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The following commit(s) were added to refs/heads/master by this push:
     new 6c04a5d  [OPENMEETINGS-1856] some Sonar issues are addressed
6c04a5d is described below

commit 6c04a5dc5a12e0e36df3942b5ddaf8ed654b2d05
Author: Maxim Solodovnik <[email protected]>
AuthorDate: Fri Nov 2 14:01:55 2018 +0700

    [OPENMEETINGS-1856] some Sonar issues are addressed
---
 .../core/converter/DocumentConverter.java          |  7 ++---
 .../openmeetings/core/ldap/LdapLoginManager.java   |  7 ++---
 .../org/apache/openmeetings/core/remote/KRoom.java |  3 ++-
 .../apache/openmeetings/core/remote/KStream.java   |  6 +++--
 .../openmeetings/core/remote/KTestStream.java      |  5 ++--
 .../openmeetings/core/remote/KurentoHandler.java   | 31 ++++++++++++----------
 .../db/dao/calendar/AppointmentDao.java            | 16 ++++++-----
 .../openmeetings/db/dao/file/FileItemLogDao.java   |  7 ++---
 .../db/dao/record/RecordingChunkDao.java           |  7 ++---
 .../apache/openmeetings/db/dao/room/PollDao.java   | 11 ++++----
 .../openmeetings/db/dao/user/GroupUserDao.java     |  7 ++---
 .../db/dao/user/PrivateMessageDao.java             |  7 ++---
 .../openmeetings/db/dao/user/UserContactDao.java   |  7 ++---
 .../apache/openmeetings/db/dao/user/UserDao.java   |  7 ++---
 .../java/org/apache/openmeetings/cli/Admin.java    | 26 ++++++++++--------
 .../org/apache/openmeetings/screenshare/Core.java  | 16 ++++++-----
 .../service/quartz/scheduler/AtomReader.java       | 14 +++++-----
 .../apache/openmeetings/util/CalendarPatterns.java |  9 +++----
 .../openmeetings/web/app/QuickPollManager.java     |  3 ++-
 .../openmeetings/web/pages/auth/SignInDialog.java  | 15 +++++------
 .../org/apache/openmeetings/web/room/raw-video.js  |  2 +-
 .../apache/openmeetings/web/room/wb/WbPanel.java   |  7 ++---
 .../openmeetings/web/room/wb/raw-wb-board.js       |  2 +-
 .../web/user/calendar/CalendarDialog.java          |  5 ++--
 .../web/user/profile/MessagesContactsPanel.java    |  5 ++--
 .../web/user/profile/UserSearchPanel.java          | 16 +++++------
 .../web/user/rooms/RoomsSelectorPanel.java         |  7 ++---
 .../org/apache/openmeetings/web/TestCalendar.java  |  4 ---
 .../openmeetings/web/pages/TestHashPage.java       | 10 +++++--
 29 files changed, 147 insertions(+), 122 deletions(-)

diff --git 
a/openmeetings-core/src/main/java/org/apache/openmeetings/core/converter/DocumentConverter.java
 
b/openmeetings-core/src/main/java/org/apache/openmeetings/core/converter/DocumentConverter.java
index 1676b0d..5b017ed 100644
--- 
a/openmeetings-core/src/main/java/org/apache/openmeetings/core/converter/DocumentConverter.java
+++ 
b/openmeetings-core/src/main/java/org/apache/openmeetings/core/converter/DocumentConverter.java
@@ -42,6 +42,7 @@ import org.springframework.stereotype.Component;
 @Component
 public class DocumentConverter {
        private static final Logger log = 
LoggerFactory.getLogger(DocumentConverter.class);
+       private static final String JOD_JOD_NAME = "doJodConvert";
 
        @Autowired
        protected ConfigurationDao cfgDao;
@@ -102,10 +103,10 @@ public class DocumentConverter {
                                                converter.convert(in, out);
                                        });
                } catch (Exception ex) {
-                       log.error("doJodConvert", ex);
-                       return new ProcessResult("doJodConvert", 
ex.getMessage(), ex);
+                       log.error(JOD_JOD_NAME, ex);
+                       return new ProcessResult(JOD_JOD_NAME, ex.getMessage(), 
ex);
                }
-               return new ProcessResult("doJodConvert", "Document converted 
successfully", null)
+               return new ProcessResult(JOD_JOD_NAME, "Document converted 
successfully", null)
                                .setExitCode(0);
        }
 }
diff --git 
a/openmeetings-core/src/main/java/org/apache/openmeetings/core/ldap/LdapLoginManager.java
 
b/openmeetings-core/src/main/java/org/apache/openmeetings/core/ldap/LdapLoginManager.java
index 962361c..d028127 100644
--- 
a/openmeetings-core/src/main/java/org/apache/openmeetings/core/ldap/LdapLoginManager.java
+++ 
b/openmeetings-core/src/main/java/org/apache/openmeetings/core/ldap/LdapLoginManager.java
@@ -76,6 +76,7 @@ import org.springframework.stereotype.Component;
 @Component
 public class LdapLoginManager {
        private static final Logger log = 
LoggerFactory.getLogger(LdapLoginManager.class);
+       private static final String WARN_REFERRAL = "Referral LDAP entry found, 
ignore it";
        // LDAP custom attribute mapping keys
        private static final String CONFIGKEY_LDAP_KEY_LOGIN = 
"ldap_user_attr_login";
        private static final String CONFIGKEY_LDAP_KEY_LASTNAME = 
"ldap_user_attr_lastname";
@@ -260,7 +261,7 @@ public class LdapLoginManager {
                                                entry = e;
                                        }
                                } catch (CursorLdapReferralException cle) {
-                                       log.warn("Referral LDAP entry found, 
ignore it");
+                                       log.warn(WARN_REFERRAL);
                                }
                        }
                }
@@ -311,7 +312,7 @@ public class LdapLoginManager {
                                        log.info("User {}, was imported", u);
                                }
                        } catch (CursorLdapReferralException cle) {
-                               log.warn("Referral LDAP entry found, ignore 
it");
+                               log.warn(WARN_REFERRAL);
                        }
                }
        }
@@ -430,7 +431,7 @@ public class LdapLoginManager {
                                                Entry e = cursor.get();
                                                groups.add(e.getDn());
                                        } catch (CursorLdapReferralException 
cle) {
-                                               log.warn("Referral LDAP entry 
found, ignore it");
+                                               log.warn(WARN_REFERRAL);
                                        }
                                }
                        }
diff --git 
a/openmeetings-core/src/main/java/org/apache/openmeetings/core/remote/KRoom.java
 
b/openmeetings-core/src/main/java/org/apache/openmeetings/core/remote/KRoom.java
index 9fd35d7..70c1da5 100644
--- 
a/openmeetings-core/src/main/java/org/apache/openmeetings/core/remote/KRoom.java
+++ 
b/openmeetings-core/src/main/java/org/apache/openmeetings/core/remote/KRoom.java
@@ -22,6 +22,7 @@
 package org.apache.openmeetings.core.remote;
 
 import static java.util.UUID.randomUUID;
+import static org.apache.openmeetings.core.remote.KurentoHandler.PARAM_ICE;
 import static org.apache.openmeetings.core.remote.KurentoHandler.newKurentoMsg;
 
 import java.util.Collection;
@@ -188,7 +189,7 @@ public class KRoom {
                                        .put("stream", sd.toJson()
                                                        .put("shareType", 
msg.getString("shareType"))
                                                        .put("fps", 
msg.getString("fps")))
-                                       .put("iceServers", h.getTurnServers()));
+                                       .put(PARAM_ICE, h.getTurnServers()));
                }
        }
 
diff --git 
a/openmeetings-core/src/main/java/org/apache/openmeetings/core/remote/KStream.java
 
b/openmeetings-core/src/main/java/org/apache/openmeetings/core/remote/KStream.java
index a3228fb..99a9807 100644
--- 
a/openmeetings-core/src/main/java/org/apache/openmeetings/core/remote/KStream.java
+++ 
b/openmeetings-core/src/main/java/org/apache/openmeetings/core/remote/KStream.java
@@ -22,6 +22,8 @@
 package org.apache.openmeetings.core.remote;
 
 import static java.util.UUID.randomUUID;
+import static 
org.apache.openmeetings.core.remote.KurentoHandler.PARAM_CANDIDATE;
+import static org.apache.openmeetings.core.remote.KurentoHandler.PARAM_ICE;
 import static org.apache.openmeetings.core.remote.KurentoHandler.newKurentoMsg;
 import static org.apache.openmeetings.util.OmFileHelper.getRecUri;
 import static org.apache.openmeetings.util.OmFileHelper.getRecordingChunk;
@@ -137,7 +139,7 @@ public class KStream implements IKStream {
                WebSocketHelper.sendRoom(new TextRoomMessage(c.getRoomId(), c, 
RoomMessage.Type.rightUpdated, c.getUid()));
                WebSocketHelper.sendRoomOthers(room.roomId, c.getUid(), 
newKurentoMsg()
                                .put("id", "newStream")
-                               .put("iceServers", h.getTurnServers())
+                               .put(PARAM_ICE, h.getTurnServers())
                                .put("stream", sd.toJson()));
                return this;
        }
@@ -207,7 +209,7 @@ public class KStream implements IKStream {
                endpoint.addIceCandidateFoundListener(evt -> h.sendClient(sid, 
newKurentoMsg()
                                                .put("id", "iceCandidate")
                                                .put("uid", KStream.this.uid)
-                                               .put("candidate", 
convert(JsonUtils.toJsonObject(evt.getCandidate()))))
+                                               .put(PARAM_CANDIDATE, 
convert(JsonUtils.toJsonObject(evt.getCandidate()))))
                                );
                return endpoint;
        }
diff --git 
a/openmeetings-core/src/main/java/org/apache/openmeetings/core/remote/KTestStream.java
 
