src/java/org/mxchange/jfinancials/beans/user/email_address/list/FinancialsEmailChangeListWebViewBean.java

   1 /*
   2  * Copyright (C) 2016 - 2022 Free Software Foundation
   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.jfinancials.beans.user.email_address.list;
  18
  19 import fish.payara.cdi.jsr107.impl.NamedCache;
  20 import java.util.Comparator;
  21 import java.util.LinkedList;
  22 import java.util.List;
  23 import javax.annotation.PostConstruct;
  24 import javax.cache.Cache;
  25 import javax.ejb.EJB;
  26 import javax.faces.view.ViewScoped;
  27 import javax.inject.Inject;
  28 import javax.inject.Named;
  29 import org.mxchange.jfinancials.beans.BaseFinancialsBean;
  30 import org.mxchange.jfinancials.beans.features.FinancialsFeaturesWebApplicationController;
  31 import org.mxchange.jusercore.model.email_address.ChangeableEmailAddress;
  32 import org.mxchange.jusercore.model.user.email_address.UserEmailChangeSessionBeanRemote;
  33
  34 /**
  35  * A view-scoped bean for listing email address changes
  36  * <p>
  37  * @author Roland Häder<roland@mxchange.org>
  38  */
  39 @Named ("emailChangeListController")
  40 @ViewScoped
  41 public class FinancialsEmailChangeListWebViewBean extends BaseFinancialsBean implements FinancialsEmailChangeListWebViewController {
  42
  43         /**
  44          * Serial number
  45          */
  46         private static final long serialVersionUID = 186_078_724_659_154L;
  47
  48         /**
  49          * A list of all mobile numbers
  50          */
  51         private final List<ChangeableEmailAddress> allEmailAddressChanges;
  52
  53         /**
  54          * Remote email change bean
  55          */
  56         @EJB (lookup = "java:global/jfinancials-ejb/userEmailChange!org.mxchange.jusercore.model.user.email_address.UserEmailChangeSessionBeanRemote")
  57         private UserEmailChangeSessionBeanRemote emailChangeBean;
  58
  59         /**
  60          * Features controller
  61          */
  62         @Inject
  63         private FinancialsFeaturesWebApplicationController featureController;
  64
  65         /**
  66          * A list of filtered mobile numbers
  67          */
  68         private List<ChangeableEmailAddress> filteredEmailAddressChanges;
  69
  70         /**
  71          * Local list of already queued email addresses
  72          */
  73         @Inject
  74         @NamedCache (cacheName = "queuedEmailCache")
  75         private transient Cache<Long, ChangeableEmailAddress> queuedEmailCache;
  76
  77         /**
  78          * Default constructor
  79          */
  80         public FinancialsEmailChangeListWebViewBean () {
  81                 // Call super constructor
  82                 super();
  83
  84                 // Initialize list
  85                 this.allEmailAddressChanges = new LinkedList<>();
  86         }
  87
  88         @Override
  89         @SuppressWarnings ("ReturnOfCollectionOrArrayField")
  90         public List<ChangeableEmailAddress> getAllEmailAddressChanges () {
  91                 return this.allEmailAddressChanges;
  92         }
  93
  94         /**
  95          * Getter for filtered email address changed
  96          * <p>
  97          * @return Filtered email address changed
  98          */
  99         @SuppressWarnings ("ReturnOfCollectionOrArrayField")
 100         public List<ChangeableEmailAddress> getFilteredEmailAddressChanges () {
 101                 return this.filteredEmailAddressChanges;
 102         }
 103
 104         /**
 105          * Setter for filtered email address changed
 106          * <p>
 107          * @param filteredEmailAddressChanges Filtered email address changed
 108          */
 109         @SuppressWarnings ("AssignmentToCollectionOrArrayFieldFromParameter")
 110         public void setFilteredEmailAddressChanges (final List<ChangeableEmailAddress> filteredEmailAddressChanges) {
 111                 this.filteredEmailAddressChanges = filteredEmailAddressChanges;
 112         }
 113
 114         /**
 115          * Post-construction
 116          */
 117         @PostConstruct
 118         public void initializeList () {
 119                 // Is cache there?
 120                 if (!this.queuedEmailCache.iterator().hasNext()) {
 121                         // Add all
 122                         for (final ChangeableEmailAddress currentEmailAddress : this.emailChangeBean.fetchAllQueuedAddressChanges()) {
 123                                 // Add it to cache
 124                                 this.queuedEmailCache.put(currentEmailAddress.getEmailChangeId(), currentEmailAddress);
 125                         }
 126                 }
 127
 128                 // Is cache filled and list is empty
 129                 if ((this.queuedEmailCache.iterator().hasNext()) && (this.getAllEmailAddressChanges().isEmpty())) {
 130                         // Build up list
 131                         for (final Cache.Entry<Long, ChangeableEmailAddress> currentEntry : this.queuedEmailCache) {
 132                                 // Add to list
 133                                 this.getAllEmailAddressChanges().add(currentEntry.getValue());
 134                         }
 135
 136                         // Sort list
 137                         this.getAllEmailAddressChanges().sort(new Comparator<ChangeableEmailAddress>() {
 138                                 @Override
 139                                 public int compare (final ChangeableEmailAddress queuedEmail1, final ChangeableEmailAddress queuedEmail2) {
 140                                         return queuedEmail1.getEmailChangeId() > queuedEmail2.getEmailChangeId() ? 1 : queuedEmail1.getEmailChangeId() < queuedEmail2.getEmailChangeId() ? -1 : 0;
 141                                 }
 142                         });
 143
 144                         // Set full list
 145                         this.setFilteredEmailAddressChanges(this.getAllEmailAddressChanges());
 146                 }
 147         }
 148
 149         @Override
 150         public boolean isEmailAddressQueued (final String emailAddress) {
 151                 // Check if parameter is valid
 152                 if (null == emailAddress) {
 153                         // Throw NPE
 154                         throw new NullPointerException("emailAddress is null"); //NOI18N
 155                 } else if (emailAddress.isEmpty()) {
 156                         // Throw IAE
 157                         throw new IllegalArgumentException("emailAddress is empty."); //NOI18N
 158                 }
 159
 160                 // Default is not found
 161                 boolean isFound = false;
 162
 163                 // Iterate through whole list
 164                 for (final ChangeableEmailAddress address : this.getAllEmailAddressChanges()) {
 165                         // Does current match?
 166                         if (emailAddress.equals(address.getEmailAddress())) {
 167                                 // Yes, set flag and abort iteration
 168                                 isFound = true;
 169                                 break;
 170                         }
 171                 }
 172
 173                 // Return flag
 174                 return isFound;
 175         }
 176
 177 }