src/java/org/mxchange/jjobs/beans/user/resendlink/JobsResendLinkWebSessionBean.java

   1 /*
   2  * Copyright (C) 2016, 2017 Roland Häder
   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.jjobs.beans.user.resendlink;
  18
  19 import java.util.Locale;
  20 import javax.annotation.PostConstruct;
  21 import javax.enterprise.context.SessionScoped;
  22 import javax.enterprise.event.Event;
  23 import javax.enterprise.event.Observes;
  24 import javax.enterprise.inject.Any;
  25 import javax.faces.view.facelets.FaceletException;
  26 import javax.inject.Inject;
  27 import javax.inject.Named;
  28 import javax.naming.Context;
  29 import javax.naming.InitialContext;
  30 import javax.naming.NamingException;
  31 import org.mxchange.jcoreee.events.locale.ObservableLocaleChangeEvent;
  32 import org.mxchange.jcoreee.utils.FacesUtils;
  33 import org.mxchange.jjobs.beans.BaseJobsController;
  34 import org.mxchange.jjobs.beans.localization.JobsLocalizationSessionController;
  35 import org.mxchange.jjobs.beans.user.JobsUserWebSessionController;
  36 import org.mxchange.jusercore.exceptions.UserEmailAddressNotFoundException;
  37 import org.mxchange.jusercore.exceptions.UserNotFoundException;
  38 import org.mxchange.jusercore.exceptions.UserStatusConfirmedException;
  39 import org.mxchange.jusercore.exceptions.UserStatusLockedException;
  40 import org.mxchange.jusercore.model.user.User;
  41 import org.mxchange.jusercore.model.user.status.UserAccountStatus;
  42 import org.mxchange.juserlogincore.events.resendlink.ObservableUserResendLinkAccountEvent;
  43 import org.mxchange.juserlogincore.events.resendlink.UserResendLinkAccountEvent;
  44 import org.mxchange.juserlogincore.model.user.resendlink.ResendLinkSessionBeanRemote;
  45
  46 /**
  47  * A web session-scoped bean for resending confirmation link
  48  * <p>
  49  * @author Roland Häder<roland@mxchange.org>
  50  */
  51 @Named ("userResendConfirmationController")
  52 @SessionScoped
  53 public class JobsResendLinkWebSessionBean extends BaseJobsController implements JobsResendLinkWebSessionController {
  54
  55         /**
  56          * Serial number
  57          */
  58         private static final long serialVersionUID = 186_078_724_659_153L;
  59
  60         /**
  61          * Email address
  62          */
  63         private String emailAddress;
  64
  65         /**
  66          * Locale instance
  67          */
  68         private Locale locale;
  69
  70         /**
  71          * Localization controller
  72          */
  73         @Inject
  74         private JobsLocalizationSessionController localizationController;
  75
  76         /**
  77          * EJB for resending confirmation link
  78          */
  79         private ResendLinkSessionBeanRemote resendLinkBean;
  80
  81         /**
  82          * Regular user controller
  83          */
  84         @Inject
  85         private JobsUserWebSessionController userController;
  86
  87         /**
  88          * Event being fired after confirmation link is being sent
  89          */
  90         @Inject
  91         @Any
  92         private Event<ObservableUserResendLinkAccountEvent> userResendLinkEvent;
  93
  94         /**
  95          * Default constructor
  96          */
  97         public JobsResendLinkWebSessionBean () {
  98                 // Call super constructor
  99                 super();
 100         }
 101
 102         /**
 103          * Observer method for events being fired when the application's locale has
 104          * been changed.
 105          * <p>
 106          * @param event Event being fired
 107          */
 108         public void afterLocaleChangeEvent (@Observes final ObservableLocaleChangeEvent event) {
 109                 // Is the parameter valid?
 110                 if (null == event) {
 111                         // Throw NPE
 112                         throw new NullPointerException("event is null");
 113                 } else if (event.getLocale() == null) {
 114                         // Throw NPE again
 115                         throw new NullPointerException("event.locale is null");
 116                 }
 117
 118                 // Set it here
 119                 this.setLocale(event.getLocale());
 120         }
 121
 122         /**
 123          * Resends (new) confirmation link to given email address, if found.
 124          * Otherwise an exception is thrown. On success a redirect takes place.
 125          * <p>
 126          * @return Redirect outcome
 127          */
 128         public String doResendLink () {
 129                 // The email address should not be empty as the JSF validates this
 130                 if (this.getEmailAddress() == null) {
 131                         // Throw NPE
 132                         throw new NullPointerException("this.emailAddress is null"); //NOI18N
 133                 }
 134
 135                 // Init user instance
 136                 User user;
 137
 138                 try {
 139                         // Is the email address really not used?
