2 * Copyright (C) 2016 Roland Haeder
4 * This program is free software: you can redistribute it and/or modify
5 * it under the terms of the GNU Affero General Public License as
6 * published by the Free Software Foundation, either version 3 of the
7 * License, or (at your option) any later version.
9 * This program is distributed in the hope that it will be useful,
10 * but WITHOUT ANY WARRANTY; without even the implied warranty of
11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12 * GNU Affero General Public License for more details.
14 * You should have received a copy of the GNU Affero General Public License
15 * along with this program. If not, see <http://www.gnu.org/licenses/>.
17 package org.mxchange.addressbook.beans.addressbook;
19 import java.text.MessageFormat;
20 import java.util.Calendar;
21 import java.util.Collections;
22 import java.util.LinkedList;
23 import java.util.List;
24 import java.util.Objects;
25 import java.util.concurrent.ConcurrentHashMap;
26 import java.util.concurrent.ConcurrentMap;
27 import javax.annotation.PostConstruct;
28 import javax.enterprise.context.SessionScoped;
29 import javax.enterprise.event.Event;
30 import javax.enterprise.event.Observes;
31 import javax.enterprise.inject.Any;
32 import javax.faces.view.facelets.FaceletException;
33 import javax.inject.Inject;
34 import javax.inject.Named;
35 import javax.naming.Context;
36 import javax.naming.InitialContext;
37 import javax.naming.NamingException;
38 import org.mxchange.addressbook.beans.login.AddressbookUserLoginWebSessionController;
39 import org.mxchange.addressbook.model.addressbook.AddressbookSessionBeanRemote;
40 import org.mxchange.jaddressbookcore.events.addressbook.AddressbookLoadedEvent;
41 import org.mxchange.jaddressbookcore.events.addressbook.LoadedAddressbookEvent;
42 import org.mxchange.jaddressbookcore.exceptions.AddressbookNameAlreadyUsedException;
43 import org.mxchange.jaddressbookcore.exceptions.AddressbookNotFoundException;
44 import org.mxchange.jaddressbookcore.model.addressbook.Addressbook;
45 import org.mxchange.jaddressbookcore.model.addressbook.UserAddressbook;
46 import org.mxchange.jaddressbookcore.model.addressbook.entry.AddressbookEntry;
47 import org.mxchange.jusercore.events.login.UserLoggedInEvent;
48 import org.mxchange.jusercore.model.user.User;
51 * An address book bean (controller)
53 * @author Roland Haeder<roland@mxchange.org>
55 @Named ("addressbookController")
57 public class AddressbookWebSessionBean implements AddressbookWebSessionController {
60 * Map for count of user's shared addresses
62 private static ConcurrentMap<User, Integer> countSharesList;
67 private static final long serialVersionUID = 185_781_756_712_969L;
70 * Address book instance
72 private Addressbook addressbook;
75 * Remote address book bean
77 private AddressbookSessionBeanRemote addressbookBean;
80 * When this address book has been created
82 private Calendar addressbookCreated;
85 * Address book id number (from URL for example)
87 private Long addressbookId;
90 * Name of the address book
92 private String addressbookName;
95 * Who owns this address book
97 private User addressbookUser;
100 * Event fired when user has logged in
104 private Event<AddressbookLoadedEvent> loadedEvent;
110 private AddressbookUserLoginWebSessionController loginController;
113 * A list of all user's address books
115 private List<Addressbook> usersAddressbooks;
118 * Default constructor
120 public AddressbookWebSessionBean () {
123 // Get initial context
124 Context context = new InitialContext();
127 this.addressbookBean = (AddressbookSessionBeanRemote) context.lookup("java:global/addressbook-ejb/addressbook!org.mxchange.addressbook.model.addressbook.AddressbookSessionBeanRemote"); //NOI18N
128 } catch (final NamingException e) {
130 throw new FaceletException(e);
134 AddressbookWebSessionBean.countSharesList = new ConcurrentHashMap<>(0);
138 public String addAddressbook () {
139 // Is this name already used?
