatistics" , method = RequestMethod.GET,
+    @RequestMapping(value = "/getStatistics" , method = RequestMethod.GET, produces = MediaType.APPLICATION_JSON_VALUE)
-            produces = MediaType.APPLICATION_JSON_VALUE)
     @ResponseBody
     public Map getStatistics(){
        return statsService.getStatistics();

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

@@ -0,0 +1,17 @@
+package eu.dnetlib.repo.manager.service;
+
+import eu.dnetlib.enabling.datasources.common.AggregationInfo;
+import org.json.JSONException;
+
+import java.util.List;
+import java.util.Map;
+
+public interface AggregationService {
+
+    <T extends AggregationInfo> List<T> getRepositoryAggregations(String id) throws JSONException;
+
+    <T extends AggregationInfo> List<T> getRepositoryAggregations(String id, int from, int size) throws JSONException;
+
+    <T extends AggregationInfo> Map<String, List<T>> getRepositoryAggregationsByYear(String id) throws JSONException;
+
+}

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

@@ -0,0 +1,85 @@
+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;
+
+import java.util.Comparator;
+import java.util.HashMap;
+import java.util.List;
+import java.util.Map;
+import java.util.stream.Collectors;
+
+import static eu.dnetlib.repo.manager.utils.DateUtils.getYear;
+
+@Service("aggregationService")
+public class AggregationServiceImpl implements AggregationService {
+
+    private static final Logger logger = Logger.getLogger(AggregationServiceImpl.class);
+
+
+    @Value("${services.provide.clients.dsm}")
+    private String baseAddress;
+
+    private final RestTemplate restTemplate;
+
+
+    public AggregationServiceImpl(RestTemplate restTemplate) {
+        this.restTemplate = restTemplate;
+    }
+
+
+    @Override
+    public <T extends AggregationInfo> List<T> getRepositoryAggregations(String id) {
+
+        logger.debug("Retrieving aggregations for repository with id : " + id);
+        UriComponents uriComponents = getAggregationHistory(id);
+
+        AggregationHistoryResponse rs = restTemplate.getForObject(uriComponents.toUri(), AggregationHistoryResponse.class);
+
+        return rs != null ? (List<T>) rs.getAggregationInfo() : null;
+    }
+
+    @Override
+    public <T extends AggregationInfo> List<T> getRepositoryAggregations(String id, int from, int size) {
+
+        List<T> res = getRepositoryAggregations(id);
+
+        return res.subList(from, Math.min(from + size, res.size()));
+    }
+
+    @Override
+    public <T extends AggregationInfo> Map<String, List<T>> getRepositoryAggregationsByYear(String id) {
+        logger.debug("Retrieving aggregations (by year) for repository with id : " + id);
+
+        List<T> aggregationHistory = getRepositoryAggregations(id);
+
+        return aggregationHistory.isEmpty() ? new HashMap<>() : createYearMap(aggregationHistory);
+    }
+
+    private <T extends AggregationInfo> Map<String, List<T>> createYearMap(List<T> aggregationHistory) {
+
+        aggregationHistory = aggregationHistory.stream()
+                .sorted(Comparator.comparing(AggregationInfo::getDate).reversed())
+                .collect(Collectors.toList());
+
+        return aggregationHistory.stream()
+                .collect(Collectors.groupingBy(item -> getYear(item.getDate())));
+    }
+
+
+    private UriComponents getAggregationHistory(String repoId) {
+        return UriComponentsBuilder
+                .fromHttpUrl(baseAddress + "/ds/aggregationhistory/")
+                .path(repoId)
+                .build().expand(repoId).encode();
+    }
+
+}

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

@@ -40,8 +40,7 @@ public class BrokerServiceImpl implements BrokerService {
     @Value("${services.provide.topic_types.url}")
     private String topicsURL;
 
-    private static final org.apache.log4j.Logger LOGGER = org.apache.log4j.Logger
+    private static final org.apache.log4j.Logger logger = org.apache.log4j.Logger.getLogger(BrokerServiceImpl.class);
-            .getLogger(BrokerServiceImpl.class);
 
     @Autowired
     RestTemplate restTemplate;
@@ -56,14 +55,14 @@ public class BrokerServiceImpl implements BrokerService {
         httpHeaders = new HttpHeaders();
         httpHeaders.set("Content-Type", "application/json");
 
-        LOGGER.debug("Init dnet topics!");
+        logger.debug("Init dnet topics!");
         try (InputStream is = new URL(topicsURL).openStream()) {
             ObjectMapper mapper = new ObjectMapper();
             JsonNode root = mapper.readTree(is);
             for (JsonNode term : root.path("terms"))
                 topics.put(term.path("code").textValue(), parseTerm(term));
         } catch (IOException e) {
-            LOGGER.error("Exception on initDnetTopicsMap", e);
+            logger.error("Exception on initDnetTopicsMap", e);
         }
     }
 
@@ -89,7 +88,7 @@ public class BrokerServiceImpl implements BrokerService {
 //                ret.setDatasourcesOfOthers(getDatasourcesOfUserType(getRepositoriesOfUser(user)));
 //            }
         } catch (Exception e) {
-            LOGGER.error("Exception on getDatasourcesOfUser", e);
+            logger.error("Exception on getDatasourcesOfUser", e);
         }
         long end = System.currentTimeMillis();
         System.out.println("Getting datasources of user in " + (end - start) + "ms");
@@ -213,7 +212,7 @@ public class BrokerServiceImpl implements BrokerService {
         UriComponentsBuilder builder = UriComponentsBuilder.fromHttpUrl(openairePath + service)
                 .queryParam("email", userEmail);
 
-        LOGGER.debug(builder.build().encode().toUri());
+        logger.debug(builder.build().encode().toUri());
         ResponseEntity<Map<String, List<SimpleSubscriptionDesc>>> resp;
         try {
             resp = restTemplate.exchange(

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

@@ -23,6 +23,9 @@ public class DashboardServiceImpl implements DashboardService {
     @Autowired
     private RepositoryService repositoryService;
 
+    @Autowired
+    private AggregationService aggregationService;
+
     @Autowired
     private BrokerService brokerService;
 
@@ -34,7 +37,6 @@ public class DashboardServiceImpl implements DashboardService {
         List<RepositorySummaryInfo> repositorySummaryInfoList = new ArrayList<>();
 
         try {
-
             List<RepositorySnippet> repositoriesOfUser = repositoryService.getRepositoriesSnippetsOfUser(userEmail, page, size);
             for (RepositorySnippet repository : repositoriesOfUser) {
                 RepositorySummaryInfo repositorySummaryInfo = new RepositorySummaryInfo();
@@ -44,7 +46,7 @@ public class DashboardServiceImpl implements DashboardService {
 
                 //TODO getRepositoryAggregations returns only the 20 more recent items. Is it positive that we will find an indexed version there?
                 long start = System.currentTimeMillis();
-                List<AggregationInfo> aggregationInfoList = repositoryService.getRepositoryAggregations(repository.getId(), 0, 20);
+                List<AggregationInfo> aggregationInfoList = aggregationService.getRepositoryAggregations(repository.getId(), 0, 20);
                 for (AggregationInfo aggregationInfo : aggregationInfoList) {
                     if (aggregationInfo.isIndexedVersion()) {
                         repositorySummaryInfo.setRecordsCollected(aggregationInfo.getNumberOfRecords());
@@ -53,35 +55,28 @@ public class DashboardServiceImpl implements DashboardService {
                     }
                 }
                 long end = System.currentTimeMillis();
-
                 System.out.println("Got repo aggregations in " + (end - start) + "ms");
 
                 try {
-
                     MetricsInfo metricsInfo = repositoryService.getMetricsInfoForRepository(repository.getId());
                     repositorySummaryInfo.setTotalDownloads(metricsInfo.getMetricsNumbers().getTotalDownloads());
                     repositorySummaryInfo.setTotalViews(metricsInfo.getMetricsNumbers().getTotalViews());
-
                 } catch (RepositoryServiceException e) {
                     logger.error("Exception getting metrics info for repository: " + repository.getId(), e);
                 }
 
                 try {
-
                     List<BrowseEntry> events = brokerService.getTopicsForDatasource(repository.getOfficialname());
                     Long totalEvents = 0L;
                     for (BrowseEntry browseEntry : events)
                         totalEvents += browseEntry.getSize();
                     repositorySummaryInfo.setEnrichmentEvents(totalEvents);
-
-
                 } catch (BrokerException e) {
                     logger.error("Exception getting broker events for repository: " + repository.getId(), e);
                 }
 
                 repositorySummaryInfoList.add(repositorySummaryInfo);
             }
-
         } catch (Exception e) {
             logger.error("Something baad happened!", e);
         }

