src/java/org/mxchange/jcontacts/contact/PizzaContactSessionBean.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.jcontacts.contact;
  18
  19 import java.text.MessageFormat;
  20 import java.util.Iterator;
  21 import java.util.List;
  22 import java.util.Objects;
  23 import javax.ejb.Stateless;
  24 import javax.persistence.NoResultException;
  25 import javax.persistence.Query;
  26 import org.mxchange.jcontacts.exceptions.ContactNotFoundException;
  27 import org.mxchange.pizzaaplication.database.BasePizzaDatabaseBean;;
  28 import org.mxchange.jcontacts.contact.utils.ContactUtils;
  29
  30 /**
  31  * A contact EJB
  32  * <p>
  33  * @author Roland Haeder<roland@mxchange.org>
  34  */
  35 @Stateless (name = "contact", description = "A bean handling contact data")
  36 public class PizzaContactSessionBean extends BasePizzaDatabaseBean implements ContactSessionBeanRemote {
  37
  38         /**
  39          * Serial number
  40          */
  41         private static final long serialVersionUID = 542_145_347_916L;
  42
  43         /**
  44          * Default constructor
  45          */
  46         public PizzaContactSessionBean () {
  47         }
  48
  49         @Override
  50         public Contact findContactById (final Long contactId) throws ContactNotFoundException {
  51                 // Log trace message
  52                 this.getLoggerBeanLocal().logTrace(MessageFormat.format("findContactById: contactId={0} - CALLED!", contactId)); //NOI18N
  53
  54                 // The parameter must be valid
  55                 if (null == contactId) {
  56                         // Throw NPE
  57                         throw new NullPointerException("contactId is null"); //NOI18N
  58                 } else if (contactId < 1) {
  59                         // Not valid
  60                         throw new IllegalArgumentException(MessageFormat.format("contactId={0} is not valid", contactId)); //NOI18N
  61                 }
  62
  63                 // Get query instance
  64                 Query query = this.getEntityManager().createNamedQuery("SearchContactById", Contact.class); //NOI18N
  65
  66                 // Set parameter
  67                 query.setParameter("contactId", contactId); //NOI18N
  68
  69                 // Init contact instance
  70                 Contact contact;
  71
  72                 // Try to find a result
  73                 try {
  74                         // Find a single result
  75                         contact = (Contact) query.getSingleResult();
  76
  77                         // Log trace message
  78                         this.getLoggerBeanLocal().logTrace(MessageFormat.format("findContactById: Found contact={0}", contact)); //NOI18N
  79                 } catch (final NoResultException ex) {
  80                         // No result found
  81                         throw new ContactNotFoundException(contactId, ex);
  82                 }
  83
  84                 // Log trace message
  85                 this.getLoggerBeanLocal().logTrace(MessageFormat.format("findContactById: contact={0} - EXIT!", contact)); //NOI18N
  86
  87                 // Return found instance
  88                 return contact;
  89         }
  90
  91         @Override
  92         @SuppressWarnings ("unchecked")
  93         public List<Contact> getAllContacts () {
  94                 // Log trace message
  95                 this.getLoggerBeanLocal().logTrace("getAllContacts - CALLED!"); //NOI18N
  96
  97                 // Create query instance
  98                 Query query = this.getEntityManager().createNamedQuery("AllContacts", List.class); //NOI18N
  99
 100                 // Get list
 101                 List<Contact> contacts = query.getResultList();
 102
 103                 // Log trace message
 104                 this.getLoggerBeanLocal().logTrace(MessageFormat.format("getAllContacts: contacts.size()={0} - EXIT!", contacts.size())); //NOI18N
 105
 106                 // Return it
 107                 return contacts;
 108         }
 109
 110         @Override
 111         @SuppressWarnings ("unchecked")
 112         public List<String> getEmailAddressList () {
 113                 // Log trace message
 114                 this.getLoggerBeanLocal().logTrace("getEmailAddressList - CALLED!"); //NOI18N
 115
 116                 // Create query instance
 117                 Query query = this.getEntityManager().createNamedQuery("AllContactEmailAddresses", List.class); //NOI18N
 118
 119                 // Get list
 120                 List<String> emailAddresses = query.getResultList();
 121
 122                 // Log trace message
 123                 this.getLoggerBeanLocal().logTrace(MessageFormat.format("getEmailAddressList: emailAddresses.size()={0} - EXIT!", emailAddresses.size())); //NOI18N
 124
 125                 // Return it
 126                 return emailAddresses;
 127         }
 128
 129         @Override
 130         public Contact lookupContact (final Contact contact) {
 131                 // Log trace message
 132                 this.getLoggerBeanLocal().logTrace(MessageFormat.format("isContactFound: contact={0} - CALLED!", contact)); //NOI18N
 133
 134                 // Parameter should be valid
 135                 if (null == contact) {
 136                         // Throw NPE
 137                         throw new NullPointerException("contact is null"); //NOI18N
 138                 } else if ((contact.getContactId() instanceof Long) && (contact.getContactId() > 0)) {
 139                         try {
 140                                 // Id set, ask other method
 141                                 return this.findContactById(contact.getContactId());
 142                         } catch (final ContactNotFoundException ex) {
 143                                 // Not found, should not happen
 144                                 throw new IllegalStateException(MessageFormat.format("contact.contactId={0} is set, but not found.", contact.getContactId()), ex); //NOI18N
 145                         }
 146                 }
 147
 148                 // Default is not found
 149                 Contact foundContact = null;
 150
 151                 // Get whole list
 152                 List<Contact> contacts = this.getAllContacts();
 153
 154                 // Is the list empty?