b/openmeetings-core/src/main/java/org/apache/openmeetings/core/remote/KTestStream.java
index eee4184..b6a9b0a 100644
--- 
a/openmeetings-core/src/main/java/org/apache/openmeetings/core/remote/KTestStream.java
+++ 
b/openmeetings-core/src/main/java/org/apache/openmeetings/core/remote/KTestStream.java
@@ -19,6 +19,7 @@
 package org.apache.openmeetings.core.remote;
 
 import static java.util.UUID.randomUUID;
+import static 
org.apache.openmeetings.core.remote.KurentoHandler.PARAM_CANDIDATE;
 import static 
org.apache.openmeetings.core.remote.KurentoHandler.newTestKurentoMsg;
 import static org.apache.openmeetings.core.remote.KurentoHandler.sendError;
 import static org.apache.openmeetings.util.OmFileHelper.EXTENSION_WEBM;
@@ -165,8 +166,8 @@ public class KTestStream implements IKStream {
                                IceCandidate cand = evt.getCandidate();
                                WebSocketHelper.sendClient(_c, 
newTestKurentoMsg()
                                                .put("id", "iceCandidate")
-                                               .put("candidate", new 
JSONObject()
-                                                               
.put("candidate", cand.getCandidate())
+                                               .put(PARAM_CANDIDATE, new 
JSONObject()
+                                                               
.put(PARAM_CANDIDATE, cand.getCandidate())
                                                                .put("sdpMid", 
cand.getSdpMid())
                                                                
.put("sdpMLineIndex", cand.getSdpMLineIndex())));
                        });
diff --git 
a/openmeetings-core/src/main/java/org/apache/openmeetings/core/remote/KurentoHandler.java
 
b/openmeetings-core/src/main/java/org/apache/openmeetings/core/remote/KurentoHandler.java
index e1f8e40..1fd218f 100644
--- 
a/openmeetings-core/src/main/java/org/apache/openmeetings/core/remote/KurentoHandler.java
+++ 
b/openmeetings-core/src/main/java/org/apache/openmeetings/core/remote/KurentoHandler.java
@@ -79,6 +79,9 @@ import com.github.openjson.JSONObject;
 
 public class KurentoHandler {
        private static final Logger log = 
LoggerFactory.getLogger(KurentoHandler.class);
+       public static final String PARAM_ICE = "iceServers";
+       public static final String PARAM_CANDIDATE = "candidate";
+       private static final String WARN_NO_KURENTO = "Media Server is not 
accessible";
        private static final String MODE_TEST = "test";
        private static final String TAG_KUID = "kuid";
        private static final String TAG_MODE = "mode";
@@ -178,7 +181,7 @@ public class KurentoHandler {
                                case "wannaRecord":
                                        WebSocketHelper.sendClient(_c, 
newTestKurentoMsg()
                                                        .put("id", "canRecord")
-                                                       .put("iceServers", 
getTurnServers(true))
+                                                       .put(PARAM_ICE, 
getTurnServers(true))
                                                        );
                                        break;
                                case "record":
@@ -186,9 +189,9 @@ public class KurentoHandler {
                                        testsByUid.put(_c.getUid(), user);
                                        break;
                                case "iceCandidate":
-                                       JSONObject candidate = 
msg.getJSONObject("candidate");
+                                       JSONObject candidate = 
msg.getJSONObject(PARAM_CANDIDATE);
                                        if (user != null) {
-                                               IceCandidate cand = new 
IceCandidate(candidate.getString("candidate"),
+                                               IceCandidate cand = new 
IceCandidate(candidate.getString(PARAM_CANDIDATE),
                                                                
candidate.getString("sdpMid"), candidate.getInt("sdpMLineIndex"));
                                                user.addCandidate(cand);
                                        }
@@ -196,7 +199,7 @@ public class KurentoHandler {
                                case "wannaPlay":
                                        WebSocketHelper.sendClient(_c, 
newTestKurentoMsg()
                                                        .put("id", "canPlay")
-                                                       .put("iceServers", 
getTurnServers(true))
+                                                       .put(PARAM_ICE, 
getTurnServers(true))
                                                        );
                                        break;
                                case "play":
@@ -242,9 +245,9 @@ public class KurentoHandler {
                                case "onIceCandidate":
                                        sender = getByUid(uid);
                                        if (sender != null) {
-                                               JSONObject candidate = 
msg.getJSONObject("candidate");
+                                               JSONObject candidate = 
msg.getJSONObject(PARAM_CANDIDATE);
                                                IceCandidate cand = new 
IceCandidate(
-                                                               
candidate.getString("candidate")
+                                                               
candidate.getString(PARAM_CANDIDATE)
                                                                , 
candidate.getString("sdpMid")
                                                                , 
candidate.getInt("sdpMLineIndex"));
                                                sender.addCandidate(cand, 
msg.getString("luid"));
@@ -278,7 +281,7 @@ public class KurentoHandler {
 
        private void checkStreams(Long roomId) {
                if (client == null) {
-                       log.warn("Media Server is not accessible");
+                       log.warn(WARN_NO_KURENTO);
                        return;
                }
                KRoom room = getRoom(roomId);
@@ -350,7 +353,7 @@ public class KurentoHandler {
                                sendClient(sd.getSid(), newKurentoMsg()
                                                .put("id", "broadcast")
                                                .put("stream", sd.toJson())
-                                               .put("iceServers", 
getTurnServers(false)));
+                                               .put(PARAM_ICE, 
getTurnServers(false)));
                                //FIXME TODO update interview buttons
                        } else {
                                //constraints were changed
@@ -368,7 +371,7 @@ public class KurentoHandler {
 
        public void startRecording(Client c) {
                if (client == null) {
-                       log.warn("Media Server is not accessible");
+                       log.warn(WARN_NO_KURENTO);
                        return;
                }
                getRoom(c.getRoomId()).startRecording(c, recDao);
@@ -376,7 +379,7 @@ public class KurentoHandler {
 
        public void stopRecording(Client c) {
                if (client == null) {
-                       log.warn("Media Server is not accessible");
+                       log.warn(WARN_NO_KURENTO);
                        return;
                }
                getRoom(c.getRoomId()).stopRecording(this, c, recDao);
@@ -389,7 +392,7 @@ public class KurentoHandler {
 
        public boolean isRecording(Long roomId) {
                if (client == null) {
-                       log.warn("Media Server is not accessible");
+                       log.warn(WARN_NO_KURENTO);
                        return false;
                }
                return getRoom(roomId).isRecording();
@@ -397,7 +400,7 @@ public class KurentoHandler {
 
        public JSONObject getRecordingUser(Long roomId) {
                if (client == null) {
-                       log.warn("Media Server is not accessible");
+                       log.warn(WARN_NO_KURENTO);
                        return new JSONObject();
                }
                return getRoom(roomId).getRecordingUser();
@@ -405,7 +408,7 @@ public class KurentoHandler {
 
        public boolean screenShareAllowed(Client c) {
                if (client == null) {
-                       log.warn("Media Server is not accessible");
+                       log.warn(WARN_NO_KURENTO);
                        return false;
                }
                Room r = c.getRoom();
@@ -438,7 +441,7 @@ public class KurentoHandler {
 
        public boolean isSharing(Long roomId) {
                if (client == null) {
-                       log.warn("Media Server is not accessible");
+                       log.warn(WARN_NO_KURENTO);
                        return false;
                }
                return getRoom(roomId).isSharing();
diff --git 
a/openmeetings-db/src/main/java/org/apache/openmeetings/db/dao/calendar/AppointmentDao.java
 
b/openmeetings-db/src/main/java/org/apache/openmeetings/db/dao/calendar/AppointmentDao.java
index fea70b1..33c707e 100644
--- 
a/openmeetings-db/src/main/java/org/apache/openmeetings/db/dao/calendar/AppointmentDao.java
+++ 
b/openmeetings-db/src/main/java/org/apache/openmeetings/db/dao/calendar/AppointmentDao.java
@@ -51,6 +51,8 @@ import 
org.springframework.transaction.annotation.Transactional;
 @Transactional
 public class AppointmentDao {
        private static final Logger log = 
LoggerFactory.getLogger(AppointmentDao.class);
+       private static final String PARAM_START = "start";
+       private static final String PARAM_CALID = "calId";
        @PersistenceContext
        private EntityManager em;
        @Autowired
@@ -157,13 +159,13 @@ public class AppointmentDao {
                log.debug("Start " + start + " End " + end);
 
