Code reformatting and cleanup

ccm-core/src/main/java/org/libreccm/categorization/CategoryIdResolver.java

@@ -26,42 +26,51 @@ import javax.enterprise.context.RequestScoped;
 import java.io.Serializable;
 
 /**
+ * Used by the {@link CategorizationImExporter} to resolve categories based on
+ * their UUIDs.
+ *
  * @author <a href="mailto:tosmers@uni-bremen.de">Tobias Osmers</a>
- * @version created on 3/23/17
+ * @author <a href="mailto:jens.pelzetter@googlemail.com">Jens Pelzetter</a>
  */
-@Deprecated
 @RequestScoped
 public class CategoryIdResolver implements Serializable, ObjectIdResolver {
-    private static final long serialVersionUID = -5750627754502675522L;
+
+    private static final long serialVersionUID = 1L;
 
     @Override
-    public void bindItem(ObjectIdGenerator.IdKey idKey,
+    public void bindItem(
-                         Object pojo) {
+        final ObjectIdGenerator.IdKey idKey,
+        final Object object
+    ) {
         // According to the Jackson JavaDoc, this method can be used to keep
         // track of objects directly in a resolver implementation. We don't need
         // this here therefore this method is empty.
     }
 
     @Override
-    public Object resolveId(ObjectIdGenerator.IdKey id) {
+    public Object resolveId(final ObjectIdGenerator.IdKey id) {
-        final CdiUtil cdiUtil = CdiUtil.createCdiUtil();
+        return CdiUtil
-        final CategoryRepository categoryRepository = cdiUtil
+            .createCdiUtil()
-                .findBean(CategoryRepository.class);
+            .findBean(CategoryRepository.class)
-
-        return categoryRepository
             .findByUuid(id.key.toString())
-                .orElseThrow(() -> new IllegalArgumentException(String
+            .orElseThrow(
-                .format("No Category with uuid %s in the database.",
+                () -> new IllegalArgumentException(
-                        id.key.toString())));
+                    String.format(
+                        "No Category with uuid %s in the database.",
+                        id.key.toString()
+                    )
+                )
+            );
     }
 
     @Override
-    public ObjectIdResolver newForDeserialization(Object context) {
+    public ObjectIdResolver newForDeserialization(final Object context) {
         return new CategoryIdResolver();
     }
 
     @Override
-    public boolean canUseFor(ObjectIdResolver resolverType) {
+    public boolean canUseFor(final ObjectIdResolver resolverType) {
         return resolverType instanceof CategoryIdResolver;
     }
+
 }

ccm-core/src/main/java/org/libreccm/categorization/DomainIdResolver.java

@@ -26,41 +26,50 @@ import javax.enterprise.context.RequestScoped;
 import java.io.Serializable;
 
 /**
- * @author <a href="mailto:tosmers@uni-bremen.de>Tobias Osmers<\a>
+ * Used to resolve {@link Domain}s for import/export based on their UUIDs.
- * @version created the 8/2/17
+ * 
+ * @author <a href="mailto:tosmers@uni-bremen.de">Tobias Osmers</a>
+ * @author <a href="mailto:jens.pelzetter@googlemail.com">Jens Pelzetter</a>
  */
-@Deprecated
 @RequestScoped
 public class DomainIdResolver implements Serializable, ObjectIdResolver {
-    private static final long serialVersionUID = -8504371142795445708L;
+
+    private static final long serialVersionUID = 1L;
 
     @Override
-    public void bindItem(ObjectIdGenerator.IdKey idKey, Object o) {
+    public void bindItem(
+        final ObjectIdGenerator.IdKey idKey,
+        final Object object
+    ) {
         // According to the Jackson JavaDoc, this method can be used to keep
         // track of objects directly in a resolver implementation. We don't need
         // this here therefore this method is empty.
     }
 
     @Override
-    public Object resolveId(ObjectIdGenerator.IdKey id) {
+    public Object resolveId(final ObjectIdGenerator.IdKey id) {
-        final CdiUtil cdiUtil = CdiUtil.createCdiUtil();
+        return CdiUtil
-        final DomainRepository domainRepository = cdiUtil
+            .createCdiUtil()
-                .findBean(DomainRepository.class);
+            .findBean(DomainRepository.class)
-
-        return domainRepository
             .findByUuid(id.key.toString())
-                .orElseThrow(() -> new IllegalArgumentException(String
+            .orElseThrow(
-                        .format("No Domain with uuid %s in the database.",
+                () -> new IllegalArgumentException(
-                        id.key.toString())));
+                    String.format(
+                        "No Domain with uuid %s in the database.",
+                        id.key.toString()
+                    )
+                )
+            );
     }
 
     @Override
-    public ObjectIdResolver newForDeserialization(Object o) {
+    public ObjectIdResolver newForDeserialization(final Object context) {
         return new DomainIdResolver();
     }
 
     @Override
-    public boolean canUseFor(ObjectIdResolver resolverType) {
+    public boolean canUseFor(final ObjectIdResolver resolverType) {
         return resolverType instanceof DomainIdResolver;
     }
+
 }

ccm-core/src/main/java/org/libreccm/core/CcmObjectIdResolver.java

@@ -26,32 +26,41 @@ import javax.enterprise.context.RequestScoped;
 import java.io.Serializable;
 
 /**
- * @author <a href="mailto:tosmers@uni-bremen.de>Tobias Osmers</a>
+ * Used to resolve {@link CcmObject}s based on their UUIDs when importing and
- * @version created on 3/23/17
+ * exporting them.
+ *
+ * @author <a href="mailto:tosmers@uni-bremen.de">Tobias Osmers</a>
+ * @author <a href="mailto:jens.pelzetter@googlemail.com">Jens Pelzetter</a>
  */
 @RequestScoped
 public class CcmObjectIdResolver implements Serializable, ObjectIdResolver {
-    private static final long serialVersionUID = 246452778202614974L;
+
+    private static final long serialVersionUID = 1L;
 
