]> git.mxchange.org Git - jjobs-war.git/blobdiff - src/java/org/mxchange/jjobs/beans/contact/JobsContactWebSessionBean.java
Let's don't call EJBs to often to have best performance
[jjobs-war.git] / src / java / org / mxchange / jjobs / beans / contact / JobsContactWebSessionBean.java
index 034afc6a307a5f3dc7f95dc29c9bf1c98068a755..2ead9fac4cee7c6653cced27a43abb4ffe217987 100644 (file)
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 2016 Roland Haeder
+ * Copyright (C) 2016 Roland Häder
  *
  * This program is free software: you can redistribute it and/or modify
  * it under the terms of the GNU Affero General Public License as
 package org.mxchange.jjobs.beans.contact;
 
 import java.text.MessageFormat;
+import java.util.Collections;
 import java.util.Date;
 import java.util.Iterator;
+import java.util.LinkedList;
 import java.util.List;
 import java.util.Objects;
 import javax.annotation.PostConstruct;
@@ -35,30 +37,40 @@ import org.mxchange.jcontacts.contact.ContactSessionBeanRemote;
 import org.mxchange.jcontacts.contact.UserContact;
 import org.mxchange.jcontacts.contact.gender.Gender;
 import org.mxchange.jcontacts.contact.utils.ContactUtils;
-import org.mxchange.jcontacts.events.contact.update.AdminUpdatedContactEvent;
+import org.mxchange.jcontacts.events.contact.add.ObservableAdminAddedContactEvent;
+import org.mxchange.jcontacts.events.contact.deleted.ObservableAdminDeletedContactEvent;
+import org.mxchange.jcontacts.events.contact.update.ObservableAdminUpdatedContactEvent;
+import org.mxchange.jcontacts.events.fax.unlinked.ObservableAdminUnlinkedFaxNumberEvent;
+import org.mxchange.jcontacts.events.landline.unlinked.ObservableAdminUnlinkedLandLineNumberEvent;
+import org.mxchange.jcontacts.events.mobile.unlinked.ObservableAdminUnlinkedMobileNumberEvent;
 import org.mxchange.jcontacts.exceptions.ContactNotFoundException;
 import org.mxchange.jcountry.data.Country;
+import org.mxchange.jjobs.beans.BaseJobsController;
 import org.mxchange.jjobs.beans.login.JobsUserLoginWebSessionController;
-import org.mxchange.jphone.phonenumbers.cellphone.CellphoneNumber;
-import org.mxchange.jphone.phonenumbers.cellphone.DialableCellphoneNumber;
+import org.mxchange.jjobs.beans.user.JobsUserWebSessionController;
+import org.mxchange.jphone.events.mobile.remove.AdminRemoveMobileNumberFromListEvent;
 import org.mxchange.jphone.phonenumbers.fax.DialableFaxNumber;
 import org.mxchange.jphone.phonenumbers.fax.FaxNumber;
 import org.mxchange.jphone.phonenumbers.landline.DialableLandLineNumber;
 import org.mxchange.jphone.phonenumbers.landline.LandLineNumber;
+import org.mxchange.jphone.phonenumbers.mobile.DialableMobileNumber;
+import org.mxchange.jphone.phonenumbers.mobile.MobileNumber;
 import org.mxchange.jphone.phonenumbers.mobileprovider.MobileProvider;
-import org.mxchange.jusercore.events.login.UserLoggedInEvent;
-import org.mxchange.jusercore.events.registration.UserRegisteredEvent;
-import org.mxchange.jusercore.events.user.add.AdminAddedUserEvent;
-import org.mxchange.jusercore.exceptions.UserPasswordMismatchException;
+import org.mxchange.jusercore.events.confirmation.ObservableUserConfirmedAccountEvent;
+import org.mxchange.jusercore.events.login.ObservableUserLoggedInEvent;
+import org.mxchange.jusercore.events.registration.ObservableUserRegisteredEvent;
+import org.mxchange.jusercore.events.user.add.ObservableAdminAddedUserEvent;
+import org.mxchange.jusercore.events.user.linked.ObservableAdminLinkedUserEvent;
+import org.mxchange.jusercore.model.user.User;
 
 /**
- * A general contact bean (controller)
+ * A general contact controller (bean)
  * <p>
- * @author Roland Haeder<roland@mxchange.org>
+ * @author Roland Häder<roland@mxchange.org>
  */
 @Named ("contactController")
 @SessionScoped
-public class JobsContactWebSessionBean implements JobsContactWebSessionController {
+public class JobsContactWebSessionBean extends BaseJobsController implements JobsContactWebSessionController {
 
        /**
         * Serial number
@@ -70,16 +82,6 @@ public class JobsContactWebSessionBean implements JobsContactWebSessionControlle
         */
        private Date birthday;
 
-       /**
-        * Cellphone number's carrier
-        */
-       private MobileProvider cellphoneCarrier;
-
-       /**
-        * Cellphone number
-        */
-       private Long cellphoneNumber;
-
        /**
         * City
         */
@@ -98,7 +100,7 @@ public class JobsContactWebSessionBean implements JobsContactWebSessionControlle
        /**
         * Contact list
         */
-       private List<Contact> contactList;
+       private final List<Contact> contacts;
 
        /**
         * Country instance
@@ -111,14 +113,14 @@ public class JobsContactWebSessionBean implements JobsContactWebSessionControlle
        private String emailAddress;
 
        /**
-        * Email address list
+        * Email address repeated
         */
-       private List<String> emailAddressList;
+       private String emailAddressRepeat;
 
        /**
-        * Email address repeated
+        * Email address list
         */
-       private String emailAddressRepeat;
+       private final List<String> emailAddresses;
 
        /**
         * Family name
@@ -156,9 +158,9 @@ public class JobsContactWebSessionBean implements JobsContactWebSessionControlle
        private Short houseNumber;
 
        /**
-        * Whether a cellphone entry has been unlinked
+        * House number extension
         */
-       private boolean isCellphoneUnlinked;
+       private String houseNumberExtension;
 
        /**
         * Whether a fax entry has been unlinked
@@ -171,19 +173,39 @@ public class JobsContactWebSessionBean implements JobsContactWebSessionControlle
        private boolean isLandLineUnlinked;
 
        /**
-        * Phone number area code
+        * Whether a mobile entry has been unlinked
+        */
+       private boolean isMobileUnlinked;
+
+       /**
+        * Land-line number area code
+        */
+       private Integer landLineAreaCode;
+
+       /**
+        * Country instance for land-line number
+        */
+       private Country landLineCountry;
+
+       /**
+        * Land-line number
         */
-       private Integer phoneAreaCode;
+       private Long landLineNumber;
 
