Updating code to use date object directly instead of parsing

Author: stian-sandvold

dhis-2/dhis-web-api/src/main/java/org/hisp/dhis/webapi/utils/ContextUtils.java

@@ -48,7 +48,6 @@
 import org.hisp.dhis.common.cache.CacheStrategy;
 import org.hisp.dhis.user.User;
 import org.hisp.dhis.user.UserDetails;
-import org.hisp.dhis.util.DateUtils;
 import org.hisp.dhis.webapi.service.WebCache;
 import org.springframework.http.CacheControl;
 import org.springframework.http.HttpHeaders;
@@ -318,8 +317,7 @@ public static String getEtag(Date lastModified, UserDetails user) {
       return null;
     }
 
-    String value =
-        String.format("%d-%s", lastModified.getTime(), user.getUid());
+    String value = String.format("%d-%s", lastModified.getTime(), user.getUid());
 
     return HashUtils.hashMD5(value.getBytes());
   }

dhis-2/dhis-web-api/src/test/java/org/hisp/dhis/webapi/utils/ContextUtilsTest.java

@@ -46,7 +46,7 @@ void testGetEtag() {
     user.setUid("kYt56BgfED2");
 
     assertEquals(
-        "ebcaa46bf9de4d04ea69cafcb3bd5caf", ContextUtils.getEtag(date, UserDetails.fromUser(user)));
+        "db5face9ed0cc9ffdd5e67e3c43a40aa", ContextUtils.getEtag(date, UserDetails.fromUser(user)));
   }
 
   @Test