     @Override
-    public void bindItem(ObjectIdGenerator.IdKey idKey,
+    public void bindItem(
-                         Object pojo) {
+        final ObjectIdGenerator.IdKey idKey,
+        final Object object
+    ) {
         // According to the Jackson JavaDoc, this method can be used to keep
         // track of objects directly in a resolver implementation. We don't need
         // this here therefore this method is empty.
     }
 
     @Override
-    public Object resolveId(ObjectIdGenerator.IdKey id) {
+    public Object resolveId(final ObjectIdGenerator.IdKey id) {
-        final CdiUtil cdiUtil = CdiUtil.createCdiUtil();
+        return CdiUtil
-        final CcmObjectRepository ccmObjectRepository = cdiUtil
+            .createCdiUtil()
-                .findBean(CcmObjectRepository.class);
+            .findBean(CcmObjectRepository.class)
-
-        return ccmObjectRepository
             .findObjectByUuid(id.key.toString())
-                .orElseThrow(() -> new IllegalArgumentException(String
+            .orElseThrow(
-                        .format("No CcmObject with uuid %s in the database.",
+                () -> new IllegalArgumentException(
-                                id.key.toString())));
+                    String.format(
+                        "No CcmObject with uuid %s in the database.",
+                        id.key.toString()
+                    )
+                )
+            );
     }
 
     @Override
@@ -63,4 +72,5 @@ public class CcmObjectIdResolver implements Serializable, ObjectIdResolver {
     public boolean canUseFor(ObjectIdResolver resolverType) {
         return resolverType instanceof CcmObjectIdResolver;
     }
+
 }

ccm-core/src/main/java/org/libreccm/core/ResourceIdResolver.java

@@ -26,40 +26,52 @@ import javax.enterprise.context.RequestScoped;
 import java.io.Serializable;
 
 /**
- * @author <a href="mailto:tosmers@uni-bremen.de>Tobias Osmers<\a>
+ * Used to resolve {@link Resource}s based on their UUID when import or
- * @version created the 8/10/17
+ * exporting them.
+ *
+ * @author <a href="mailto:tosmers@uni-bremen.de">Tobias Osmers</a>
+ * @author <a href="mailto:jens.pelzetter@googlemail.com">Jens Pelzetter</a>
+ *
  */
 @RequestScoped
 public class ResourceIdResolver implements Serializable, ObjectIdResolver {
-    private static final long serialVersionUID = -402304483886269532L;
+
+    private static final long serialVersionUID = 1L;
 
     @Override
-    public void bindItem(ObjectIdGenerator.IdKey idKey, Object o) {
+    public void bindItem(
+        final ObjectIdGenerator.IdKey idKey,
+        final Object object
+    ) {
         // According to the Jackson JavaDoc, this method can be used to keep
         // track of objects directly in a resolver implementation. We don't need
         // this here therefore this method is empty.
     }
 
     @Override
-    public Object resolveId(ObjectIdGenerator.IdKey id) {
+    public Object resolveId(final ObjectIdGenerator.IdKey id) {
-        final CdiUtil cdiUtil = CdiUtil.createCdiUtil();
+        return CdiUtil
-        final ResourceRepository resourceRepository = cdiUtil
+            .createCdiUtil()
-                .findBean(ResourceRepository.class);
+            .findBean(ResourceRepository.class)
-
-        return resourceRepository
             .findByUuid(id.key.toString())
-                .orElseThrow(() -> new IllegalArgumentException(String
+            .orElseThrow(
-                        .format("No Resource with uuid %s in the database.",
+                () -> new IllegalArgumentException(
-                                id.key.toString())));
+                    String.format(
+                        "No Resource with uuid %s in the database.",
+                        id.key.toString()
+                    )
+                )
+            );
     }
 
     @Override
-    public ObjectIdResolver newForDeserialization(Object o) {
+    public ObjectIdResolver newForDeserialization(final Object context) {
         return new ResourceIdResolver();
     }
 
     @Override
-    public boolean canUseFor(ObjectIdResolver resolverType) {
+    public boolean canUseFor(final ObjectIdResolver resolverType) {
         return resolverType instanceof ResourceIdResolver;
     }
+
 }

ccm-core/src/main/java/org/libreccm/core/ResourceTypeIdResolver.java

@@ -26,41 +26,51 @@ import javax.enterprise.context.RequestScoped;
 import java.io.Serializable;
 
 /**
- * @author <a href="mailto:tosmers@uni-bremen.de>Tobias Osmers<\a>
+ * Used to resolve {@link ResourceType}s based in their UUID when importing or
- * @version created the 8/10/17
+ * exporting them.
+ *
+ * @author <a href="mailto:tosmers@uni-bremen.de">Tobias Osmers</a>
+ * @author <a href="mailto:jens.pelzetter@googlemail.com">Jens Pelzetter</a>
  */
 @RequestScoped
 public class ResourceTypeIdResolver implements Serializable, ObjectIdResolver {
-    private static final long serialVersionUID = -3756063950193704821L;
+
+    private static final long serialVersionUID = 1L;
 
     @Override
-    public void bindItem(ObjectIdGenerator.IdKey idKey, Object o) {
+    public void bindItem(
+        final ObjectIdGenerator.IdKey idKey,
+        final Object object
+    ) {
         // According to the Jackson JavaDoc, this method can be used to keep
         // track of objects directly in a resolver implementation. We don't need
         // this here therefore this method is empty.
     }
 