                TypedQuery<Appointment> query = 
em.createNamedQuery("appointmentsInRange", Appointment.class);
-               query.setParameter("start", start);
+               query.setParameter(PARAM_START, start);
                query.setParameter("end", end);
                query.setParameter(PARAM_USER_ID, userId);
 
                List<Appointment> listAppoints = new 
ArrayList<>(query.getResultList());
                TypedQuery<Appointment> q1 = 
em.createNamedQuery("joinedAppointmentsInRange", Appointment.class);
-               q1.setParameter("start", start);
+               q1.setParameter(PARAM_START, start);
                q1.setParameter("end", end);
                q1.setParameter(PARAM_USER_ID, userId);
                for (Appointment a : q1.getResultList()) {
@@ -177,7 +179,7 @@ public class AppointmentDao {
        public List<Appointment> getInRange(Calendar start, Calendar end) {
                TypedQuery<Appointment> q = 
em.createNamedQuery("appointmentsInRangeRemind", Appointment.class);
                q.setParameter("none", Reminder.none);
-               q.setParameter("start", start.getTime());
+               q.setParameter(PARAM_START, start.getTime());
                q.setParameter("end", end.getTime());
                return q.getResultList();
        }
@@ -185,7 +187,7 @@ public class AppointmentDao {
        // next appointment to select date
        public Appointment getNext(Long userId, Date start) {
                List<Appointment> list = 
em.createNamedQuery("getNextAppointment", Appointment.class)
-                               .setParameter("start", 
start).setParameter(PARAM_USER_ID, userId).getResultList();
+                               .setParameter(PARAM_START, 
start).setParameter(PARAM_USER_ID, userId).getResultList();
                return list == null || list.isEmpty() ? null : list.get(0);
        }
 
@@ -232,7 +234,7 @@ public class AppointmentDao {
         */
        public List<String> getHrefsbyCalendar(Long calId) {
                return em.createNamedQuery("getHrefsforAppointmentsinCalendar", 
String.class)
-                               .setParameter("calId", calId)
+                               .setParameter(PARAM_CALID, calId)
                                .getResultList();
        }
 
@@ -244,7 +246,7 @@ public class AppointmentDao {
         */
        public List<Appointment> getbyCalendar(Long calId) {
                return em.createNamedQuery("getAppointmentsbyCalendar", 
Appointment.class)
-                               .setParameter("calId", calId)
+                               .setParameter(PARAM_CALID, calId)
                                .getResultList();
        }
 
@@ -263,7 +265,7 @@ public class AppointmentDao {
         */
        public int deletebyCalendar(Long calId) {
                return em.createNamedQuery("deleteAppointmentsbyCalendar", 
Appointment.class)
-                               .setParameter("calId", calId)
+                               .setParameter(PARAM_CALID, calId)
                                .executeUpdate();
        }
 }
diff --git 
a/openmeetings-db/src/main/java/org/apache/openmeetings/db/dao/file/FileItemLogDao.java
 
b/openmeetings-db/src/main/java/org/apache/openmeetings/db/dao/file/FileItemLogDao.java
index b90b29b..1bccb9c 100644
--- 
a/openmeetings-db/src/main/java/org/apache/openmeetings/db/dao/file/FileItemLogDao.java
+++ 
b/openmeetings-db/src/main/java/org/apache/openmeetings/db/dao/file/FileItemLogDao.java
@@ -36,21 +36,22 @@ import 
org.springframework.transaction.annotation.Transactional;
 @Transactional
 public class FileItemLogDao {
        private static final Logger log = 
LoggerFactory.getLogger(FileItemLogDao.class);
+       private static final String PARAM_FILEID = "fileId";
        @PersistenceContext
        private EntityManager em;
 
        public long countErrors(BaseFileItem f) {
-               return em.createNamedQuery("countErrorFileLogsByFile", 
Long.class).setParameter("fileId", f.getId())
+               return em.createNamedQuery("countErrorFileLogsByFile", 
Long.class).setParameter(PARAM_FILEID, f.getId())
                                .getSingleResult();
        }
 
        public List<FileItemLog> get(BaseFileItem f) {
-               return em.createNamedQuery("getFileLogsByFile", 
FileItemLog.class).setParameter("fileId", f.getId())
+               return em.createNamedQuery("getFileLogsByFile", 
FileItemLog.class).setParameter(PARAM_FILEID, f.getId())
                                .getResultList();
        }
 
        public void delete(BaseFileItem f) {
-               
em.createNamedQuery("deleteErrorFileLogsByFile").setParameter("fileId", 
f.getId())
+               
em.createNamedQuery("deleteErrorFileLogsByFile").setParameter(PARAM_FILEID, 
f.getId())
                                .executeUpdate();
        }
 
diff --git 
a/openmeetings-db/src/main/java/org/apache/openmeetings/db/dao/record/RecordingChunkDao.java
 
b/openmeetings-db/src/main/java/org/apache/openmeetings/db/dao/record/RecordingChunkDao.java
index 54a4be8..805185f 100644
--- 
a/openmeetings-db/src/main/java/org/apache/openmeetings/db/dao/record/RecordingChunkDao.java
+++ 
b/openmeetings-db/src/main/java/org/apache/openmeetings/db/dao/record/RecordingChunkDao.java
@@ -37,6 +37,7 @@ import 
org.springframework.transaction.annotation.Transactional;
 @Transactional
 public class RecordingChunkDao {
        private static final Logger log = 
LoggerFactory.getLogger(RecordingChunkDao.class);
+       private static final String PARAM_RECID = "recordingId";
        @PersistenceContext
        private EntityManager em;
        @Autowired
@@ -50,13 +51,13 @@ public class RecordingChunkDao {
 
        public List<RecordingChunk> getByRecording(Long recordingId) {
                return em.createNamedQuery("getChunkByRecording", 
RecordingChunk.class)
-                               .setParameter("recordingId", recordingId)
+                               .setParameter(PARAM_RECID, recordingId)
                                .getResultList();
        }
 
        public List<RecordingChunk> getNotScreenChunksByRecording(Long 
recordingId) {
                return em.createNamedQuery("getNotScreenChunkByRecording", 
RecordingChunk.class)
-                               .setParameter("recordingId", recordingId)
+                               .setParameter(PARAM_RECID, recordingId)
                                .setParameter("screen", Type.SCREEN)
                                .setParameter("none", Status.NONE)
                                .getResultList();
@@ -65,7 +66,7 @@ public class RecordingChunkDao {
        public RecordingChunk getScreenByRecording(Long recordingId) {
                List<RecordingChunk> list = 
em.createNamedQuery("getScreenChunkByRecording", RecordingChunk.class)
                                .setParameter("screen", Type.SCREEN)
-                               .setParameter("recordingId", recordingId)
+                               .setParameter(PARAM_RECID, recordingId)
                                .getResultList();
                return list.isEmpty() ? null : list.get(0);
        }
diff --git 
a/openmeetings-db/src/main/java/org/apache/openmeetings/db/dao/room/PollDao.java
 
b/openmeetings-db/src/main/java/org/apache/openmeetings/db/dao/room/PollDao.java
index b5b6b15..f17ffc3 100644
--- 
a/openmeetings-db/src/main/java/org/apache/openmeetings/db/dao/room/PollDao.java
+++ 
b/openmeetings-db/src/main/java/org/apache/openmeetings/db/dao/room/PollDao.java
@@ -38,6 +38,7 @@ import 
org.springframework.transaction.annotation.Transactional;
 @Transactional
 public class PollDao {
        private static final Logger log = 
LoggerFactory.getLogger(PollDao.class);
+       private static final String PARAM_ROOMID = "roomId";
 
        @PersistenceContext
        private EntityManager em;
@@ -56,7 +57,7 @@ public class PollDao {
                try {
                        log.debug(" :: close :: ");
                        Query q = em.createNamedQuery("closePoll");
-                       q.setParameter("roomId", roomId);
+                       q.setParameter(PARAM_ROOMID, roomId);
                        q.setParameter("archived", true);
                        return q.executeUpdate() > 0;
                } catch (Exception err) {
@@ -85,7 +86,7 @@ public class PollDao {
        public RoomPoll getByRoom(Long roomId) {
                log.debug(" :: getPoll :: {}", roomId);
                List<RoomPoll> list = em.createNamedQuery("getPoll", 
RoomPoll.class)
-                               .setParameter("roomId", roomId).getResultList();
+                               .setParameter(PARAM_ROOMID, 
roomId).getResultList();
                return list.size() == 1 ? list.get(0) : null;
        }
 
