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.shared.ShareableAddressbook;
  39 import org.mxchange.addressbook.model.addressbook.status.AddressbokStatus;
  40
  41 /**
  42  * A user bean (controller)
  43  * <p>
  44  * @author Roland Haeder<roland@mxchange.org>
  45  */
  46 @Named ("addressbookController")
  47 @SessionScoped
  48 public class AddressbookWebBean implements AddressbookWebController {
  49
  50         /**
  51          * Serial number
  52          */
  53         private static final long serialVersionUID = 185_781_756_712_969L;
  54
  55         /**
  56          * Remote address book bean
  57          */
  58         private AddressbookSessionBeanRemote addressbookBean;
  59
  60         /**
  61          * Address book id number (from URL for example)
  62          */
  63         private Long addressbookId;
  64
  65
  66         /**
  67          * Name of the address book
  68          */
  69         private String addressbookName;
  70
  71
  72         /**
  73          * Login controller
  74          */
  75         @Inject
  76         private UserLoginWebController loginController;
  77
  78         /**
  79          * A list of all user's shared (with others) address books
  80          */
  81         private List<ShareableAddressbook> sharedAddressbooks;
  82
  83         /////////////////////// Properties /////////////////////
  84         /**
  85          * A list of all user's address books
  86          */
  87         private List<Addressbook> usersAddressbooks;
  88
  89         /**
  90          * Default constructor
  91          */
  92         public AddressbookWebBean () {
  93                 // Try it
  94                 try {
  95                         // Get initial context
  96                         Context context = new InitialContext();
  97
  98                         // Try to lookup
  99                         this.addressbookBean = (AddressbookSessionBeanRemote) context.lookup("ejb/stateless-addressbook"); //NOI18N
 100                 } catch (final NamingException e) {
 101                         // Throw again
 102                         throw new FaceletException(e);
 103                 }
 104         }
 105
 106         @Override
 107         public String addAddressbook () {
 108                 // Is this name already used?
 109                 if (!this.loginController.isUserLoggedIn()) {
 110                         // Not logged in
 111                         throw new FaceletException("This method can only be called as logged-in user."); //NOI18N
 112                 } else if (this.getAddressbookName() == null) {
 113                         // Address book name is null
 114                         throw new NullPointerException("addressbookName is null"); //NOI18N
 115                 } else if (this.getAddressbookName().isEmpty()) {
 116                         // Address book name is empty
 117                         throw new IllegalStateException("addressbookName is empty."); //NOI18N
 118                 } else if (this.isAddressbookNameUsed(this.getAddressbookName())) {
 119                         // Already used by this user
 120                         throw new FaceletException(MessageFormat.format("Address book name {0} already used.", this.getAddressbookName())); //NOI18N
 121                 }
 122
 123                 // Create address book instance with name
 124                 Addressbook addressbook = new UserAddressbook(this.getAddressbookName());
 125
 126                 // Set default status to UNLOCKED and owner
 127                 addressbook.setAddressbookStatus(AddressbokStatus.UNLOCKED);
 128                 addressbook.setAddressbookUser(this.loginController.getLoggedInUser());
 129                 addressbook.setAddressbookCreated(new GregorianCalendar());
 130
 131                 try {
 132                         // Register this address book
 133                         Addressbook updatedAddressbook = this.addressbookBean.createAddressbook(addressbook);
 134
 135                         // Remove name
 136                         this.setAddressbookName(null);
 137
 138                         // Add address book entry to list
 139                         this.usersAddressbooks.add(updatedAddressbook);
 140
 141                         // All fine
 142                         return "login_own_addressbooks"; //NOI18N
 143                 } catch (final AddressbookNameAlreadyUsedException ex) {
 144                         // Throw again as cause
 145                         throw new FaceletException(ex);
 146                 }
 147         }
 148
 149         @Override
 150         public List<Addressbook> allAddressbooks () {
 151                 // Is the user logged in?
 152                 if (!this.loginController.isUserLoggedIn()) {
 153                         // Not logged in
 154                         throw new FaceletException("This method can only be called as logged-in user."); //NOI18N
 155                 }
 156
 157                 return Collections.unmodifiableList(this.usersAddressbooks);
 158         }
 159
 160         @Override
 161         public List<AddressbookEntry> allEntries (final Addressbook addressbook) {
 162                 // Is the user logged in?
 163                 if (!this.loginController.isUserLoggedIn()) {
 164                         // Not logged in
 165                         throw new FaceletException("This method can only be called as logged-in user."); //NOI18N
 166                 }
 167
 168                 // Ask the bean
 169                 return this.addressbookBean.allEntries(addressbook);
 170         }
 171
 172         @Override
 173         public int allEntriesSize (final Addressbook addressbook) {
 174                 // Ask the bean
 175                 return this.allEntries(addressbook).size();
 176         }
 177
 178         @Override
 179         public List<ShareableAddressbook> allShares () {
 180                 // Is the user logged in?
 181                 if (!this.loginController.isUserLoggedIn()) {
 182                         // Not logged in
 183                         throw new FaceletException("This method can only be called as logged-in user."); //NOI18N
 184                 }
 185
 186                 return Collections.unmodifiableList(this.sharedAddressbooks);
 187         }
 188
 189         @Override
 190         public Long getAddressbookId () {
 191                 return this.addressbookId;
 192         }
 193
 194         @Override
 195         public void setAddressbookId (final Long addressbookId) {
 196                 this.addressbookId = addressbookId;
 197         }
 198
 199         @Override
 200         public String getAddressbookName () {
 201                 return this.addressbookName;
 202         }
 203
 204         @Override
 205         public void setAddressbookName (final String addressbookName) {
 206                 this.addressbookName = addressbookName;
 207         }
 208
 209         @Override
 210         public boolean hasCreatedAddressbooks () {
 211                 // Is the user logged in?
 212                 if (!this.loginController.isUserLoggedIn()) {
 213                         // Not logged in
 214                         throw new FaceletException("This method can only be called as logged-in user."); //NOI18N
 215                 }
 216
 217                 // Check if the list is filled
 218                 return (!this.usersAddressbooks.isEmpty());
 219         }
 220
 221         @PostConstruct
 222         public void init () {
 223                 // Init list
 224                 this.usersAddressbooks = new ArrayList<>(0);
 225
 226                 // Is the user logged-in?
 227                 if (this.loginController.isUserLoggedIn()) {
 228                         // Fill list with entries
 229                         this.usersAddressbooks = this.addressbookBean.getUsersList(this.loginController.getLoggedInUser());
 230                 }
 231         }
 232
 233         @Override
 234         public boolean isAddressbookNameUsed (final String addressbookName) {
 235                 // Is it zero size?
 236                 if (null == addressbookName) {
 237                         // Is null
 238                         throw new NullPointerException("addressbookName is null"); //NOI18N
 239                 } else if (this.usersAddressbooks.isEmpty()) {
 240                         // Not found!
 241                         return false;
 242                 }
 243
 244                 // Default is not found
 245                 boolean isFound = false;
 246
 247                 // Check all entries
 248                 for (final Addressbook addressbook : this.usersAddressbooks) {
 249                         // Is the name same?
 250                         if (addressbook.getAddressbookName().equals(addressbookName)) {
 251                                 // Found a match
 252                                 isFound = true;
 253                                 break;
 254                         }
 255                 }
 256
 257                 // Return status
 258                 return isFound;
 259         }
 260 }