     @Override
-    public Object resolveId(ObjectIdGenerator.IdKey id) {
+    public Object resolveId(final ObjectIdGenerator.IdKey id) {
-        final CdiUtil cdiUtil = CdiUtil.createCdiUtil();
+        return CdiUtil
-        final ResourceTypeRepository resourceTypeRepository = cdiUtil
+            .createCdiUtil()
-                .findBean(ResourceTypeRepository.class);
+            .findBean(ResourceTypeRepository.class)
-
-        return resourceTypeRepository
             .findByUuid(id.key.toString())
-                .orElseThrow(() -> new IllegalArgumentException(String
+            .orElseThrow(
-                        .format("No ResourceType with uuid %s in the " +
+                () -> new IllegalArgumentException(
-                                        "database.", 
+                    String.format(
-                                id.key.toString())));
+                        "No ResourceType with uuid %s in the database.",
+                        id.key.toString()
+                    )
+                )
+            );
     }
 
     @Override
-    public ObjectIdResolver newForDeserialization(Object o) {
+    public ObjectIdResolver newForDeserialization(final Object context) {
         return new ResourceTypeIdResolver();
     }
 
     @Override
-    public boolean canUseFor(ObjectIdResolver resolverType) {
+    public boolean canUseFor(final ObjectIdResolver resolverType) {
         return resolverType instanceof ResourceTypeIdResolver;
     }
+
 }

ccm-core/src/main/java/org/libreccm/imexport/ImportExport.java

@@ -110,14 +110,19 @@ public class ImportExport {
      */
     @Transactional(Transactional.TxType.REQUIRED)
     public void exportEntities(
-        final Collection<Exportable> entities, final String exportName
+        final Collection<Exportable> entities,
+        final String exportName
     ) {
         final JsonObjectBuilder manifestBuilder = Json.createObjectBuilder();
-        manifestBuilder.add("created",
+        manifestBuilder.add(
-                            LocalDateTime.now(ZoneId.of("UTC")).toString());
+            "created",
+            LocalDateTime.now(ZoneId.of("UTC")).toString()
+        );
         try {
-            manifestBuilder.add("onServer",
+            manifestBuilder.add(
-                                InetAddress.getLocalHost().getHostName());
+                "onServer",
+                InetAddress.getLocalHost().getHostName()
+            );
         } catch (UnknownHostException ex) {
             throw new UnexpectedErrorException(ex);
         }
@@ -134,9 +139,13 @@ public class ImportExport {
             ccmFiles.createDirectory(String.format("exports/%s", exportName));
 
             for (final String type : types) {
-                ccmFiles.createDirectory(String.format("exports/%s/%s",
+                ccmFiles.createDirectory(
+                    String.format(
+                        "exports/%s/%s",
                         exportName,
-                                                       type));
+                        type
+                    )
+                );
                 typesArrayBuilder.add(type);
 
                 final List<Exportable> entitiesOfType = entities
@@ -149,8 +158,12 @@ public class ImportExport {
 
             manifestBuilder.add("types", typesArrayBuilder);
             final OutputStream manifestOutputStream = ccmFiles
-                .createOutputStream(String.format("exports/%s/ccm-export.json",
+                .createOutputStream(
-                                                  exportName));
+                    String.format(
+                        "exports/%s/ccm-export.json",
+                        exportName
+                    )
+                );
             try ( JsonWriter manifestWriter = Json.
                 createWriter(manifestOutputStream)) {
 
@@ -165,9 +178,11 @@ public class ImportExport {
 
         for (final Map.Entry<String, List<Exportable>> entry
                  : typeEntityMap.entrySet()) {
-            createExportedEntities(exportName,
+            createExportedEntities(
+                exportName,
                 entry.getKey(),
-                                   entry.getValue());
+                entry.getValue()
+            );
         }
     }
 
@@ -190,15 +205,15 @@ public class ImportExport {
 
         try {
             if (!ccmFiles.isDirectory(importsPath)) {
-
+                throw new IllegalArgumentException(
-                throw new IllegalArgumentException(String.format(
+                    String.format(
                         "No imports with name \"%s\" available.",
-                    importName));
+                        importName)
+                );
             }
         } catch (FileAccessException
                  | FileDoesNotExistException
                  | InsufficientPermissionsException ex) {
-
             throw new UnexpectedErrorException(ex);
         }
 
@@ -224,16 +239,21 @@ public class ImportExport {
             importers
                 .stream()
                 .map(EntityImExporterTreeNode::getEntityImExporter)
-                .forEach(imExporter -> importEntitiesOfType(importName,
+                .forEach(
-                                                            imExporter));
+                    imExporter -> importEntitiesOfType(
+                        importName,
+                        imExporter
+                    )
+                );
         } catch (DependencyException ex) {
             throw new UnexpectedErrorException(ex);
         }
     }
 
-    private boolean filterImporters(final ImportManifest manifest,
+    private boolean filterImporters(
-                                    final EntityImExporterTreeNode node) {
+        final ImportManifest manifest,
-
+        final EntityImExporterTreeNode node
+    ) {
         final AbstractEntityImExporter<?> imExporter = node
             .getEntityImExporter();
         final String type = imExporter.getEntityClass().getName();
@@ -243,53 +263,60 @@ public class ImportExport {
 
     private void importEntitiesOfType(
         final String importName,
-        final AbstractEntityImExporter<?> entityImExporter) {
+        final AbstractEntityImExporter<?> entityImExporter
-
+    ) {
         final String type = entityImExporter.getEntityClass().getName();
 