@@ -96,20 +97,20 @@ public class PollDao {
        public List<RoomPoll> getArchived(Long roomId) {
                log.debug(" :: getArchived :: {}", roomId);
                return em.createNamedQuery("getArchivedPollList",RoomPoll.class)
-                               .setParameter("roomId", roomId).getResultList();
+                               .setParameter(PARAM_ROOMID, 
roomId).getResultList();
        }
 
        public boolean hasPoll(Long roomId) {
                log.debug(" :: hasPoll :: " + roomId);
                return em.createNamedQuery("hasPoll", Long.class)
-                               .setParameter("roomId", roomId)
+                               .setParameter(PARAM_ROOMID, roomId)
                                .setParameter("archived", false)
                                .getSingleResult() > 0;
        }
 
        public boolean hasVoted(Long roomId, Long userId) {
                return !em.createNamedQuery("hasVoted", RoomPollAnswer.class)
-                               .setParameter("roomId", roomId)
+                               .setParameter(PARAM_ROOMID, roomId)
                                .setParameter(PARAM_USER_ID, userId)
                                .getResultList().isEmpty();
        }
diff --git 
a/openmeetings-db/src/main/java/org/apache/openmeetings/db/dao/user/GroupUserDao.java
 
b/openmeetings-db/src/main/java/org/apache/openmeetings/db/dao/user/GroupUserDao.java
index a6c6010..1fa1c20 100644
--- 
a/openmeetings-db/src/main/java/org/apache/openmeetings/db/dao/user/GroupUserDao.java
+++ 
b/openmeetings-db/src/main/java/org/apache/openmeetings/db/dao/user/GroupUserDao.java
@@ -38,6 +38,7 @@ import 
org.springframework.transaction.annotation.Transactional;
 @Transactional
 public class GroupUserDao implements IDataProviderDao<GroupUser> {
        private static final String[] searchFields = {"user.lastname", 
"user.firstname", "user.login", "user.address.email"};
+       private static final String PARAM_GROUPID = "groupId";
        @PersistenceContext
        private EntityManager em;
 
@@ -61,7 +62,7 @@ public class GroupUserDao implements 
IDataProviderDao<GroupUser> {
        public List<GroupUser> get(long groupId, String search, long start, 
long count, String sort) {
                return setLimits(
                                
em.createQuery(DaoHelper.getSearchQuery(GroupUser.class.getSimpleName(), "ou", 
null, search, false, false, "ou.group.id = :groupId", sort, searchFields), 
GroupUser.class)
-                                       .setParameter("groupId", groupId)
+                                       .setParameter(PARAM_GROUPID, groupId)
                                , start, count).getResultList();
        }
 
@@ -73,13 +74,13 @@ public class GroupUserDao implements 
IDataProviderDao<GroupUser> {
 
        public GroupUser getByGroupAndUser(Long groupId, Long userId) {
                List<GroupUser> list = em.createNamedQuery("isUserInGroup", 
GroupUser.class)
-                               .setParameter("groupId", 
groupId).setParameter(PARAM_USER_ID, userId).getResultList();
+                               .setParameter(PARAM_GROUPID, 
groupId).setParameter(PARAM_USER_ID, userId).getResultList();
                return list.isEmpty() ? null : list.get(0);
        }
 
        public boolean isUserInGroup(long groupId, long userId) {
                return !em.createNamedQuery("isUserInGroup", GroupUser.class)
-                               .setParameter("groupId", 
groupId).setParameter(PARAM_USER_ID, userId).getResultList().isEmpty();
+                               .setParameter(PARAM_GROUPID, 
groupId).setParameter(PARAM_USER_ID, userId).getResultList().isEmpty();
        }
 
        @Override
diff --git 
a/openmeetings-db/src/main/java/org/apache/openmeetings/db/dao/user/PrivateMessageDao.java
 
b/openmeetings-db/src/main/java/org/apache/openmeetings/db/dao/user/PrivateMessageDao.java
index 0444580..12eae4c 100644
--- 
a/openmeetings-db/src/main/java/org/apache/openmeetings/db/dao/user/PrivateMessageDao.java
+++ 
b/openmeetings-db/src/main/java/org/apache/openmeetings/db/dao/user/PrivateMessageDao.java
@@ -45,6 +45,7 @@ import 
org.springframework.transaction.annotation.Transactional;
 @Transactional
 public class PrivateMessageDao implements IDataProviderDao<PrivateMessage> {
        private static final Logger log = 
LoggerFactory.getLogger(PrivateMessageDao.class);
+       private static final String PARAM_FLDRID = "folderId";
        @PersistenceContext
        private EntityManager em;
 
@@ -129,14 +130,14 @@ public class PrivateMessageDao implements 
IDataProviderDao<PrivateMessage> {
                TypedQuery<Long> query = em.createQuery(getQuery(true, search, 
null, true), Long.class);
                query.setParameter("ownerId", ownerId);
                setSearch(query, search);
-               query.setParameter("folderId", folderId);
+               query.setParameter(PARAM_FLDRID, folderId);
                return query.getSingleResult();
        }
 
        public List<PrivateMessage> get(Long ownerId, Long folderId, String 
search, String orderBy, boolean asc, long start, long max) {
                TypedQuery<PrivateMessage> query = 
em.createQuery(getQuery(false, search, orderBy, asc), PrivateMessage.class);
                query.setParameter("ownerId", ownerId);
-               query.setParameter("folderId", folderId);
+               query.setParameter(PARAM_FLDRID, folderId);
                setSearch(query, search);
                return setLimits(query, start, max).getResultList();
        }
@@ -150,7 +151,7 @@ public class PrivateMessageDao implements 
IDataProviderDao<PrivateMessage> {
 
        public int moveMailsToFolder(Collection<Long> ids, Long folderId) {
                Query query = em.createNamedQuery("moveMailsToFolder");
-               query.setParameter("folderId", folderId);
+               query.setParameter(PARAM_FLDRID, folderId);
                query.setParameter("ids", ids);
                return query.executeUpdate();
        }
diff --git 
a/openmeetings-db/src/main/java/org/apache/openmeetings/db/dao/user/UserContactDao.java
 
b/openmeetings-db/src/main/java/org/apache/openmeetings/db/dao/user/UserContactDao.java
index 9e8b70d..4d99c12 100644
--- 
a/openmeetings-db/src/main/java/org/apache/openmeetings/db/dao/user/UserContactDao.java
+++ 
b/openmeetings-db/src/main/java/org/apache/openmeetings/db/dao/user/UserContactDao.java
@@ -39,6 +39,7 @@ import 
org.springframework.transaction.annotation.Transactional;
 @Transactional
 public class UserContactDao {
        private static final Logger log = 
LoggerFactory.getLogger(UserContactDao.class);
+       private static final String PARAM_OWNERID = "ownerId";
        @PersistenceContext
        private EntityManager em;
        @Autowired
@@ -73,13 +74,13 @@ public class UserContactDao {
         * @return rowcount of update
         */
        public Integer deleteAllUserContacts(Long ownerId) {
-               return 
em.createNamedQuery("deleteAllUserContacts").setParameter("ownerId",ownerId).executeUpdate();
+               return 
em.createNamedQuery("deleteAllUserContacts").setParameter(PARAM_OWNERID,ownerId).executeUpdate();
        }
 
        public UserContact get(Long userId, Long ownerId) {
                List<UserContact> ll = 
em.createNamedQuery("getContactByUserOwner", UserContact.class)
                                .setParameter(PARAM_USER_ID, userId)
-                               .setParameter("ownerId", ownerId)
+                               .setParameter(PARAM_OWNERID, ownerId)
                                .getResultList();
                log.info("number of contacts:: " + (ll == null ? null : 
ll.size()));
                return ll != null && ll.size() == 1 ? ll.get(0) : null;
@@ -104,7 +105,7 @@ public class UserContactDao {
 
        public List<UserContact> getContactsByUserAndStatus(Long ownerId, 
boolean pending) {
                return em.createNamedQuery("getContactsByUserAndStatus", 
UserContact.class)
-                               .setParameter("ownerId", ownerId)
+                               .setParameter(PARAM_OWNERID, ownerId)
                                .setParameter("pending", pending)
                                .getResultList();
        }
diff --git 
a/openmeetings-db/src/main/java/org/apache/openmeetings/db/dao/user/UserDao.java
 
b/openmeetings-db/src/main/java/org/apache/openmeetings/db/dao/user/UserDao.java
index d8753b9..bc59e19 100644
--- 
a/openmeetings-db/src/main/java/org/apache/openmeetings/db/dao/user/UserDao.java
+++ 
b/openmeetings-db/src/main/java/org/apache/openmeetings/db/dao/user/UserDao.java
@@ -77,6 +77,7 @@ import 
org.springframework.transaction.annotation.Transactional;
 @Transactional
 public class UserDao implements IGroupAdminDataProviderDao<User> {
        private static final Logger log = 
LoggerFactory.getLogger(UserDao.class);
+       private static final String PARAM_EMAIL = "email";
        private static final String[] searchFields = {"lastname", "firstname", 
"login", "address.email", "address.town"};
 
