src/java/org/mxchange/jcontacts/contact/AddressbookContactSessionBean.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.addressbook.database.BaseAddressbookDatabaseBean;
  27 import org.mxchange.jcontacts.contact.utils.ContactUtils;
  28 import org.mxchange.jcontacts.exceptions.ContactAlreadyAddedException;
  29 import org.mxchange.jcontacts.exceptions.ContactNotFoundException;
  30
  31 /**
  32  * A contact EJB
  33  * <p>
  34  * @author Roland Haeder<roland@mxchange.org>
  35  */
  36 @Stateless (name = "contact", description = "A bean handling contact data")
  37 public class AddressbookContactSessionBean extends BaseAddressbookDatabaseBean implements ContactSessionBeanRemote {
  38
  39         /**
  40          * Serial number
  41          */
  42         private static final long serialVersionUID = 542_145_347_916L;
  43
  44         /**
  45          * Default constructor
  46          */
  47         public AddressbookContactSessionBean () {
  48         }
  49
  50         @Override
  51         public Contact addContact (final Contact contact) throws ContactAlreadyAddedException {
  52                 throw new UnsupportedOperationException("Not supported yet."); //To change body of generated methods, choose Tools | Templates.
  53         }
  54
  55         @Override
  56         public Contact findContactById (final Long contactId) throws ContactNotFoundException {
  57                 // Log trace message
  58                 this.getLoggerBeanLocal().logTrace(MessageFormat.format("findContactById: contactId={0} - CALLED!", contactId)); //NOI18N
  59
  60                 // The parameter must be valid
  61                 if (null == contactId) {
  62                         // Throw NPE
  63                         throw new NullPointerException("contactId is null"); //NOI18N
  64                 } else if (contactId < 1) {
  65                         // Not valid
  66                         throw new IllegalArgumentException(MessageFormat.format("contactId={0} is not valid", contactId)); //NOI18N
  67                 }
  68
  69                 // Get query instance
  70                 Query query = this.getEntityManager().createNamedQuery("SearchContactById", UserContact.class); //NOI18N
  71
  72                 // Set parameter
  73                 query.setParameter("contactId", contactId); //NOI18N
  74
  75                 // Init contact instance
  76                 Contact contact;
  77
  78                 // Try to find a result
  79                 try {
  80                         // Find a single result
  81                         contact = (Contact) query.getSingleResult();
  82
  83                         // Log trace message
  84                         this.getLoggerBeanLocal().logTrace(MessageFormat.format("findContactById: Found contact={0}", contact)); //NOI18N
  85                 } catch (final NoResultException ex) {
  86                         // No result found
  87                         throw new ContactNotFoundException(contactId, ex);
  88                 }
  89
  90                 // Log trace message
  91                 this.getLoggerBeanLocal().logTrace(MessageFormat.format("findContactById: contact={0} - EXIT!", contact)); //NOI18N
  92
  93                 // Return found instance
  94                 return contact;
  95         }
  96
  97         @Override
  98         @SuppressWarnings ("unchecked")
  99         public List<Contact> getAllContacts () {
 100                 // Log trace message
 101                 this.getLoggerBeanLocal().logTrace("getAllContacts - CALLED!"); //NOI18N
 102
 103                 // Create query instance
 104                 Query query = this.getEntityManager().createNamedQuery("AllContacts", List.class); //NOI18N
 105
 106                 // Get list
 107                 List<Contact> contacts = query.getResultList();
 108
 109                 // Log trace message
 110                 this.getLoggerBeanLocal().logTrace(MessageFormat.format("getAllContacts: contacts.size()={0} - EXIT!", contacts.size())); //NOI18N
 111
 112                 // Return it
 113                 return contacts;
 114         }
 115
 116         @Override
 117         @SuppressWarnings ("unchecked")
 118         public List<String> getEmailAddressList () {
 119                 // Log trace message
 120                 this.getLoggerBeanLocal().logTrace("getEmailAddressList - CALLED!"); //NOI18N
 121
 122                 // Create query instance
 123                 Query query = this.getEntityManager().createNamedQuery("AllContactEmailAddresses", List.class); //NOI18N
 124
 125                 // Get list
 126                 List<String> emailAddresses = query.getResultList();
 127
 128                 // Log trace message
 129                 this.getLoggerBeanLocal().logTrace(MessageFormat.format("getEmailAddressList: emailAddresses.size()={0} - EXIT!", emailAddresses.size())); //NOI18N
 130
 131                 // Return it
 132                 return emailAddresses;
 133         }
 134
 135         @Override
 136         public Contact lookupContact (final Contact contact) {
 137                 // Log trace message
 138                 this.getLoggerBeanLocal().logTrace(MessageFormat.format("isContactFound: contact={0} - CALLED!", contact)); //NOI18N
 139
 140                 // Parameter should be valid
 141                 if (null == contact) {
 142                         // Throw NPE
 143                         throw new NullPointerException("contact is null"); //NOI18N
 144                 } else if (contact.getContactId() > 0) {
 145                         try {
 146                                 // Id set, ask other method
 147                                 return this.findContactById(contact.getContactId());
 148                         } catch (final ContactNotFoundException ex) {
 149                                 // Not found, should not happen
 150                                 throw new IllegalStateException(MessageFormat.format("contact.contactId={0} is set, but not found.", contact.getContactId()), ex); //NOI18N
 151                         }
 152                 }
 153
 154                 // Default is not found
 155                 Contact foundContact = null;
 156
 157                 // Get whole list
 158                 List<Contact> contacts = this.getAllContacts();
 159
 160                 // Is the list empty?
