*/
package org.mxchange.addressbook.model.addressbook;
-import javax.ejb.EJB;
+import java.text.MessageFormat;
+import java.util.List;
import javax.ejb.Stateless;
+import javax.persistence.NoResultException;
+import javax.persistence.Query;
+import org.mxchange.addressbook.exceptions.AddressbookNameAlreadyUsedException;
+import org.mxchange.addressbook.model.addressbook.entry.AddressbookEntry;
import org.mxchange.jcoreee.database.BaseDatabaseBean;
-import org.mxchange.jusercore.model.login.UserLoginSessionBeanRemote;
+import org.mxchange.jusercore.model.user.User;
/**
* A stateless bean handling addressbooks
*/
private static final long serialVersionUID = 129_857_871_287_691L;
- /**
- * Login bean
- */
- @EJB
- private UserLoginSessionBeanRemote loginBean;
+ @Override
+ @SuppressWarnings ("unchecked")
+ public List<AddressbookEntry> allEntries (final Addressbook addressbook) {
+ // Generate query
+ Query query = this.getEntityManager().createNamedQuery("AllAddressbookEntries"); //NOI18N
+
+ // Set parameters
+ query.setParameter("addressbook", addressbook); //NOI18N
+ query.setParameter("owner", addressbook.getAddressbookUser()); //NOI18N
+ query.setParameter("sharer", addressbook.getAddressbookUser()); //NOI18N
+
+ // Return it
+ return query.getResultList();
+ }
+
+ @Override
+ @SuppressWarnings ("unchecked")
+ public List<Addressbook> getUsersList (final User loggedInUser) {
+ // Trace message
+ this.getLoggerBeanLocal().logTrace(MessageFormat.format("getUsersList: loggedInUser={0} - CALLED!", loggedInUser)); //NOI18N
+
+ // Is the user instance null?
+ if (null == loggedInUser) {
+ // Abort here
+ throw new NullPointerException("loggedInUser is null"); //NOI18N
+ }
+
+ // Get query instance
+ Query query = this.getEntityManager().createNamedQuery("AllUsersAddressbooks", List.class); //NOI18N
+
+ // Set parameter
+ query.setParameter("param", loggedInUser); //NOI18N
+
+ // Get full list from JPA
+ List<Addressbook> addressbooks = query.getResultList();
+
+ // Return it
+ return addressbooks;
+ }
+
+ @Override
+ public Addressbook createAddressbook (final Addressbook addressbook) throws AddressbookNameAlreadyUsedException {
+ // 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
+ } else if (this.isAddressbookNameUsed(addressbook)) {
+ // The assigned user already used that name
+ throw new AddressbookNameAlreadyUsedException(addressbook);
+ }
+
+ // Persist it now
+ this.getEntityManager().persist(addressbook);
+
+ // Flush it to get all data
+ this.getEntityManager().flush();
+
+ // Return it updated
+ return addressbook;
+ }
+
+ @Override
+ public boolean isAddressbookIdUsed (final Long addressbookId) {
+ // Trace message
+ this.getLoggerBeanLocal().logTrace(MessageFormat.format("isAddressbookIdUsed: addressbookId={0} - CALLED!", addressbookId)); //NOI18N
+
+ // Is it null or zero?
+ if (null == addressbookId) {
+ // Throw NPE
+ throw new NullPointerException("addressbookId is null"); //NOI18N
+ } else if (addressbookId < 1) {
+ // Not valid id number
+ throw new IllegalArgumentException(MessageFormat.format("addressbookId is not valid: {0}", addressbookId)); //NOI18N
+ }
+
+ // Get query instance
+ Query query = this.getEntityManager().createNamedQuery("FindAddressbookById"); //NOI18N
+
+ // Set parameter
+ query.setParameter("id", addressbookId); //NOI18N
+
+ // Default is not valid
+ boolean isValid = false;
+
+ // Try it again, yes no other way
+ try {
+ // Get single result
+ Addressbook addressbook = (Addressbook) query.getSingleResult();
+
+ // Debug message
+ this.getLoggerBeanLocal().logDebug(MessageFormat.format("isAddressbookIdUsed: addressbook={0} - FOUND!", addressbook)); //NOI18N
+
+ // Found one!
+ isValid = true;
+ } catch (final NoResultException ex) {
+ // Debug log only, maybe out-dated link followed
+ this.getLoggerBeanLocal().logDebug(MessageFormat.format("isAddressbookIdUsed: addressbookId={0} is not valid: {1}", addressbookId, ex)); //NOI18N
+ }
+
+ // Trace message
+ this.getLoggerBeanLocal().logTrace(MessageFormat.format("isAddressbookIdUsed: isValid={0} - EXIT!", isValid)); //NOI18N
+
+ // Return result
+ return isValid;
+ }
+
+ @Override
+ public boolean isAddressbookNameUsed (final Addressbook addressbook) {
+ // 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); //NOI18N
+
+ // Set parameter
+ query.setParameter("user", addressbook.getAddressbookUser()); //NOI18N
+ query.setParameter("name", addressbook.getAddressbookName()); //NOI18N
+
+ // 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)); //NOI18N
+
+ // Found one
+ isUsed = true;
+ } catch (final NoResultException ex) {
+ // No result found, so log it away
+ this.getLoggerBeanLocal().logDebug(MessageFormat.format("isAddressbookNameUsed: getSingleResult() did not return a result: {0}", ex)); //NOI18N
+ }
+
+ // Return result
+ return isUsed;
+ }
}