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.text.MessageFormat;
  20 import java.util.ArrayList;
  21 import java.util.Collections;
  22 import java.util.GregorianCalendar;
  23 import java.util.List;
  24 import javax.annotation.PostConstruct;
  25 import javax.enterprise.context.SessionScoped;
  26 import javax.faces.view.facelets.FaceletException;
  27 import javax.inject.Inject;
  28 import javax.inject.Named;
  29 import javax.naming.Context;
  30 import javax.naming.InitialContext;
  31 import javax.naming.NamingException;
  32 import org.mxchange.addressbook.beans.login.UserLoginWebController;
  33 import org.mxchange.addressbook.exceptions.AddressbookNameAlreadyUsedException;
  34 import org.mxchange.addressbook.model.addressbook.Addressbook;
  35 import org.mxchange.addressbook.model.addressbook.AddressbookSessionBeanRemote;
  36 import org.mxchange.addressbook.model.addressbook.UserAddressbook;
  37 import org.mxchange.addressbook.model.addressbook.entry.AddressbookEntry;
  38 import org.mxchange.addressbook.model.addressbook.status.AddressbokStatus;
  39
  40 /**
  41  * A user bean (controller)
  42  * <p>
  43  * @author Roland Haeder<roland@mxchange.org>
  44  */
  45 @Named ("addressbookController")
  46 @SessionScoped
  47 public class AddressbookWebBean implements AddressbookWebController {
  48
  49         /**
  50          * Serial number
  51          */
  52         private static final long serialVersionUID = 185_781_756_712_969L;
  53
  54         /**
  55          * Remote address book bean
  56          */
  57         private AddressbookSessionBeanRemote addressbookBean;
  58
  59         /////////////////////// Properties /////////////////////
  60         /**
  61          * A list of all user's address books
  62          */
  63         private List<Addressbook> addressbookList;
  64
  65         /**
  66          * Name of the address book
  67          */
  68         private String addressbookName;
  69
  70         /**
  71          * Address book id number (from URL for example)
  72          */
  73         private Long addressbookId;
  74
  75         /**
  76          * Login controller
  77          */
  78         @Inject
  79         private UserLoginWebController loginController;
  80
  81         /**
  82          * Default constructor
  83          */
  84         public AddressbookWebBean () {
  85                 // Try it
  86                 try {
  87                         // Get initial context
  88                         Context context = new InitialContext();
  89
  90                         // Try to lookup
  91                         this.addressbookBean = (AddressbookSessionBeanRemote) context.lookup("ejb/stateless-addressbook"); //NOI18N
  92                 } catch (final NamingException e) {
  93                         // Throw again
  94                         throw new FaceletException(e);
  95                 }
  96         }
  97
  98         @Override
  99         public String addAddressbook () {
 100                 // Is this name already used?
 101                 if (!this.loginController.isUserLoggedIn()) {
 102                         // Not logged in
 103                         throw new FaceletException("This method can only be called as logged-in user."); //NOI18N
 104                 } else if (this.getAddressbookName() == null) {
 105                         // Address book name is null
 106                         throw new NullPointerException("addressbookName is null"); //NOI18N
 107                 } else if (this.getAddressbookName().isEmpty()) {
 108                         // Address book name is empty
 109                         throw new IllegalStateException("addressbookName is empty."); //NOI18N
 110                 } else if (this.isAddressbookNameUsed(this.getAddressbookName())) {
 111                         // Already used by this user
 112                         throw new FaceletException(MessageFormat.format("Address book name {0} already used.", this.getAddressbookName())); //NOI18N
 113                 }
 114
 115                 // Create address book instance with name
 116                 Addressbook addressbook = new UserAddressbook(this.getAddressbookName());
 117
 118                 // Set default status to UNLOCKED and owner
 119                 addressbook.setAddressbookStatus(AddressbokStatus.UNLOCKED);
 120                 addressbook.setAddressbookUser(this.loginController.getLoggedInUser());
 121                 addressbook.setAddressbookCreated(new GregorianCalendar());
 122
 123                 try {
 124                         // Register this address book
 125                         Addressbook updatedAddressbook = this.addressbookBean.createAddressbook(addressbook);
 126
 127                         // Remove name
 128                         this.setAddressbookName(null);
 129
 130                         // Add address book entry to list
 131                         this.addressbookList.add(updatedAddressbook);
 132
 133                         // All fine
 134                         return "login_own_addressbooks"; //NOI18N
 135                 } catch (final AddressbookNameAlreadyUsedException ex) {
 136                         // Throw again as cause
 137                         throw new FaceletException(ex);
 138                 }
 139         }
 140
 141         @Override
 142         public List<Addressbook> allAddressbooks () {
 143                 // Is the user logged in?