        /**
-        * Country instance for phone number
+        * Mobile number
         */
-       private Country phoneCountry;
+       private Long mobileNumber;
 
        /**
-        * Phone number
+        * Mobile provider
         */
-       private Long phoneNumber;
+       private MobileProvider mobileProvider;
+
+       /**
+        * A list of all selectable contacts
+        */
+       private List<Contact> selectableContacts;
 
        /**
         * Street
@@ -191,7 +213,18 @@ public class JobsContactWebSessionBean implements JobsContactWebSessionControlle
        private String street;
 
        /**
-        * Login bean (controller)
+        * Title
+        */
+       private String title;
+
+       /**
+        * Regular user controller
+        */
+       @Inject
+       private JobsUserWebSessionController userController;
+
+       /**
+        * Login controller (bean)
         */
        @Inject
        private JobsUserLoginWebSessionController userLoginController;
@@ -211,15 +244,19 @@ public class JobsContactWebSessionBean implements JobsContactWebSessionControlle
                        Context context = new InitialContext();
 
                        // Try to lookup
-                       this.contactBean = (ContactSessionBeanRemote) context.lookup("java:global/jratecalc-ejb/contact!org.mxchange.jcontacts.contact.ContactSessionBeanRemote"); //NOI18N
+                       this.contactBean = (ContactSessionBeanRemote) context.lookup("java:global/jjobs-ejb/contact!org.mxchange.jcontacts.contact.ContactSessionBeanRemote"); //NOI18N
                } catch (final NamingException e) {
                        // Throw again
                        throw new FaceletException(e);
                }
+
+               // Init lists/maps
+               this.contacts = new LinkedList<>();
+               this.emailAddresses = new LinkedList<>();
        }
 
        @Override
-       public void afterAdminAddedContact (@Observes final AdminAddedContactEvent event) {
+       public void afterAdminAddedContactEvent (@Observes final ObservableAdminAddedContactEvent event) {
                // The event must be valid
                if (null == event) {
                        // Throw NPE
@@ -229,24 +266,24 @@ public class JobsContactWebSessionBean implements JobsContactWebSessionControlle
                        throw new NullPointerException("event.addedContact is null"); //NOI18N
                } else if (event.getAddedContact().getContactId() == null) {
                        // ... and again
-                       throw new NullPointerException("event.addedContact.customerId is null"); //NOI18N
+                       throw new NullPointerException("event.addedContact.contactId is null"); //NOI18N
                } else if (event.getAddedContact().getContactId() < 1) {
                        // Not valid
-                       throw new IllegalArgumentException(MessageFormat.format("event.addedContact.customerId={0} is not valid", event.getAddedContact().getContactId())); //NOI18N //NOI18N
+                       throw new IllegalArgumentException(MessageFormat.format("event.addedContact.contactId={0} is not valid", event.getAddedContact().getContactId())); //NOI18N
                }
 
                // Clear this bean
                this.clear();
 
                // Call other method
-               this.contactList.add(event.getAddedContact());
+               this.uniqueAddContact(event.getAddedContact());
+
+               // Add to selectable contacts
+               this.selectableContacts.add(event.getAddedContact());
        }
 
        @Override
-       public void afterAdminAddedUserEvent (@Observes final AdminAddedUserEvent event) {
-               // Trace message
-               //* NOISY-DEBUG: */ System.out.println(MessageFormat.format("UserWebBean:afterAdminAddedUserEvent: event={0} - CALLED!", event)); //NOI18N
-
+       public void afterAdminAddedUserEvent (@Observes final ObservableAdminAddedUserEvent event) {
                // event should not be null
                if (null == event) {
                        // Throw NPE
@@ -264,110 +301,189 @@ public class JobsContactWebSessionBean implements JobsContactWebSessionControlle
 
                // Clear all data
                this.clear();
-
-               // Trace message
-               //* NOISY-DEBUG: */ System.out.println("UserWebBean:afterAdminAddedUserEvent: EXIT!"); //NOI18N
        }
 
        @Override
-       public void afterAdminUpdatedContactDataEvent (@Observes final AdminUpdatedContactEvent event) {
-               // Trace message
-               //* NOISY-DEBUG: */ System.out.println(MessageFormat.format("ContactWebBean:afterAdminUpdatedContactDataEvent: event={0} - CALLED!", event)); //NOI18N
-
+       public void afterAdminDeletedContactEvent (@Observes final ObservableAdminDeletedContactEvent event) {
                // event should not be null
                if (null == event) {
                        // Throw NPE
                        throw new NullPointerException("event is null"); //NOI18N
-               } else if (event.getUpdatedContact() == null) {
+               } else if (event.getDeletedContact() == null) {
                        // Throw NPE again
-                       throw new NullPointerException("event.updatedUser is null"); //NOI18N
-               } else if (event.getUpdatedContact().getContactId() == null) {
+                       throw new NullPointerException("event.deletedContact is null"); //NOI18N
+               } else if (event.getDeletedContact().getContactId() == null) {
                        // userId is null
-                       throw new NullPointerException("event.updatedUser.userId is null"); //NOI18N
-               } else if (event.getUpdatedContact().getContactId() < 1) {
+                       throw new NullPointerException("event.deletedContact.contactId is null"); //NOI18N
+               } else if (event.getDeletedContact().getContactId() < 1) {
                        // Not avalid id
-                       throw new IllegalArgumentException(MessageFormat.format("contactId of contact={0} is not valid: {1}", event.getUpdatedContact(), event.getUpdatedContact().getContactId())); //NOI18N
+                       throw new IllegalArgumentException(MessageFormat.format("userId of user={0} is not valid: {1}", event.getDeletedContact(), event.getDeletedContact().getContactId())); //NOI18N
                }
 
-               // Get iterator from list
-               Iterator<Contact> iterator = this.contactList.iterator();
+               // Remove from both lists
+               this.contacts.remove(event.getDeletedContact());
+               this.selectableContacts.remove(event.getDeletedContact());
 
-               // "Walk" through all entries
-               while (iterator.hasNext()) {
-                       // Get next element
-                       Contact next = iterator.next();
-
-                       // Is id number the same?
-                       if (Objects.equals(event.getUpdatedContact().getContactId(), next.getContactId())) {
-                               // Found entry, so remove it and abort
-                               this.contactList.remove(next);
+               // Clear all data
+               this.clear();
+       }
 
