git.mxchange.org Git - jfinancials-war.git/blob

   1 /*
   2  * Copyright (C) 2017 - 2020 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.business.headquarter;
  18
  19 import fish.payara.cdi.jsr107.impl.NamedCache;
  20 import java.text.MessageFormat;
  21 import java.util.Comparator;
  22 import java.util.LinkedList;
  23 import java.util.List;
  24 import java.util.Objects;
  25 import javax.annotation.PostConstruct;
  26 import javax.cache.Cache;
  27 import javax.ejb.EJB;
  28 import javax.enterprise.context.RequestScoped;
  29 import javax.enterprise.event.Observes;
  30 import javax.inject.Inject;
  31 import javax.inject.Named;
  32 import org.mxchange.jcontactsbusiness.events.headquarter.added.ObservableHeadquarterAddedEvent;
  33 import org.mxchange.jcontactsbusiness.exceptions.headquarter.HeadquarterNotFoundException;
  34 import org.mxchange.jcontactsbusiness.model.headquarter.Headquarter;
  35 import org.mxchange.jcontactsbusiness.model.headquarter.HeadquarterSessionBeanRemote;
  36 import org.mxchange.jfinancials.beans.BaseFinancialsBean;
  37
  38 /**
  39  * A general bean for headquarter
  40  * <p>
  41  * @author Roland Häder<roland@mxchange.org>
  42  */
  43 @Named ("headquarterController")
  44 @RequestScoped
  45 public class FinancialsHeadquarterWebRequestBean extends BaseFinancialsBean implements FinancialsHeadquarterWebRequestController {
  46
  47         /**
  48          * Serial number
  49          */
  50         private static final long serialVersionUID = 5_028_697_360_465L;
  51
  52         /**
  53          * A list of all headquarter
  54          */
  55         private final List<Headquarter> allHeadquarter;
  56
  57         /**
  58          * A list of filtered headquarter
  59          */
  60         private List<Headquarter> filteredHeadquarter;
  61
  62         /**
  63          * EJB for administrative purposes
  64          */
  65         @EJB (lookup = "java:global/jfinancials-ejb/headquarter!org.mxchange.jcontactsbusiness.model.headquarter.HeadquarterSessionBeanRemote")
  66         private HeadquarterSessionBeanRemote headquarterBean;
  67
  68         /**
  69          * A list of all headquarter (globally)
  70          */
  71         @Inject
  72         @NamedCache (cacheName = "headquarterCache")
  73         private Cache<Long, Headquarter> headquarterCache;
  74
  75         /**
  76          * Default constructor
  77          */
  78         public FinancialsHeadquarterWebRequestBean () {
  79                 // Call super constructor
  80                 super();
  81
  82                 // Init list
  83                 this.allHeadquarter = new LinkedList<>();
  84         }
  85
  86         /**
  87          * Observes events being fired when a branch office has been added.
  88          * <p>
  89          * @param event Event being fired
  90          * <p>
  91          * @throws NullPointerException If the parameter or it's carried instance is
  92          * null
  93          * @throws IllegalArgumentException If the branchId is zero or lower
  94          */
  95         public void afterHeadquarterAddedEvent (@Observes final ObservableHeadquarterAddedEvent event) {
  96                 // Validate parameter
  97                 if (null == event) {
  98                         // Throw NPE
  99                         throw new NullPointerException("event is null"); //NOI18N
 100                 } else if (event.getHeadquarter() == null) {
 101                         // Throw NPE again
 102                         throw new NullPointerException("event.headquarter is null"); //NOI18N
 103                 } else if (event.getHeadquarter().getHeadquarterId() == null) {
 104                         // Throw it again
 105                         throw new NullPointerException("event.headquarter.branchId is null"); //NOI18N
 106                 } else if (event.getHeadquarter().getHeadquarterId() < 1) {
 107                         // Throw IAE
 108                         throw new IllegalArgumentException(MessageFormat.format("event.headquarter.branchId={0} is not valid", event.getHeadquarter().getHeadquarterId())); //NOI18N
 109                 }
 110
 111                 // Add instance to cache
 112                 this.headquarterCache.put(event.getHeadquarter().getHeadquarterId(), event.getHeadquarter());
 113                 this.allHeadquarter.add(event.getHeadquarter());
 114         }
 115
 116         @Override
 117         @SuppressWarnings ("ReturnOfCollectionOrArrayField")
 118         public List<Headquarter> allHeadquarter () {
 119                 return this.allHeadquarter;
 120         }
 121
 122         @Override
 123         public Headquarter findHeadquarterById (final Long headquarterId) throws HeadquarterNotFoundException {
 124                 // Validate parameter
 125                 if (null == headquarterId) {
 126                         // Throw NPE
 127                         throw new NullPointerException("headquarterId is null"); //NOI18N
 128                 } else if (headquarterId < 1) {
 129                         // Throw IAE
 130                         throw new IllegalArgumentException(MessageFormat.format("headquarterId={0} is invalid", headquarterId)); //NOI18N
 131                 } else if (!this.headquarterCache.containsKey(headquarterId)) {
 132                         // Not found
 133                         throw new HeadquarterNotFoundException(headquarterId);