-        try (final InputStream tocInputStream = ccmFiles
+        final String tocPath = String.format(
-            .createInputStream(String.format("imports/%s/%s/%s.json",
+            "imports/%s/%s/%s.json",
             importName,
             type,
-                                             type))) {
+            type
-
+        );
+        try (final InputStream tocInputStream = ccmFiles.createInputStream(
+            tocPath
+        )) {
             final JsonReader tocReader = Json.createReader(tocInputStream);
             final JsonObject toc = tocReader.readObject();
             final JsonArray files = toc.getJsonArray("files");
 
-            files.forEach(value -> importEntity(importName,
+            files.forEach(
+                value -> importEntity(
+                    importName,
                     type,
                     ((JsonString) value).getString(),
-                                                entityImExporter));
+                    entityImExporter
-
+                )
+            );
         } catch (IOException
                  | FileDoesNotExistException
                  | FileAccessException
                  | InsufficientPermissionsException ex) {
-
             throw new UnexpectedErrorException(ex);
         }
     }
 
-    private void importEntity(final String importName,
+    private void importEntity(
+        final String importName,
         final String type,
         final String fileName,
-                              final AbstractEntityImExporter<?> imExporter) {
+        final AbstractEntityImExporter<?> imExporter
-
+    ) {
-        final String filePath = String.format("imports/%s/%s/%s",
+        final String filePath = String.format(
+            "imports/%s/%s/%s",
             importName,
             type,
-                                              fileName);
+            fileName
-        try (final InputStream inputStream
+        );
-            = ccmFiles.createInputStream(filePath)) {
+        try (final InputStream inputStream = ccmFiles.createInputStream(
-
+            filePath
+        )) {
             final String data = new BufferedReader(
                 new InputStreamReader(inputStream, StandardCharsets.UTF_8))
                 .lines()
                 .collect(Collectors.joining("\n"));
 
             imExporter.importEntity(data);
-
         } catch (IOException
                  | FileDoesNotExistException
                  | FileAccessException
@@ -301,14 +328,12 @@ public class ImportExport {
     }
 
     public List<ImportManifest> listAvailableImportArchivies() {
-
         final List<String> importArchivePaths;
         try {
             importArchivePaths = ccmFiles.listFiles("imports");
         } catch (FileAccessException
                  | FileDoesNotExistException
                  | InsufficientPermissionsException ex) {
-
             throw new UnexpectedErrorException(ex);
         }
 
@@ -337,14 +362,20 @@ public class ImportExport {
 
         final AbstractEntityImExporter<?> imExporter;
         if (instance.isUnsatisfied()) {
-            throw new UnexpectedErrorException(String.format(
+            throw new UnexpectedErrorException(
+                String.format(
                     "No EntityImExporter for entity type \"%s\" available.",
-                type));
+                    type
+                )
+            );
         } else if (instance.isAmbiguous()) {
-            throw new UnexpectedErrorException(String.format(
+            throw new UnexpectedErrorException(
+                String.format(
                     "Instance reference for EntityImExporter for entity "
                         + "type \"%s\" is ambiguous.",
-                type));
+                    type
+                )
+            );
         } else {
             imExporter = instance.get();
         }
@@ -354,11 +385,14 @@ public class ImportExport {
             final String filename = String.format("%s.json", entity.getUuid());
             final OutputStream outputStream;
             try {
-                outputStream = ccmFiles.createOutputStream(String.format(
+                outputStream = ccmFiles.createOutputStream(
+                    String.format(
                         "exports/%s/%s/%s",
                         exportName,
                         type,
-                    filename));
+                        filename
+                    )
+                );
                 filesArrayBuilder.add(filename);
             } catch (FileAccessException
                      | InsufficientPermissionsException ex) {
@@ -372,10 +406,10 @@ public class ImportExport {
                 throw new UnexpectedErrorException(ex);
             }
             try (final OutputStreamWriter writer = new OutputStreamWriter(
-                outputStream, StandardCharsets.UTF_8)) {
+                outputStream,
-
+                StandardCharsets.UTF_8
+            )) {
                 writer.write(exportedEntity);
-
             } catch (IOException ex) {
                 throw new UnexpectedErrorException(ex);
             }
@@ -385,15 +419,15 @@ public class ImportExport {
     }
 
     private boolean isImportArchive(final String path) {
-
+        final String manifestPath = String.format(
-        final String manifestPath = String.format("imports/%s/ccm-export.json",
+            "imports/%s/ccm-export.json",
-                                                  path);
+            path
+        );
 
         final boolean result;
         try {
             result = ccmFiles.existsFile(manifestPath);
         } catch (FileAccessException | InsufficientPermissionsException ex) {
-
             throw new UnexpectedErrorException(ex);
         }
 
@@ -401,7 +435,6 @@ public class ImportExport {
     }
 
     private ImportManifest createImportManifest(final String path) {
-
         final String manifestPath = String.format(
             "imports/%s/ccm-export.json", path
         );
@@ -465,7 +498,6 @@ public class ImportExport {
                  | FileAccessException
                  | FileDoesNotExistException
                  | InsufficientPermissionsException ex) {
-
             throw new UnexpectedErrorException(ex);
         }
     }
@@ -484,7 +516,6 @@ public class ImportExport {
 
         @Override
         public Class<? extends Exportable> value() {
-
             return value;
         }
 

ccm-core/src/main/java/org/libreccm/security/GroupIdResolver.java

@@ -26,16 +26,21 @@ import javax.enterprise.context.RequestScoped;
 import java.io.Serializable;
 
 /**
+ * Used to resolve {@link Group}s when importing or exporting them.
+ *
  * @author <a href="mailto:tosmers@uni-bremen.de">Tobias Osmers</a>
- * @version created on 3/23/17
+ * @author <a href="mailto:jens.pelzetter@googlemail.com">Jens Pelzetter</a>
  */
 @RequestScoped
 public class GroupIdResolver implements Serializable, ObjectIdResolver {
-    private static final long serialVersionUID = 3700628942920771114L;
+
+    private static final long serialVersionUID = 1L;
 
