1 files changed, 75 insertions, 0 deletions
diff --git a/src/main/java/com/juick/util/DateFormattersHolder.java b/src/main/java/com/juick/util/DateFormattersHolder.java
new file mode 100644
index 00000000..8292e68e
--- /dev/null
+++ b/src/main/java/com/juick/util/DateFormattersHolder.java
@@ -0,0 +1,75 @@
+/*
+ * Copyright (C) 2008-2017, Juick
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Affero General Public License as
+ * published by the Free Software Foundation, either version 3 of the
+ * License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU Affero General Public License for more details.
+ *
+ * You should have received a copy of the GNU Affero General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+package com.juick.util;
+
+/**
+ * Created by aalexeev on 12/7/16.
+ */
+public class DateFormattersHolder {
+
+    private DateFormattersHolder() {
+        throw new IllegalStateException();
+    }
+
+    private static volatile DateFormatter messageFormatter;
+
+    public static DateFormatter getMessageFormatterInstance() {
+        DateFormatter localInstance = messageFormatter;
+
+        if (localInstance == null) {
+            synchronized (DateFormatter.class) {
+                localInstance = messageFormatter;
+
+                if (localInstance == null)
+                    messageFormatter = localInstance = new DateFormatter("yyyy-MM-dd HH:mm:ss");
+            }
+        }
+        return localInstance;
+    }
+
+    private static volatile DateFormatter rssFormatter;
+
+    public static DateFormatter getRssFormatterInstance() {
+        DateFormatter localInstance = rssFormatter;
+
+        if (localInstance == null) {
+            synchronized (DateFormatter.class) {
+                localInstance = rssFormatter;
+
+                if (localInstance == null)
+                    rssFormatter = localInstance = new DateFormatter("EEE, d MMM yyyy HH:mm:ss");
+            }
+        }
+        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;
+    }
+}