[CST-7756] added missing JavaDoc

dspace-api/src/main/java/org/dspace/eperson/dao/SubscriptionDAO.java

@@ -85,7 +85,7 @@ public interface SubscriptionDAO extends GenericDAO<Subscription> {
      * Return a paginated list of all subscriptions ordered by ID and resourceType
      * 
      * @param context        DSpace context object
-     * @param resourceType   Could be Item, Collection or Community
+     * @param resourceType   Could be Collection or Community
      * @param limit          Paging limit
      * @param offset         The position of the first result to return
      * @return

dspace-api/src/main/java/org/dspace/eperson/service/SubscribeService.java

@@ -42,17 +42,22 @@ public interface SubscribeService {
             throws Exception;
 
     /**
-     * Subscribe an e-person to a collection. An e-mail will be sent every day a
-     * new item appears in the collection.
+     * Subscribe an EPerson to a dSpaceObject (Collection or Community). An e-mail will be sent every day a
+     * new item appears in the Collection or Community.
      * 
-     * @param context DSpace context
+     * @param context                 DSpace context object
+     * @param eperson                 EPerson to subscribe
+     * @param dSpaceObject            DSpaceObject to subscribe
+     * @param subscriptionParameters  list of @SubscriptionParameter
+     * @param subscriptionType        Currently supported only "content"
+     * @return
      * @throws SQLException           An exception that provides information on a database access error or other errors.
      * @throws AuthorizeException     Exception indicating the current user of the context does not have permission
      *                                to perform a particular action.
      */
     public Subscription subscribe(Context context, EPerson eperson, DSpaceObject dSpaceObject,
-                                  List<SubscriptionParameter> subscriptionParameterList,
-                                  String type) throws SQLException, AuthorizeException;
+                                  List<SubscriptionParameter> subscriptionParameters,
+                                  String subscriptionType) throws SQLException, AuthorizeException;
 
     /**
      * Unsubscribe an e-person to a collection. Passing in <code>null</code>

dspace-api/src/main/java/org/dspace/subscriptions/SubscriptionEmailNotificationConfiguration.java

@@ -42,8 +42,8 @@ public class SubscriptionEmailNotificationConfiguration<T
     public Options getOptions() {
         if (Objects.isNull(options)) {
             Options options = new Options();
-            options.addOption("f", "Frequency", true, "Subscription frequency."
-                            + " It can have value D stand for 'Day', W stand for 'Week' and M stand for 'Month'");
+            options.addOption("f", "Frequency", true,
+                              "Subscription frequency. Valid values include: D (Day), W (Week) and M (Month)");
             options.getOption("f").setRequired(true);
             super.options = options;
         }

dspace-api/src/main/java/org/dspace/subscriptions/SubscriptionEmailNotificationService.java

@@ -13,12 +13,25 @@ import org.dspace.core.Context;
 import org.dspace.scripts.handler.DSpaceRunnableHandler;
 
 /**
+ * Service interface class for the subscription e-mail notification services
+ *
  * @author Mykhaylo Boychuk (mykhaylo.boychuk@4science.com)
  */
 public interface SubscriptionEmailNotificationService {
 
-    public void perform(Context context, DSpaceRunnableHandler handler, String type, String frequency);
+    /**
+     * Performs sending of e-mails to subscribers by frequency value and SubscriptionType
+     * 
+     * @param context           DSpace context object
+     * @param handler           Applicable DSpaceRunnableHandler
+     * @param subscriptionType  Currently supported only "content"
+     * @param frequency         Valid values include: D (Day), W (Week) and M (Month)
+     */
+    public void perform(Context context, DSpaceRunnableHandler handler, String subscriptionType, String frequency);
 
+    /**
+     *  returns a set of supported SubscriptionTypes
+     */
     public Set<String> getSupportedSubscriptionTypes();
 
 }

dspace-server-webapp/src/main/java/org/dspace/app/rest/security/SubscriptionRestPermissionEvaluatorPlugin.java

@@ -32,7 +32,7 @@ import org.springframework.security.core.Authentication;
 import org.springframework.stereotype.Component;
 
 /**
- * {@link RestPermissionEvaluatorPlugin}
+ * {@link RestPermissionEvaluatorPlugin} class that evaluate READ, WRITE and DELETE permissions over a Subscription
  * 
  * @author Mykhaylo Boychuk (mykhaylo.boychuk at 4science.com)
  */
@@ -74,7 +74,7 @@ public class SubscriptionRestPermissionEvaluatorPlugin extends RestObjectPermiss
             }
 
             Subscription subscription = subscribeService.findById(context, Integer.parseInt(targetId.toString()));
-            return Objects.nonNull(subscription) ? currentUser.equals(subscription.getEPerson()) : true;
+            return Objects.nonNull(subscription) ? currentUser.equals(subscription.getEPerson()) : false;
         } catch (SQLException e) {
             log.error(e.getMessage(), e);
         }

dspace-server-webapp/src/test/java/org/dspace/app/rest/SubscriptionRestRepositoryIT.java

@@ -51,7 +51,6 @@ import org.springframework.http.MediaType;
  */
 public class SubscriptionRestRepositoryIT extends AbstractControllerIntegrationTest {
 
-
     private Collection collection;
 
     @Before