X-Git-Url: https://code.wpia.club/?a=blobdiff_plain;f=src%2Forg%2Fcacert%2Fgigi%2Futil%2FDayDate.java;h=a38e318c98f183cd85e9399c0ee6ee5fe24b53f7;hb=c3feb67ae28e66765dfcd2e7d50ddbceb64d92db;hp=0b7ba383a7c9e30fbe73e8528090fc8cc84ee966;hpb=aa5723dbb64ec8efa63909d39ff72364f0a5ee96;p=gigi.git

diff --git a/src/org/cacert/gigi/util/DayDate.java b/src/org/cacert/gigi/util/DayDate.java
index 0b7ba383..a38e318c 100644
--- a/src/org/cacert/gigi/util/DayDate.java
+++ b/src/org/cacert/gigi/util/DayDate.java
@@ -58,12 +58,20 @@ public class DayDate {
 
     @Override
     public boolean equals(Object obj) {
+        if (null == obj) {
+            return false;
+        }
         if ( !(obj instanceof DayDate)) {
             throw new Error("You may not compare this date somthing other than a DayDate");
         }
         return ((DayDate) obj).time == time;
     }
 
+    @Override
+    public int hashCode() {
+        return Long.hashCode(time);
+    }
+
     public java.util.Date toDate() {
         return new java.util.Date(time);
     }