[SYNCOPE-385] Checking null before further processing

git-svn-id: https://svn.apache.org/repos/asf/syncope/branches/1_1_X@1488862 13f79535-47bb-0310-9956-ffa450edef68
[SYNCOPE-385] Checking null before further processing

git-svn-id: https://svn.apache.org/repos/asf/syncope/trunk@1488863 13f79535-47bb-0310-9956-ffa450edef68