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

@@ -21,7 +21,7 @@ import java.util.stream.Collectors;
 @Component("emailUtils")
 public class EmailUtilsImpl implements EmailUtils {
 
-    private final static Logger LOGGER = Logger.getLogger(EmailUtilsImpl.class);
+    private final static Logger logger = Logger.getLogger(EmailUtilsImpl.class);
 
     private final MailLibrary mailLibrary;
     private final RepositoryService repositoryService;
@@ -65,7 +65,7 @@ public class EmailUtilsImpl implements EmailUtils {
             this.sendMail(this.usageStatsAdminEmail, subject, message);
 
         } catch (Exception e) {
-            LOGGER.error("Error while sending request to enable metrics email to administrator: " + this.usageStatsAdminEmail, e);
+            logger.error("Error while sending request to enable metrics email to administrator: " + this.usageStatsAdminEmail, e);
             throw e;
         }
     }
@@ -102,7 +102,7 @@ public class EmailUtilsImpl implements EmailUtils {
             this.sendMail(piwikInfo.getRequestorEmail(), subject, message);
 
         } catch (Exception e) {
-            LOGGER.error("Error while sending request to enable metrics email to user: " + piwikInfo.getRequestorEmail(), e);
+            logger.error("Error while sending request to enable metrics email to user: " + piwikInfo.getRequestorEmail(), e);
             throw e;
         }
     }
@@ -126,7 +126,7 @@ public class EmailUtilsImpl implements EmailUtils {
             this.sendMail(this.usageStatsAdminEmail, subject, message);
 
         } catch (Exception e) {
-            LOGGER.error("Error while sending metrics enabled notification email to administator: " + this.usageStatsAdminEmail, e);
+            logger.error("Error while sending metrics enabled notification email to administator: " + this.usageStatsAdminEmail, e);
             throw e;
         }
     }
@@ -154,7 +154,7 @@ public class EmailUtilsImpl implements EmailUtils {
             this.sendMail(piwikInfo.getRequestorEmail(), subject, message);
 
         } catch (Exception e) {
-            LOGGER.error("Error while sending metrics enabled notification email to user: " + piwikInfo.getRequestorEmail(), e);
+            logger.error("Error while sending metrics enabled notification email to user: " + piwikInfo.getRequestorEmail(), e);
             throw e;
         }
     }
@@ -178,7 +178,7 @@ public class EmailUtilsImpl implements EmailUtils {
             this.sendMail(this.provideAdminEmail, subject, message);
 
         } catch (Exception e) {
-            LOGGER.error("Error while sending registration notification email to the administrator", e);
+            logger.error("Error while sending registration notification email to the administrator", e);
             throw e;
         }
     }
@@ -201,7 +201,7 @@ public class EmailUtilsImpl implements EmailUtils {
             this.sendMail(repository.getRegisteredby(), subject, message);
 
         } catch (Exception e) {
-            LOGGER.error("Error while sending registration notification email to user: " + repository.getRegisteredby(), e);
+            logger.error("Error while sending registration notification email to user: " + repository.getRegisteredby(), e);
             throw e;
         }
     }
@@ -234,7 +234,7 @@ public class EmailUtilsImpl implements EmailUtils {
             this.sendMail(this.provideAdminEmail, subject, message);
 
         } catch (Exception e) {
-            LOGGER.error("Error while sending registration of interface notification email to the administrator", e);
+            logger.error("Error while sending registration of interface notification email to the administrator", e);
             throw e;
         }
     }
@@ -265,7 +265,7 @@ public class EmailUtilsImpl implements EmailUtils {
             this.sendMail(repository.getRegisteredby(), subject, message);
 
         } catch (Exception e) {
-            LOGGER.error("Error while sending registration of interface notification email to user: " + repository.getRegisteredby(), e);
+            logger.error("Error while sending registration of interface notification email to user: " + repository.getRegisteredby(), e);
             throw e;
         }
     }
@@ -295,7 +295,7 @@ public class EmailUtilsImpl implements EmailUtils {
             this.sendMail(repository.getRegisteredby(), subject, message);
 
         } catch (Exception e) {
-            LOGGER.error("Error while sending registration notification email to user: " + repository.getRegisteredby(), e);
+            logger.error("Error while sending registration notification email to user: " + repository.getRegisteredby(), e);
             throw e;
         }
     }
@@ -326,7 +326,7 @@ public class EmailUtilsImpl implements EmailUtils {
             this.sendMail(this.provideAdminEmail, subject, message);
 
         } catch (Exception e) {
-            LOGGER.error("Error while sending registration notification email to user: " + repository.getRegisteredby(), e);
+            logger.error("Error while sending registration notification email to user: " + repository.getRegisteredby(), e);
             throw e;
         }
     }
@@ -355,7 +355,7 @@ public class EmailUtilsImpl implements EmailUtils {
             this.sendMail(repository.getRegisteredby(), subject, message);
 
         } catch (Exception e) {
-            LOGGER.error("Error while sending registration notification email to user: " + repository.getRegisteredby(), e);
+            logger.error("Error while sending registration notification email to user: " + repository.getRegisteredby(), e);
             throw e;
         }
     }
@@ -386,7 +386,7 @@ public class EmailUtilsImpl implements EmailUtils {
             this.sendMail(this.provideAdminEmail, subject, message);
 
         } catch (Exception e) {
-            LOGGER.error("Error while sending registration notification email to user: " + repository.getRegisteredby(), e);
+            logger.error("Error while sending registration notification email to user: " + repository.getRegisteredby(), e);
             throw e;
         }
     }
@@ -414,7 +414,7 @@ public class EmailUtilsImpl implements EmailUtils {
             this.sendMail(issuer, subject, message);
 
         } catch (Exception e) {
-            LOGGER.error("Error while sending registration notification email to the administrator", e);
+            logger.error("Error while sending registration notification email to the administrator", e);
             throw e;
         }
     }
@@ -443,7 +443,7 @@ public class EmailUtilsImpl implements EmailUtils {
                 this.sendMail(this.provideAdminEmail, subject, message);
 
             } catch (Exception e) {
-                LOGGER.error("Error while sending registration notification email to the administrator", e);
+                logger.error("Error while sending registration notification email to the administrator", e);
                 throw e;
             }
     }
@@ -473,7 +473,7 @@ public class EmailUtilsImpl implements EmailUtils {
             this.sendMail(issuer, subject, message);
 
         } catch (Exception e) {
-            LOGGER.error("Error while sending registration notification email to user: " + repository.getRegisteredby(), e);
+            logger.error("Error while sending registration notification email to user: " + repository.getRegisteredby(), e);
             throw e;
         }
     }
@@ -504,7 +504,7 @@ public class EmailUtilsImpl implements EmailUtils {
             this.sendMail(this.provideAdminEmail, subject, message);
 
         } catch (Exception e) {
-            LOGGER.error("Error while sending registration notification email to user: " + repository.getRegisteredby(), e);
+            logger.error("Error while sending registration notification email to user: " + repository.getRegisteredby(), e);
             throw e;
         }
     }
@@ -524,7 +524,7 @@ public class EmailUtilsImpl implements EmailUtils {
             this.sendMail(issuer, subject, message);
 
         } catch (Exception e) {
-            LOGGER.error("Error while sending validation submission notification email to user: " + issuer, e);
+            logger.error("Error while sending validation submission notification email to user: " + issuer, e);
             throw e;
         }
     }
@@ -545,7 +545,7 @@ public class EmailUtilsImpl implements EmailUtils {
             this.sendMail(this.provideAdminEmail, subject, message);
 
         } catch (Exception e) {
-            LOGGER.error("Error while sending validation submission notification email to user: " + issuer, e);
+            logger.error("Error while sending validation submission notification email to user: " + issuer, e);
             throw e;
         }
     }
@@ -563,7 +563,7 @@ public class EmailUtilsImpl implements EmailUtils {
             this.sendMail(this.provideAdminEmail, subject, message);
 
         } catch (Exception e) {
-            LOGGER.error("Error while sending validation submission notification email to user: " + issuer, e);
+            logger.error("Error while sending validation submission notification email to user: " + issuer, e);
             throw e;
         }
     }
@@ -583,7 +583,7 @@ public class EmailUtilsImpl implements EmailUtils {
             this.sendMail(this.provideAdminEmail, subject, message);
 