 140                         user = this.userController.lookupUserByEmailAddress(this.getEmailAddress());
 141                 } catch (final UserEmailAddressNotFoundException ex) {
 142                         // Always clear bean
 143                         this.clear();
 144
 145                         // Not found, should not happen as the registered validator should find it
 146                         this.showFacesMessage("form_resend_link:", "ERROR_USER_EMAIL_ADDRESS_NOT_FOUND"); //NOI18N
 147                         return ""; //NOI18N
 148                 }
 149
 150                 // Is the user account already confirmed?
 151                 if (user.getUserAccountStatus() == UserAccountStatus.CONFIRMED) {
 152                         // Always clear bean
 153                         this.clear();
 154
 155                         // Then abort here
 156                         this.showFacesMessage("form_resend_link:resendEmailAddress", "ERROR_USER_STATUS_ALREADY_CONFIRMED"); //NOI18N
 157                         return ""; //NOI18N
 158                 } else if (user.getUserAccountStatus() == UserAccountStatus.LOCKED) {
 159                         // Always clear bean
 160                         this.clear();
 161
 162                         // User account is locked
 163                         this.showFacesMessage("form_resend_link:resendEmailAddress", "ERROR_USER_STATUS_LOCKED"); //NOI18N
 164                         return ""; //NOI18N
 165                 } else if (user.getUserConfirmKey() == null) {
 166                         // Status is UNCONFIRMED but confirmation key is NULL
 167                         throw new NullPointerException("user.userConfirmKey is null"); //NOI18N
 168                 }
 169
 170                 // Init managed user instance
 171                 User managedUser;
 172
 173                 try {
 174                         // Get base URL
 175                         String baseUrl = FacesUtils.generateBaseUrl();
 176
 177                         // Call EJB and return redirect target
 178                         managedUser = this.resendLinkBean.resendConfirmationLink(user, this.getLocale(), baseUrl);
 179                 } catch (final UserNotFoundException ex) {
 180                         // User not found
 181                         this.showFacesMessage("form_resend_link:resendEmailAddress", "ERROR_USER_NOT_FOUND"); //NOI18N
 182                         return ""; //NOI18N
 183                 } catch (final UserStatusLockedException | UserStatusConfirmedException ex) {
 184                         // Output message, this should not happen as the confirmation key is being removed
 185                         this.showFacesMessage("form_resend_link:resendEmailAddress", ex); //NOI18N
 186                         return ""; //NOI18N
 187                 }
 188
 189                 // Clear this bean
 190                 this.clear();
 191
 192                 // Fire event
 193                 this.userResendLinkEvent.fire(new UserResendLinkAccountEvent(managedUser));
 194
 195                 // Return redirect target
 196                 return "user_resend_done"; //NOI18N
 197         }
 198
 199         /**
 200          * Getter for email address 1 (changing)
 201          * <p>
 202          * @return Email address
 203          */
 204         public String getEmailAddress () {
 205                 return this.emailAddress;
 206         }
 207
 208         /**
 209          * Setter for email address 1 (changing)
 210          * <p>
 211          * @param emailAddress Email address 1
 212          */
 213         public void setEmailAddress (final String emailAddress) {
 214                 this.emailAddress = emailAddress;
 215         }
 216
 217         /**
 218          * Getter for locale instance
 219          * <p>
 220          * @return Locale instance
 221          */
 222         private Locale getLocale () {
 223                 return this.locale;
 224         }
 225
 226         /**
 227          * Setter for locale instance
 228          * <p>
 229          * @param locale Locale instance
 230          */
 231         private void setLocale (final Locale locale) {
 232                 this.locale = locale;
 233         }
 234
 235         /**
 236          * Post-construction method
 237          */
 238         @PostConstruct
 239         public void init () {
 240                 // Try it
 241                 try {
 242                         // Get initial context
 243                         Context context = new InitialContext();
 244
 245                         // Try to lookup
 246                         this.resendLinkBean = (ResendLinkSessionBeanRemote) context.lookup("java:global/jjobs-ejb/userResendConfirmationLink!org.mxchange.juserlogincore.model.user.resendlink.ResendLinkSessionBeanRemote"); //NOI18N
 247                 } catch (final NamingException e) {
 248                         // Throw again
 249                         throw new FaceletException(e);
 250                 }
 251         }
 252
 253         /**
 254          * Clears email address fields so the user has to re-enter them
 255          */
 256         private void clear () {
 257                 // Clear fields
 258                 this.setEmailAddress(null);
 259         }
 260
 261 }