        @PersistenceContext
@@ -325,7 +326,7 @@ public class UserDao implements 
IGroupAdminDataProviderDao<User> {
                                .executeUpdate();
                        if (!Strings.isEmpty(u.getAddress().getEmail())) {
                                em.createNamedQuery("purgeMailMessages")
-                                       .setParameter("email", 
String.format("%%%s%%", u.getAddress().getEmail()))
+                                       .setParameter(PARAM_EMAIL, 
String.format("%%%s%%", u.getAddress().getEmail()))
                                        .executeUpdate();
                        }
                        u.setActivatehash(null);
@@ -438,7 +439,7 @@ public class UserDao implements 
IGroupAdminDataProviderDao<User> {
 
        public User getByEmail(String email, User.Type type, Long domainId) {
                return getSingle(em.createNamedQuery("getUserByEmail", 
User.class)
-                               .setParameter("email", email)
+                               .setParameter(PARAM_EMAIL, email)
                                .setParameter("type", type)
                                .setParameter("domainId", domainId == null ? 
Long.valueOf(0) : domainId)
                                .getResultList());
@@ -521,7 +522,7 @@ public class UserDao implements 
IGroupAdminDataProviderDao<User> {
 
        public User getContact(String email, String firstName, String lastName, 
Long langId, String tzId, User owner) {
                List<User> list = 
em.createNamedQuery("getContactByEmailAndUser", User.class)
-                               .setParameter("email", 
email).setParameter("type", User.Type.contact).setParameter("ownerId", 
owner.getId())
+                               .setParameter(PARAM_EMAIL, 
email).setParameter("type", User.Type.contact).setParameter("ownerId", 
owner.getId())
                                .getResultList();
                if (list.isEmpty()) {
                        User to = new User();
diff --git 
a/openmeetings-install/src/main/java/org/apache/openmeetings/cli/Admin.java 
b/openmeetings-install/src/main/java/org/apache/openmeetings/cli/Admin.java
index f173e2c..00838cc 100644
--- a/openmeetings-install/src/main/java/org/apache/openmeetings/cli/Admin.java
+++ b/openmeetings-install/src/main/java/org/apache/openmeetings/cli/Admin.java
@@ -76,6 +76,10 @@ import org.springframework.web.context.WebApplicationContext;
 
 public class Admin {
        private static final Logger _log = LoggerFactory.getLogger(Admin.class);
+       private static final String OPTION_EMAIL = "email";
+       private static final String OPTION_GROUP = "group";
+       private static final String OPTION_PWD = "password";
+       private static final String OPTION_DEF_LNG = "default-language";
        private static final String OPTION_DB_TYPE = "db-type";
        private static final String OPTION_DB_HOST = "db-host";
        private static final String OPTION_DB_PORT = "db-port";
@@ -139,10 +143,10 @@ public class Admin {
                options.addOption(new OmOption("b,r,i", "file", null, true, 
"file used for backup/restore/install", "b"));
                //install
                options.addOption(new OmOption("i", "user", null, true, "Login 
name of the default user, minimum " + USER_LOGIN_MINIMUM_LENGTH + " characters 
(mutually exclusive with 'file')"));
-               options.addOption(new OmOption("i", "email", null, true, "Email 
of the default user (mutually exclusive with 'file')"));
-               options.addOption(new OmOption("i", "group", null, true, "The 
name of the default user group (mutually exclusive with 'file')"));
+               options.addOption(new OmOption("i", OPTION_EMAIL, null, true, 
"Email of the default user (mutually exclusive with 'file')"));
+               options.addOption(new OmOption("i", OPTION_GROUP, null, true, 
"The name of the default user group (mutually exclusive with 'file')"));
                options.addOption(new OmOption("i", "tz", null, true, "Default 
server time zone, and time zone for the selected user (mutually exclusive with 
'file')"));
-               options.addOption(new OmOption("i", null, "password", true, 
"Password of the default user, minimum " + USER_PASSWORD_MINIMUM_LENGTH + " 
characters (will be prompted if not set)", true));
+               options.addOption(new OmOption("i", null, OPTION_PWD, true, 
"Password of the default user, minimum " + USER_PASSWORD_MINIMUM_LENGTH + " 
characters (will be prompted if not set)", true));
                options.addOption(new OmOption("i", null, OPTION_MAIL_REFERRER, 
true, String.format("System e-mail address [default: %s]", 
cfg.getMailReferer()), true));
                options.addOption(new OmOption("i", null, OPTION_MAIL_SERVER, 
true, String.format("SMTP server for outgoing e-mails [default: %s]", 
cfg.getSmtpServer()), true));
                options.addOption(new OmOption("i", null, OPTION_MAIL_PORT, 
true, String.format("SMTP server for outgoing e-mails [default: %s]", 
cfg.getSmtpPort()), true));
@@ -151,7 +155,7 @@ public class Admin {
                options.addOption(new OmOption("i", null, "email-use-tls", 
false, "Is secure e-mail connection [default: no]", true));
                options.addOption(new OmOption("i", null, 
"skip-default-objects", false, "Do not create default rooms and OAuth servers 
[created by default]", true));
                options.addOption(new OmOption("i", null, 
"disable-frontend-register", false, "Do not allow front end register [allowed 
by default]", true));
-               options.addOption(new OmOption("i", null, "default-language", 
true, "Default system language as int [1 by default]", true));
+               options.addOption(new OmOption("i", null, OPTION_DEF_LNG, true, 
"Default system language as int [1 by default]", true));
 
                options.addOption(new OmOption("i", null, OPTION_DB_TYPE, true, 
"The type of the DB to be used", true));
                options.addOption(new OmOption("i", null, OPTION_DB_HOST, true, 
"DNS name or IP address of database", true));
@@ -278,7 +282,7 @@ public class Admin {
        }
 
        private void processInstall(String file) throws Exception {
-               if (cmdl.hasOption("file") && (cmdl.hasOption("user") || 
cmdl.hasOption("email") || cmdl.hasOption("group"))) {
+               if (cmdl.hasOption("file") && (cmdl.hasOption("user") || 
cmdl.hasOption(OPTION_EMAIL) || cmdl.hasOption(OPTION_GROUP))) {
                        log("Please specify even 'file' option or 'admin 
user'.");
                        throw new ExitException();
                }
@@ -307,8 +311,8 @@ public class Admin {
                if (cmdl.hasOption("email-use-tls")) {
                        cfg.setMailUseTls(true);
                }
-               if (cmdl.hasOption("default-language")) {
-                       
cfg.setDefaultLangId(Integer.parseInt(cmdl.getOptionValue("default-language")));
+               if (cmdl.hasOption(OPTION_DEF_LNG)) {
+                       
cfg.setDefaultLangId(Integer.parseInt(cmdl.getOptionValue(OPTION_DEF_LNG)));
                }
                ConnectionProperties connectionProperties;
                File conf = OmFileHelper.getPersistence();
@@ -443,8 +447,8 @@ public class Admin {
 
        private void checkAdminDetails() throws Exception {
                cfg.setUsername(cmdl.getOptionValue("user"));
-               cfg.setEmail(cmdl.getOptionValue("email"));
-               cfg.setGroup(cmdl.getOptionValue("group"));
+               cfg.setEmail(cmdl.getOptionValue(OPTION_EMAIL));
+               cfg.setGroup(cmdl.getOptionValue(OPTION_GROUP));
                if (cfg.getUsername() == null || cfg.getUsername().length() < 
USER_LOGIN_MINIMUM_LENGTH) {
                        log("User login was not provided, or too short, should 
be at least " + USER_LOGIN_MINIMUM_LENGTH + " character long.");
                        throw new ExitException();
@@ -458,8 +462,8 @@ public class Admin {
                        log(String.format("User group was not provided, or too 
short, should be at least 1 character long: %s", cfg.getGroup()));
                        throw new ExitException();
                }
-               if (cmdl.hasOption("password")) {
-                       cfg.setPassword(cmdl.getOptionValue("password"));
+               if (cmdl.hasOption(OPTION_PWD)) {
+                       cfg.setPassword(cmdl.getOptionValue(OPTION_PWD));
                }
                IValidator<String> passValidator = new 
StrongPasswordValidator(false, new User());
                Validatable<String> passVal;
diff --git 
a/openmeetings-screenshare/src/main/java/org/apache/openmeetings/screenshare/Core.java
 
b/openmeetings-screenshare/src/main/java/org/apache/openmeetings/screenshare/Core.java
index fa13e13..8da2c0a 100644
--- 
a/openmeetings-screenshare/src/main/java/org/apache/openmeetings/screenshare/Core.java
+++ 
b/openmeetings-screenshare/src/main/java/org/apache/openmeetings/screenshare/Core.java
@@ -58,6 +58,8 @@ import 
org.springframework.scheduling.concurrent.ThreadPoolTaskScheduler;
 
 public class Core implements IPendingServiceCallback, INetStreamEventHandler {
        private static final Logger log = getLogger(Core.class);
+       private static final String STATUS_EXC = "Exception: ";
+       private static final String METH_SHARE_ACTION = "screenSharerAction";
        static final String QUARTZ_GROUP_NAME = "ScreenShare";
        static final String QUARTZ_REMOTE_JOB_NAME = "RemoteJob";
        static final String QUARTZ_REMOTE_TRIGGER_NAME = "RemoteTrigger";
@@ -231,7 +233,7 @@ public class Core implements IPendingServiceCallback, 
INetStreamEventHandler {
                } catch (NullPointerException npe) {
                        //noop
                } catch (Exception err) {
-                       frame.setStatus("Exception: " + err);
+                       frame.setStatus(STATUS_EXC + err);
                        log.error("[sendCursorStatus]", err);
                }
        }
@@ -302,7 +304,7 @@ public class Core implements IPendingServiceCallback, 
INetStreamEventHandler {
        }
 
        void handleException(Throwable e) {
-               frame.setStatus("Exception: " + e);
+               frame.setStatus(STATUS_EXC + e);
                if (e instanceof ConnectException) {
                        fallbackUsed = true;
                        connect(sid);
@@ -320,7 +322,7 @@ public class Core implements IPendingServiceCallback, 
INetStreamEventHandler {
                        }
                } catch (Exception err) {
                        log.error("captureScreenStart Exception: ", err);
-                       frame.setStatus("Exception: " + err);
+                       frame.setStatus(STATUS_EXC + err);
                }
        }
 