         } catch (Exception e) {
-            LOGGER.error("Error while sending registration notification email to the administrator", e);
+            logger.error("Error while sending registration notification email to the administrator", e);
             throw e;
         }
     }
@@ -604,7 +604,7 @@ public class EmailUtilsImpl implements EmailUtils {
             this.sendMail(repository.getRegisteredby(), subject, message);
 
         } catch (Exception e) {
-            LOGGER.error("Error while sending registration notification email to user: " + repository.getRegisteredby(), e);
+            logger.error("Error while sending registration notification email to user: " + repository.getRegisteredby(), e);
             throw e;
         }
     }
@@ -635,7 +635,7 @@ public class EmailUtilsImpl implements EmailUtils {
             this.sendMail(this.provideAdminEmail, subject, message);
 
         } catch (Exception e) {
-            LOGGER.error("Error while sending registration notification email to the administrator", e);
+            logger.error("Error while sending registration notification email to the administrator", e);
             throw e;
         }
     }
@@ -666,7 +666,7 @@ public class EmailUtilsImpl implements EmailUtils {
             this.sendMail(repository.getRegisteredby(), subject, message);
 
         } catch (Exception e) {
-            LOGGER.error("Error while sending registration notification email to user: " + repository.getRegisteredby(), e);
+            logger.error("Error while sending registration notification email to user: " + repository.getRegisteredby(), e);
             throw e;
         }
     }
@@ -686,7 +686,7 @@ public class EmailUtilsImpl implements EmailUtils {
             this.sendMail(jobForValidation.getUserEmail(), subject, message);
 
         } catch (Exception e) {
-            LOGGER.error("Error while sending validation submission notification email to user: " + jobForValidation.getUserEmail(), e);
+            logger.error("Error while sending validation submission notification email to user: " + jobForValidation.getUserEmail(), e);
             throw e;
         }
     }
@@ -742,10 +742,10 @@ public class EmailUtilsImpl implements EmailUtils {
 
     public void sendMail(List<String> recipients, String subject, String message) throws Exception {
         try {
-            LOGGER.debug("Sending e-mail\nRecipients: " + recipients + "\nSubject: " + subject + "\nMessage: " + message);
+            logger.debug("Sending e-mail\nRecipients: " + recipients + "\nSubject: " + subject + "\nMessage: " + message);
             mailLibrary.sendEmail(recipients.toArray(new String[]{}), subject, message);
         } catch (Exception e) {
-            LOGGER.error("Error sending e-mail\nRecipients: " + recipients + "\nSubject: " + subject + "\nMessage: " + message, e);
+            logger.error("Error sending e-mail\nRecipients: " + recipients + "\nSubject: " + subject + "\nMessage: " + message, e);
             throw e;
         }
     }

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

@@ -22,6 +22,8 @@ import java.util.stream.Collectors;
 @Service("monitorService")
 public class MonitorServiceImpl implements MonitorService {
 
+    private static final Logger logger = Logger.getLogger(MonitorServiceImpl.class);
+
     @Autowired
     private MapJobDao crisJobs;
 
@@ -41,9 +43,6 @@ public class MonitorServiceImpl implements MonitorService {
     }
 
 
-    private static final Logger LOGGER = Logger
-            .getLogger(MonitorServiceImpl.class);
-
     @Override
     public JobsOfUser getJobsOfUser(String user,
                                     String jobType,
@@ -54,8 +53,8 @@ public class MonitorServiceImpl implements MonitorService {
                                     String validationStatus,
                                     String includeJobsTotal) throws JSONException, ValidatorServiceException {
 
-        LOGGER.debug("Getting jobs of user : " + user);
+        logger.debug("Getting jobs of user : " + user
-        LOGGER.debug(user + "/" + jobType + "/" + offset + "/" + dateFrom + "/" + dateTo + "/" + validationStatus + "/" + includeJobsTotal);
+                + "\n" + user + "/" + jobType + "/" + offset + "/" + dateFrom + "/" + dateTo + "/" + validationStatus + "/" + includeJobsTotal);
 
         /////////////////////////////////////////////////////////////////////////////////////////
         // FIXME: this is a hack for CRIS Jan Dvorak Validator, should be implemented properly //
@@ -154,7 +153,7 @@ public class MonitorServiceImpl implements MonitorService {
     public int getJobsOfUserPerValidationStatus(String user,
                                                 String jobType,
                                                 String validationStatus) throws JSONException {
-        LOGGER.debug("Getting job with validation status : " + validationStatus);
+        logger.debug("Getting job with validation status : " + validationStatus);
 
         if (jobType.equalsIgnoreCase("cris")) {
             return crisJobs.getJobs(user, validationStatus).size();
@@ -163,7 +162,7 @@ public class MonitorServiceImpl implements MonitorService {
         try {
             return getValidationService().getStoredJobsTotalNumberNew(user, jobType, validationStatus);
         } catch (ValidatorServiceException e) {
-            LOGGER.error(e);
+            logger.error(e);
         }
         return 0;
     }
@@ -171,12 +170,12 @@ public class MonitorServiceImpl implements MonitorService {
     @Override
     public StoredJob getJobSummary(String jobId,
                                    String groupBy) throws JSONException {
-        LOGGER.debug("Getting job summary with id : " + jobId);
+        logger.debug("Getting job summary with id : " + jobId);
         StoredJob job = null;
         try {
             job = getValidationService().getStoredJob(Integer.parseInt(jobId), groupBy);
         } catch (ValidatorServiceException e) {
-            LOGGER.error(e);
+            logger.error(e);
         }
         /////////////////////////////////////////////////////////////////////////////////////////
         // FIXME: this is a hack for CRIS Jan Dvorak Validator, should be implemented properly //

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

@@ -32,6 +32,9 @@ import java.util.Map;
 @Service("piwikService")
 public class PiWikServiceImpl implements PiWikService {
 
+    private static final Logger logger = Logger.getLogger(PiWikServiceImpl.class);
+
+
     @Autowired
     private DataSource dataSource;
 
@@ -47,8 +50,6 @@ public class PiWikServiceImpl implements PiWikService {
     @Qualifier("emailUtils")
     private EmailUtils emailUtils;
 
-    private static final Logger LOGGER = Logger
-            .getLogger(PiWikServiceImpl.class);
 
     private final static String GET_PIWIK_SITE = "select repositoryid, siteid, authenticationtoken, creationdate, requestorname, requestoremail, validated, validationdate, comment, repositoryname, country from piwik_site where repositoryid = ?;";
 
@@ -168,10 +169,10 @@ public class PiWikServiceImpl implements PiWikService {
             emailUtils.sendUserMetricsEnabled(piwikInfo);
 
         } catch (EmptyResultDataAccessException e) {
-            LOGGER.error("Error while approving piwik site: ", e);
+            logger.error("Error while approving piwik site: ", e);
             throw new RepositoryServiceException("General error", RepositoryServiceException.ErrorCode.GENERAL_ERROR);
         } catch (Exception e) {
-            LOGGER.error("Error while sending email to administrator or user about the enabling of metrics", e);
+            logger.error("Error while sending email to administrator or user about the enabling of metrics", e);
             throw new RepositoryServiceException(e, RepositoryServiceException.ErrorCode.GENERAL_ERROR);
         }
         return new ResponseEntity<>("OK", HttpStatus.OK);
@@ -202,13 +203,13 @@ public class PiWikServiceImpl implements PiWikService {
             emailUtils.sendAdministratorRequestToEnableMetrics(piwikInfo);
             emailUtils.sendUserRequestToEnableMetrics(piwikInfo);
         } catch (UnsupportedEncodingException uee) {
-            LOGGER.error("Error while creating piwikScript URL", uee);
+            logger.error("Error while creating piwikScript URL", uee);
             throw new RepositoryServiceException("login.generalError", RepositoryServiceException.ErrorCode.GENERAL_ERROR);
         } catch (IOException ioe) {
-            LOGGER.error("Error while creating piwik site", ioe);
+            logger.error("Error while creating piwik site", ioe);
             throw new RepositoryServiceException("login.generalError", RepositoryServiceException.ErrorCode.GENERAL_ERROR);
         } catch (Exception e) {
-            LOGGER.error("Error while sending email to administrator or user about the request to enable metrics", e);
+            logger.error("Error while sending email to administrator or user about the request to enable metrics", e);
             throw new RepositoryServiceException(e, RepositoryServiceException.ErrorCode.GENERAL_ERROR);
         }
         return piwikInfo;

