[Task 71441] added javadoc and minor cleanup

dspace-api/src/main/java/org/dspace/scripts/service/ProcessService.java

@@ -181,6 +181,12 @@ public void appendFile(Context context, Process process, InputStream is, String
      */
     int countTotal(Context context) throws SQLException;
 
+    /**
+     * This will return a list of Strings where each String represents the type of a Bitstream in the Process given
+     * @param context   The DSpace context
+     * @param process   The Process object that we'll use to find the bitstreams
+     * @return          A list of Strings where each String represents a fileType that is in the Process
+     */
     public List<String> getFileTypesForProcessBitstreams(Context context, Process process);
 
 }

dspace-server-webapp/src/main/java/org/dspace/app/rest/model/ProcessFileTypesRest.java

@@ -12,6 +12,10 @@
 
 import org.dspace.app.rest.RestResourceController;
 
+/**
+ * This class provides a way to list the filetypes present in a given Process by showing them as a list of Strings
+ * It'll be used by {@link org.dspace.app.rest.repository.ProcessFileTypesLinkRepository}
+ */
 public class ProcessFileTypesRest extends BaseObjectRest<String> {
 
     public static final String NAME = "filetypes";
@@ -36,6 +40,10 @@ public void setValues(List<String> values) {
         this.values = values;
     }
 
+    /**
+     * Adds a value to the list of FileType Strings
+     * @param value The value to be added
+     */
     public void addValue(String value) {
         if (values == null) {
             values = new LinkedList<>();

dspace-server-webapp/src/main/java/org/dspace/app/rest/model/hateoas/ProcessFileTypesResource.java

@@ -10,6 +10,9 @@
 import org.dspace.app.rest.model.ProcessFileTypesRest;
 import org.dspace.app.rest.model.hateoas.annotations.RelNameDSpaceResource;
 
+/**
+ * Resource object for {@link ProcessFileTypesRest}
+ */
 @RelNameDSpaceResource(ProcessFileTypesRest.NAME)
 public class ProcessFileTypesResource extends HALResource<ProcessFileTypesRest> {
 

dspace-server-webapp/src/main/java/org/dspace/app/rest/repository/ProcessFileTypesLinkRepository.java

@@ -25,15 +25,28 @@
 import org.springframework.security.access.prepost.PreAuthorize;
 import org.springframework.stereotype.Component;
 
+/**
+ * This LinkRepository will deal with calls to the /filetypes endpoint of a given Process.
+ * It'll retrieve all the bitstreams for the given Process and return a {@link ProcessFileTypesRest} object that holds
+ * a list of Strings where each String represents a unique fileType of the Bitstreams for that Process
+ */
 @Component(ProcessRest.CATEGORY + "." + ProcessRest.NAME + "." + ProcessRest.FILE_TYPES)
 public class ProcessFileTypesLinkRepository extends AbstractDSpaceRestRepository implements LinkRestRepository {
 
     @Autowired
     private ProcessService processService;
 
-    @Autowired
-    private ProcessRestRepository processRestRepository;
-
+    /**
+     * This will be the admin only endpoint that returns the {@link ProcessFileTypesRest} constructed with the values
+     * found in the Bitstreams of the Process with the given ProcessId
+     * @param request           The relevant request
+     * @param processId         The processId of the Process to be used
+     * @param optionalPageable  Paging if applicable
+     * @param projection        The current projection
+     * @return                  The {@link ProcessFileTypesRest} created from the Bitstreams of the given Process
+     * @throws SQLException         If something goes wrong
+     * @throws AuthorizeException   If something goes wrong
+     */
     @PreAuthorize("hasAuthority('ADMIN')")
     public ProcessFileTypesRest getFileTypesFromProcess(@Nullable HttpServletRequest request,
                                                         Integer processId,