140 if (!this.loginController.isUserLoggedIn()) {
142 throw new FaceletException("This method can only be called as logged-in user."); //NOI18N
143 } else if (this.getAddressbookName() == null) {
144 // Address book name is null
145 throw new NullPointerException("addressbookName is null"); //NOI18N
146 } else if (this.getAddressbookName().isEmpty()) {
147 // Address book name is empty
148 throw new IllegalStateException("addressbookName is empty."); //NOI18N
149 } else if (this.isAddressbookNameUsed(this.getAddressbookName())) {
150 // Already used by this user
151 throw new FaceletException(MessageFormat.format("Address book name {0} already used.", this.getAddressbookName())); //NOI18N
154 // Create address book instance with name
155 Addressbook book = new UserAddressbook(this.getAddressbookName(), this.loginController.getLoggedInUser());
158 // Register this address book
159 Addressbook updatedAddressbook = this.addressbookBean.createAddressbook(book);
162 this.setAddressbookName(null);
164 // Add address book entry to list
165 this.usersAddressbooks.add(updatedAddressbook);
168 return "login_own_addressbooks"; //NOI18N
169 } catch (final AddressbookNameAlreadyUsedException ex) {
170 // Throw again as cause
171 throw new FaceletException(ex);
176 public void afterAddressbookLoadedEvent (final @Observes AddressbookLoadedEvent event) {
177 // event should not be null
180 throw new NullPointerException("event is null"); //NOI18N
181 } else if (event.getAddressbook() == null) {
183 throw new NullPointerException("event.addressbook is null"); //NOI18N
184 } else if (event.getAddressbook().getAddressbookId() == null) {
186 throw new NullPointerException("event.addressbook.addressbookId is null"); //NOI18N
187 } else if (event.getAddressbook().getAddressbookId() < 1) {
189 throw new IllegalArgumentException(MessageFormat.format("Address book instance {0} has invalid id number: {1}", event.getAddressbook(), event.getAddressbook().getAddressbookId())); //NOI18N
190 } else if (event.getAddressbook().getAddressbookUser() == null) {
192 throw new NullPointerException("event.addressbook.addressbookUser is null"); //NOI18N
195 // Get address book instance
196 Addressbook book = event.getAddressbook();
198 // Set address book data
199 this.setAddressbookId(book.getAddressbookId());
200 this.setAddressbookName(book.getAddressbookName());
201 this.setAddressbookUser(book.getAddressbookUser());
202 this.setAddressbookCreated(book.getAddressbookCreated());
205 this.setAddressbook(book);
209 public void afterLoginEvent (final @Observes UserLoggedInEvent event) {
210 // Is the user logged in?
213 throw new NullPointerException("event is null"); //NOI18N
214 } else if (event.getLoggedInUser()== null) {
216 throw new NullPointerException("event.user is null"); //NOI18N
217 } else if (!event.getLoggedInUser().equals(this.loginController.getLoggedInUser())) {
219 throw new IllegalStateException("event.user and loginController.loggedInUser don't match."); //NOI18N
220 } else if (!this.loginController.isUserLoggedIn()) {
222 throw new FaceletException("This method can only be called as logged-in user."); //NOI18N
225 // Init user's address book list
226 this.initAddressbookList();
230 public List<Addressbook> allAddressbooks () {
231 // Is the user logged in?
232 if (!this.loginController.isUserLoggedIn()) {
234 throw new FaceletException("This method can only be called as logged-in user."); //NOI18N
237 return Collections.unmodifiableList(this.usersAddressbooks);
241 public List<AddressbookEntry> allEntries (final Addressbook addressbook) {
242 // Is the user logged in?
243 if (!this.loginController.isUserLoggedIn()) {
245 throw new FaceletException("This method can only be called as logged-in user."); //NOI18N
249 return this.addressbookBean.allEntries(addressbook);
253 public int allEntriesSize (final Addressbook addressbook) {
255 return this.allEntries(addressbook).size();
259 public List<User> allUsersNotSharing () {
260 // Is the user logged in?