-                               // Remove also email from list
-                               this.emailAddressList.remove(next.getContactEmailAddress());
-                               break;
-                       }
+       @Override
+       public void afterAdminLinkedUserEvent (@Observes final ObservableAdminLinkedUserEvent event) {
+               // event should not be null
+               if (null == event) {
+                       // Throw NPE
+                       throw new NullPointerException("event is null"); //NOI18N
+               } else if (event.getLinkedUser() == null) {
+                       // Throw NPE again
+                       throw new NullPointerException("event.linkedUser is null"); //NOI18N
+               } else if (event.getLinkedUser().getUserContact() == null) {
+                       // Throw NPE again
+                       throw new NullPointerException("event.linkedUser.userContact is null"); //NOI18N
+               } else if (event.getLinkedUser().getUserContact().getContactId() == null) {
+                       // userId is null
+                       throw new NullPointerException("event.linkedUser.userContact.contactId is null"); //NOI18N
+               } else if (event.getLinkedUser().getUserContact().getContactId() < 1) {
+                       // Not avalid id
+                       throw new IllegalArgumentException(MessageFormat.format("contactId of contact={0} is not valid: {1}", event.getLinkedUser(), event.getLinkedUser().getUserContact().getContactId())); //NOI18N
                }
 
-               // Add contact to list
-               this.contactList.add(event.getUpdatedContact());
+               // Remove contact from list available contacts list
+               this.selectableContacts.remove(event.getLinkedUser().getUserContact());
 
-               // Add email address to list
-               this.emailAddressList.add(event.getUpdatedContact().getContactEmailAddress());
+               // Clear all data
+               this.clear();
        }
 
        @Override
-       public void afterRegistrationEvent (@Observes final UserRegisteredEvent event) {
-               // Trace message
-               //* NOISY-DEBUG: */ System.out.println(MessageFormat.format("ContactWebBean:afterRegistration: event={0} - CALLED!", event)); //NOI18N
+       public void afterAdminUnlinkedFaxContactDataEvent (@Observes final ObservableAdminUnlinkedFaxNumberEvent event) {
+               // event should not be null
+               if (null == event) {
+                       // Throw NPE
+                       throw new NullPointerException("event is null"); //NOI18N
+               } else if (event.getUnlinkedFaxNumber() == null) {
+                       // Throw NPE again
+                       throw new NullPointerException("event.unlinkedFaxNumber is null"); //NOI18N
+               } else if (event.getUnlinkedFaxNumber().getPhoneId() == null) {
+                       // userId is null
+                       throw new NullPointerException("event.unlinkedFaxNumber.contactId is null"); //NOI18N
+               } else if (event.getUnlinkedFaxNumber().getPhoneId() < 1) {
+                       // Not avalid id
+                       throw new IllegalArgumentException(MessageFormat.format("contactId of contact={0} is not valid: {1}", event.getUnlinkedFaxNumber(), event.getUnlinkedFaxNumber().getPhoneId())); //NOI18N
+               }
+
+               // Remove it from list
+               this.removeFromContacts(event.getUnlinkedFaxNumber());
+
+               // Clear all data
+               this.clear();
+       }
 
+       @Override
+       public void afterAdminUnlinkedLandLineContactDataEvent (@Observes final ObservableAdminUnlinkedLandLineNumberEvent event) {
                // event should not be null
                if (null == event) {
                        // Throw NPE
                        throw new NullPointerException("event is null"); //NOI18N
-               } else if (event.getRegisteredUser() == null) {
+               } else if (event.getUnlinkedLandLineNumber() == null) {
                        // Throw NPE again
-                       throw new NullPointerException("event.user is null"); //NOI18N
-               } else if (event.getRegisteredUser().getUserId() == null) {
+                       throw new NullPointerException("event.unlinkedLandLineNumber is null"); //NOI18N
+               } else if (event.getUnlinkedLandLineNumber().getPhoneId() == null) {
                        // userId is null
-                       throw new NullPointerException("event.user.userId is null"); //NOI18N
-               } else if (event.getRegisteredUser().getUserId() < 1) {
+                       throw new NullPointerException("event.unlinkedLandLineNumber.contactId is null"); //NOI18N
+               } else if (event.getUnlinkedLandLineNumber().getPhoneId() < 1) {
                        // Not avalid id
-                       throw new IllegalArgumentException(MessageFormat.format("userId of user={0} is not valid: {1}", event.getRegisteredUser(), event.getRegisteredUser().getUserId())); //NOI18N
+                       throw new IllegalArgumentException(MessageFormat.format("contactId of contact={0} is not valid: {1}", event.getUnlinkedLandLineNumber(), event.getUnlinkedLandLineNumber().getPhoneId())); //NOI18N
                }
 
-               // Get user instance
-               Contact registeredContact = event.getRegisteredUser().getUserContact();
+               // Remove it from list
+               this.removeFromContacts(event.getUnlinkedLandLineNumber());
 
-               // Debug message
-               //* NOISY-DEBUG: */ System.out.println(MessageFormat.format("ContactWebBean:afterRegistration: registeredContact={0}", registeredContact)); //NOI18N
-               // Copy all data from registered->user
-               this.copyContact(registeredContact);
+               // Clear all data
+               this.clear();
+       }
 
-               // Add user name and email address
-               this.addUserNameEmailAddress(registeredContact);
+       @Override
+       public void afterAdminUnlinkedMobileContactDataEvent (@Observes final ObservableAdminUnlinkedMobileNumberEvent event) {
+               // event should not be null
+               if (null == event) {
+                       // Throw NPE
+                       throw new NullPointerException("event is null"); //NOI18N
+               } else if (event.getUnlinkedMobileNumber() == null) {
+                       // Throw NPE again
+                       throw new NullPointerException("event.unlinkedMobileNumber is null"); //NOI18N
+               } else if (event.getUnlinkedMobileNumber().getPhoneId() == null) {
+                       // userId is null
+                       throw new NullPointerException("event.unlinkedMobileNumber.contactId is null"); //NOI18N
+               } else if (event.getUnlinkedMobileNumber().getPhoneId() < 1) {
+                       // Not avalid id
+                       throw new IllegalArgumentException(MessageFormat.format("contactId of contact={0} is not valid: {1}", event.getUnlinkedMobileNumber(), event.getUnlinkedMobileNumber().getPhoneId())); //NOI18N
+               }
+
+               // Remove it from list
+               this.removeFromContacts(event.getUnlinkedMobileNumber());
 
