Rewrite:

[addressbook-mailer-ejb.git] / src / java / org / mxchange / addressbook / model / addressbook / AddressbookSessionBean.java

diff --git a/src/java/org/mxchange/addressbook/model/addressbook/AddressbookSessionBean.java b/src/java/org/mxchange/addressbook/model/addressbook/AddressbookSessionBean.java
index 3003c4b6b30b22943a1a33f2998453dd5f462961..4edacc20eede9b7179d215fbc0d501bc4f8f0d41 100644 (file)
--- a/src/java/org/mxchange/addressbook/model/addressbook/AddressbookSessionBean.java
+++ b/src/java/org/mxchange/addressbook/model/addressbook/AddressbookSessionBean.java
@@ -16,13 +16,13 @@
  */
 package org.mxchange.addressbook.model.addressbook;
 
+import java.text.MessageFormat;
 import java.util.List;
-import javax.ejb.EJB;
 import javax.ejb.Stateless;
+import javax.persistence.NoResultException;
 import javax.persistence.Query;
 import org.mxchange.addressbook.exceptions.AddressbookNameAlreadyUsedException;
 import org.mxchange.jcoreee.database.BaseDatabaseBean;
-import org.mxchange.jusercore.model.login.UserLoginSessionBeanRemote;
 import org.mxchange.jusercore.model.user.User;
 
 /**
@@ -38,17 +38,20 @@ public class AddressbookSessionBean extends BaseDatabaseBean implements Addressb
         */
        private static final long serialVersionUID = 129_857_871_287_691L;
 
-       /**
-        * Login bean
-        */
-       @EJB (mappedName = "ejb/stateless-login")
-       private UserLoginSessionBeanRemote loginBean;
-
        @Override
        @SuppressWarnings ("unchecked")
        public List<Addressbook> getUsersList (final User loggedInUser) {
+               // Trace message
+               this.getLoggerBeanLocal().logTrace(MessageFormat.format("getUsersList: loggedInUser={0} - CALLED!", loggedInUser));
+
+               // Is the user instance null?
+               if (null == loggedInUser) {
+                       // Abort here
+                       throw new NullPointerException("loggedInUser is null");
+               }
+
                // Get query instance
-               Query query = this.getEntityManager().createNamedQuery("AllUsersAddressbooks"); //NOI18N
+               Query query = this.getEntityManager().createNamedQuery("AllUsersAddressbooks", List.class); //NOI18N
 
                // Set parameter
                query.setParameter("param", loggedInUser); //NOI18N
@@ -65,16 +68,16 @@ public class AddressbookSessionBean extends BaseDatabaseBean implements Addressb
                // Is it not null?
                if (null == addressbook) {
                        // Abort here
-                       throw new NullPointerException("addressbook is null");
+                       throw new NullPointerException("addressbook is null"); //NOI18N
                } else if (addressbook.getAddressbookUser() == null) {
                        // User instance is null
-                       throw new IllegalArgumentException("addressbook.user should not be null.");
+                       throw new NullPointerException("addressbook.user should not be null."); //NOI18N
                } else if (addressbook.getAddressbookName() == null) {
                        // Address book name not set
-                       throw new IllegalArgumentException("addressbook.addressbookName should not be null");
+                       throw new NullPointerException("addressbook.addressbookName should not be null"); //NOI18N
                } else if (addressbook.getAddressbookName().isEmpty()) {
                        // Address book name not set
-                       throw new IllegalArgumentException("addressbook.addressbookName should not be empty");
+                       throw new IllegalArgumentException("addressbook.addressbookName should not be empty"); //NOI18N
                } else if (this.isAddressbookNameUsed(addressbook)) {
                        // The assigned user already used that name
                        throw new AddressbookNameAlreadyUsedException(addressbook);
@@ -92,6 +95,47 @@ public class AddressbookSessionBean extends BaseDatabaseBean implements Addressb
 
        @Override
        public boolean isAddressbookNameUsed (final Addressbook addressbook) {
-               throw new UnsupportedOperationException("Not supported yet."); //To change body of generated methods, choose Tools | Templates.
+               // Is it not null?
+               if (null == addressbook) {
+                       // Abort here
+                       throw new NullPointerException("addressbook is null"); //NOI18N
+               } else if (addressbook.getAddressbookUser() == null) {
+                       // User instance is null
+                       throw new NullPointerException("addressbook.user should not be null."); //NOI18N
+               } else if (addressbook.getAddressbookName() == null) {
+                       // Address book name not set
+                       throw new NullPointerException("addressbook.addressbookName should not be null"); //NOI18N
+               } else if (addressbook.getAddressbookName().isEmpty()) {
+                       // Address book name not set
+                       throw new IllegalArgumentException("addressbook.addressbookName should not be empty"); //NOI18N
+               }
+
+               // Get query instance
+               Query query = this.getEntityManager().createNamedQuery("SearchUserAddressbookName", Addressbook.class);
+
+               // Set parameter
+               query.setParameter("user", addressbook.getAddressbookUser());
+               query.setParameter("name", addressbook.getAddressbookName());
+
+               // Default is not found
+               boolean isUsed = false;
+
+               // Try it
+               try {
+                       // Get a single result
+                       Addressbook dummy = (Addressbook) query.getSingleResult();
+
+                       // Log it
+                       this.getLoggerBeanLocal().logDebug(MessageFormat.format("isAddressbookNameUsed: Found an address book: {0}", dummy));
+
+                       // Found one
+                       isUsed = true;
+               } catch (final NoResultException ex) {
+                       // No result found, so log it away
+                       this.getLoggerBeanLocal().logDebug("isAddressbookNameUsed: getSingleResult() did not return a result: " + ex);
+               }
+
+               // Return result
+               return isUsed;
        }
 }