     @Override
-    public void bindItem(final ObjectIdGenerator.IdKey id,
+    public void bindItem(
-                         final Object pojo) {
+        final ObjectIdGenerator.IdKey id,
+        final Object object
+    ) {
         // According to the Jackson JavaDoc, this method can be used to keep
         // track of objects directly in a resolver implementation. We don't need
         // this here therefore this method is empty.
@@ -43,16 +48,18 @@ public class GroupIdResolver implements Serializable, ObjectIdResolver {
 
     @Override
     public Object resolveId(final ObjectIdGenerator.IdKey id) {
-        
+        return CdiUtil
-        final CdiUtil cdiUtil = CdiUtil.createCdiUtil();
+            .createCdiUtil()
-        final GroupRepository groupRepo = cdiUtil
+            .findBean(GroupRepository.class)
-                .findBean(GroupRepository.class);
-
-        return groupRepo
             .findByUuid(id.key.toString())
-                .orElseThrow(() -> new IllegalArgumentException(String
+            .orElseThrow(
-                .format("No Group with uuid %s in the database.",
+                () -> new IllegalArgumentException(
-                        id.key.toString())));
+                    String.format(
+                        "No Group with uuid %s in the database.",
+                        id.key.toString()
+                    )
+                )
+            );
     }
 
     @Override
@@ -64,4 +71,5 @@ public class GroupIdResolver implements Serializable, ObjectIdResolver {
     public boolean canUseFor(final ObjectIdResolver objectIdResolver) {
         return objectIdResolver instanceof GroupIdResolver;
     }
+
 }

ccm-core/src/main/java/org/libreccm/security/PartyIdResolver.java

@@ -26,17 +26,21 @@ import javax.enterprise.context.RequestScoped;
 import java.io.Serializable;
 
 /**
+ * Used to resolve {@link Party} entities when import or exporting them.
+ *
  * @author <a href="mailto:tosmers@uni-bremen.de">Tobias Osmers</a>
  * @version created on 3/23/17
  */
-@Deprecated
 @RequestScoped
 public class PartyIdResolver implements Serializable, ObjectIdResolver {
-    private static final long serialVersionUID = -1208121020457080214L;
+
+    private static final long serialVersionUID = 1L;
 
     @Override
-    public void bindItem(final ObjectIdGenerator.IdKey id,
+    public void bindItem(
-                         final Object pojo) {
+        final ObjectIdGenerator.IdKey id,
+        final Object object
+    ) {
         // According to the Jackson JavaDoc, this method can be used to keep
         // track of objects directly in a resolver implementation. We don't need
         // this here therefore this method is empty.
@@ -44,16 +48,18 @@ public class PartyIdResolver implements Serializable, ObjectIdResolver {
 
     @Override
     public Object resolveId(final ObjectIdGenerator.IdKey id) {
-        
+        return CdiUtil
-        final CdiUtil cdiUtil = CdiUtil.createCdiUtil();
+            .createCdiUtil()
-        final PartyRepository partyRepository = cdiUtil
+            .findBean(PartyRepository.class)
-                .findBean(PartyRepository.class);
-
-        return partyRepository
             .findByUuid(id.key.toString())
-                .orElseThrow(() -> new IllegalArgumentException(String
+            .orElseThrow(
-                        .format("No Party with uuid %s in the database.",
+                () -> new IllegalArgumentException(
-                                id.key.toString())));
+                    String.format(
+                        "No Party with uuid %s in the database.",
+                        id.key.toString()
+                    )
+                )
+            );
     }
 
     @Override
@@ -65,4 +71,5 @@ public class PartyIdResolver implements Serializable, ObjectIdResolver {
     public boolean canUseFor(final ObjectIdResolver resolverType) {
         return resolverType instanceof PartyIdResolver;
     }
+
 }

ccm-core/src/main/java/org/libreccm/security/PermissionIdResolver.java

@@ -27,17 +27,22 @@ import javax.enterprise.context.RequestScoped;
 import java.io.Serializable;
 
 /**
+ * Used to resolve {@link Permission}s based on their UUID when importing or
+ * exporting them.
+ *
  * @author <a href="mailto:tosmers@uni-bremen.de">Tobias Osmers</a>
- * @version created on 3/23/17
+ * @author <a href="mailto:jens.pelzetter@googlemail.com">Jens Pelzetter</a>
  */
-@Deprecated
 @RequestScoped
 public class PermissionIdResolver implements Serializable, ObjectIdResolver {
-    private static final long serialVersionUID = -8397366681202009916L;
+
+    private static final long serialVersionUID = 1L;
 
     @Override
-    public void bindItem(final ObjectIdGenerator.IdKey id,
+    public void bindItem(
-                         final Object pojo) {
+        final ObjectIdGenerator.IdKey id,
+        final Object object
+    ) {
         // According to the Jackson JavaDoc, this method can be used to keep
         // track of objects directly in a resolver implementation. We don't need
         // this here therefore this method is empty.
@@ -45,16 +50,18 @@ public class PermissionIdResolver implements Serializable, ObjectIdResolver {
 
     @Override
     public Object resolveId(final ObjectIdGenerator.IdKey id) {
-        
+        return CdiUtil
-        final CdiUtil cdiUtil = CdiUtil.createCdiUtil();
+            .createCdiUtil()
-        final PermissionRepository permissionRepository = cdiUtil
+            .findBean(PermissionRepository.class)
-                .findBean(PermissionRepository.class);
-
-        return permissionRepository
             .findByUuid(id.key.toString())
-            .orElseThrow(() -> new IllegalArgumentException(String
+            .orElseThrow(
-                .format("No Permission with UUID %s in the database.",
+                () -> new IllegalArgumentException(
-                        id.key.toString())));
+                    String.format(
+                        "No Permission with UUID %s in the database.",
+                        id.key.toString()
+                    )
+                )
+            );
     }
 