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

@@ -1,6 +1,5 @@
 package eu.dnetlib.repo.manager.service;
 
-import eu.dnetlib.enabling.datasources.common.AggregationInfo;
 import eu.dnetlib.repo.manager.domain.*;
 import eu.dnetlib.repo.manager.exception.RepositoryServiceException;
 import eu.dnetlib.repo.manager.exception.ResourceNotFoundException;
@@ -43,12 +42,6 @@ public interface RepositoryService {
 
     Repository getRepositoryById(String id) throws JSONException, ResourceNotFoundException;
 
-    <T extends AggregationInfo> List<T> getRepositoryAggregations(String id) throws JSONException;
-
-    <T extends AggregationInfo> List<T> getRepositoryAggregations(String id, int from, int size) throws JSONException;
-
-    <T extends AggregationInfo> Map<String, List<T>> getRepositoryAggregationsByYear(String id) throws JSONException;
-
     List<Repository> getRepositoriesByName(String name,
                                            String page,
                                            String size) throws JSONException;

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

@@ -11,7 +11,6 @@ import com.google.gson.JsonObject;
 import eu.dnetlib.api.functionality.ValidatorServiceException;
 import eu.dnetlib.domain.enabling.Vocabulary;
 import eu.dnetlib.domain.functionality.validator.JobForValidation;
-import eu.dnetlib.enabling.datasources.common.AggregationInfo;
 import eu.dnetlib.repo.manager.domain.*;
 import eu.dnetlib.repo.manager.domain.broker.BrowseEntry;
 import eu.dnetlib.repo.manager.domain.dto.Role;
@@ -51,14 +50,11 @@ import java.io.IOException;
 import java.sql.Timestamp;
 import java.util.*;
 import java.util.concurrent.ConcurrentHashMap;
-import java.util.stream.Collectors;
-
-import static eu.dnetlib.repo.manager.utils.DateUtils.getYear;
 
 @Service("repositoryService")
 public class RepositoryServiceImpl implements RepositoryService {
 
-    private static final Logger LOGGER = Logger.getLogger(RepositoryServiceImpl.class);
+    private static final Logger logger = Logger.getLogger(RepositoryServiceImpl.class);
 
     private final AuthorizationService authorizationService;
     private final RoleMappingService roleMappingService;
@@ -122,8 +118,7 @@ public class RepositoryServiceImpl implements RepositoryService {
 
     @PostConstruct
     private void init() {
-        LOGGER.debug("Initialization method of repository api!");
+        logger.debug("Initialization method of repository api! Updated version!");
-        LOGGER.debug("Updated version!");
 
         for (String key : this.getVocabulary("dnet:datasource_typologies").getAsMap().keySet()) {
             if (key.contains("aggregator")) {
@@ -184,7 +179,7 @@ public class RepositoryServiceImpl implements RepositoryService {
     @Override
     public List<Repository> getRepositories(List<String> ids, int page, int size) throws JSONException {
         List<Repository> repos = new ArrayList<>();
-        LOGGER.debug("Retrieving repositories with ids : " + String.join(", ", ids));
+        logger.debug("Retrieving repositories with ids : " + String.join(", ", ids));
         UriComponents uriComponents = searchDatasource(Integer.toString(Math.abs(page)), Integer.toString(Math.abs(size)));
         RequestFilter requestFilter = new RequestFilter();
 
@@ -229,11 +224,11 @@ public class RepositoryServiceImpl implements RepositoryService {
                         objectMapper.getTypeFactory().constructCollectionType(List.class, RepositorySnippet.class)));
             }
         } catch (Exception e) {
-            LOGGER.debug("Exception on getRepositoriesSnippetOfUser", e);
+            logger.debug("Exception on getRepositoriesSnippetOfUser", e);
             throw e;
         }
 
-        LOGGER.debug("resultSet:" + resultSet);
+        logger.debug("resultSet:" + resultSet);
         resultSet.parallelStream().forEach(repositorySnippet -> {
             repositorySnippet.setPiwikInfo(piWikService.getPiwikSiteForRepo(repositorySnippet.getId()));
         });
@@ -246,7 +241,7 @@ public class RepositoryServiceImpl implements RepositoryService {
                                                             String mode,
                                                             Boolean managed) throws JSONException, IOException {
 
-        LOGGER.debug("Getting repositories by country!");
+        logger.debug("Getting repositories by country!");
         int page = 0;
         int size = 100;
         List<RepositorySnippet> resultSet = new ArrayList<>();
@@ -259,8 +254,7 @@ public class RepositoryServiceImpl implements RepositoryService {
             filterKey = "CRIS system";
 
 
-        LOGGER.debug("Country code equals : " + country);
+        logger.debug("Country code equals : " + country + " | Filter mode equals : " + filterKey);
-        LOGGER.debug("Filter mode equals : " + filterKey);
 
         UriComponents uriComponents = searchSnipperDatasource(String.valueOf(page), String.valueOf(size));
         RequestFilter requestFilter = new RequestFilter();
@@ -284,7 +278,7 @@ public class RepositoryServiceImpl implements RepositoryService {
     public List<RepositorySnippet> searchRegisteredRepositories(String country, String typology, String englishName,
                                                                 String officialName, String requestSortBy, String order, int page, int pageSize) throws Exception {
 
-        LOGGER.debug("Searching registered repositories");
+        logger.debug("Searching registered repositories");
 
         Paging<RepositorySnippet> snippets = null;
         ObjectMapper mapper = new ObjectMapper();
@@ -300,7 +294,7 @@ public class RepositoryServiceImpl implements RepositoryService {
         try {
             String rs = restTemplate.postForObject(uriComponents.toUri(), requestFilter, String.class);
             if (rs == null) {
-                LOGGER.error(String.format("DSM response is null : [url=%s]", uriComponents.toUri()));
+                logger.error(String.format("DSM response is null : [url=%s]", uriComponents.toUri()));
             } else {
                 JSONObject response = new JSONObject(rs);
                 JSONArray jsonArray = (JSONArray) response.get("datasourceInfo");
@@ -312,7 +306,7 @@ public class RepositoryServiceImpl implements RepositoryService {
             }
 
         } catch (Exception e) {
-            LOGGER.error("Error searching registered datasources", e);
+            logger.error("Error searching registered datasources", e);
             throw e;
         }
         return snippets != null ? snippets.getResults() : null; // TODO: return paging when ui is compatible
@@ -337,14 +331,14 @@ public class RepositoryServiceImpl implements RepositoryService {
     @Override
     public List<Repository> getRepositoriesOfUser(String page, String size) throws JSONException {
         String userEmail = ((OIDCAuthenticationToken) SecurityContextHolder.getContext().getAuthentication()).getUserInfo().getEmail();
-        LOGGER.debug("Retrieving repositories of authenticated user : " + userEmail);
+        logger.debug("Retrieving repositories of authenticated user : " + userEmail);
         Collection<String> repoIds = roleMappingService.getRepoIdsByRoleIds(authorizationService.getUserRoles());
         return getRepositories(new ArrayList<>(repoIds));
     }
 
     @Override
     public List<Repository> getRepositoriesOfUser(String userEmail, String page, String size) throws JSONException {
-        LOGGER.debug("Retrieving repositories of authenticated user : " + userEmail);
+        logger.debug("Retrieving repositories of authenticated user : " + userEmail);
         Collection<String> repoIds = roleMappingService.getRepoIdsByRoleIds(authorizationService.getUserRoles(userEmail));
         return getRepositories(new ArrayList<>(repoIds));
     }
@@ -376,7 +370,7 @@ public class RepositoryServiceImpl implements RepositoryService {
     @Override
     public RepositorySnippet getRepositorySnippetById(String id) throws JSONException, ResourceNotFoundException {
 
-        LOGGER.debug("Retrieving repositories with id : " + id);
+        logger.debug("Retrieving repositories with id : " + id);
         RepositorySnippet repo;
         UriComponents uriComponents = searchSnipperDatasource("0", "100");
         RequestFilter requestFilter = new RequestFilter();
@@ -395,7 +389,7 @@ public class RepositoryServiceImpl implements RepositoryService {
     @Override
     public Repository getRepositoryById(String id) throws JSONException, ResourceNotFoundException {
 
-        LOGGER.debug("Retrieving repositories with id : " + id);
+        logger.debug("Retrieving repositories with id : " + id);
         Repository repo;
         UriComponents uriComponents = searchDatasource("0", "100");
         RequestFilter requestFilter = new RequestFilter();
@@ -418,51 +412,12 @@ public class RepositoryServiceImpl implements RepositoryService {
     }
 
