src/java/org/mxchange/jusercore/model/user/password_history/AddressbookUserPasswordHistorySessionBean.java

   1 /*
   2  * Copyright (C) 2016, 2017 Roland Häder
   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.user.password_history;
  18
  19 import java.text.MessageFormat;
  20 import java.util.List;
  21 import javax.ejb.Stateless;
  22 import javax.persistence.Query;
  23 import org.mxchange.addressbook.database.BaseAddressbookDatabaseBean;
  24 import org.mxchange.jusercore.model.user.User;
  25
  26 /**
  27  * A user password history EJB
  28  * <p>
  29  * @author Roland Häder<roland@mxchange.org>
  30  */
  31 @Stateless (name = "userPasswordHistory", description = "A stateless EJB for user's password history. This bean does return the full user's password history and not limited. The application then needs to limit it to it's purpose.")
  32 public class AddressbookUserPasswordHistorySessionBean extends BaseAddressbookDatabaseBean implements UserPasswordHistorySessionBeanRemote {
  33
  34         /**
  35          * Serial number
  36          */
  37         private static final long serialVersionUID = 395_767_546_195_014L;
  38
  39         /**
  40          * Default constructor
  41          */
  42         public AddressbookUserPasswordHistorySessionBean () {
  43                 // Call super constructor
  44                 super();
  45         }
  46
  47         @Override
  48         @SuppressWarnings ("unchecked")
  49         public List<PasswordHistory> getUserPasswordHistory (final User user) {
  50                 // Trace message
  51                 this.getLoggerBeanLocal().logTrace(MessageFormat.format("{0}.getUserPasswordHistory(): user={1} - EXIT!", this.getClass().getSimpleName(), user)); //NOI18N
  52
  53                 // user should not be null
  54                 if (null == user) {
  55                         // Abort here
  56                         throw new NullPointerException("user is null"); //NOI18N
  57                 } else if (user.getUserId() == null) {
  58                         // Throw NPE again
  59                         throw new NullPointerException("user.userId is null"); //NOI18N
  60                 } else if (user.getUserId() < 1) {
  61                         // Illegal id number
  62                         throw new IllegalArgumentException(MessageFormat.format("user.userId={0} is not allowed.", user.getUserId())); //NOI18N
  63                 }
  64
  65                 // Get named query
  66                 Query query = this.getEntityManager().createNamedQuery("AllUsersHistoryEntries", UserPasswordHistory.class); //NOI18N
  67
  68                 // Set parameter
  69                 query.setParameter("user", user); //NOI18N
  70
  71                 // Get full history
  72                 List<PasswordHistory> history = query.getResultList();
  73
  74                 // Trace message
  75                 this.getLoggerBeanLocal().logTrace(MessageFormat.format("{0}.getUserPasswordHistory(): history.size()={1} - EXIT !", this.getClass().getSimpleName(), history.size())); //NOI18N
  76
  77                 // Return it
  78                 return history;
  79         }
  80
  81 }