content: /*
   * Copyright (C) 2012-2023 52°North Spatial Information Research GmbH
   *
   * This program is free software; you can redistribute it and/or modify it
   * under the terms of the GNU General Public License version 2 as published
   * by the Free Software Foundation.
   *
   * If the program is linked with libraries which are licensed under one of
   * the following licenses, the combination of the program with the linked
   * library is not considered a "derivative work" of the program:
   *
   *     - Apache License, version 2.0
   *     - Apache Software License, version 1.0
   *     - GNU Lesser General Public License, version 3
   *     - Mozilla Public License, versions 1.0, 1.1 and 2.0
   *     - Common Development and Distribution License (CDDL), version 1.0
   *
   * Therefore the distribution of the program linked with libraries licensed
   * under the aforementioned licenses, is permitted by the copyright holders
   * if the distribution is compliant with both the GNU General Public
   * License version 2 and the aforementioned licenses.
   *
   * 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 General
   * Public License for more details.
   */
  package org.n52.sos.ds.cache.base;
  
  import java.util.Collection;
  import java.util.Collections;
  import java.util.Locale;
  
  import org.n52.iceland.i18n.I18NDAO;
  import org.n52.iceland.i18n.I18NDAORepository;
  import org.n52.iceland.i18n.metadata.AbstractI18NMetadata;
  import org.n52.iceland.i18n.metadata.I18NFeatureMetadata;
  import org.n52.iceland.i18n.metadata.I18NObservablePropertyMetadata;
  import org.n52.iceland.i18n.metadata.I18NOfferingMetadata;
  import org.n52.iceland.i18n.metadata.I18NProcedureMetadata;
  import org.n52.iceland.ogc.ows.OwsServiceMetadataRepository;
  import org.n52.shetland.ogc.ows.exception.OwsExceptionReport;
  import org.n52.sos.ds.cache.AbstractThreadableDatasourceCacheUpdate;
  import org.slf4j.Logger;
  import org.slf4j.LoggerFactory;
  
  /**
   * Cache update class for I18N
   *
   * @author <a href="mailto:c.hollmann@52north.org">Carsten Hollmann</a>
   * @since 4.1.0
   *
   */
  public class I18NCacheUpdate extends AbstractThreadableDatasourceCacheUpdate {
  
      private static final Logger LOGGER = LoggerFactory.getLogger(I18NCacheUpdate.class);
  
      private final OwsServiceMetadataRepository serviceMetadataRepository;
  
      private final I18NDAORepository i18NDAORepository;
  
      public I18NCacheUpdate(OwsServiceMetadataRepository serviceMetadataRepository,
              I18NDAORepository i18NDAORepository) {
          this.serviceMetadataRepository = serviceMetadataRepository;
          this.i18NDAORepository = i18NDAORepository;
      }
  
      @Override
      public void execute() {
          LOGGER.debug("Executing I18NCacheUpdate");
          startStopwatch();
          try {
              if (this.i18NDAORepository != null && this.serviceMetadataRepository != null) {
                  getCache().addSupportedLanguage(this.serviceMetadataRepository.getAvailableLocales());
                  getCache().addSupportedLanguage(getEntityLocales(I18NFeatureMetadata.class));
                  getCache().addSupportedLanguage(getEntityLocales(I18NOfferingMetadata.class));
                  getCache().addSupportedLanguage(getEntityLocales(I18NObservablePropertyMetadata.class));
                  getCache().addSupportedLanguage(getEntityLocales(I18NProcedureMetadata.class));
              }
          } catch (OwsExceptionReport ce) {
              getErrors().add(ce);
          }
          LOGGER.debug("Finished executing I18NCacheUpdate ({})", getStopwatchResult());
      }
  
      private Collection<Locale> getEntityLocales(Class<? extends AbstractI18NMetadata> type) throws OwsExceptionReport {
          I18NDAO<? extends AbstractI18NMetadata> dao = this.i18NDAORepository.getDAO(type);
          if (dao != null) {
              return dao.getAvailableLocales();
          } else {
              return Collections.emptySet();
          }
      }
  }
  