src/java/org/mxchange/addressbook/beans/addressbook/AddressbookWebBean.java

   1 /*
   2  * Copyright (C) 2015 Roland Haeder
   3  *
   4  * This program is free software: you can redistribute it and/or modify
   5  * it under the terms of the GNU General Public License as published by
   6  * the Free Software Foundation, either version 3 of the License, or
   7  * (at your option) any later version.
   8  *
   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 General Public License for more details.
  13  *
  14  * You should have received a copy of the GNU General Public License
  15  * along with this program.  If not, see <http://www.gnu.org/licenses/>.
  16  */
  17 package org.mxchange.addressbook.beans.addressbook;
  18
  19 import java.util.ArrayList;
  20 import java.util.List;
  21 import javax.annotation.PostConstruct;
  22 import javax.enterprise.context.SessionScoped;
  23 import javax.faces.view.facelets.FaceletException;
  24 import javax.inject.Inject;
  25 import javax.inject.Named;
  26 import javax.naming.Context;
  27 import javax.naming.InitialContext;
  28 import javax.naming.NamingException;
  29 import org.mxchange.addressbook.beans.login.UserLoginWebController;
  30 import org.mxchange.addressbook.model.addressbook.Addressbook;
  31 import org.mxchange.addressbook.model.addressbook.AddressbookSessionBeanRemote;
  32
  33 /**
  34  * A user bean (controller)
  35  * <p>
  36  * @author Roland Haeder<roland@mxchange.org>
  37  */
  38 @Named ("addressbookController")
  39 @SessionScoped
  40 public class AddressbookWebBean implements AddressbookWebController {
  41
  42         /**
  43          * Serial number
  44          */
  45         private static final long serialVersionUID = 185_781_756_712_969L;
  46
  47         /////////////////////// Properties /////////////////////
  48         /**
  49          * A list of all user's addressbooks
  50          */
  51         private List<Addressbook> addressbookList;
  52
  53         /**
  54          * Remote addressbook bean
  55          */
  56         private final AddressbookSessionBeanRemote addressbookBean;
  57
  58         /**
  59          * Login controller
  60          */
  61         @Inject
  62         private UserLoginWebController loginController;
  63
  64         /**
  65          * Default constructor
  66          */
  67         public AddressbookWebBean () {
  68                 // Try it
  69                 try {
  70                         // Get initial context
  71                         Context context = new InitialContext();
  72
  73                         // Try to lookup
  74                         this.addressbookBean = (AddressbookSessionBeanRemote) context.lookup("ejb/stateless-addressbook"); //NOI18N
  75                 } catch (final NamingException e) {
  76                         // Throw again
  77                         throw new FaceletException(e);
  78                 }
  79         }
  80
  81         @PostConstruct
  82         public void init () {
  83                 // Init list
  84                 this.addressbookList = new ArrayList<>(0);
  85
  86                 // Is the user logged-in?
  87                 if (this.loginController.isLoggedIn()) {
  88                         // Fill list with entries
  89                         this.addressbookList = this.addressbookBean.getUsersList(this.loginController.getLoggedInUser());
  90                 }
  91         }
  92
  93         @Override
  94         public boolean hasCreatedAddressbooks () {
  95                 // Is the user logged in?
  96                 if (!this.loginController.isLoggedIn()) {
  97                         // Not logged in
  98                         throw new FaceletException("This method can only be called as logged-in user.");
  99                 }
 100
 101                 // Check if the list is filled
 102                 return (!this.addressbookList.isEmpty());
 103         }
 104 }