implemented business method generateConfirmationKey()

Signed-off-by: Roland Häder <roland@mxchange.org>

diff --git a/src/java/org/mxchange/jusercore/model/register/PizzaUserRegistrationSessionBean.java b/src/java/org/mxchange/jusercore/model/register/PizzaUserRegistrationSessionBean.java
index 0eb599573055f6f6c1310de3e40445534c09ff95..60adced01f52b08b2371ee88c5249c790b4b8160 100644 (file)
--- a/src/java/org/mxchange/jusercore/model/register/PizzaUserRegistrationSessionBean.java
+++ b/src/java/org/mxchange/jusercore/model/register/PizzaUserRegistrationSessionBean.java
@@ -19,10 +19,15 @@ package org.mxchange.jusercore.model.register;
 import java.text.MessageFormat;
 import javax.ejb.EJB;
 import javax.ejb.Stateless;
+import javax.persistence.NoResultException;
+import javax.persistence.Query;
+import org.mxchange.jcontacts.contact.Contact;
 import org.mxchange.jusercore.exceptions.EmailAddressAlreadyRegisteredException;
 import org.mxchange.jusercore.exceptions.UserNameAlreadyRegisteredException;
+import org.mxchange.jusercore.model.user.LoginUser;
 import org.mxchange.jusercore.model.user.User;
 import org.mxchange.jusercore.model.user.UserSessionBeanRemote;
+import org.mxchange.jusercore.model.user.UserUtils;
 import org.mxchange.pizzaaplication.database.BasePizzaDatabaseBean;
 
 /**
@@ -44,6 +49,52 @@ public class PizzaUserRegistrationSessionBean extends BasePizzaDatabaseBean impl
        @EJB
        private UserSessionBeanRemote userBean;
 
+       @Override
+       public String generateConfirmationKey (final User user) {
+               // Trace message
+               this.getLoggerBeanLocal().logTrace(MessageFormat.format("generateConfirmationKey: user={0} - CALLED!", user)); //NOI18N
+
+               // user should not be null
+               if (null == user) {
+                       // Abort here
+                       throw new NullPointerException("user is null"); //NOI18N
+               }
+
+               // Create named instance
+               Query query = this.getEntityManager().createNamedQuery("SearchUserByConfirmKey", LoginUser.class); //NOI18N
+
+               // Init confirmation key
+               String confirmationKey = null;
+
+               // Find a free one
+               while (confirmationKey == null) {
+                       // Create new one
+                       String key = UserUtils.generatedConfirmationKey(user);
+
+                       // Set key as parameter
+                       query.setParameter("confirmKey", key); //NOI18N
+
+                       // Try it
+                       try {
+                               // Get contact instance
+                               Contact contact = (Contact) query.getSingleResult();
+
+                               // Warning message
+                               this.getLoggerBeanLocal().logWarning(MessageFormat.format("generateConfirmationKey: key {0} already found: contact.contactId={1}", key, contact.getContactId())); //NOI18N
+                       } catch (final NoResultException ex) {
+                               // Not found, normal case
+                               confirmationKey = key;
+                               break;
+                       }
+               }
+
+               // Log trace message
+               this.getLoggerBeanLocal().logTrace(MessageFormat.format("generateConfirmationKey: confirmationKey={0} - EXIT!", confirmationKey)); //NOI18N
+
+               // Return it
+               return confirmationKey;
+       }
+
        @Override
        public boolean isEmailAddressRegistered (final User user) {
                // Trace message