     @Override
@@ -66,4 +73,5 @@ public class PermissionIdResolver implements Serializable, ObjectIdResolver {
     public boolean canUseFor(final ObjectIdResolver resolverType) {
         return resolverType instanceof PermissionIdResolver;
     }
+
 }

ccm-core/src/main/java/org/libreccm/security/RoleIdResolver.java

@@ -26,17 +26,21 @@ import javax.enterprise.context.RequestScoped;
 import java.io.Serializable;
 
 /**
+ * Used to resolve {@link Role}s based on their UUIDs for import and export.
+ *
  * @author <a href="mailto:tosmers@uni-bremen.de">Tobias Osmers</a>
- * @version created on 3/23/17
+ * @author <a href="mailto:jens.pelzetter@googlemail.com">Jens Pelzetter</a>
  */
-@Deprecated
 @RequestScoped
 public class RoleIdResolver implements Serializable, ObjectIdResolver {
-    private static final long serialVersionUID = -1651704701257277011L;
+
+    private static final long serialVersionUID = 1L;
 
     @Override
-    public void bindItem(final ObjectIdGenerator.IdKey id,
+    public void bindItem(
-                         final Object pojo) {
+        final ObjectIdGenerator.IdKey id,
+        final Object object
+    ) {
         // According to the Jackson JavaDoc, this method can be used to keep
         // track of objects directly in a resolver implementation. We don't need
         // this here therefore this method is empty.
@@ -44,15 +48,18 @@ public class RoleIdResolver implements Serializable, ObjectIdResolver {
 
     @Override
     public Object resolveId(final ObjectIdGenerator.IdKey id) {
-        final CdiUtil cdiUtil = CdiUtil.createCdiUtil();
+        return CdiUtil
-        final RoleRepository roleRepository = cdiUtil
+            .createCdiUtil()
-                .findBean(RoleRepository.class);
+            .findBean(RoleRepository.class)
-
-        return roleRepository
             .findByUuid(id.key.toString())
-                .orElseThrow(() -> new IllegalArgumentException(String
+            .orElseThrow(
-                .format("No Role with uuid %s in the database.",
+                () -> new IllegalArgumentException(
-                        id.key.toString())));
+                    String.format(
+                        "No Role with uuid %s in the database.",
+                        id.key.toString()
+                    )
+                )
+            );
     }
 
     @Override
@@ -64,4 +71,5 @@ public class RoleIdResolver implements Serializable, ObjectIdResolver {
     public boolean canUseFor(final ObjectIdResolver resolverType) {
         return resolverType instanceof RoleIdResolver;
     }
+
 }

ccm-core/src/main/java/org/libreccm/security/UserIdResolver.java

@@ -26,18 +26,21 @@ import javax.enterprise.context.RequestScoped;
 import java.io.Serializable;
 
 /**
+ * Used to resolve {@link User}s for import and export based on their UUIDs.
+ *
  * @author <a href="mailto:tosmers@uni-bremen.de">Tobias Osmers</a>
  * @author <a href="mailto:jens.pelzetter@googlemail.com">Jens Pelzetter</a>
  */
-@Deprecated
 @RequestScoped
 public class UserIdResolver implements Serializable, ObjectIdResolver {
 
-    private static final long serialVersionUID = -2541656707906049331L;
+    private static final long serialVersionUID = 1L;
 
     @Override
-    public void bindItem(final ObjectIdGenerator.IdKey id,
+    public void bindItem(
-                         final Object pojo) {
+        final ObjectIdGenerator.IdKey id,
+        final Object object
+    ) {
         // According to the Jackson JavaDoc, this method can be used to keep
         // track of objects directly in a resolver implementation. We don't need
         // this here therefore this method is empty.
@@ -45,16 +48,18 @@ public class UserIdResolver implements Serializable, ObjectIdResolver {
 
     @Override
     public Object resolveId(final ObjectIdGenerator.IdKey id) {
-        
+        return CdiUtil
-        final CdiUtil cdiUtil = CdiUtil.createCdiUtil();
+            .createCdiUtil()
-        final UserRepository userRepository = cdiUtil
+            .findBean(UserRepository.class)
-                .findBean(UserRepository.class);
-
-        return userRepository
             .findByUuid(id.key.toString())
-                .orElseThrow(() -> new IllegalArgumentException(String
+            .orElseThrow(
-                .format("No User with name %s in the database.",
+                () -> new IllegalArgumentException(
-                        id.key.toString())));
+                    String.format(
+                        "No User with name %s in the database.",
+                        id.key.toString()
+                    )
+                )
+            );
     }
 
     @Override
@@ -66,4 +71,5 @@ public class UserIdResolver implements Serializable, ObjectIdResolver {
     public boolean canUseFor(final ObjectIdResolver resolverType) {
         return resolverType instanceof UserIdResolver;
     }
+
 }

ccm-core/src/main/java/org/libreccm/web/ApplicationIdResolver.java

@@ -26,41 +26,48 @@ import javax.enterprise.context.RequestScoped;
 import java.io.Serializable;
 
 /**
- * @author <a href="mailto:tosmers@uni-bremen.de>Tobias Osmers<\a>
+ * @author <a href="mailto:tosmers@uni-bremen.de">Tobias Osmers</a>
- * @version created the 8/10/17
+ * @author <a href="mailto:jens.pelzetter@googlemail.com">Jens Pelzetter</a>
  */
-@Deprecated
 @RequestScoped
 public class ApplicationIdResolver implements Serializable, ObjectIdResolver {
-    private static final long serialVersionUID = 464933392877186401L;
+
+    private static final long serialVersionUID = 1L;
 
