src/java/org/mxchange/jusercore/model/user/password_history/AddressbookUserPasswordHistorySessionBean.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.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 Haeder<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         }
  44
  45         @Override
  46         @SuppressWarnings ("unchecked")
  47         public List<PasswordHistory> getUserPasswordHistory (final User user) {
  48                 // Trace message
  49                 this.getLoggerBeanLocal().logTrace(MessageFormat.format("{0}.getUserPasswordHistory(): user={1} - EXIT!", this.getClass().getSimpleName(), user)); //NOI18N
  50
  51                 // user should not be null
  52                 if (null == user) {
  53                         // Abort here
  54                         throw new NullPointerException("user is null"); //NOI18N
  55                 } else if (user.getUserId() == null) {
  56                         // Throw NPE again
  57                         throw new NullPointerException("user.userId is null"); //NOI18N
  58                 } else if (user.getUserId() < 1) {
  59                         // Illegal id number
  60                         throw new IllegalArgumentException(MessageFormat.format("user.userId={0} is not allowed.", user.getUserId())); //NOI18N
  61                 }
  62
  63                 // Get named query
  64                 Query query = this.getEntityManager().createNamedQuery("AllUsersHistoryEntries", UserPasswordHistory.class); //NOI18N
  65
  66                 // Set parameter
  67                 query.setParameter("user", user); //NOI18N
  68
  69                 // Get full history
  70                 List<PasswordHistory> history = query.getResultList();
  71
  72                 // Trace message
  73                 this.getLoggerBeanLocal().logTrace(MessageFormat.format("{0}.getUserPasswordHistory(): history.size()={1} - EXIT !", this.getClass().getSimpleName(), history.size())); //NOI18N
  74
  75                 // Return it
  76                 return history;
  77         }
  78
  79 }