@@ -349,10 +351,10 @@ public class Core implements IPendingServiceCallback, 
INetStreamEventHandler {
                        if (Red5.getConnectionLocal() == null) {
                                
Red5.setConnectionLocal(instance.getConnection());
                        }
-                       instance.invoke("screenSharerAction", new Object[] { 
map }, this);
+                       instance.invoke(METH_SHARE_ACTION, new Object[] { map 
}, this);
                } catch (Exception err) {
                        log.error("captureScreenStop Exception: ", err);
-                       frame.setStatus("Exception: " + err);
+                       frame.setStatus(STATUS_EXC + err);
                }
        }
 
@@ -401,7 +403,7 @@ public class Core implements IPendingServiceCallback, 
INetStreamEventHandler {
                }
 
                String method = invoke.getCall().getServiceMethodName();
-               if ("screenSharerAction".equals(method)) {
+               if (METH_SHARE_ACTION.equals(method)) {
                        Object[] args = invoke.getCall().getArguments();
                        if (args != null && args.length > 0) {
                                @SuppressWarnings("unchecked")
@@ -553,7 +555,7 @@ public class Core implements IPendingServiceCallback, 
INetStreamEventHandler {
                                                capture.start();
                                        }
                                }
-                       } else if ("screenSharerAction".equals(method)) {
+                       } else if (METH_SHARE_ACTION.equals(method)) {
                                Object result = returnMap.get("result");
                                if ("stopAll".equals(result)) {
                                        log.trace("Stopping to stream, there is 
neither a Desktop Sharing nor Recording anymore");
diff --git 
a/openmeetings-service/src/main/java/org/apache/openmeetings/service/quartz/scheduler/AtomReader.java
 
b/openmeetings-service/src/main/java/org/apache/openmeetings/service/quartz/scheduler/AtomReader.java
index 1e7951a..25eecaf 100644
--- 
a/openmeetings-service/src/main/java/org/apache/openmeetings/service/quartz/scheduler/AtomReader.java
+++ 
b/openmeetings-service/src/main/java/org/apache/openmeetings/service/quartz/scheduler/AtomReader.java
@@ -47,7 +47,9 @@ import com.github.openjson.JSONArray;
 import com.github.openjson.JSONObject;
 
 public class AtomReader {
-       private static Logger log = LoggerFactory.getLogger(AtomReader.class);
+       private static final Logger log = 
LoggerFactory.getLogger(AtomReader.class);
+       private static final String ATTR_CONTENT = "content";
+       private static final String ATTR_PUBLISHED = "published";
        private static final int MAX_ITEM_COUNT = 5;
        private static final Map<String, Spec> specs = new HashMap<>();
        private static final XMLInputFactory inputFactory;
@@ -60,15 +62,15 @@ public class AtomReader {
                add("item")
                        .add(new Field("title"))
                        .add(new Field("link"))
-                       .add(new Field("description", "content", true))
-                       .add(new Field("pubDate", "published"))
+                       .add(new Field("description", ATTR_CONTENT, true))
+                       .add(new Field("pubDate", ATTR_PUBLISHED))
                        .add(new Field("author"));
                add("entry")
                        .add(new Field("title"))
                        .add(new Field("link", "link", "href", false))
-                       .add(new Field("content", "content", true))
-                       .add(new Field("updated", "published"))
-                       .add(new Field("published"))
+                       .add(new Field(ATTR_CONTENT, ATTR_CONTENT, true))
+                       .add(new Field("updated", ATTR_PUBLISHED))
+                       .add(new Field(ATTR_PUBLISHED))
                        .add(new Field("author"));
        }
 
diff --git 
a/openmeetings-util/src/main/java/org/apache/openmeetings/util/CalendarPatterns.java
 
b/openmeetings-util/src/main/java/org/apache/openmeetings/util/CalendarPatterns.java
index caf2273..1f21012 100644
--- 
a/openmeetings-util/src/main/java/org/apache/openmeetings/util/CalendarPatterns.java
+++ 
b/openmeetings-util/src/main/java/org/apache/openmeetings/util/CalendarPatterns.java
@@ -70,7 +70,6 @@ public class CalendarPatterns {
 
        public static Date parseImportDate(String dateString) {
                try {
-
                        Date resultDate = validDate(dateFormat__ddMMyyyyHHmmss, 
dateString);
 
                        if (resultDate != null) {
@@ -89,9 +88,9 @@ public class CalendarPatterns {
                                return resultDate;
                        }
 
-                       log.error("parseDate:: Could not parse date string {}", 
dateString);
+                       log.error("parseImportDate:: Could not parse date 
string {}", dateString);
                } catch (Exception e) {
-                       log.error("parseDate", e);
+                       log.error("parseImportDate", e);
                }
                return null;
        }
@@ -147,7 +146,7 @@ public class CalendarPatterns {
                try {
                        return 
dateFormat__ddMMyyyyBySeparator.parse(dateString);
                } catch (Exception e) {
-                       log.error("parseDate", e);
+                       log.error("parseDateBySeparator", e);
                }
                return null;
        }
@@ -160,7 +159,7 @@ public class CalendarPatterns {
                        }
                        return dateFormat__ddMMyyyyHHmmss.parse(dateString);
                } catch (Exception e) {
-                       log.error("parseDate", e);
+                       log.error("parseDateWithHour", e);
                }
                return null;
        }
diff --git 
a/openmeetings-web/src/main/java/org/apache/openmeetings/web/app/QuickPollManager.java
 
b/openmeetings-web/src/main/java/org/apache/openmeetings/web/app/QuickPollManager.java
index e2f8a33..c4f3ff1 100644
--- 
a/openmeetings-web/src/main/java/org/apache/openmeetings/web/app/QuickPollManager.java
+++ 
b/openmeetings-web/src/main/java/org/apache/openmeetings/web/app/QuickPollManager.java
@@ -22,6 +22,7 @@ import static 
org.apache.openmeetings.web.app.Application.getHazelcast;
 import static org.apache.openmeetings.web.app.WebSession.getUserId;
 
 import java.util.Map;
+import java.util.Map.Entry;
 import java.util.concurrent.ConcurrentHashMap;
 
 import org.apache.openmeetings.core.util.WebSocketHelper;
@@ -92,7 +93,7 @@ public class QuickPollManager {
                if (started) {
                        Map<Long, Boolean> votes = map().get(roomId);
                        o.put("voted", votes.containsKey(getUserId()));
-                       o.put("pros", votes.entrySet().stream().filter(e -> 
e.getValue()).count())
+                       o.put("pros", 
votes.entrySet().stream().filter(Entry::getValue).count())
                                .put("cons", votes.entrySet().stream().filter(e 
-> !e.getValue()).count());
                }
                return o;
diff --git 
a/openmeetings-web/src/main/java/org/apache/openmeetings/web/pages/auth/SignInDialog.java
 
b/openmeetings-web/src/main/java/org/apache/openmeetings/web/pages/auth/SignInDialog.java
index afdb857..98ec4f3 100644
--- 
a/openmeetings-web/src/main/java/org/apache/openmeetings/web/pages/auth/SignInDialog.java
+++ 
b/openmeetings-web/src/main/java/org/apache/openmeetings/web/pages/auth/SignInDialog.java
@@ -80,8 +80,8 @@ public class SignInDialog extends NonClosableDialog<String> {
        private Form<String> form;
        private DialogButton loginBtn;
        private DialogButton registerBtn;
-       private String password;
-       private String login;
+       private final PasswordTextField passField = new 
PasswordTextField("pass", Model.of(""));
+       private final RequiredTextField<String> loginField = new 
RequiredTextField<>("login", Model.of(""));
        private boolean rememberMe = false;
        private RegisterDialog r;
        private ForgetPasswordDialog f;
@@ -188,9 +188,9 @@ public class SignInDialog extends NonClosableDialog<String> 
{
 