 134                 }
 135
 136                 // Get it from cache
 137                 final Headquarter headquarter = this.headquarterCache.get(headquarterId);
 138
 139                 // Return it
 140                 return headquarter;
 141         }
 142
 143         /**
 144          * Getter for a list of filtered headquarter
 145          * <p>
 146          * @return Filtered headquarter
 147          */
 148         @SuppressWarnings ("ReturnOfCollectionOrArrayField")
 149         public List<Headquarter> getFilteredHeadquarter () {
 150                 return this.filteredHeadquarter;
 151         }
 152
 153         /**
 154          * Setter for a list of filtered headquarter
 155          * <p>
 156          * @param filteredHeadquarter Filtered headquarter
 157          */
 158         @SuppressWarnings ("AssignmentToCollectionOrArrayFieldFromParameter")
 159         public void setFilteredHeadquarter (final List<Headquarter> filteredHeadquarter) {
 160                 this.filteredHeadquarter = filteredHeadquarter;
 161         }
 162
 163         /**
 164          * Initializer method
 165          */
 166         @PostConstruct
 167         public void initializeList () {
 168                 // Is cache there?
 169                 if (!this.headquarterCache.iterator().hasNext()) {
 170                         // Get whole list from EJB
 171                         final List<Headquarter> Headquarter = this.headquarterBean.allHeadquarters();
 172
 173                         // Add all
 174                         for (final Headquarter headquarter : Headquarter) {
 175                                 // Add it to cache
 176                                 this.headquarterCache.put(headquarter.getHeadquarterId(), headquarter);
 177                         }
 178                 }
 179
 180                 // Is the list empty, but filled cache?
 181                 if (this.allHeadquarter.isEmpty() && this.headquarterCache.iterator().hasNext()) {
 182                         // Build up list
 183                         for (final Cache.Entry<Long, Headquarter> currentEntry : this.headquarterCache) {
 184                                 // Add to list
 185                                 this.allHeadquarter.add(currentEntry.getValue());
 186                         }
 187
 188                         // Sort list
 189                         this.allHeadquarter.sort(new Comparator<Headquarter>() {
 190                                 @Override
 191                                 public int compare (final Headquarter headquarter1, final Headquarter headquarter2) {
 192                                         return headquarter1.getHeadquarterId() > headquarter2.getHeadquarterId() ? 1 : headquarter1.getHeadquarterId() < headquarter2.getHeadquarterId() ? -1 : 0;
 193                                 }
 194                         });
 195                 }
 196         }
 197
 198         @Override
 199         public Boolean isCompanyNameUsed (final String companyName) {
 200                 // Validate parameter
 201                 if (null == companyName) {
 202                         // Throw NPE
 203                         throw new NullPointerException("companyName is null"); //NOI18N
 204                 } else if (companyName.isEmpty()) {
 205                         // Throw IAE
 206                         throw new IllegalArgumentException("companyName is empty"); //NOI18N
 207                 }
 208
 209                 // Default is not found
 210                 boolean isFound = false;
 211
 212                 // Check all entries
 213                 for (final Headquarter headquarter : this.allHeadquarter()) {
 214                         // Is same company name?
 215                         if (Objects.equals(headquarter.getHeadquarterCompanyName(), companyName)) {
 216                                 // Found it
 217                                 isFound = true;
 218                                 break;
 219                         }
 220                 }
 221
 222                 // Return flag
 223                 return isFound;
 224         }
 225
 226         @Override
 227         public Boolean isEmailAddressRegistered (final String emailAddress) {
 228                 // Validate parameter
 229                 if (null == emailAddress) {
 230                         // Throw NPE
 231                         throw new NullPointerException("emailAddress is null"); //NOI18N
 232                 } else if (emailAddress.isEmpty()) {
 233                         // Throw IAE
 234                         throw new IllegalArgumentException("emailAddress is empty"); //NOI18N
 235                 }
 236
 237                 // Default is not found
 238                 boolean isFound = false;
 239
 240                 // Check all entries
 241                 for (final Headquarter headquarter : this.allHeadquarter()) {
 242                         // Is email address used?
 243                         if (Objects.equals(headquarter.getHeadquarterEmailAddress(), emailAddress)) {
 244                                 // Found it
 245                                 isFound = true;
 246                                 break;
 247                         }
 248                 }
 249
 250                 // Return flag
 251                 return isFound;
 252         }
 253
 254 }