     @Override
-    public void bindItem(ObjectIdGenerator.IdKey idKey, Object o) {
+    public void bindItem(
+        final ObjectIdGenerator.IdKey idKey,
+        final Object object
+    ) {
         // According to the Jackson JavaDoc, this method can be used to keep
         // track of objects directly in a resolver implementation. We don't need
         // this here therefore this method is empty.
     }
 
     @Override
-    public Object resolveId(ObjectIdGenerator.IdKey id) {
+    public Object resolveId(final ObjectIdGenerator.IdKey id) {
-        final CdiUtil cdiUtil = CdiUtil.createCdiUtil();
+        return CdiUtil
-        final ApplicationRepository applicationRepository = cdiUtil
+            .createCdiUtil()
-                .findBean(ApplicationRepository.class);
+            .findBean(ApplicationRepository.class)
-
-        return applicationRepository
             .findByUuid(id.key.toString())
-                .orElseThrow(() -> new IllegalArgumentException(String
+            .orElseThrow(
-                        .format("No ccmApplications with uuid %s in the " +
+                () -> new IllegalArgumentException(
-                                "database.", id.key.toString())));
+                    String.format(
+                        "No ccmApplications with uuid %s in the database.",
+                        id.key.toString()
+                    )
+                )
+            );
     }
 
     @Override
-    public ObjectIdResolver newForDeserialization(Object o) {
+    public ObjectIdResolver newForDeserialization(final Object object) {
         return new ApplicationIdResolver();
     }
 
     @Override
-    public boolean canUseFor(ObjectIdResolver objectIdResolver) {
+    public boolean canUseFor(final ObjectIdResolver objectIdResolver) {
         return objectIdResolver instanceof ApplicationIdResolver;
     }
+
 }

ccm-core/src/main/java/org/libreccm/workflow/AssignableTaskIdResolver.java

@@ -26,19 +26,23 @@ import javax.enterprise.context.RequestScoped;
 import java.io.Serializable;
 
 /**
+ * Used to resolve {@link AssignableTask}s when import or exporting based on
+ * their UUIDs.
+ *
  * @author <a href="mailto:tosmers@uni-bremen.de">Tobias Osmers</a>
- * @version created on 3/23/17
+ * @author <a href="mailto:jens.pelzetter@googlemail.com">Jens Pelzetter</a>
  */
 @RequestScoped
-@Deprecated
 public class AssignableTaskIdResolver implements Serializable,
                                                  ObjectIdResolver {
 
-    private static final long serialVersionUID = -4634332219001315735L;
+    private static final long serialVersionUID = 1L;
 
     @Override
-    public void bindItem(final ObjectIdGenerator.IdKey id,
+    public void bindItem(
-                         final Object pojo) {
+        final ObjectIdGenerator.IdKey id,
+        final Object object
+    ) {
         // According to the Jackson JavaDoc, this method can be used to keep
         // track of objects directly in a resolver implementation. We don't need
         // this here therefore this method is empty.
@@ -46,15 +50,18 @@ public class AssignableTaskIdResolver implements Serializable,
 
     @Override
     public Object resolveId(final ObjectIdGenerator.IdKey id) {
-        final CdiUtil cdiUtil = CdiUtil.createCdiUtil();
+        return CdiUtil
-        final AssignableTaskRepository assignableTaskRepository = cdiUtil
+            .createCdiUtil()
-            .findBean(AssignableTaskRepository.class);
+            .findBean(AssignableTaskRepository.class)
-
-        return assignableTaskRepository
             .findByUuid(id.key.toString())
-            .orElseThrow(() -> new IllegalArgumentException(String
+            .orElseThrow(
-            .format("No assignable tasks with uuid %s in the " + "database.",
+                () -> new IllegalArgumentException(
-                    id.key.toString())));
+                    String.format(
+                        "No assignable tasks with uuid %s in the database.",
+                        id.key.toString()
+                    )
+                )
+            );
     }
 
     @Override

ccm-core/src/main/java/org/libreccm/workflow/TaskCommentIdResolver.java

@@ -25,41 +25,49 @@ import org.libreccm.cdi.utils.CdiUtil;
 import java.io.Serializable;
 
 /**
- * @author <a href="mailto:tosmers@uni-bremen.de>Tobias Osmers<\a>
+ * Used to resolve {@link TaskComment}s based on their UUIDs when exporting or
- * @version created the 9/27/17
+ * import them.
+ *
+ * @author <a href="mailto:tosmers@uni-bremen.de">Tobias Osmers</a>
+ * @author <a href="mailto:jens.pelzetter@googlemail.com">Jens Pelzetter</a>
  */
-@Deprecated
 public class TaskCommentIdResolver implements Serializable, ObjectIdResolver {
-    private static final long serialVersionUID = 1057961565308988397L;
+
+    private static final long serialVersionUID = 1L;
 
     @Override
-    public void bindItem(ObjectIdGenerator.IdKey id,
+    public void bindItem(
-                         Object pojo) {
+        final ObjectIdGenerator.IdKey id, final Object object
+    ) {
         // According to the Jackson JavaDoc, this method can be used to keep
         // track of objects directly in a resolver implementation. We don't need
         // this here therefore this method is empty.
     }
 