        @Override
        protected void onSubmit(AjaxRequestTarget target, DialogButton btn) {
-               if (domain.getAddDomainToUserName()) {
-                       login = login + "@" + domain.getDomain();
-               }
+               final String login = 
String.format(domain.getAddDomainToUserName() ? "%s@%s" : "%s"
+                               , loginField.getModelObject(), 
domain.getDomain());
+               final String password = passField.getModelObject();
                OmAuthenticationStrategy strategy = getAuthenticationStrategy();
                WebSession ws = WebSession.get();
                Type type = domain.getId() > 0 ? Type.ldap : Type.user;
@@ -226,8 +226,6 @@ public class SignInDialog extends NonClosableDialog<String> 
{
 
        class SignInForm extends StatelessForm<String> {
                private static final long serialVersionUID = 1L;
-               private PasswordTextField passField;
-               private RequiredTextField<String> loginField;
 
                public SignInForm(String id) {
                        super(id);
@@ -236,8 +234,7 @@ public class SignInDialog extends NonClosableDialog<String> 
{
                                alreadyLoggedIn();
                        }
                        add(feedback.setOutputMarkupId(true));
-                       add(loginField = new RequiredTextField<>("login", new 
PropertyModel<String>(SignInDialog.this, "login")));
-                       add(passField = new PasswordTextField("pass", new 
PropertyModel<String>(SignInDialog.this, "password")).setResetPassword(true));
+                       add(loginField, passField.setResetPassword(true));
                        List<LdapConfig> ldaps = ldapDao.get();
                        int selectedLdap = 
cfgDao.getInt(CONFIG_DEFAULT_LDAP_ID, 0);
                        domain = ldaps.get(selectedLdap < ldaps.size() && 
selectedLdap > 0 ? selectedLdap : 0);
diff --git 
a/openmeetings-web/src/main/java/org/apache/openmeetings/web/room/raw-video.js 
b/openmeetings-web/src/main/java/org/apache/openmeetings/web/room/raw-video.js
index 114fa0d..218156f 100644
--- 
a/openmeetings-web/src/main/java/org/apache/openmeetings/web/room/raw-video.js
+++ 
b/openmeetings-web/src/main/java/org/apache/openmeetings/web/room/raw-video.js
@@ -38,7 +38,7 @@ var Video = (function() {
        }
        function _micActivity(level) {
                lm.getKendoProgressBar().value(140 * level); // magic number
-               let speaks = level > .02;
+               const speaks = level > .02;
                if (speaks !== userSpeaks) {
                        userSpeaks = speaks;
                        OmUtil.sendMessage({type: 'mic', id: 'activity', 
active: speaks});
diff --git 
a/openmeetings-web/src/main/java/org/apache/openmeetings/web/room/wb/WbPanel.java
 
b/openmeetings-web/src/main/java/org/apache/openmeetings/web/room/wb/WbPanel.java
index 1ab34fd..7613de3 100644
--- 
a/openmeetings-web/src/main/java/org/apache/openmeetings/web/room/wb/WbPanel.java
+++ 
b/openmeetings-web/src/main/java/org/apache/openmeetings/web/room/wb/WbPanel.java
@@ -96,6 +96,7 @@ import 
com.googlecode.wicket.jquery.ui.widget.dialog.DialogButton;
 public class WbPanel extends AbstractWbPanel {
        private static final long serialVersionUID = 1L;
        private static final Logger log = 
LoggerFactory.getLogger(WbPanel.class);
+       private static final String PARAM_UPDATED = "updated";
        private static final int UPLOAD_WB_LEFT = 0;
        private static final int UPLOAD_WB_TOP = 0;
        private static final int DEFAULT_WIDTH = 640;
@@ -258,7 +259,7 @@ public class WbPanel extends AbstractWbPanel {
                                                                continue;
                                                        }
                                                        JSONObject sts = new 
JSONObject(_sts.toString()); //copy
-                                                       sts.put("pos", 
sts.getDouble("pos") + (System.currentTimeMillis() - sts.getLong("updated")) * 
1. / 1000);
+                                                       sts.put("pos", 
sts.getDouble("pos") + (System.currentTimeMillis() - 
sts.getLong(PARAM_UPDATED)) * 1. / 1000);
                                                        arr.put(new JSONObject()
                                                                        
.put("wbId", wb.getId())
                                                                        
.put("uid", o.getString("uid"))
@@ -455,7 +456,7 @@ public class WbPanel extends AbstractWbPanel {
                                        JSONObject po = wb.get(uid);
                                        if (po != null && 
"video".equals(po.getString(ATTR_TYPE))) {
                                                JSONObject ns = 
obj.getJSONObject(PARAM_STATUS);
-                                               po.put(PARAM_STATUS, 
ns.put("updated", System.currentTimeMillis()));
+                                               po.put(PARAM_STATUS, 
ns.put(PARAM_UPDATED, System.currentTimeMillis()));
                                                wbm.update(roomId, wb.put(uid, 
po));
                                                obj.put(ATTR_SLIDE, 
po.getInt(ATTR_SLIDE));
                                                sendWbAll(WbAction.videoStatus, 
obj);
@@ -602,7 +603,7 @@ public class WbPanel extends AbstractWbPanel {
                                                file.put(PARAM_STATUS, new 
JSONObject()
                                                                .put("paused", 
true)
                                                                .put("pos", 0.0)
-                                                               .put("updated", 
System.currentTimeMillis()));
+                                                               
.put(PARAM_UPDATED, System.currentTimeMillis()));
                                        }
                                        final String ruid = wbs.getUid();
                                        if (clean) {
diff --git 
a/openmeetings-web/src/main/java/org/apache/openmeetings/web/room/wb/raw-wb-board.js
 
b/openmeetings-web/src/main/java/org/apache/openmeetings/web/room/wb/raw-wb-board.js
index 2f3e29f..5997a29 100644
--- 
a/openmeetings-web/src/main/java/org/apache/openmeetings/web/room/wb/raw-wb-board.js
+++ 
b/openmeetings-web/src/main/java/org/apache/openmeetings/web/room/wb/raw-wb-board.js
@@ -128,7 +128,7 @@ var Wb = function() {
                function setStyle(canvas, styleName, value) {
                        const o = canvas.getActiveObject();
                        if (o.setSelectionStyles && o.isEditing) {
-                               let style = {};
+                               const style = {};
                                style[styleName] = value;
                                o.setSelectionStyles(style);
                        } else {
diff --git 
a/openmeetings-web/src/main/java/org/apache/openmeetings/web/user/calendar/CalendarDialog.java
 
b/openmeetings-web/src/main/java/org/apache/openmeetings/web/user/calendar/CalendarDialog.java
index 9931026..288e3f0 100644
--- 
a/openmeetings-web/src/main/java/org/apache/openmeetings/web/user/calendar/CalendarDialog.java
+++ 
b/openmeetings-web/src/main/java/org/apache/openmeetings/web/user/calendar/CalendarDialog.java
@@ -62,8 +62,8 @@ import 
com.googlecode.wicket.kendo.ui.panel.KendoFeedbackPanel;
  * during the Creation and Deletion of Appointments.
  */
 public class CalendarDialog extends AbstractFormDialog<OmCalendar> {
-       private static final Logger log = 
LoggerFactory.getLogger(CalendarDialog.class);
        private static final long serialVersionUID = 1L;
+       private static final Logger log = 
LoggerFactory.getLogger(CalendarDialog.class);
        private CalendarPanel calendarPanel;
 
        private final KendoFeedbackPanel feedback = new 
KendoFeedbackPanel("feedback", new Options("button", true));
@@ -534,7 +534,6 @@ public class CalendarDialog extends 
AbstractFormDialog<OmCalendar> {
                                //Google Calendar ID
                                
urlLabel.setDefaultModelObject(getString("calendar.googleID"));
                                url.setEnabled(true);
-                               
url.setLabel(Model.<String>of(getString("calendar.googleID")));
 
                                //Google API Key
                                
userLabel.setDefaultModelObject(getString("calendar.googleKey"));
@@ -548,8 +547,8 @@ public class CalendarDialog extends 
AbstractFormDialog<OmCalendar> {
                                username.setModelObject(null);
 
                                
urlLabel.setDefaultModelObject(getString("calendar.url"));
-                               
url.setLabel(Model.of(getString("calendar.url")));
                        }
+                       
url.setLabel(Model.of((String)urlLabel.getDefaultModelObject()));
 
                        //Add new AttributeModifier to change the type of 
URLTextField, to text for
                        //Google Calendar and to URL for a normal CalDAV 
calendar
diff --git 
a/openmeetings-web/src/main/java/org/apache/openmeetings/web/user/profile/MessagesContactsPanel.java
 
b/openmeetings-web/src/main/java/org/apache/openmeetings/web/user/profile/MessagesContactsPanel.java
index aa2739a..038082b 100644
--- 
a/openmeetings-web/src/main/java/org/apache/openmeetings/web/user/profile/MessagesContactsPanel.java
+++ 
b/openmeetings-web/src/main/java/org/apache/openmeetings/web/user/profile/MessagesContactsPanel.java
@@ -89,6 +89,7 @@ import 
com.googlecode.wicket.jquery.ui.widget.dialog.DialogButton;
 public class MessagesContactsPanel extends UserBasePanel {
        private static final long serialVersionUID = 1L;
        private static final Long MOVE_CHOOSE = Long.valueOf(-1);
+       private static final String CSS_UNREAD = "unread";
        private static final String SELECT_CHOOSE = "1252";
        private static final String SELECT_ALL = "1239";
        private static final String SELECT_NONE = "1240";
@@ -305,7 +306,7 @@ public class MessagesContactsPanel extends UserBasePanel {
                                                target.add(container);
                                        }
                                });
-                               StringBuilder cssClass = new 
StringBuilder(m.getIsRead() ? "" : "unread");
+                               StringBuilder cssClass = new 
StringBuilder(m.getIsRead() ? "" : CSS_UNREAD);
                                if (selectedMessages.contains(id)) {
                                        if (cssClass.length() > 0) {
                                                cssClass.append(" ");
@@ -469,7 +470,7 @@ public class MessagesContactsPanel extends UserBasePanel {
                                final Long contactId = uc.getId();
                                final Long userId = uc.getOwner().getId();
                                if (uc.isPending()) {
-                                       
item.add(AttributeModifier.append(ATTR_CLASS, "unread"));
+                                       
item.add(AttributeModifier.append(ATTR_CLASS, CSS_UNREAD));
                                }
                                item.add(new Label("name", getName(uc)));
                                item.add(new 
WebMarkupContainer("accept").add(new AjaxEventBehavior(EVT_CLICK) {
diff --git 
a/openmeetings-web/src/main/java/org/apache/openmeetings/web/user/profile/UserSearchPanel.java
 
