Fixed date format (JM-585).

git-svn-id: http://svn.igniterealtime.org/svn/repos/wildfire/trunk@3522 b35dd754-fafc-0310-a699-88a17e54d16e

src/java/org/jivesoftware/wildfire/handler/IQOfflineMessagesHandler.java

@@ -14,6 +14,7 @@ package org.jivesoftware.wildfire.handler;
 import org.dom4j.DocumentHelper;
 import org.dom4j.Element;
 import org.jivesoftware.util.Log;
+import org.jivesoftware.util.JiveConstants;
 import org.jivesoftware.wildfire.*;
 import org.jivesoftware.wildfire.auth.UnauthorizedException;
 import org.jivesoftware.wildfire.disco.*;
@@ -53,7 +54,7 @@ public class IQOfflineMessagesHandler extends IQHandler implements ServerFeature
     public IQOfflineMessagesHandler() {
         super("Flexible Offline Message Retrieval Handler");
         info = new IQHandlerInfo("offline", NAMESPACE);
-        dateFormat = new SimpleDateFormat("yyyy-MM-DD'T'HH:mm:ss.SSS'Z'");
+        dateFormat = new SimpleDateFormat(JiveConstants.XMPP_DATETIME_FORMAT);
         dateFormat.setTimeZone(TimeZone.getTimeZone("UTC"));
     }