src/java/org/mxchange/jusercore/model/register/PizzaUserRegistrationSessionBean.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 de.chotime.jratecalc.database.BaseRateCalcDatabaseBean;
  20 import java.text.MessageFormat;
  21 import javax.ejb.EJB;
  22 import javax.ejb.Stateless;
  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 import org.mxchange.pizzaaplication.database.BasePizzaDatabaseBean;
  28
  29 /**
  30  * A session bean for user registration
  31  * <p>
  32  * @author Roland Haeder<roland@mxchange.org>
  33  */
  34 @Stateless (name = "register", description = "A bean handling the user registration")
  35 public class PizzaUserRegistrationSessionBean extends BasePizzaDatabaseBean implements UserRegistrationSessionBeanRemote {
  36
  37         /**
  38          * Serial number
  39          */
  40         private static final long serialVersionUID = 12_348_958_986_818_627L;
  41
  42         /**
  43          * User EJB
  44          */
  45         @EJB
  46         private UserSessionBeanRemote userBean;
  47
  48         @Override
  49         public boolean isEmailAddressRegistered (final User user) {
  50                 // Trace message
  51                 this.getLoggerBeanLocal().logTrace(MessageFormat.format("isEmailAddressRegistered: user={0} - CALLED!", user)); //NOI18N
  52
  53                 // Check bean
  54                 assert(this.userBean instanceof UserSessionBeanRemote) : "this.userBean is not set"; //NOI18N
  55
  56                 // user should not be null
  57                 if (null == user) {
  58                         // Abort here
  59                         throw new NullPointerException("user is null"); //NOI18N
  60                 }
  61
  62                 // Call other bean
  63                 return this.userBean.isEmailAddressReqistered(user);
  64         }
  65
  66         @Override
  67         public boolean isUserNameRegistered (final User user) {
  68                 // Trace message
  69                 this.getLoggerBeanLocal().logTrace(MessageFormat.format("isUserNameRegistered: user={0} - CALLED!", user)); //NOI18N
  70
  71                 // Check bean
  72                 assert(this.userBean instanceof UserSessionBeanRemote) : "this.userBean is not set"; //NOI18N
  73
  74                 // user should not be null
  75                 if (null == user) {
  76                         // Abort here
  77                         throw new NullPointerException("user is null"); //NOI18N
  78                 }
  79
  80                 // Call other bean
  81                 return this.userBean.isUserNameReqistered(user);
  82         }
  83
  84         @Override
  85         public User registerUser (final User user) throws UserNameAlreadyRegisteredException, EmailAddressAlreadyRegisteredException {
  86                 // Trace message
  87                 this.getLoggerBeanLocal().logTrace(MessageFormat.format("registerUser: user={0} - CALLED!", user)); //NOI18N
  88
  89                 // user should not be null
  90                 if (null == user) {
  91                         // Abort here
  92                         throw new NullPointerException("user is null"); //NOI18N
  93                 }
  94
  95                 // Check if user is registered
  96                 if (this.isUserNameRegistered(user)) {
  97                         // Abort here
  98                         throw new UserNameAlreadyRegisteredException(user);
  99                 } else if (this.isEmailAddressRegistered(user)) {
 100                         // Abort here
 101                         throw new EmailAddressAlreadyRegisteredException(user);
 102                 }
 103
 104                 // Call other EJB
 105                 User addedUser = this.userBean.addUser(user);
 106
 107                 // Trace message
 108                 this.getLoggerBeanLocal().logTrace(MessageFormat.format("registerUser: addedUser={0},addedUser.userIdd={1} - EXIT!", addedUser, addedUser.getUserId())); //NOI18N
 109
 110                 // Return it
 111                 return user;
 112         }
 113
 114 }