Allow for null value setting on startDate and endDate for Memberships

Author: holmbergius

src/main/java/org/ecocean/servlet/MembershipCreate.java

@@ -102,14 +102,16 @@ public void doPost(HttpServletRequest request, HttpServletResponse response)
                     DateTime startDT = DateTime.parse(startDate, formatter);
                     System.out.println("StartDate parsed: " + startDT.toString());
                     Long startLong = startDT.getMillis();
-                    membership.setStartDate(startLong.longValue());
+                    membership.setStartDate(startLong);
                 }
+                else if(startDate == null) {membership.setStartDate(null);}
                 if (endDate != null && !"".equals(endDate)) {
                     DateTime endDT = DateTime.parse(endDate, formatter);
                     System.out.println("EndDate parsed: " + endDT.toString());
                     Long endLong = endDT.getMillis();
-                    membership.setEndDate(endLong.longValue());
+                    membership.setEndDate(endLong);
                 }
+                else if(endDate == null) {membership.setEndDate(null);}
                 if (roleName != null) {
                     if (roleName.trim().equals("")) {
                         membership.setRole(null);

src/main/java/org/ecocean/social/Membership.java

@@ -103,13 +103,15 @@ public void setRole(String role) {
             this.role = null;
         } else { this.role = role; }
     }
-
-    public void setStartDate(long startDate) {
-        this.startDate = startDate;
+    
+    public void setStartDate(Long startDate) {
+    	if(startDate==null) {this.startDate=null;}
+    	else{this.startDate = startDate;}
     }
 
-    public void setEndDate(long endDate) {
-        this.endDate = endDate;
+    public void setEndDate(Long endDate) {
+    	if(endDate==null) {this.endDate=null;}
+    	else{this.endDate = endDate;}
     }
 
     public String getId() {