 144                 if (!this.loginController.isUserLoggedIn()) {
 145                         // Not logged in
 146                         throw new FaceletException("This method can only be called as logged-in user."); //NOI18N
 147                 }
 148
 149                 return Collections.unmodifiableList(this.addressbookList);
 150         }
 151
 152         @Override
 153         public List<AddressbookEntry> allEntries (final Addressbook addressbook) {
 154                 // Is the user logged in?
 155                 if (!this.loginController.isUserLoggedIn()) {
 156                         // Not logged in
 157                         throw new FaceletException("This method can only be called as logged-in user."); //NOI18N
 158                 }
 159
 160                 // Ask the bean
 161                 return this.addressbookBean.allEntries(addressbook);
 162         }
 163
 164         @Override
 165         public int allEntriesSize (final Addressbook addressbook) {
 166                 // Ask the bean
 167                 return this.allEntries(addressbook).size();
 168         }
 169
 170         @Override
 171         public Long getAddressbookId () {
 172                 return this.addressbookId;
 173         }
 174
 175         @Override
 176         public void setAddressbookId (final Long addressbookId) {
 177                 this.addressbookId = addressbookId;
 178         }
 179
 180         @Override
 181         public String getAddressbookName () {
 182                 return this.addressbookName;
 183         }
 184
 185         @Override
 186         public void setAddressbookName (final String addressbookName) {
 187                 this.addressbookName = addressbookName;
 188         }
 189
 190         @Override
 191         public boolean hasCreatedAddressbooks () {
 192                 // Is the user logged in?
 193                 if (!this.loginController.isUserLoggedIn()) {
 194                         // Not logged in
 195                         throw new FaceletException("This method can only be called as logged-in user."); //NOI18N
 196                 }
 197
 198                 // Check if the list is filled
 199                 return (!this.addressbookList.isEmpty());
 200         }
 201
 202         @PostConstruct
 203         public void init () {
 204                 // Init list
 205                 this.addressbookList = new ArrayList<>(0);
 206
 207                 // Is the user logged-in?
 208                 if (this.loginController.isUserLoggedIn()) {
 209                         // Fill list with entries
 210                         this.addressbookList = this.addressbookBean.getUsersList(this.loginController.getLoggedInUser());
 211                 }
 212         }
 213
 214         @Override
 215         public boolean isAddressbookNameUsed (final String addressbookName) {
 216                 // Is it zero size?
 217                 if (null == addressbookName) {
 218                         // Is null
 219                         throw new NullPointerException("addressbookName is null"); //NOI18N
 220                 } else if (this.addressbookList.isEmpty()) {
 221                         // Not found!
 222                         return false;
 223                 }
 224
 225                 // Default is not found
 226                 boolean isFound = false;
 227
 228                 // Check all entries
 229                 for (final Addressbook addressbook : this.addressbookList) {
 230                         // Is the name same?
 231                         if (addressbook.getAddressbookName().equals(addressbookName)) {
 232                                 // Found a match
 233                                 isFound = true;
 234                                 break;
 235                         }
 236                 }
 237
 238                 // Return status
 239                 return isFound;
 240         }
 241 }