 
-    @Override
-    public <T extends AggregationInfo> List<T> getRepositoryAggregations(String id) {
-
-        LOGGER.debug("Retrieving aggregations for repository with id : " + id);
-        UriComponents uriComponents = getAggregationHistory(id);
-
-        AggregationHistoryResponse rs = restTemplate.getForObject(uriComponents.toUri(), AggregationHistoryResponse.class);
-
-        return rs != null ? (List<T>) rs.getAggregationInfo() : null;
-    }
-
-    @Override
-    public <T extends AggregationInfo> List<T> getRepositoryAggregations(String id, int from, int size) {
-
-        List<T> res = getRepositoryAggregations(id);
-
-        return res.subList(from, Math.min(from + size, res.size()));
-    }
-
-    @Override
-    public <T extends AggregationInfo> Map<String, List<T>> getRepositoryAggregationsByYear(String id) {
-        LOGGER.debug("Retrieving aggregations (by year) for repository with id : " + id);
-
-        List<T> aggregationHistory = getRepositoryAggregations(id);
-
-        return aggregationHistory.isEmpty() ? new HashMap<>() : createYearMap(aggregationHistory);
-    }
-
-    private <T extends AggregationInfo> Map<String, List<T>> createYearMap(List<T> aggregationHistory) {
-
-        aggregationHistory = aggregationHistory.stream()
-                .sorted(Comparator.comparing(AggregationInfo::getDate).reversed())
-                .collect(Collectors.toList());
-
-        return aggregationHistory.stream()
-                .collect(Collectors.groupingBy(item -> getYear(item.getDate())));
-    }
-
-
     @Override
     public List<Repository> getRepositoriesByName(String name,
                                                   String page,
                                                   String size) throws JSONException {
 
-        LOGGER.debug("Retrieving  repositories with official name : " + name);
+        logger.debug("Retrieving  repositories with official name : " + name);
         UriComponents uriComponents = searchDatasource("0", "100");
         RequestFilter requestFilter = new RequestFilter();
         requestFilter.setOfficialname(name);
@@ -485,15 +440,19 @@ public class RepositoryServiceImpl implements RepositoryService {
 
 //        String rs = restTemplate.getForObject(uriComponents.toUri(), String.class);
         ApiDetailsResponse rs = restTemplate.getForObject(uriComponents.toUri(), ApiDetailsResponse.class);
-
+        if ( rs == null ) {
+            logger.error("The ApiDetailsResponse was null!");
+            return null;
+        }
 
         // TODO STOP FILTERING OUT "sword", "rest" AND FIX UI!
         List<ApiDetails> res = new ArrayList<>();
 
         for (ApiDetails det: rs.getApi()) {
-            if (!det.getProtocol().equals("sword") &&
+            String protocol = det.getProtocol();
-                    !det.getProtocol().equals("rest") &&
+            if ( !protocol.equals("sword") &&
-                    !det.getProtocol().equals("ftp")) {
+                    !protocol.equals("rest") &&
+                    !protocol.equals("ftp")) {
                 res.add(det);
             }
         }
@@ -504,7 +463,7 @@ public class RepositoryServiceImpl implements RepositoryService {
     @Override
     public Repository addRepository(String datatype, Repository repository) throws Exception {
 
-        LOGGER.debug("storing " + datatype + " repository with id: " + repository.getId());
+        logger.debug("storing " + datatype + " repository with id: " + repository.getId());
 
         repository.setActivationId(UUID.randomUUID().toString());
         repository.setCollectedfrom("infrastruct_::openaire");
@@ -543,10 +502,10 @@ public class RepositoryServiceImpl implements RepositoryService {
         } catch (HttpClientErrorException e) {
             couId = registryCalls.getCouId(newRoleName);
             if (couId == null) {
-                LOGGER.error(String.format("Could not create role '%s'", newRoleName), e);
+                logger.error(String.format("Could not create role '%s'", newRoleName), e);
             }
         } catch (Exception e) {
-            LOGGER.error(String.format("Could not create role '%s'", newRoleName), e);
+            logger.error(String.format("Could not create role '%s'", newRoleName), e);
             throw e;
         }
 
@@ -560,13 +519,12 @@ public class RepositoryServiceImpl implements RepositoryService {
                 // Add role to current user authorities
                 authoritiesUpdater.addRole(roleMappingService.convertRepoIdToAuthority(repository.getId()));
             } catch (Exception e) {
-                LOGGER.debug("Exception on assign role to user during add repository", e);
+                logger.debug("Exception on assign role to user during add repository", e);
                 throw e;
             }
 
         }
 
-
         return repository;
     }
 
@@ -579,7 +537,7 @@ public class RepositoryServiceImpl implements RepositoryService {
 
         // FIXME: problematic
 //        String json_repository = converter.toJson(repository);
-//        LOGGER.debug("JSON to add(update) -> " + json_repository);
+//        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);
@@ -589,10 +547,13 @@ public class RepositoryServiceImpl implements RepositoryService {
                 emailUtils.sendUserRegistrationEmail(repository, authentication);
                 emailUtils.sendAdminRegistrationEmail(repository, authentication);
             } catch (Exception e) {
-                LOGGER.error("Error sending email", e);
+                logger.error("Error sending email", e);
             }
-        } else
+        } else {
-            LOGGER.error("Error storing repository: " + responseEntity.getBody().toString());
+            Object responseBody = responseEntity.getBody();
+            if ( responseBody != null )
+                logger.error("Error updating repository: " + responseBody);
+        }
 
         return repository;
     }
@@ -606,21 +567,23 @@ public class RepositoryServiceImpl implements RepositoryService {
 
         // FIXME: problematic
 //        String json_repository = converter.toJson(repository);
-//        LOGGER.debug("JSON to update -> " + json_repository);
+//        logger.debug("JSON to update -> " + json_repository);
 
         HttpEntity<Repository> httpEntity = new HttpEntity<>(repository, httpHeaders);
-        ResponseEntity responseEntity = restTemplate.exchange(uriComponents.toUri(), HttpMethod.POST, httpEntity
+        ResponseEntity responseEntity = restTemplate.exchange(uriComponents.toUri(), HttpMethod.POST, httpEntity, ResponseEntity.class);
-                , ResponseEntity.class);
 
         if (responseEntity.getStatusCode().equals(HttpStatus.OK)) {
             try {
                 emailUtils.sendUserUpdateRepositoryInfoEmail(repository, authentication);
                 emailUtils.sendAdminUpdateRepositoryInfoEmail(repository, authentication);
             } catch (Exception e) {
-                LOGGER.error("Error sending emails: " + e);
+                logger.error("Error sending emails: " + e);
             }
-        } else
+        } else {
-            LOGGER.debug(responseEntity.getBody().toString());
+            Object responseBody = responseEntity.getBody();
+            if ( responseBody != null )
+                logger.error("Error updating repository: " + responseBody);
+        }
 
         return repository;
     }
@@ -646,10 +609,12 @@ public class RepositoryServiceImpl implements RepositoryService {
                 emailUtils.sendUserRegistrationEmail(repository, authentication);
                 emailUtils.sendAdminRegistrationEmail(repository, authentication);
             } catch (Exception e) {
-                LOGGER.error("Error sending emails: " + e);
+                logger.error("Error sending emails: " + e);
             }
         } else {
-            LOGGER.debug(responseEntity.getBody().toString());
+            Object responseBody = responseEntity.getBody();
+            if ( responseBody != null )
+                logger.error("Error storing repository: " + responseBody);
         }
     }
 
@@ -660,7 +625,7 @@ public class RepositoryServiceImpl implements RepositoryService {
                 .fromHttpUrl(baseAddress + "/ds/api/")
                 .path("/{id}")
                 .build().expand(id).encode();
-        LOGGER.debug(uriComponents.toUri());
+        logger.debug(uriComponents.toUri());
         restTemplate.delete(uriComponents.toUri());
     }
 