                // Clear all data
                this.clear();
+       }
 
-               // Trace message
-               //* NOISY-DEBUG: */ System.out.println("ContactWebBean:afterRegistration: EXIT!"); //NOI18N
+       @Override
+       public void afterAdminUpdatedContactDataEvent (@Observes final ObservableAdminUpdatedContactEvent event) {
+               // event should not be null
+               if (null == event) {
+                       // Throw NPE
+                       throw new NullPointerException("event is null"); //NOI18N
+               } else if (event.getUpdatedContact() == null) {
+                       // Throw NPE again
+                       throw new NullPointerException("event.updatedContact is null"); //NOI18N
+               } else if (event.getUpdatedContact().getContactId() == null) {
+                       // userId is null
+                       throw new NullPointerException("event.updatedContact.contactId is null"); //NOI18N
+               } else if (event.getUpdatedContact().getContactId() < 1) {
+                       // Not avalid id
+                       throw new IllegalArgumentException(MessageFormat.format("contactId of contact={0} is not valid: {1}", event.getUpdatedContact(), event.getUpdatedContact().getContactId())); //NOI18N
+               }
+
+               // Add contact instance only once
+               this.uniqueAddContact(event.getUpdatedContact());
+
+               // Add email address to list
+               this.emailAddresses.add(event.getUpdatedContact().getContactEmailAddress());
        }
 
        @Override
-       public void afterUserLogin (@Observes final UserLoggedInEvent event) {
-               // Trace message
-               //* NOISY-DEBUG: */ System.out.println(MessageFormat.format("ContactWebBean:afterUserLogin: event={0} - CALLED!", event)); //NOI18N
+       public void afterUserConfirmedAccountEventEvent (@Observes final ObservableUserConfirmedAccountEvent event) {
+               // event should not be null
+               if (null == event) {
+                       // Throw NPE
+                       throw new NullPointerException("event is null"); //NOI18N
+               } else if (event.getConfirmedUser() == null) {
+                       // Throw NPE again
+                       throw new NullPointerException("event.confirmedUser is null"); //NOI18N
+               } else if (event.getConfirmedUser().getUserId() == null) {
+                       // userId is null
+                       throw new NullPointerException("event.confirmedUser.userId is null"); //NOI18N
+               } else if (event.getConfirmedUser().getUserId() < 1) {
+                       // Not avalid id
+                       throw new IllegalArgumentException(MessageFormat.format("userId of user={0} is not valid: {1}", event.getConfirmedUser(), event.getConfirmedUser().getUserId())); //NOI18N
+               }
+
+               // Add contact instance only once
+               this.uniqueAddContact(event.getConfirmedUser().getUserContact());
+       }
 
+       @Override
+       public void afterUserLoginEvent (@Observes final ObservableUserLoggedInEvent event) {
                // event should not be null
                if (null == event) {
                        // Throw NPE
                        throw new NullPointerException("event is null"); //NOI18N
                } else if (event.getLoggedInUser() == null) {
                        // Throw NPE again
-                       throw new NullPointerException("event.user is null"); //NOI18N
+                       throw new NullPointerException("event.loggedInUser is null"); //NOI18N
                } else if (event.getLoggedInUser().getUserId() == null) {
                        // userId is null
-                       throw new NullPointerException("event.user.userId is null"); //NOI18N
+                       throw new NullPointerException("event.loggedInUser.userId is null"); //NOI18N
                } else if (event.getLoggedInUser().getUserId() < 1) {
                        // Not avalid id
                        throw new IllegalArgumentException(MessageFormat.format("userId of user={0} is not valid: {1}", event.getLoggedInUser(), event.getLoggedInUser().getUserId())); //NOI18N
@@ -375,19 +491,46 @@ public class JobsContactWebSessionBean implements JobsContactWebSessionControlle
 
                // Copy all data to this bean
                this.copyContact(event.getLoggedInUser().getUserContact());
+       }
 
-               // Trace message
-               //* NOISY-DEBUG: */ System.out.println("ContactWebBean:afterUserLogin - EXIT!"); //NOI18N
+       @Override
+       public void afterUserRegistrationEvent (@Observes final ObservableUserRegisteredEvent event) {
+               // event should not be null
+               if (null == event) {
+                       // Throw NPE
+                       throw new NullPointerException("event is null"); //NOI18N
+               } else if (event.getRegisteredUser() == null) {
+                       // Throw NPE again
+                       throw new NullPointerException("event.registeredUser is null"); //NOI18N
+               } else if (event.getRegisteredUser().getUserId() == null) {
+                       // userId is null
+                       throw new NullPointerException("event.registeredUser.userId is null"); //NOI18N
+               } else if (event.getRegisteredUser().getUserId() < 1) {
+                       // Not avalid id
+                       throw new IllegalArgumentException(MessageFormat.format("userId of user={0} is not valid: {1}", event.getRegisteredUser(), event.getRegisteredUser().getUserId())); //NOI18N
+               }
+
+               // Get user instance
+               Contact registeredContact = event.getRegisteredUser().getUserContact();
+
+               // Copy all data from registered->user
+               this.copyContact(registeredContact);
+
+               // Add user name and email address
+               this.addUserNameEmailAddress(registeredContact);
+
+               // Clear all data
+               this.clear();
        }
 
        @Override
        @SuppressWarnings ("ReturnOfCollectionOrArrayField")
        public List<Contact> allContacts () {
                // Debug message
-               /* NOISY-DEBUG: */ System.out.println(MessageFormat.format("ContactController.allContacts: contactList.size()={0} - EXIT!", this.contactList.size()));
+               //* NOISY-DEBUG: */ System.out.println(MessageFormat.format("ContactController.allContacts: contactList.size()={0} - EXIT!", this.contactList.size()));
 
                // Return un-modified list
-               return this.contactList;
+               return this.contacts;
        }
 
        @Override
@@ -401,21 +544,16 @@ public class JobsContactWebSessionBean implements JobsContactWebSessionControlle
                        throw new FaceletException(new IllegalArgumentException("Not all personal data is set, but createContactInstance() is called.")); //NOI18N
                }
 
-               // Required personal data must be set
-               assert (this.isRequiredPersonalDataSet()) : "not all personal data is set"; //NOI18N
-
-               // Create new contact instance
-               Contact localContact = new UserContact();
-
                // Generate phone number
-               DialableLandLineNumber phone = new LandLineNumber(this.getPhoneCountry(), this.getPhoneAreaCode(), this.getPhoneNumber());
-               DialableCellphoneNumber cellphone = new CellphoneNumber(this.getCellphoneCarrier(), this.getCellphoneNumber());
+               DialableLandLineNumber phone = new LandLineNumber(this.getLandLineCountry(), this.getLandLineAreaCode(), this.getLandLineNumber());
+               DialableMobileNumber mobile = new MobileNumber(this.getMobileProvider(), this.getMobileNumber());
                DialableFaxNumber fax = new FaxNumber(this.getFaxCountry(), this.getFaxAreaCode(), this.getFaxNumber());
 
