src/java/org/mxchange/jusercore/model/register/AddressbookUserRegistrationSessionBean.java

   1 /*
   2  * Copyright (C) 2016 Roland Haeder
   3  *
   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.
   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 Affero General Public License for more details.
  13  *
  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/>.
  16  */
  17 package org.mxchange.jusercore.model.register;
  18
  19 import java.text.MessageFormat;
  20 import javax.ejb.EJB;
  21 import javax.ejb.Stateless;
  22 import org.mxchange.jcoreee.database.BaseDatabaseBean;
  23 import org.mxchange.jusercore.exceptions.EmailAddressAlreadyRegisteredException;
  24 import org.mxchange.jusercore.exceptions.UserNameAlreadyRegisteredException;
  25 import org.mxchange.jusercore.model.user.User;
  26 import org.mxchange.jusercore.model.user.UserSessionBeanRemote;
  27
  28 /**
  29  * A session bean for user registration
  30  * <p>
  31  * @author Roland Haeder<roland@mxchange.org>
  32  */
  33 @Stateless (name = "register", mappedName = "ejb/stateless-addressbook-register", description = "A bean handling the user registration")
  34 public class AddressbookUserRegistrationSessionBean extends BaseDatabaseBean implements UserRegistrationSessionBeanRemote {
  35
  36         /**
  37          * Serial number
  38          */
  39         private static final long serialVersionUID = 12_348_958_986_818_627L;
  40
  41         /**
  42          * User bean
  43          */
  44         @EJB
  45         private UserSessionBeanRemote userBean;
  46
  47         @Override
  48         public boolean isEmailAddressRegistered (final User user) {
  49                 // Trace message
  50                 this.getLoggerBeanLocal().logTrace(MessageFormat.format("isEmailAddressRegistered: user={0} - CALLED!", user)); //NOI18N
  51
  52                 // Check bean
  53                 assert(this.userBean instanceof UserSessionBeanRemote) : "this.userBean is not set"; //NOI18N
  54
  55                 // user should not be null
  56                 if (null == user) {
  57                         // Abort here
  58                         throw new NullPointerException("user is null"); //NOI18N
  59                 }
  60
  61                 // Call other bean
  62                 return this.userBean.isEmailAddressReqistered(user);
  63         }
  64
  65         @Override
  66         public boolean isUserNameRegistered (final User user) {
  67                 // Trace message
  68                 this.getLoggerBeanLocal().logTrace(MessageFormat.format("isUserNameRegistered: user={0} - CALLED!", user)); //NOI18N
  69
  70                 // Check bean
  71                 assert(this.userBean instanceof UserSessionBeanRemote) : "this.userBean is not set"; //NOI18N
  72
  73                 // user should not be null
  74                 if (null == user) {
  75                         // Abort here
  76                         throw new NullPointerException("user is null"); //NOI18N
  77                 }
  78
  79                 // Call other bean
  80                 return this.userBean.isUserNameReqistered(user);
  81         }
  82
  83         @Override
  84         public User registerUser (final User user) throws UserNameAlreadyRegisteredException, EmailAddressAlreadyRegisteredException {
  85                 // Trace message
  86                 this.getLoggerBeanLocal().logTrace(MessageFormat.format("registerUser: user={0} - CALLED!", user)); //NOI18N
  87
  88                 // user should not be null
  89                 if (null == user) {
  90                         // Abort here
  91                         throw new NullPointerException("user is null"); //NOI18N
  92                 }
  93
  94                 // Check if user is registered
  95                 if (this.isUserNameRegistered(user)) {
  96                         // Abort here
  97                         throw new UserNameAlreadyRegisteredException(user);
  98                 } else if (this.isEmailAddressRegistered(user)) {
  99                         // Abort here
 100                         throw new EmailAddressAlreadyRegisteredException(user);
 101                 }
 102
 103                 // Call other EJB
 104                 User addedUser = this.userBean.addUser(user);
 105
 106                 // Trace message
 107                 this.getLoggerBeanLocal().logTrace(MessageFormat.format("registerUser: addedUser={0},addedUser.userIdd={1} - EXIT!", addedUser, addedUser.getUserId())); //NOI18N
 108
 109                 // Return it
 110                 return user;
 111         }
 112 }