b/openmeetings-web/src/main/java/org/apache/openmeetings/web/user/profile/UserSearchPanel.java
index d5d6379..fb1c4f1 100644
--- 
a/openmeetings-web/src/main/java/org/apache/openmeetings/web/user/profile/UserSearchPanel.java
+++ 
b/openmeetings-web/src/main/java/org/apache/openmeetings/web/user/profile/UserSearchPanel.java
@@ -46,7 +46,7 @@ import org.apache.wicket.markup.repeater.data.DataView;
 import org.apache.wicket.markup.repeater.data.IDataProvider;
 import org.apache.wicket.model.CompoundPropertyModel;
 import org.apache.wicket.model.IModel;
-import org.apache.wicket.model.PropertyModel;
+import org.apache.wicket.model.Model;
 import org.apache.wicket.spring.injection.annot.SpringBean;
 
 import com.googlecode.wicket.jquery.core.Options;
@@ -56,9 +56,9 @@ import 
com.googlecode.wicket.jquery.ui.plugins.fixedheadertable.FixedHeaderTable
 public class UserSearchPanel extends UserBasePanel {
        private static final long serialVersionUID = 1L;
        private static final List<Integer> itemsPerPage = Arrays.asList(10, 25, 
50, 75, 100, 200, 500, 1000, 2500, 5000);
-       private String text;
-       private String search;
-       private String offer;
+       private final TextField<String> text = new TextField<>("text", 
Model.of(""));
+       private final TextField<String> search = new TextField<>("search", 
Model.of(""));
+       private final TextField<String> offer = new TextField<>("offer", 
Model.of(""));
        private String orderBy = "u.firstname";
        private boolean asc = true;
        private boolean searched = false;
@@ -80,9 +80,7 @@ public class UserSearchPanel extends UserBasePanel {
                        @Override
                        protected void onInitialize() {
                                super.onInitialize();
-                               add(new TextField<>("text", new 
PropertyModel<String>(UserSearchPanel.this, "text")));
-                               add(new TextField<>("offer", new 
PropertyModel<String>(UserSearchPanel.this, "offer")));
-                               add(new TextField<>("search", new 
PropertyModel<String>(UserSearchPanel.this, "search")));
+                               add(text, offer, search);
                                add(new AjaxButton("submit") {
                                        private static final long 
serialVersionUID = 1L;
 
@@ -99,13 +97,13 @@ public class UserSearchPanel extends UserBasePanel {
 
                        @Override
                        public Iterator<? extends User> iterator(long first, 
long count) {
-                               return searched ? 
userDao.searchUserProfile(getUserId(), text, offer, search, orderBy, first, 
count, asc).iterator()
+                               return searched ? 
userDao.searchUserProfile(getUserId(), text.getModelObject(), 
offer.getModelObject(), search.getModelObject(), orderBy, first, count, 
asc).iterator()
                                                : new 
ArrayList<User>().iterator();
                        }
 
                        @Override
                        public long size() {
-                               return searched ? 
userDao.searchCountUserProfile(getUserId(), text, offer, search) : 0;
+                               return searched ? 
userDao.searchCountUserProfile(getUserId(), text.getModelObject(), 
offer.getModelObject(), search.getModelObject()) : 0;
                        }
 
                        @Override
diff --git 
a/openmeetings-web/src/main/java/org/apache/openmeetings/web/user/rooms/RoomsSelectorPanel.java
 
b/openmeetings-web/src/main/java/org/apache/openmeetings/web/user/rooms/RoomsSelectorPanel.java
index c0a53be..2554380 100644
--- 
a/openmeetings-web/src/main/java/org/apache/openmeetings/web/user/rooms/RoomsSelectorPanel.java
+++ 
b/openmeetings-web/src/main/java/org/apache/openmeetings/web/user/rooms/RoomsSelectorPanel.java
@@ -29,6 +29,7 @@ import org.apache.wicket.spring.injection.annot.SpringBean;
 
 public class RoomsSelectorPanel extends UserBasePanel {
        private static final long serialVersionUID = 1L;
+       private static final String PANEL_ID = "rooms";
        private String title;
        private String desc;
        @SpringBean
@@ -41,18 +42,18 @@ public class RoomsSelectorPanel extends UserBasePanel {
                        case myTabButton:
                                title = "781";
                                desc = "782";
-                               add(new RoomsPanel("rooms", 
roomDao.getMyRooms(getUserId(), Application.getString("my.room.conference"), 
Application.getString("my.room.presentation"))));
+                               add(new RoomsPanel(PANEL_ID, 
roomDao.getMyRooms(getUserId(), Application.getString("my.room.conference"), 
Application.getString("my.room.presentation"))));
                                break;
                        case privateTabButton:
                                title = "779";
                                desc = "780";
-                               add(new RoomsTabbedPanel("rooms"));
+                               add(new RoomsTabbedPanel(PANEL_ID));
                                break;
                        case publicTabButton:
                        default:
                                title = "777";
                                desc = "778";
-                               add(new RoomsPanel("rooms", 
roomDao.getPublicRooms()));
+                               add(new RoomsPanel(PANEL_ID, 
roomDao.getPublicRooms()));
                                break;
                }
        }
diff --git 
a/openmeetings-web/src/test/java/org/apache/openmeetings/web/TestCalendar.java 
b/openmeetings-web/src/test/java/org/apache/openmeetings/web/TestCalendar.java
index 5523b89..a872329 100644
--- 
a/openmeetings-web/src/test/java/org/apache/openmeetings/web/TestCalendar.java
+++ 
b/openmeetings-web/src/test/java/org/apache/openmeetings/web/TestCalendar.java
@@ -25,7 +25,6 @@ import java.time.LocalDateTime;
 import java.util.List;
 
 import org.apache.openmeetings.AbstractWicketTester;
-import org.apache.openmeetings.db.dao.calendar.AppointmentDao;
 import org.apache.openmeetings.db.entity.calendar.Appointment;
 import org.apache.openmeetings.db.entity.user.User;
 import org.apache.openmeetings.util.OmException;
@@ -34,7 +33,6 @@ import org.apache.wicket.behavior.AbstractAjaxBehavior;
 import org.apache.wicket.util.tester.FormTester;
 import org.junit.Assert;
 import org.junit.Test;
-import org.springframework.beans.factory.annotation.Autowired;
 
 import com.googlecode.wicket.jquery.ui.calendar.CalendarView;
 import com.googlecode.wicket.jquery.ui.widget.dialog.ButtonAjaxBehavior;
@@ -43,8 +41,6 @@ import com.googlecode.wicket.jquery.ui.widget.menu.Menu;
 public class TestCalendar extends AbstractWicketTester {
        private static final String PATH_APPOINTMENT_DLG = 
String.format("%s:appointment", PATH_CHILD);
        private static final String PATH_APPOINTMENT_DLG_FRM = 
String.format("%s:appForm", PATH_APPOINTMENT_DLG);
-       @Autowired
-       private AppointmentDao appointmentDao;
 
        @Test
        public void testEventCreate() throws OmException {
diff --git 
a/openmeetings-web/src/test/java/org/apache/openmeetings/web/pages/TestHashPage.java
 
b/openmeetings-web/src/test/java/org/apache/openmeetings/web/pages/TestHashPage.java
index 8d732a6..051c9c2 100644
--- 
a/openmeetings-web/src/test/java/org/apache/openmeetings/web/pages/TestHashPage.java
+++ 
b/openmeetings-web/src/test/java/org/apache/openmeetings/web/pages/TestHashPage.java
@@ -134,16 +134,22 @@ public class TestHashPage extends AbstractWicketTester {
        @Test
        public void testBadParam() {
                log.debug("bad params");
-               checkAccessDenied(new PageParameters().add("aaa", 
"bbb").add(HashPage.LANG, 7));
+               checkAccessDenied(new PageParameters().add("aaa", 
"bbb").add(HashPage.LANG, 777));
        }
 
        @Test
        public void testBadSecure() {
-               log.debug("bad params");
+               log.debug("bad secure");
                checkAccessDenied(new PageParameters().add(HASH, 
"bbb").add(HashPage.LANG, 7));
        }
 
        @Test
+       public void testBadInvitation() {
+               log.debug("bad invitation");
+               checkAccessDenied(new PageParameters().add(INVITATION_HASH, 
"bbb").add(HashPage.LANG, 5));
+       }
+
+       @Test
        public void testValidOneTimeRoom() {
                Invitation i = get(1L, 2L, null, null, Valid.OneTime, null, 
null, null);
                checkPanel(new PageParameters().add(INVITATION_HASH, 
i.getHash()), RoomPanel.class);

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