     @Override
-    public Object resolveId(ObjectIdGenerator.IdKey id) {
+    public Object resolveId(final ObjectIdGenerator.IdKey id) {
-        final CdiUtil cdiUtil = CdiUtil.createCdiUtil();
+        return CdiUtil
-        final TaskCommentRepository taskCommentRepository = cdiUtil
+            .createCdiUtil()
-                .findBean(TaskCommentRepository.class);
+            .findBean(TaskCommentRepository.class)
-
-        return taskCommentRepository
             .findByUuid(id.key.toString())
-                .orElseThrow(() -> new IllegalArgumentException(String
+            .orElseThrow(
-                        .format("No task comments with uuid %s in the " +
+                () -> new IllegalArgumentException(
-                                "database.", id.key.toString())));
+                    String.format(
+                        "No task comments with uuid %s in the database.",
+                        id.key.toString()
+                    )
+                )
+            );
     }
 
     @Override
-    public ObjectIdResolver newForDeserialization(Object context) {
+    public ObjectIdResolver newForDeserialization(final Object context) {
         return new TaskCommentIdResolver();
     }
 
     @Override
-    public boolean canUseFor(ObjectIdResolver resolverType) {
+    public boolean canUseFor(final ObjectIdResolver resolverType) {
         return resolverType instanceof TaskCommentIdResolver;
     }
+
 }

ccm-core/src/main/java/org/libreccm/workflow/TaskIdResolver.java

@@ -26,17 +26,21 @@ import javax.enterprise.context.RequestScoped;
 import java.io.Serializable;
 
 /**
+ * Used to resolve {@link Task}s based on the UUIDs for export or import.
+ *
  * @author <a href="mailto:tosmers@uni-bremen.de">Tobias Osmers</a>
- * @version created on 3/23/17
+ * @author <a href="mailto:jens.pelzetter@googlemail.com">Jens Pelzetter</a>
  */
-@Deprecated
 @RequestScoped
 public class TaskIdResolver implements Serializable, ObjectIdResolver {
-    private static final long serialVersionUID = 6444989953192198987L;
+
+    private static final long serialVersionUID = 1L;
 
     @Override
-    public void bindItem(final ObjectIdGenerator.IdKey id,
+    public void bindItem(
-                         final Object pojo) {
+        final ObjectIdGenerator.IdKey id,
+        final Object object
+    ) {
         // According to the Jackson JavaDoc, this method can be used to keep
         // track of objects directly in a resolver implementation. We don't need
         // this here therefore this method is empty.
@@ -44,15 +48,18 @@ public class TaskIdResolver implements Serializable, ObjectIdResolver {
 
     @Override
     public Object resolveId(final ObjectIdGenerator.IdKey id) {
-        final CdiUtil cdiUtil = CdiUtil.createCdiUtil();
+        return CdiUtil
-        final TaskRepository taskRepository = cdiUtil
+            .createCdiUtil()
-                .findBean(TaskRepository.class);
+            .findBean(TaskRepository.class)
-
-        return taskRepository
             .findByUuid(id.key.toString())
-                .orElseThrow(() -> new IllegalArgumentException(String
+            .orElseThrow(
-                        .format("No tasks with uuid %s in the " +
+                () -> new IllegalArgumentException(
-                                "database.", id.key.toString())));
+                    String.format(
+                        "No tasks with uuid %s in the database.",
+                        id.key.toString()
+                    )
+                )
+            );
     }
 
     @Override
@@ -64,4 +71,5 @@ public class TaskIdResolver implements Serializable, ObjectIdResolver {
     public boolean canUseFor(final ObjectIdResolver resolverType) {
         return resolverType instanceof TaskIdResolver;
     }
+
 }

ccm-core/src/main/java/org/libreccm/workflow/WorkflowIdResolver.java

@@ -26,20 +26,21 @@ import javax.enterprise.context.RequestScoped;
 import java.io.Serializable;
 
 /**
- * 
+ * Used to resolve {@link Workflow}s based on their UUIDs for import or export.
  *
  * @author <a href="mailto:tosmers@uni-bremen.de">Tobias Osmers</a>
- * @version created on 3/23/17
+ * @author <a href="mailto:jens.pelzetter@googlemail.com">Jens Pelzetter</a>
  */
-@Deprecated
 @RequestScoped
 public class WorkflowIdResolver implements Serializable, ObjectIdResolver {
 
-    private static final long serialVersionUID = 1951611806946125510L;
+    private static final long serialVersionUID = 1L;
 
     @Override
-    public void bindItem(final ObjectIdGenerator.IdKey id,
+    public void bindItem(
-                         final Object pojo) {
+        final ObjectIdGenerator.IdKey id,
+        final Object pojo
+    ) {
         // According to the Jackson JavaDoc, this method can be used to keep
         // track of objects directly in a resolver implementation. We don't need
         // this here therefore this method is empty.
@@ -48,15 +49,22 @@ public class WorkflowIdResolver implements Serializable, ObjectIdResolver {
     @Override
     public Object resolveId(final ObjectIdGenerator.IdKey id) {
         final CdiUtil cdiUtil = CdiUtil.createCdiUtil();
-        final WorkflowRepository workflowRepository = cdiUtil
+        final WorkflowRepository workflowRepository = cdiUtil.findBean(
-            .findBean(WorkflowRepository.class);
+            WorkflowRepository.class
+        );
 
-        return workflowRepository
+        return CdiUtil
+            .createCdiUtil()
+            .findBean(WorkflowRepository.class)
             .findByUuid(id.key.toString())
-            .orElseThrow(() -> new IllegalArgumentException(String
+            .orElseThrow(
-            .format("No workflows with uuid %s in the "
+                () -> new IllegalArgumentException(
-                        + "database.",
+                    String.format(
-                    id.key.toString())));
+                        "No workflows with uuid %s in the database.",
+                        id.key.toString()
+                    )
+                )
+            );
     }
 
     @Override