+++ /dev/null
-/*
- * Copyright (C) 2016, 2017 Roland Häder
- *
- * This program is free software: you can redistribute it and/or modify
- * it under the terms of the GNU Affero General Public License as
- * published by the Free Software Foundation, either version 3 of the
- * License, or (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU Affero General Public License for more details.
- *
- * You should have received a copy of the GNU Affero General Public License
- * along with this program. If not, see <http://www.gnu.org/licenses/>.
-*/
-package org.mxchange.jcountry.data;
-
-import java.text.MessageFormat;
-import java.util.GregorianCalendar;
-import java.util.List;
-import javax.ejb.Singleton;
-import javax.ejb.Startup;
-import javax.persistence.NoResultException;
-import javax.persistence.Query;
-import org.mxchange.addressbook.database.BaseAddressbookDatabaseBean;
-import org.mxchange.jcountry.exceptions.CountryAlreadyAddedException;
-
-/**
- * A singleton EJB for country informations
- * <p>
- * @author Roland Häder<roland@mxchange.org>
- */
-@Startup
-@Singleton (name = "country", description = "A singleton session-scoped bean for country informations")
-public class AddressbookCountrySingletonBean extends BaseAddressbookDatabaseBean implements CountrySingletonBeanRemote {
-
- /**
- * Serial number
- */
- private static final long serialVersionUID = 15_846_983_298_691_207L;
-
- /**
- * Default constructor
- */
- public AddressbookCountrySingletonBean () {
- // Call super constructor
- super();
- }
-
- @Override
- public Country addCountry (final Country country) throws CountryAlreadyAddedException {
- // Trace message
- this.getLoggerBeanLocal().logTrace(MessageFormat.format("{0}.addCountry: country={1} - CALLED!", this.getClass().getSimpleName(), country)); //NOI18N
-
- // Is it already there?
- if (null == country) {
- // Throw NPE
- throw new NullPointerException("country is null"); //NOI18N
- } else if (country.getCountryCode().isEmpty()) {
- // Code is not set
- throw new IllegalArgumentException("country.countryCode is empty"); //NOI18N
- } else if (country.getCountryI18nKey().isEmpty()) {
- // I18n key is not set
- throw new IllegalArgumentException("country.countryI18nKey is empty"); //NOI18N
- } else if (country.getCountryId() != null) {
- // Should be null
- throw new IllegalArgumentException(MessageFormat.format("country.countryId is not null ({0})", country.getCountryId())); //NOI18N
- } else if (this.isCountryAdded(country)) {
- // Yes, then abort here
- throw new CountryAlreadyAddedException(country);
- }
-
- // Add timestamp
- country.setCountryEntryCreated(new GregorianCalendar());
-
- // It is not added, so persist it
- this.getEntityManager().persist(country);
-
- // Flush it to get id number back, maybe it is directly needed?
- this.getEntityManager().flush();
-
- // Trace message
- this.getLoggerBeanLocal().logTrace(MessageFormat.format("{0}.addCountry: country={1} - EXIT!", this.getClass().getSimpleName(), country)); //NOI18N
-
- // Return updated instance
- return country;
- }
-
- @Override
- @SuppressWarnings ("unchecked")
- public List<Country> allCountries () {
- // Trace message
- this.getLoggerBeanLocal().logTrace(MessageFormat.format("{0}.allCountries: CALLED!", this.getClass().getSimpleName())); //NOI18N
-
- // Init query
- Query query = this.getEntityManager().createNamedQuery("AllCountries", CountryData.class); //NOI18N
-
- // Get list
- List<Country> countries = query.getResultList();
-
- // Trace message
- this.getLoggerBeanLocal().logTrace(MessageFormat.format("{0}.allCountries: countries.size()={1} - EXIT!", this.getClass().getSimpleName(), countries.size())); //NOI18N
-
- // Return it
- return countries;
- }
-
- /**
- * Checks whether given country is already added by i18n key or country
- * code, what comes first.
- * <p>
- * @param country Country instance to check
- * <p>
- * @return Whether the country was found
- */
- private boolean isCountryAdded (final Country country) {
- if (null == country) {
- // Throw NPE
- throw new NullPointerException("country is null"); //NOI18N
- } else if (country.getCountryCode().isEmpty()) {
- // Code is not set
- throw new IllegalArgumentException("country.countryCode is empty"); //NOI18N
- } else if (country.getCountryI18nKey().isEmpty()) {
- // I18n key is not set
- throw new IllegalArgumentException("country.countryI18nKey is empty"); //NOI18N
- } else if (country.getCountryId() != null) {
- // Should be null
- throw new IllegalArgumentException(MessageFormat.format("country.countryId is not null ({0})", country.getCountryId())); //NOI18N
- }
-
- // Default is not found
- boolean isAdded = false;
-
- // Get query instance
- Query query = this.getEntityManager().createNamedQuery("SearchCountryByCodeI18nKey", CountryData.class); //NOI18N
-
- // Assign all parameters
- query.setParameter("code", country.getCountryCode()); //NOI18N
- query.setParameter("key", country.getCountryI18nKey()); //NOI18N
-
- // Try to get a single result
- try {
- // Get single result
- Country foundCountry = (Country) query.getSingleResult();
-
- // Found it?
- isAdded = (foundCountry instanceof Country);
- } catch (final NoResultException ex) {
- // Not found, don't log this
- }
-
- // Return result
- return isAdded;
- }
-
-}
projects / addressbook-mailer-ejb.git / blobdiff