From: Benny Baumann <BenBE1987@gmx.net>
Date: Sun, 7 Aug 2016 00:45:20 +0000 (+0200)
Subject: fix: Implement both a null-pointer check and a hashCode function
X-Git-Url: https://code.wpia.club/?p=gigi.git;a=commitdiff_plain;h=439aa2ac4560405a9abdb61fc35a74ba7c6538be

fix: Implement both a null-pointer check and a hashCode function

Change-Id: If22bdba6fc796223f63cc0a3684ae49d51c96a13
---

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);
     }