                // Create new contact
                Contact contact = new UserContact(this.getGender(), this.getFirstName(), this.getFamilyName());
                contact.setContactStreet(this.getStreet());
                contact.setContactHouseNumber(this.getHouseNumber());
+               contact.setContactHouseNumberExtension(this.getHouseNumberExtension());
                contact.setContactZipCode(this.getZipCode());
                contact.setContactCity(this.getCity());
                contact.setContactCountry(this.getCountry());
@@ -426,7 +564,7 @@ public class JobsContactWebSessionBean implements JobsContactWebSessionControlle
                // Debug message
                //* NOISY-DEBUG: */ System.out.println(MessageFormat.format("{0}.createContactInstance: this.emailAddress={1}", this.getClass().getSimpleName(), this.getEmailAddress()));
                // Don't set null or wrong references
-               if ((phone instanceof DialableLandLineNumber) && (phone.getPhoneCountry() instanceof Country) && (this.getPhoneAreaCode() != null) && (this.getPhoneNumber() != null) && (this.getPhoneAreaCode() > 0) && (this.getPhoneNumber() > 0)) {
+               if ((phone instanceof DialableLandLineNumber) && (phone.getPhoneCountry() instanceof Country) && (this.getLandLineAreaCode() != null) && (this.getLandLineNumber() != null) && (this.getLandLineAreaCode() > 0) && (this.getLandLineNumber() > 0)) {
                        // Now the number must be given
                        if (phone.getPhoneAreaCode() == null) {
                                // Is null
@@ -468,25 +606,24 @@ public class JobsContactWebSessionBean implements JobsContactWebSessionControlle
                }
 
                // Is the provider set?
-               if ((cellphone instanceof DialableCellphoneNumber) && (this.getCellphoneCarrier() instanceof MobileProvider) && (this.getCellphoneNumber() != null) && (this.getCellphoneNumber() > 0)) {
+               if ((mobile instanceof DialableMobileNumber) && (this.getMobileProvider() instanceof MobileProvider) && (this.getMobileNumber() != null) && (this.getMobileNumber() > 0)) {
                        // Is the number set?
-                       if (cellphone.getPhoneNumber() == null) {
+                       if (mobile.getPhoneNumber() == null) {
                                // Is null
-                               throw new NullPointerException("cellphone.phoneNumber is null"); //NOI18N
-                       } else if (cellphone.getPhoneNumber() < 1) {
+                               throw new NullPointerException("mobileNumber.phoneNumber is null"); //NOI18N
+                       } else if (mobile.getPhoneNumber() < 1) {
                                // Abort here
-                               throw new IllegalArgumentException("cellphone.phoneNumber is zero or below."); //NOI18N
+                               throw new IllegalArgumentException("mobileNumber.phoneNumber is zero or below."); //NOI18N
                        }
 
-                       // Set cellphone number
-                       contact.setContactCellphoneNumber(cellphone);
+                       // Set mobile number
+                       contact.setContactMobileNumber(mobile);
                }
 
                // Trace message
                //* NOISY-DEBUG: */ System.out.println(MessageFormat.format("{0}.createContactInstance: contact={1} - EXIT!", this.getClass().getSimpleName(), contact));
-
                // Return it
-               return localContact;
+               return contact;
        }
 
        @Override
@@ -500,7 +637,8 @@ public class JobsContactWebSessionBean implements JobsContactWebSessionControlle
                        throw new FaceletException("Not all required fields are set."); //NOI18N
                } else if (!this.userLoginController.ifCurrentPasswordMatches()) {
                        // Password not matching
-                       throw new FaceletException(new UserPasswordMismatchException(this.userLoginController.getLoggedInUser()));
+                       this.showFacesMessage("form_login_change_personal:currentPassword", "ERROR_USER_CURRENT_PASSWORD_MISMATCHING"); //NOI18N
+                       return ""; //NOI18N
                }
 
                // Get contact instance
@@ -517,24 +655,25 @@ public class JobsContactWebSessionBean implements JobsContactWebSessionControlle
                contact.setContactFamilyName(this.getFamilyName());
                contact.setContactStreet(this.getStreet());
                contact.setContactHouseNumber(this.getHouseNumber());
+               contact.setContactHouseNumberExtension(this.getHouseNumberExtension());
                contact.setContactZipCode(this.getZipCode());
                contact.setContactCity(this.getCity());
                contact.setContactCountry(this.getCountry());
 
-               // Update contact's cellphone number
-               this.isCellphoneUnlinked = ContactUtils.updateCellPhoneNumber(contact, this.getCellphoneCarrier(), this.getCellphoneNumber());
+               // Update contact's mobile number
+               this.isMobileUnlinked = ContactUtils.updateMobileNumber(contact, this.getMobileProvider(), this.getMobileNumber());
 
                // Update contact's land-line number
-               this.isLandLineUnlinked = ContactUtils.updateLandLineNumber(contact, this.getPhoneCountry(), this.getPhoneAreaCode(), this.getPhoneNumber());
+               this.isLandLineUnlinked = ContactUtils.updateLandLineNumber(contact, this.getLandLineCountry(), this.getLandLineAreaCode(), this.getLandLineNumber());
 
                // Update contact's fax number
                this.isFaxUnlinked = ContactUtils.updateFaxNumber(contact, this.getFaxCountry(), this.getFaxAreaCode(), this.getFaxNumber());
 
                // Send it to the EJB
-               this.contactBean.updateContactData(contact, this.isCellphoneUnlinked, this.isLandLineUnlinked, this.isFaxUnlinked);
+               this.contactBean.updateContactData(contact, this.isMobileUnlinked, this.isLandLineUnlinked, this.isFaxUnlinked);
 
                // All fine
-               return "contact_data_saved"; //NOI18N
+               return "user_contact_data_saved"; //NOI18N
        }
 
        @Override
@@ -549,26 +688,6 @@ public class JobsContactWebSessionBean implements JobsContactWebSessionControlle
                this.birthday = birthday;
        }
 