@@ -686,7 +651,7 @@ public class RepositoryServiceImpl implements RepositoryService {
             emailUtils.sendAdminRegisterInterfaceEmail(e, comment, repositoryInterface, authentication);
             emailUtils.sendUserRegisterInterfaceEmail(e, comment, repositoryInterface, authentication);
         } catch (Exception ex) {
-            LOGGER.error("Error sending emails: " + ex);
+            logger.error("Error sending emails: " + ex);
         }
 
         submitInterfaceValidation(e, getAuthenticatedUser().getEmail(), repositoryInterface, false);
@@ -709,10 +674,10 @@ public class RepositoryServiceImpl implements RepositoryService {
                 emailUtils.sendAdminUpdateInterfaceEmail(repository, comment, repositoryInterface, authentication);
                 emailUtils.sendUserUpdateInterfaceEmail(repository, comment, repositoryInterface, authentication);
             } catch (Exception e) {
-                LOGGER.error("Error sending emails: " + e);
+                logger.error("Error sending emails: " + e);
             }
         } catch (Exception e) {
-            LOGGER.warn("Could not send emails", e);
+            logger.warn("Could not send emails", e);
         }
 
         submitInterfaceValidation(getRepositoryById(repoId), getAuthenticatedUser().getEmail(), repositoryInterface, true);
@@ -775,7 +740,7 @@ public class RepositoryServiceImpl implements RepositoryService {
         iFace.setMetadataIdentifierPath("//*[local-name()='header']/*[local-name()='identifier']");
         iFace.setId("api_________::" + repo.getId() + "::" + UUID.randomUUID().toString().substring(0, 8));
         if (iFace.getAccessSet() == null || iFace.getAccessSet().isEmpty()) {
-            LOGGER.debug("set is empty: " + iFace.getAccessSet());
+            logger.debug("set is empty: " + iFace.getAccessSet());
 //            iFace.removeAccessSet();
             iFace.setAccessSet("none");
         }
@@ -784,7 +749,7 @@ public class RepositoryServiceImpl implements RepositoryService {
 
     @Override
     public List<String> getDnetCountries() {
-        LOGGER.debug("Getting dnet-countries!");
+        logger.debug("Getting dnet-countries!");
         return converter.readFile("countries.txt");
     }
 
@@ -810,7 +775,8 @@ public class RepositoryServiceImpl implements RepositoryService {
 
         RequestFilter requestFilter = new RequestFilter();
         requestFilter.setRegisteredby(userEmail);
-        return Arrays.asList(restTemplate.postForObject(uriComponents.toUri(), requestFilter, String[].class));
+        Object result = restTemplate.postForObject(uriComponents.toUri(), requestFilter, String[].class);
+        return (result != null) ? Collections.singletonList(result.toString()) : null;
     }
 
     private Vocabulary getVocabulary(String vocName) {
@@ -825,7 +791,7 @@ public class RepositoryServiceImpl implements RepositoryService {
     @Override
     public Map<String, String> getCompatibilityClasses(String mode) {
 
-        LOGGER.debug("Getting compatibility classes for mode: " + mode);
+        logger.debug("Getting compatibility classes for mode: " + mode);
         Map<String, String> retMap = new HashMap<String, String>();
 
         Map<String, String> compatibilityClasses = this.getVocabulary("dnet:compatibilityLevel").getAsMap();
@@ -860,7 +826,7 @@ public class RepositoryServiceImpl implements RepositoryService {
     @Override
     public Map<String, String> getDatasourceClasses(String mode) {
 
-        LOGGER.debug("Getting datasource classes for mode: " + mode);
+        logger.debug("Getting datasource classes for mode: " + mode);
 
         Map<String, String> retMap = new HashMap<String, String>();
 
@@ -921,7 +887,7 @@ public class RepositoryServiceImpl implements RepositoryService {
             return metricsInfo;
 
         } catch (Exception e) {
-            LOGGER.error("Error while getting metrics info for repository: ", e);
+            logger.error("Error while getting metrics info for repository: ", e);
             throw new RepositoryServiceException("General error", RepositoryServiceException.ErrorCode.GENERAL_ERROR);
         }
     }
@@ -1019,12 +985,6 @@ public class RepositoryServiceImpl implements RepositoryService {
         return null;
     }
 
-    private UriComponents getAggregationHistory(String repoId) {
-        return UriComponentsBuilder
-                .fromHttpUrl(baseAddress + "/ds/aggregationhistory/")
-                .path(repoId)
-                .build().expand(repoId).encode();
-    }
 
     private UriComponents searchDatasource(String page, String size) {
 

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

@@ -19,7 +19,7 @@ import java.util.Objects;
 @Service("statsService")
 public class StatsServiceImpl implements StatsService {
 
-    private static final Logger LOGGER = Logger.getLogger(StatsServiceImpl.class);
+    private static final Logger logger = Logger.getLogger(StatsServiceImpl.class);
 
     @Autowired
     RestTemplate restTemplate;
@@ -67,10 +67,10 @@ public class StatsServiceImpl implements StatsService {
             Map metadata = (Map) ((Map<?, ?>) Objects.requireNonNull(rs.getBody())).get("meta");
             return String.valueOf(metadata.get("total"));
         } catch ( RestClientException rce ) {
-            LOGGER.error(rce.getMessage());
+            logger.error(rce.getMessage());
             return null;
         } catch ( Exception e ) {
-            LOGGER.error("", e);
+            logger.error("", e);
             return null;
         }
     }
@@ -94,15 +94,15 @@ public class StatsServiceImpl implements StatsService {
             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!");
+                logger.error("The metadata was null!");
                 return null;
             }
             return String.valueOf(metadata.get("total"));
         } catch ( RestClientException rce ) {
-            LOGGER.error(rce.getMessage());
+            logger.error(rce.getMessage());
             return null;
         } catch ( Exception e ) {
-            LOGGER.error("", e);
+            logger.error("", e);
             return null;
         }
     }
@@ -127,15 +127,15 @@ public class StatsServiceImpl implements StatsService {
             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!");
+                logger.error("The metadata was null!");
                 return null;
             }
             return String.valueOf(metadata.get("total"));
         } catch ( RestClientException rce ) {
-            LOGGER.error(rce.getMessage());
+            logger.error(rce.getMessage());
             return null;
         } catch ( Exception e ) {
-            LOGGER.error("", e);
+            logger.error("", e);
             return null;
         }
     }
@@ -159,15 +159,15 @@ public class StatsServiceImpl implements StatsService {
             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!");
+                logger.error("The metadata was null!");
                 return null;
             }
             return String.valueOf(metadata.get("total"));
         } catch ( RestClientException rce ) {
-            LOGGER.error(rce.getMessage());
+            logger.error(rce.getMessage());
             return null;
         } catch ( Exception e ) {
-            LOGGER.error("", e);
+            logger.error("", e);
             return null;
         }
     }
@@ -188,15 +188,15 @@ public class StatsServiceImpl implements StatsService {
             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!");
+                logger.error("The metadata was null!");
                 return null;
             }
             return String.valueOf(metadata.get("total"));
         } catch ( RestClientException rce ) {
-            LOGGER.error(rce.getMessage());
+            logger.error(rce.getMessage());
             return null;
         } catch ( Exception e ) {
-            LOGGER.error("", e);
+            logger.error("", e);
             return null;
         }
     }
@@ -217,15 +217,15 @@ public class StatsServiceImpl implements StatsService {
             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!");
+                logger.error("The metadata was null!");
                 return null;
             }
             return String.valueOf(metadata.get("total"));
         } catch ( RestClientException rce ) {
-            LOGGER.error(rce.getMessage());
+            logger.error(rce.getMessage());
             return null;
         } catch ( Exception e ) {
-            LOGGER.error("", e);
+            logger.error("", e);
             return null;
         }
     }
@@ -246,15 +246,15 @@ public class StatsServiceImpl implements StatsService {
             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!");
+                logger.error("The metadata was null!");
                 return null;
             }
             return String.valueOf(metadata.get("total"));
         } catch ( RestClientException rce ) {
-            LOGGER.error(rce.getMessage());
+            logger.error(rce.getMessage());
             return null;
         } catch ( Exception e ) {
-            LOGGER.error("", e);
+            logger.error("", e);
             return null;
         }
     }
@@ -280,10 +280,10 @@ public class StatsServiceImpl implements StatsService {
             usagestats.put("year", year);
             return usagestats;
         } catch ( RestClientException rce ) {
-            LOGGER.error(rce.getMessage());
+            logger.error(rce.getMessage());
             return null;
         } catch ( Exception e ) {
-            LOGGER.error("", e);
+            logger.error("", e);
             return null;
         }
     }
@@ -299,7 +299,7 @@ public class StatsServiceImpl implements StatsService {
             ResponseEntity<Map> rs = restTemplate.exchange(uriComponents.toUri(), HttpMethod.GET, null, Map.class);
             Map metadata = (Map) ((Map<?, ?>) Objects.requireNonNull(rs.getBody())).get("totals");
             if ( metadata == null ) {
-                LOGGER.error("The metadata was null!");
+                logger.error("The metadata was null!");
                 return null;
             }
 
