RFC1123 http date formatter (2DIGIT day-of-month)

1 files changed, 15 insertions, 0 deletions

diff --git a/juick-common/src/main/java/com/juick/util/DateFormattersHolder.java b/juick-common/src/main/java/com/juick/util/DateFormattersHolder.java
index 09fd17d7..8292e68e 100644
--- a/juick-common/src/main/java/com/juick/util/DateFormattersHolder.java
+++ b/juick-common/src/main/java/com/juick/util/DateFormattersHolder.java
@@ -57,4 +57,19 @@ public class DateFormattersHolder {
         }
         return localInstance;
     }
+
+    private static volatile DateFormatter httpDateFormatter;
+
+    public static DateFormatter getHttpDateFormatter() {
+        DateFormatter localInstance = httpDateFormatter;
+        if (localInstance == null) {
+            synchronized (DateFormatter.class) {
+                localInstance = httpDateFormatter;
+                if (localInstance == null) {
+                    httpDateFormatter = localInstance = new DateFormatter("EEE, dd MMM yyyy HH:mm:ss O");
+                }
+            }
+        }
+        return localInstance;
+    }
 }