-       @Override
-       public MobileProvider getCellphoneCarrier () {
-               return this.cellphoneCarrier;
-       }
-
-       @Override
-       public void setCellphoneCarrier (final MobileProvider cellphoneCarrier) {
-               this.cellphoneCarrier = cellphoneCarrier;
-       }
-
-       @Override
-       public Long getCellphoneNumber () {
-               return this.cellphoneNumber;
-       }
-
-       @Override
-       public void setCellphoneNumber (Long cellphoneNumber) {
-               this.cellphoneNumber = cellphoneNumber;
-       }
-
        @Override
        public String getCity () {
                return this.city;
@@ -589,6 +708,17 @@ public class JobsContactWebSessionBean implements JobsContactWebSessionControlle
                this.comment = comment;
        }
 
+       @Override
+       public String getControllerType () {
+               return "general"; //NOI18N
+       }
+
+       @Override
+       @Deprecated
+       public void setControllerType (final String controllerType) {
+               throw new UnsupportedOperationException("Setting controller type is not supported."); //NOI18N
+       }
+
        @Override
        public Country getCountry () {
                return this.country;
@@ -690,33 +820,63 @@ public class JobsContactWebSessionBean implements JobsContactWebSessionControlle
        }
 
        @Override
-       public Integer getPhoneAreaCode () {
-               return this.phoneAreaCode;
+       public String getHouseNumberExtension () {
+               return this.houseNumberExtension;
+       }
+
+       @Override
+       public void setHouseNumberExtension (final String houseNumberExtension) {
+               this.houseNumberExtension = houseNumberExtension;
+       }
+
+       @Override
+       public Integer getLandLineAreaCode () {
+               return this.landLineAreaCode;
+       }
+
+       @Override
+       public void setLandLineAreaCode (final Integer landLineAreaCode) {
+               this.landLineAreaCode = landLineAreaCode;
+       }
+
+       @Override
+       public Country getLandLineCountry () {
+               return this.landLineCountry;
+       }
+
+       @Override
+       public void setLandLineCountry (final Country landLineCountry) {
+               this.landLineCountry = landLineCountry;
+       }
+
+       @Override
+       public Long getLandLineNumber () {
+               return this.landLineNumber;
        }
 
        @Override
-       public void setPhoneAreaCode (final Integer phoneAreaCode) {
-               this.phoneAreaCode = phoneAreaCode;
+       public void setLandLineNumber (final Long landLineNumber) {
+               this.landLineNumber = landLineNumber;
        }
 
        @Override
-       public Country getPhoneCountry () {
-               return this.phoneCountry;
+       public Long getMobileNumber () {
+               return this.mobileNumber;
        }
 
        @Override
-       public void setPhoneCountry (final Country phoneCountry) {
-               this.phoneCountry = phoneCountry;
+       public void setMobileNumber (Long mobileNumber) {
+               this.mobileNumber = mobileNumber;
        }
 
        @Override
-       public Long getPhoneNumber () {
-               return this.phoneNumber;
+       public MobileProvider getMobileProvider () {
+               return this.mobileProvider;
        }
 
        @Override
-       public void setPhoneNumber (final Long phoneNumber) {
-               this.phoneNumber = phoneNumber;
+       public void setMobileProvider (final MobileProvider mobileProvider) {
+               this.mobileProvider = mobileProvider;
        }
 
        @Override
@@ -729,6 +889,16 @@ public class JobsContactWebSessionBean implements JobsContactWebSessionControlle
                this.street = street;
        }
 
+       @Override
+       public String getTitle () {
+               return this.title;
+       }
+
+       @Override
+       public void setTitle (final String title) {
+               this.title = title;
+       }
+
        @Override
        public Integer getZipCode () {
                return this.zipCode;
@@ -739,26 +909,68 @@ public class JobsContactWebSessionBean implements JobsContactWebSessionControlle
                this.zipCode = zipCode;
        }
 
-       @Override
-       public boolean hasContacts () {
-               return (!this.allContacts().isEmpty());
-       }
-
        /**
         * Post-initialization of this class
         */
        @PostConstruct
        public void init () {
                // Get full email address list for reducing EJB calls
-               this.emailAddressList = this.contactBean.getEmailAddressList();
+               this.emailAddresses.addAll(this.contactBean.getEmailAddressList());
+
+               // Get all contacts
+               List<Contact> allContacts = this.contactBean.getAllContacts();
 
                // Get full contact list
-               this.contactList = this.contactBean.getAllContacts();
+               this.contacts.addAll(allContacts);
+
+               // Get all users
+               List<User> allUsers = this.userController.allUsers();
+
+               // Get iterator
+               Iterator<Contact> iterator = allContacts.iterator();
+
+               // Loop through it
+               while (iterator.hasNext()) {
+                       // Get next element
+                       Contact next = iterator.next();
+
+                       // Get iterator
+                       Iterator<User> userIterator = allUsers.iterator();
+
+                       // Loop through all users
+                       while (userIterator.hasNext()) {
+                               // Get user instance
+                               User nextUser = userIterator.next();
+
+                               // Is contact same?
+                               if (Objects.equals(next, nextUser.getUserContact())) {
+                                       // Found same
+                                       iterator.remove();
+                                       break;
+                               }
+                       }
+               }
+
+               // Set contact list
+               this.selectableContacts = allContacts;
        }
 
        @Override
        public boolean isEmailAddressRegistered (final Contact contact) {
-               return ((this.emailAddressList instanceof List) && (this.emailAddressList.contains(contact.getContactEmailAddress())));
+               // Cherck parameter
+               if (null == contact) {
+                       // Throw NPE
+                       throw new NullPointerException("contact is null"); //NOI18N
+               } else if (contact.getContactEmailAddress() == null) {
+                       // Throw again
+                       throw new NullPointerException("contact.contactEmailAddress is null"); //NOI18N
+               } else if (contact.getContactEmailAddress().isEmpty()) {
+                       // Is empty
+                       throw new IllegalArgumentException("contact.contactEmailAddress is empty."); //NOI18N
+               }
+
+               // Determine it
+               return ((this.emailAddresses instanceof List) && (this.emailAddresses.contains(contact.getContactEmailAddress())));
        }
 
        @Override
@@ -799,7 +1011,7 @@ public class JobsContactWebSessionBean implements JobsContactWebSessionControlle
                this.clear();
 
                // Try to lookup it in visible user list
-               for (final Iterator<Contact> iterator = this.contactList.iterator(); iterator.hasNext();) {
+               for (final Iterator<Contact> iterator = this.contacts.iterator(); iterator.hasNext();) {
                        // Get next user
                        Contact next = iterator.next();
 