@@ -309,10 +309,10 @@ public class StatsServiceImpl implements StatsService {
 
             return (Integer) metadata.get("events");
         } catch ( RestClientException rce ) {
-            LOGGER.error(rce.getMessage());
+            logger.error(rce.getMessage());
             return null;
         } catch ( Exception e ) {
-            LOGGER.error("", e);
+            logger.error("", e);
             return null;
         }
     }

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

@@ -22,7 +22,7 @@ public class SushiliteServiceImpl implements SushiliteService {
     @Value("${services.provide.usagestats.sushiliteEndpoint}")
     private String usagestatsSushiliteEndpoint;
 
-    private static final org.apache.log4j.Logger LOGGER = org.apache.log4j.Logger.getLogger(SushiliteServiceImpl.class);
+    private static final org.apache.log4j.Logger logger = org.apache.log4j.Logger.getLogger(SushiliteServiceImpl.class);
 
 
     @Override
@@ -85,19 +85,16 @@ public class SushiliteServiceImpl implements SushiliteService {
                         }
                         requestedItemList = resp.getBody().getReportResponse().getReportWrapper().getReport().getCustomer().getReportItems().subList(offset,upperIndex);
                     }
-
                 } catch (NumberFormatException e) {
-                    LOGGER.debug("Exception on getReportResults - trying to cast strings to integers", e);
+                    logger.debug("Exception on getReportResults - trying to cast strings to integers", e);
                     //emailUtils.reportException(e);
                     throw e;
                 }
-
             }
 
             ReportResponseWrapper newReportResponse = resp.getBody();
             newReportResponse.getReportResponse().getReportWrapper().getReport().getCustomer().setReportItems(requestedItemList);
 
-
             return newReportResponse;
     }
 

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

@@ -1,7 +1,7 @@
 package eu.dnetlib.repo.manager.service;
 
 import org.mitre.openid.connect.model.OIDCAuthenticationToken;
-import org.springframework.beans.factory.annotation.Value;
+import org.mitre.openid.connect.model.UserInfo;
 import org.springframework.http.HttpStatus;
 import org.springframework.http.ResponseEntity;
 import org.springframework.security.core.GrantedAuthority;
@@ -16,21 +16,25 @@ import java.util.stream.Collectors;
 @Service("userService")
 public class UserServiceImpl implements UserService {
 
-    private static final org.apache.log4j.Logger LOGGER = org.apache.log4j.Logger
+    private static final org.apache.log4j.Logger logger = org.apache.log4j.Logger
             .getLogger(UserServiceImpl.class);
 
     @Override
     public ResponseEntity<Object> login() {
         OIDCAuthenticationToken authentication = (OIDCAuthenticationToken) SecurityContextHolder.getContext().getAuthentication();
-        LOGGER.debug("User authentication : " + authentication);
+        logger.debug("User authentication : " + authentication);
         Map<String,Object> body = new HashMap<>();
         body.put("sub",authentication.getSub());
-        if(authentication.getUserInfo().getName() == null || authentication.getUserInfo().getName().equals(""))
-            body.put("name",authentication.getUserInfo().getGivenName() + " " + authentication.getUserInfo().getFamilyName());
-        else
-            body.put("name",authentication.getUserInfo().getName());
 
-        body.put("email",authentication.getUserInfo().getEmail());
+        UserInfo userInfo = authentication.getUserInfo();
+        String userName = userInfo.getName();
+
+        if ( userName == null || userName.isEmpty() )
+            body.put("name", userInfo.getGivenName() + " " + userInfo.getFamilyName());
+        else
+            body.put("name", userName);
+
+        body.put("email",userInfo.getEmail());
         List<String> roles = authentication.getAuthorities().stream().map(GrantedAuthority::getAuthority).collect(Collectors.toList());
         body.put("role",roles);
 

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

@@ -57,8 +57,7 @@ public class ValidatorServiceImpl implements ValidatorService {
 
     private Map<String, List<RuleSet>> rulesetMap = new ConcurrentHashMap<String, List<RuleSet>>();
 
-    private static final Logger LOGGER = Logger
+    private static final Logger logger = Logger.getLogger(ValidatorServiceImpl.class);
-            .getLogger(ValidatorServiceImpl.class);
 
     @Autowired
     private EmailUtils emailUtils;
@@ -71,7 +70,7 @@ public class ValidatorServiceImpl implements ValidatorService {
 
     @PostConstruct
     private void loadRules(){
-        LOGGER.debug("PostConstruct method! Load rules!");
+        logger.debug("PostConstruct method! Load rules!");
         try {
             for (RuleSet ruleSet : getValidationService().getRuleSets()) {
                 if (ruleSet.getVisibility() != null && ruleSet.getVisibility().contains("development")) {
@@ -124,7 +123,7 @@ public class ValidatorServiceImpl implements ValidatorService {
             /////////////////////////////////////////////////////////////////////////////////////////
             /////////////////////////////////////////////////////////////////////////////////////////
         } catch (ValidatorServiceException e) {
-            LOGGER.error(e);
+            logger.error(e);
         }
 
     }
@@ -132,12 +131,12 @@ public class ValidatorServiceImpl implements ValidatorService {
     @Override
     @PreAuthorize("hasAuthority('REGISTERED_USER')")
     public JobForValidation submitJobForValidation(JobForValidation jobForValidation) throws ValidatorServiceException {
-        LOGGER.debug("Submit job for validation with id : " + jobForValidation.getDatasourceId());
+        logger.debug("Submit job for validation with id : " + jobForValidation.getDatasourceId());
         try {
             try {
                 emailUtils.sendSubmitJobForValidationEmail(SecurityContextHolder.getContext().getAuthentication(), jobForValidation);
             } catch (Exception e) {
-                LOGGER.error("Error sending email ", e);
+                logger.error("Error sending email ", e);
             }
             /////////////////////////////////////////////////////////////////////////////////////////
             // FIXME: this is a hack for CRIS Jan Dvorak Validator, should be implemented properly //
@@ -154,7 +153,7 @@ public class ValidatorServiceImpl implements ValidatorService {
 //            this.getValidationService().submitValidationJob(jobForValidation);
         } catch (Exception e) { // FIXME: replaced exception with log
 //            throw new ValidatorServiceException(e);
-            LOGGER.error(e);
+            logger.error(e);
         }
 
         return jobForValidation;
@@ -163,7 +162,7 @@ public class ValidatorServiceImpl implements ValidatorService {
     @Override
     public ResponseEntity<Object> reSubmitJobForValidation(String email,
                                                            String jobId) throws JSONException, ValidatorServiceException {
-        LOGGER.debug("Resubmit validation job with id : " + jobId);
+        logger.debug("Resubmit validation job with id : " + jobId);
         StoredJob job = monitorApi.getJobSummary(jobId, "all");
         Set<Integer> contentRules = new HashSet<Integer>();
         Set<Integer> usageRules = new HashSet<Integer>();
@@ -198,20 +197,20 @@ public class ValidatorServiceImpl implements ValidatorService {
 
     @Override
     public List<RuleSet> getRuleSets(String mode) {
-        LOGGER.info("Getting rulesets for mode: " + mode);
+        logger.info("Getting rulesets for mode: " + mode);
         return rulesetMap.get(mode);
     }
 
     @Override
     public List<String> getSetsOfRepository(String url) {
-        LOGGER.debug("Getting sets of repository with url : " + url);
+        logger.debug("Getting sets of repository with url : " + url);
 
         List<String> sets = null;
 
         try {
             sets = OaiTools.getSetsOfRepo(url);
         } catch (Exception e) {
-            LOGGER.error("Exception on getSetsOfRepository" , e);
+            logger.error("Exception on getSetsOfRepository" , e);
         }
 
         return sets;
@@ -219,18 +218,18 @@ public class ValidatorServiceImpl implements ValidatorService {
 
     @Override
     public boolean identifyRepo(String url) {
-        LOGGER.debug("Identify repository with url : " + url);
+        logger.debug("Identify repository with url : " + url);
         try {
             return OaiTools.identifyRepository(url);
         } catch (Exception e) {
-            LOGGER.error("Error while identifying repository with url: " + url, e);
+            logger.error("Error while identifying repository with url: " + url, e);
             return false;
         }
     }
 