 161                 if (contacts.isEmpty()) {
 162                         // Then abort here
 163                         this.getLoggerBeanLocal().logTrace("isContactFound: No contacts registered, returning 'false' ..."); //NOI18N
 164                         return null;
 165                 }
 166
 167                 // Get iterator
 168                 Iterator<Contact> iterator = contacts.iterator();
 169
 170                 // Loop through all
 171                 while (iterator.hasNext()) {
 172                         // Get contact
 173                         Contact next = iterator.next();
 174
 175                         // Is same contact?
 176                         if ((Objects.equals(contact, next)) || (ContactUtils.isSameContact(contact, next))) {
 177                                 // Debug message
 178                                 this.getLoggerBeanLocal().logDebug(MessageFormat.format("isContactFound: Found same contact, id={0}", next.getContactId())); //NOI18N
 179
 180                                 // Found it
 181                                 foundContact = next;
 182                                 break;
 183                         }
 184                 }
 185
 186                 // Trace message
 187                 this.getLoggerBeanLocal().logTrace(MessageFormat.format("isContactFound: foundContact={0} - EXIT!", foundContact)); //NOI18N
 188
 189                 // Return found contact
 190                 return foundContact;
 191         }
 192
 193         @Override
 194         public Contact updateContactData (final Contact contact, final boolean isCellphoneUnlinked, final boolean isLandlineUnlinked, final boolean isFaxUnlinked) {
 195                 // Log trace message
 196                 this.getLoggerBeanLocal().logTrace(MessageFormat.format("updateContactData: contact={0},isCellphoneUnlinked={1},isLandlineUnlinked={2},isFaxUnlinked={3} - CALLED!", contact, isCellphoneUnlinked, isLandlineUnlinked, isFaxUnlinked)); //NOI18N
 197
 198                 // The contact instance must be valid
 199                 if (null == contact) {
 200                         // Throw NPE again
 201                         throw new NullPointerException("contact is null"); //NOI18N
 202                 } else if (contact.getContactId() == null) {
 203                         // Throw NPE again
 204                         throw new NullPointerException("contact.contactId is null"); //NOI18N //NOI18N
 205                 } else if (contact.getContactId() < 1) {
 206                         // Not valid
 207                         throw new IllegalStateException(MessageFormat.format("contact.contactId={0} is not valid.", contact.getContactId())); //NOI18N
 208                 }
 209
 210                 // Set updated timestamp
 211                 this.setAllContactPhoneEntriesUpdated(contact, isCellphoneUnlinked, isLandlineUnlinked, isFaxUnlinked);
 212
 213                 // Merge cellphone, land-line and fix
 214                 Contact detachedContact = this.mergeContactData(contact);
 215
 216                 // Trace message
 217                 this.getLoggerBeanLocal().logTrace(MessageFormat.format("updateContactData: detachedContact={0} - EXIT!", detachedContact)); //NOI18N
 218
 219                 // Return it
 220                 return detachedContact;
 221         }
 222
 223         @Override
 224         public Contact updateContactData (final Contact contact) {
 225                 // Log trace message
 226                 this.getLoggerBeanLocal().logTrace(MessageFormat.format("updateContactData: contact={0} - CALLED!", contact)); //NOI18N
 227
 228                 // The contact instance must be valid
 229                 if (null == contact) {
 230                         // Throw NPE again
 231                         throw new NullPointerException("contact is null"); //NOI18N
 232                 } else if (contact.getContactId() == null) {
 233                         // Throw NPE again
 234                         throw new NullPointerException("contact.contactId is null"); //NOI18N //NOI18N
 235                 } else if (contact.getContactId() < 1) {
 236                         // Not valid
 237                         throw new IllegalStateException(MessageFormat.format("contact.contactId={0} is not valid.", contact.getContactId())); //NOI18N
 238                 }
 239
 240                 // Is cell phone/land-line/fax number unlinked?
 241                 boolean isCellphoneUnlinked = (contact.getContactCellphoneNumber() == null);
 242                 boolean isLandLineUnlinked = (contact.getContactLandLineNumber() == null);
 243                 boolean isFaxUnlinked = (contact.getContactFaxNumber() == null);
 244
 245                 // Call other Method
 246                 Contact detachedContact = this.updateContactData(contact, isCellphoneUnlinked, isLandLineUnlinked, isFaxUnlinked);
 247
 248                 // Trace message
 249                 this.getLoggerBeanLocal().logTrace(MessageFormat.format("updateContactData: detachedContact={0} - EXIT!", detachedContact)); //NOI18N
 250
 251                 // Return it
 252                 return detachedContact;
 253         }
 254
 255 }