@@ -824,6 +1036,35 @@ public class JobsContactWebSessionBean implements JobsContactWebSessionControlle
                return localContact;
        }
 
+       @Override
+       public void removeMobileNumberFromListEvent (@Observes final AdminRemoveMobileNumberFromListEvent event) {
+               // event should not be null
+               if (null == event) {
+                       // Throw NPE
+                       throw new NullPointerException("event is null"); //NOI18N
+               } else if (event.getMobileNumberList() == null) {
+                       // Throw NPE again
+                       throw new NullPointerException("event.mobileList is null"); //NOI18N
+               } else if (event.getMobileNumberList().isEmpty()) {
+                       // List is empty, no need to check
+                       return;
+               }
+
+               // Check all entries
+               for (final Contact contact : this.contacts) {
+                       // Is the mobile instance set and in list?
+                       if ((contact.getContactMobileNumber() instanceof DialableMobileNumber) && (event.getMobileNumberList().contains(contact.getContactMobileNumber()))) {
+                               // Found it, so remvoe it from list
+                               event.getMobileNumberList().remove(contact.getContactMobileNumber());
+                       }
+               }
+       }
+
+       @Override
+       public List<Contact> selectableContacts () {
+               return Collections.unmodifiableList(this.selectableContacts);
+       }
+
        @Override
        public void updateContactDataFromController (final Contact contact) {
                // Is the instance valid?
@@ -849,13 +1090,13 @@ public class JobsContactWebSessionBean implements JobsContactWebSessionControlle
         */
        private void addUserNameEmailAddress (final Contact contact) {
                // Make sure the entry is not added yet
-               if (this.emailAddressList.contains(contact.getContactEmailAddress())) {
+               if (this.emailAddresses.contains(contact.getContactEmailAddress())) {
                        // Already added
                        throw new IllegalArgumentException(MessageFormat.format("Email address {0} already added.", contact.getContactEmailAddress())); //NOI18N
                }
 
                // Add email addres
-               this.emailAddressList.add(contact.getContactEmailAddress());
+               this.emailAddresses.add(contact.getContactEmailAddress());
        }
 
        /**
@@ -864,11 +1105,13 @@ public class JobsContactWebSessionBean implements JobsContactWebSessionControlle
        private void clear () {
                // Clear all data
                // - personal data
-               this.setGender(Gender.UNKNOWN);
+               this.setGender(null);
+               this.setTitle(null);
                this.setFirstName(null);
                this.setFamilyName(null);
                this.setStreet(null);
                this.setHouseNumber(null);
+               this.setHouseNumberExtension(null);
                this.setZipCode(null);
                this.setCity(null);
                this.setCountry(null);
@@ -876,9 +1119,14 @@ public class JobsContactWebSessionBean implements JobsContactWebSessionControlle
                // - contact data
                this.setEmailAddress(null);
                this.setEmailAddressRepeat(null);
-               this.setPhoneAreaCode(null);
-               this.setCellphoneCarrier(null);
+               this.setLandLineAreaCode(null);
+               this.setLandLineCountry(null);
+               this.setLandLineNumber(null);
+               this.setMobileProvider(null);
+               this.setMobileNumber(null);
                this.setFaxAreaCode(null);
+               this.setFaxCountry(null);
+               this.setFaxNumber(null);
 
                // - other data
                this.setBirthday(null);
@@ -906,10 +1154,12 @@ public class JobsContactWebSessionBean implements JobsContactWebSessionControlle
                // Copy all fields:
                // - base data
                this.setGender(contact.getContactGender());
+               this.setTitle(contact.getContactTitle());
                this.setFirstName(contact.getContactFirstName());
                this.setFamilyName(contact.getContactFamilyName());
                this.setStreet(contact.getContactStreet());
                this.setHouseNumber(contact.getContactHouseNumber());
+               this.setHouseNumberExtension(contact.getContactHouseNumberExtension());
                this.setZipCode(contact.getContactZipCode());
                this.setCity(contact.getContactCity());
                this.setCountry(contact.getContactCountry());
@@ -917,21 +1167,21 @@ public class JobsContactWebSessionBean implements JobsContactWebSessionControlle
                this.setBirthday(contact.getContactBirthday());
                this.setComment(contact.getContactComment());
 
-               // Get cellphone, phone and fax instance
-               DialableCellphoneNumber cellphone = contact.getContactCellphoneNumber();
+               // Get mobile, phone and fax instance
+               DialableMobileNumber mobile = contact.getContactMobileNumber();
                DialableFaxNumber fax = contact.getContactFaxNumber();
                DialableLandLineNumber phone = contact.getContactLandLineNumber();
 
                // - contact data
                if ((phone instanceof DialableLandLineNumber) && (phone.getPhoneAreaCode() > 0)) {
-                       this.setPhoneCountry(phone.getPhoneCountry());
-                       this.setPhoneAreaCode(phone.getPhoneAreaCode());
-                       this.setPhoneNumber(phone.getPhoneNumber());
+                       this.setLandLineCountry(phone.getPhoneCountry());
+                       this.setLandLineAreaCode(phone.getPhoneAreaCode());
+                       this.setLandLineNumber(phone.getPhoneNumber());
                }
 
-               if ((cellphone instanceof DialableCellphoneNumber) && (cellphone.getCellphoneProvider() instanceof MobileProvider)) {
-                       this.setCellphoneCarrier(cellphone.getCellphoneProvider());
-                       this.setCellphoneNumber(cellphone.getPhoneNumber());
+               if ((mobile instanceof DialableMobileNumber) && (mobile.getMobileProvider() instanceof MobileProvider)) {
+                       this.setMobileProvider(mobile.getMobileProvider());
+                       this.setMobileNumber(mobile.getPhoneNumber());
                }
 
                if ((fax instanceof DialableFaxNumber) && (fax.getPhoneAreaCode() > 0)) {
@@ -960,13 +1210,163 @@ public class JobsContactWebSessionBean implements JobsContactWebSessionControlle
                }
 
                // Remove from general list
-               if (!this.contactList.remove(contact)) {
+               if (!this.contacts.remove(contact)) {
                        // Did not remove contact
                        throw new IllegalStateException(MessageFormat.format("contact {0} was not removed.", contact.getContactId())); //NOI18N
                }
 