     @Override
     public RuleSet getRuleSet(String acronym) {
-        LOGGER.debug("Getting ruleset with acronym : " + acronym);
+        logger.debug("Getting ruleset with acronym : " + acronym);
         RuleSet ruleSet = null;
         try {
             for (List<RuleSet> ruleSets : this.rulesetMap.values()) {
@@ -242,7 +241,7 @@ public class ValidatorServiceImpl implements ValidatorService {
             }
             return ruleSet;
         } catch (Exception e) {
-            LOGGER.error("Error getting ruleset", e);
+            logger.error("Error getting ruleset", e);
             return null;
         }
     }
@@ -281,7 +280,7 @@ public class ValidatorServiceImpl implements ValidatorService {
     @Override
     public InterfaceInformation getInterfaceInformation(String baseUrl) throws ValidationServiceException {
         try {
-            LOGGER.debug("Getting interface information with url: " + baseUrl);
+            logger.debug("Getting interface information with url: " + baseUrl);
             InterfaceInformation interfaceInformation = new InterfaceInformation();
             interfaceInformation.setIdentified(this.identifyRepo(baseUrl));
             if (interfaceInformation.isIdentified())
@@ -289,7 +288,7 @@ public class ValidatorServiceImpl implements ValidatorService {
 
             return interfaceInformation;
         } catch (Exception e) {
-            LOGGER.error("Error getting interface information with url: " + baseUrl, e);
+            logger.error("Error getting interface information with url: " + baseUrl, e);
             throw new ValidationServiceException("login.generalError", ValidationServiceException.ErrorCode.GENERAL_ERROR);
         }
     }

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

@@ -2,7 +2,6 @@ package eu.dnetlib.repo.manager.utils;
 
 import com.fasterxml.jackson.core.JsonProcessingException;
 import com.fasterxml.jackson.databind.ObjectMapper;
-import eu.dnetlib.enabling.datasources.common.AggregationInfo;
 import eu.dnetlib.repo.manager.domain.*;
 import org.apache.commons.codec.digest.DigestUtils;
 import org.apache.log4j.Logger;
@@ -12,7 +11,6 @@ import org.json.JSONObject;
 import org.springframework.stereotype.Component;
 
 import java.io.BufferedReader;
-import java.io.IOException;
 import java.io.InputStream;
 import java.io.InputStreamReader;
 import java.util.ArrayList;
@@ -22,7 +20,7 @@ import java.util.Objects;
 @Component
 public class Converter {
 
-    private static final Logger LOGGER = Logger.getLogger(Converter.class);
+    private static final Logger logger = Logger.getLogger(Converter.class);
 
     private final ObjectMapper objectMapper;
 
@@ -52,15 +50,6 @@ public class Converter {
         return resultSet;
     }
 
-    public List<RepositoryInterface> toRepositoryInterfaceList(JSONObject json) throws JSONException {
-
-        List<RepositoryInterface> resultSet = new ArrayList<>();
-        JSONArray rs = json.getJSONArray("api");
-        for (int i = 0; i < rs.length(); i++)
-            resultSet.add(toRepositoryInterface(rs.getJSONObject(i)));
-        return resultSet;
-    }
-
     public List<RepositoryInterface> toRepositoryInterfaceList(List<ApiDetails> apiDetailsList) throws JSONException {
 
         List<RepositoryInterface> resultSet = new ArrayList<>();
@@ -86,28 +75,16 @@ public class Converter {
         String line;
         List<String> list = new ArrayList<>();
         try {
-            //InputStream in = Converter.class.getResourceAsStream("resources/eu/dnetlib/repo/manager/service/utils/"+filename);
+            InputStream in = Converter.class.getResourceAsStream("/eu/**/" + filename);
-            InputStream in = Converter.class.getClass().getResourceAsStream("/eu/**/" + filename);
+            BufferedReader br = new BufferedReader(new InputStreamReader(in));  // It may throw an NPE.
-            BufferedReader br = new BufferedReader(new InputStreamReader(in));
             while ((line = br.readLine()) != null) {
                 list.add(line.trim());
             }
             br.close();
-        } catch (IOException e) {
+        } catch (Exception e) {
-            LOGGER.debug("Error opening file!");
+            logger.error("Error opening file!", e);
-            LOGGER.error(e);
         }
-        return list;
+        return list;    // It may be empty.
-    }
-
-    public List<AggregationInfo> toAggregationHistory(String aggregationHistoryResponse) throws JSONException {
-        List<AggregationInfo> aggregationInfoList = new ArrayList<>();
-        JSONArray aggregationInfo = new JSONObject(aggregationHistoryResponse).getJSONArray("aggregationInfo");
-
-        for (int i = 0; i < aggregationInfo.length(); i++)
-            aggregationInfoList.add(objectMapper.convertValue(aggregationInfo.getJSONObject(i), AggregationInfo.class));
-
-        return aggregationInfoList;
     }
 
     public List<Timezone> toTimezones(List<String> timezones) {

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

@@ -10,7 +10,7 @@ import org.springframework.http.*;
 import org.springframework.stereotype.Component;
 import org.springframework.web.client.RestTemplate;
 
-import java.nio.charset.Charset;
+import java.nio.charset.StandardCharsets;
 import java.util.Map;
 
 @Component
@@ -78,8 +78,7 @@ public class HttpUtils {
     private HttpHeaders createHeaders(String username, String password) {
         return new HttpHeaders() {{
             String auth = username + ":" + password;
-            byte[] encodedAuth = Base64.encodeBase64(
+            byte[] encodedAuth = Base64.encodeBase64(auth.getBytes(StandardCharsets.US_ASCII));
-                    auth.getBytes(Charset.forName("US-ASCII")));
             String authHeader = "Basic " + new String(encodedAuth);
             set("Authorization", authHeader);
         }};

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

@@ -24,16 +24,15 @@ public class OaiTools {
 		disableSslVerification();
 	}
 
-	private static Logger LOGGER = Logger.getLogger(OaiTools.class);
+	private static Logger logger = Logger.getLogger(OaiTools.class);
 
 	public static List<String> getSetsOfRepo(String baseUrl) throws Exception {
 		try {
-			LOGGER.debug("Getting sets of repository " + baseUrl);
+			logger.debug("Getting sets of repository " + baseUrl);
 			OaiPmhServer harvester = new OaiPmhServer(baseUrl);
 			SetsList setList = harvester.listSets();
 			ResumptionToken token = setList.getResumptionToken();
-			List<Set> sets = new ArrayList<Set>();
+			List<Set> sets = new ArrayList<>(setList.asList());
-			sets.addAll(setList.asList());
 			while (token != null) {
 				setList = harvester.listSets(token);
 				token = setList.getResumptionToken();
@@ -49,14 +48,14 @@ public class OaiTools {
 			return ret;
 
 		} catch (Exception e) {
-			LOGGER.error("Error getting sets of repository " + baseUrl, e);
+			logger.error("Error getting sets of repository " + baseUrl, e);
 			return new ArrayList<String>();
 			//throw e;
 		}
 	}
 
 	public static boolean identifyRepository(String baseUrl) throws Exception {
-		LOGGER.debug("sending identify request to repo " + baseUrl);
+		logger.debug("sending identify request to repo " + baseUrl);
 
 		OaiPmhServer harvester = new OaiPmhServer(baseUrl);
 
@@ -71,7 +70,7 @@ public class OaiTools {
 
 			return verifyIdentify(d);
 		} catch (Exception e) {
-			LOGGER.debug("Error verifying identify response", e);
+			logger.debug("Error verifying identify response", e);
 			throw e;
 		}
 	}
@@ -112,7 +111,7 @@ public class OaiTools {
 	private static void disableSslVerification() {
 		try
 		{
-			LOGGER.debug("disabling ssl verification");
+			logger.debug("disabling ssl verification");
 			// Create a trust manager that does not validate certificate chains
 			TrustManager[] trustAllCerts = new TrustManager[] {new X509TrustManager() {
 				public X509Certificate[] getAcceptedIssuers() {
@@ -140,9 +139,9 @@ public class OaiTools {
 			// Install the all-trusting host verifier
 			HttpsURLConnection.setDefaultHostnameVerifier(allHostsValid);
 		} catch (NoSuchAlgorithmException e) {
-			LOGGER.error("disabling ssl verification", e);
+			logger.error("disabling ssl verification", e);
 		} catch (KeyManagementException e) {
-			LOGGER.error("error while disabling ssl verification", e);
+			logger.error("error while disabling ssl verification", e);
 		}
 	}
 }