261 if (!this.loginController.isUserLoggedIn()) {
263 throw new FaceletException("This method can only be called as logged-in user."); //NOI18N
267 return this.addressbookBean.allUsersNotSharing(this.loginController.getLoggedInUser(), this.getAddressbook());
271 public Integer countAllUserSharedAddressbooks (final User user) {
273 if (AddressbookWebSessionBean.countSharesList.containsKey(user)) {
275 return AddressbookWebSessionBean.countSharesList.get(user);
278 // Call EJB ("expensive")
279 Integer count = this.addressbookBean.countAllUserSharedAddressbooks(user);
282 AddressbookWebSessionBean.countSharesList.put(user, count);
289 public Addressbook getAddressbook () {
290 return this.addressbook;
294 public void setAddressbook (final Addressbook addressbook) {
295 this.addressbook = addressbook;
299 public Calendar getAddressbookCreated () {
300 return this.addressbookCreated;
304 public void setAddressbookCreated (final Calendar addressbookCreated) {
305 this.addressbookCreated = addressbookCreated;
309 public Long getAddressbookId () {
310 return this.addressbookId;
314 public void setAddressbookId (final Long addressbookId) {
315 this.addressbookId = addressbookId;
319 public String getAddressbookName () {
320 return this.addressbookName;
324 public void setAddressbookName (final String addressbookName) {
325 this.addressbookName = addressbookName;
329 public User getAddressbookUser () {
330 return this.addressbookUser;
334 public void setAddressbookUser (final User addressbookUser) {
335 this.addressbookUser = addressbookUser;
339 public boolean hasCreatedAddressbooks () {
340 // Is the user logged in?
341 if (!this.loginController.isUserLoggedIn()) {
343 throw new FaceletException("This method can only be called as logged-in user."); //NOI18N
346 // Check if the list is filled
347 return (!this.usersAddressbooks.isEmpty());
351 * Post-initialization of this class
354 public void init () {
356 this.usersAddressbooks = new LinkedList<>();
358 // Is the user logged-in?
359 if (this.loginController.isUserLoggedIn()) {
361 this.initAddressbookList();
364 // TODO Initialize list from bean with just one call
365 //this.addressbookBean.getUserCountMap()
369 public boolean isAddressbookLoaded () {
370 return ((this.getAddressbookId() instanceof Long) &&
371 (this.getAddressbookName() instanceof String) &&
372 (!this.getAddressbookName().isEmpty()) &&
373 (this.getAddressbookUser() instanceof User));
377 public boolean isAddressbookNameUsed (final String addressbookName) {
379 if (null == addressbookName) {
381 throw new NullPointerException("addressbookName is null"); //NOI18N
382 } else if (this.usersAddressbooks.isEmpty()) {
387 // Default is not found
388 boolean isFound = false;
391 for (final Addressbook book : this.usersAddressbooks) {
393 if (book.getAddressbookName().equals(addressbookName)) {
405 public boolean isOtherAddressbook () {
406 // Just call the other method and invert it
407 return (!this.isOwnAddressbook());
411 public boolean isOwnAddressbook () {
412 // Is the user logged in?
413 if (!this.loginController.isUserLoggedIn()) {
414 // No, then no own address book
415 throw new IllegalStateException("isOwnAddressbook() has been invoked for a guest account"); //NOI18N
419 return Objects.equals(this.getAddressbookUser(), this.loginController.getLoggedInUser());
423 public boolean loadAddressbook () {
424 // Check if the id is set
425 if (this.getAddressbookId() == null) {
427 throw new NullPointerException("this.addressbookId is null");
428 } else if (this.getAddressbookId() < 1) {
430 throw new IllegalStateException(MessageFormat.format("this.addressbook={0} is invalid", this.getAddressbookId()));
433 // Default is not found
434 boolean isFound = false;
437 // Then try to look it up
438 Addressbook a = this.addressbookBean.getAddressbookById(this.getAddressbookId());
441 this.loadedEvent.fire(new LoadedAddressbookEvent(a));
445 } catch (final AddressbookNotFoundException ex) {
447 throw new FaceletException(ex);
455 * Initializes the user user's address book list
457 private void initAddressbookList () {
459 User user = this.loginController.getLoggedInUser();
461 // Fill list with entries
462 this.usersAddressbooks = this.addressbookBean.getUsersAddressbookList(user);