 155                 if (contacts.isEmpty()) {
 156                         // Then abort here
 157                         this.getLoggerBeanLocal().logTrace("isContactFound: No contacts registered, returning 'false' ..."); //NOI18N
 158                         return null;
 159                 }
 160
 161                 // Get iterator
 162                 Iterator<Contact> iterator = contacts.iterator();
 163
 164                 // Loop through all
 165                 while (iterator.hasNext()) {
 166                         // Get contact
 167                         Contact next = iterator.next();
 168
 169                         // Debug message
 170                         this.getLoggerBeanLocal().logDebug(MessageFormat.format("isContactFound: next={0}", next)); //NOI18N
 171
 172                         // Is same contact?
 173                         if ((Objects.equals(contact, next)) || (ContactUtils.isSameContact(contact, next))) {
 174                                 // Debug message
 175                                 this.getLoggerBeanLocal().logDebug(MessageFormat.format("isContactFound: Found same contact, id={0}", next.getContactId())); //NOI18N
 176
 177                                 // Found it
 178                                 foundContact = next;
 179                                 break;
 180                         }
 181                 }
 182
 183                 // Trace message
 184                 this.getLoggerBeanLocal().logTrace(MessageFormat.format("isContactFound: foundContact={0} - EXIT!", foundContact)); //NOI18N
 185
 186                 // Return status
 187                 return foundContact;
 188         }
 189
 190         @Override
 191         public Contact updateContactData (final Contact contact, final boolean isCellphoneUnlinked, final boolean isLandlineUnlinked, final boolean isFaxUnlinked) {
 192                 // Log trace message
 193                 this.getLoggerBeanLocal().logTrace(MessageFormat.format("updateContactData: contact={0},isCellphoneUnlinked={1},isLandlineUnlinked={2},isFaxUnlinked={3} - CALLED!", contact, isCellphoneUnlinked, isLandlineUnlinked, isFaxUnlinked)); //NOI18N
 194
 195                 // The contact instance must be valid
 196                 if (null == contact) {
 197                         // Throw NPE again
 198                         throw new NullPointerException("contact is null"); //NOI18N
 199                 } else if (contact.getContactId() == null) {
 200                         // Throw NPE again
 201                         throw new NullPointerException("contact.contactId is null"); //NOI18N //NOI18N
 202                 } else if (contact.getContactId() < 1) {
 203                         // Not valid
 204                         throw new IllegalStateException(MessageFormat.format("contact.contactId={0} is not valid.", contact.getContactId())); //NOI18N
 205                 }
 206
 207                 // Set updated timestamp
 208                 this.setAllContactPhoneEntriesUpdated(contact, isCellphoneUnlinked, isLandlineUnlinked, isFaxUnlinked);
 209
 210                 // Merge cellphone, land-line and fix
 211                 Contact detachedContact = this.mergeContactData(contact);
 212
 213                 // Trace message
 214                 this.getLoggerBeanLocal().logTrace(MessageFormat.format("updateContactData: detachedContact={0} - EXIT!", detachedContact)); //NOI18N
 215
 216                 // Return it
 217                 return detachedContact;
 218         }
 219
 220         @Override
 221         public Contact updateContactData (final Contact contact) {
 222                 // Log trace message
 223                 this.getLoggerBeanLocal().logTrace(MessageFormat.format("updateContactData: contact={0} - CALLED!", contact)); //NOI18N
 224
 225                 // The contact instance must be valid
 226                 if (null == contact) {
 227                         // Throw NPE again
 228                         throw new NullPointerException("contact is null"); //NOI18N
 229                 } else if (contact.getContactId() == null) {
 230                         // Throw NPE again
 231                         throw new NullPointerException("contact.contactId is null"); //NOI18N //NOI18N
 232                 } else if (contact.getContactId() < 1) {
 233                         // Not valid
 234                         throw new IllegalStateException(MessageFormat.format("contact.contactId={0} is not valid.", contact.getContactId())); //NOI18N
 235                 }
 236
 237                 // Is cell phone/land-line/fax number unlinked?
 238                 boolean isCellphoneUnlinked = (contact.getContactCellphoneNumber() == null);
 239                 boolean isLandLineUnlinked = (contact.getContactLandLineNumber() == null);
 240                 boolean isFaxUnlinked = (contact.getContactFaxNumber() == null);
 241
 242                 // Call other Method
 243                 Contact detachedContact = this.updateContactData(contact, isCellphoneUnlinked, isLandLineUnlinked, isFaxUnlinked);
 244
 245                 // Trace message
 246                 this.getLoggerBeanLocal().logTrace(MessageFormat.format("updateContactData: detachedContact={0} - EXIT!", detachedContact)); //NOI18N
 247
 248                 // Return it
 249                 return detachedContact;
 250         }
 251
 252 }