                // Remove from other lists
-               this.emailAddressList.remove(contact.getContactEmailAddress());
+               this.emailAddresses.remove(contact.getContactEmailAddress());
+       }
+
+       /**
+        * Removes given fax number from all contacts
+        * <p>
+        * @param faxNumber Fax number to remove
+        */
+       private void removeFromContacts (final DialableFaxNumber faxNumber) {
+               // Log message
+               System.out.println(MessageFormat.format("{0}.removeFromContacts: faxNumber={1} - CALLED!", this.getClass().getSimpleName(), faxNumber)); //NOI18N
+
+               // Is it valid?
+               if (null == faxNumber) {
+                       // Throw NPE
+                       throw new NullPointerException("faxNumber is null"); //NOI18N
+               } else if (faxNumber.getPhoneId() == null) {
+                       // Throw NPE again
+                       throw new NullPointerException("faxNumber.phoneId is null"); //NOI18N
+               } else if (faxNumber.getPhoneId() < 1) {
+                       // Throw NPE again
+                       throw new NullPointerException(MessageFormat.format("faxNumber.phoneId={0} is not valid", faxNumber.getPhoneId())); //NOI18N
+               }
+
+               // Loop through all contacts
+               for (final Contact contact : this.contacts) {
+                       // Log message
+                       System.out.println(MessageFormat.format("{0}.removeFromContacts: contact={1},contact.contactFaxNumber={2}", this.getClass().getSimpleName(), contact, contact.getContactFaxNumber())); //NOI18N
+
+                       // Is the number set?
+                       if (Objects.equals(contact.getContactFaxNumber(), faxNumber)) {
+                               // Log message
+                               System.out.println(MessageFormat.format("{0}.removeFromContacts: Unsetting faxNumber={1} ...", this.getClass().getSimpleName(), faxNumber)); //NOI18N
+
+                               // Found it
+                               contact.setContactFaxNumber(null);
+                       }
+               }
+       }
+
+       /**
+        * Removes given land-line number from all contacts
+        * <p>
+        * @param landLineNumber Land-line number to remove
+        */
+       private void removeFromContacts (final DialableLandLineNumber landLineNumber) {
+               // Log message
+               System.out.println(MessageFormat.format("{0}.removeFromContacts: landLineNumber={1} - CALLED!", this.getClass().getSimpleName(), landLineNumber)); //NOI18N
+
+               // Is it valid?
+               if (null == landLineNumber) {
+                       // Throw NPE
+                       throw new NullPointerException("landLineNumber is null"); //NOI18N
+               } else if (landLineNumber.getPhoneId() == null) {
+                       // Throw NPE again
+                       throw new NullPointerException("landLineNumber.phoneId is null"); //NOI18N
+               } else if (landLineNumber.getPhoneId() < 1) {
+                       // Throw NPE again
+                       throw new NullPointerException(MessageFormat.format("landLineNumber.phoneId={0} is not valid", landLineNumber.getPhoneId())); //NOI18N
+               }
+
+               // Loop through all contacts
+               for (final Contact contact : this.contacts) {
+                       // Log message
+                       System.out.println(MessageFormat.format("{0}.removeFromContacts: contact={1},contact.contactLandLineNumber={2}", this.getClass().getSimpleName(), contact, contact.getContactLandLineNumber())); //NOI18N
+
+                       // Is the number set?
+                       if (Objects.equals(contact.getContactLandLineNumber(), landLineNumber)) {
+                               // Log message
+                               System.out.println(MessageFormat.format("{0}.removeFromContacts: Unsetting landLineNumber={1} ...", this.getClass().getSimpleName(), landLineNumber)); //NOI18N
+
+                               // Found it
+                               contact.setContactLandLineNumber(null);
+                       }
+               }
+       }
+
+       /**
+        * Removes given mobile number from all contacts
+        * <p>
+        * @param mobileNumber Mobile number to remove
+        */
+       private void removeFromContacts (final DialableMobileNumber mobileNumber) {
+               // Log message
+               System.out.println(MessageFormat.format("{0}.removeFromContacts: mobileNumber={1} - CALLED!", this.getClass().getSimpleName(), mobileNumber)); //NOI18N
+
+               // Is it valid?
+               if (null == mobileNumber) {
+                       // Throw NPE
+                       throw new NullPointerException("mobileNumber is null"); //NOI18N
+               } else if (mobileNumber.getPhoneId() == null) {
+                       // Throw NPE again
+                       throw new NullPointerException("mobileNumber.phoneId is null"); //NOI18N
+               } else if (mobileNumber.getPhoneId() < 1) {
+                       // Throw NPE again
+                       throw new NullPointerException(MessageFormat.format("mobileNumber.phoneId={0} is not valid", mobileNumber.getPhoneId())); //NOI18N
+               }
+
+               // Loop through all contacts
+               for (final Contact contact : this.contacts) {
+                       // Log message
+                       System.out.println(MessageFormat.format("{0}.removeFromContacts: contact={1},contact.contactMobileNumber={2}", this.getClass().getSimpleName(), contact, contact.getContactMobileNumber())); //NOI18N
+
+                       // Is the number set?
+                       if (Objects.equals(contact.getContactMobileNumber(), mobileNumber)) {
+                               // Log message
+                               System.out.println(MessageFormat.format("{0}.removeFromContacts: Unsetting mobileNumber={1} ...", this.getClass().getSimpleName(), mobileNumber)); //NOI18N
+
+                               // Unset it
+                               contact.setContactMobileNumber(null);
+                       }
+               }
+       }
+
+       /**
+        * Adds unique instance to contact list. First any existing instance is
+        * being removed, then the new instance is added.
+        * <p>
+        * @param contact Contact instance to add uniquely
+        */
+       private void uniqueAddContact (final Contact contact) {
+               // Is the instance valid?
+               if (null == contact) {
+                       // Throw NPE
+                       throw new NullPointerException("contact is null"); //NOI18N
+               } else if (contact.getContactId() == null) {
+                       // Throw NPE
+                       throw new NullPointerException("contact.contactId is null"); //NOI18N
+               } else if (contact.getContactId() < 1) {
+                       // Not valid id number
+                       throw new IllegalArgumentException(MessageFormat.format("contact.contactId={0} is not valid.", contact.getContactId())); //NOI18N
+               }
+
+               // Get iterator from list
+               Iterator<Contact> iterator = this.contacts.iterator();
+
+               // "Walk" through all entries
+               while (iterator.hasNext()) {
+                       // Get next element
+                       Contact next = iterator.next();
+
+                       // Is id number the same?
+                       if (Objects.equals(contact.getContactId(), next.getContactId())) {
+                               // Found entry, so remove it and abort
+                               this.removeContact(next);
+                               break;
+                       }
+               }
+
+               // Add contact to list
+               this.contacts.add(contact);
        }
 
 }