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.hibernate.dao;
  
  import java.util.Map;
  
  import javax.inject.Inject;
  
  import org.hibernate.HibernateException;
  import org.hibernate.Session;
  import org.n52.faroe.annotation.Configurable;
  import org.n52.iceland.ds.ConnectionProvider;
  import org.n52.janmayen.http.HTTPStatus;
  import org.n52.shetland.ogc.gml.AbstractFeature;
  import org.n52.shetland.ogc.ows.exception.NoApplicableCodeException;
  import org.n52.shetland.ogc.ows.exception.OwsExceptionReport;
  import org.n52.shetland.ogc.sos.request.GetFeatureOfInterestRequest;
  import org.n52.sos.ds.FeatureQueryHandler;
  import org.n52.sos.ds.FeatureQueryHandlerQueryObject;
  import org.n52.sos.ds.hibernate.HibernateSessionHolder;
  
  import edu.umd.cs.findbugs.annotations.SuppressFBWarnings;
  
  @Configurable
  @SuppressFBWarnings({ "EI_EXPOSE_REP", "EI_EXPOSE_REP2" })
  public class GetFeatureOfInterestDaoImpl extends AbstractDaoImpl
          implements org.n52.sos.ds.dao.GetFeatureOfInterestDao {
  
      private HibernateSessionHolder sessionHolder;
  
      private FeatureQueryHandler featureQueryHandler;
  
      @Inject
      public void setConnectionProvider(ConnectionProvider connectionProvider) {
          this.sessionHolder = new HibernateSessionHolder(connectionProvider);
      }
  
      @Inject
      public void setFeatureQueryHandler(FeatureQueryHandler featureQueryHandler) {
          this.featureQueryHandler = featureQueryHandler;
      }
  
      @Override
      public Map<String, AbstractFeature> getFeatureOfInterest(GetFeatureOfInterestRequest request)
              throws OwsExceptionReport {
          Session session = null;
          try {
              session = sessionHolder.getSession();
              return queryFeaturesOfInterest(request, session);
          } catch (HibernateException he) {
              throw new NoApplicableCodeException().causedBy(he).withMessage("Error while querying observation data!")
                      .setStatus(HTTPStatus.INTERNAL_SERVER_ERROR);
          } finally {
              sessionHolder.returnSession(session);
          }
      }
  
      @Override
      public Map<String, AbstractFeature> getFeatureOfInterest(GetFeatureOfInterestRequest request, Object connection)
              throws OwsExceptionReport {
          if (checkConnection(connection)) {
              return queryFeaturesOfInterest(request, HibernateSessionHolder.getSession(connection));
          }
          return getFeatureOfInterest(request);
      }
  
      private Map<String, AbstractFeature> queryFeaturesOfInterest(GetFeatureOfInterestRequest request, Session session)
              throws OwsExceptionReport {
          FeatureQueryHandlerQueryObject queryObject = new FeatureQueryHandlerQueryObject(session)
                  .setFeatures(request.getFeatureIdentifiers()).setVersion(request.getVersion())
                  .setI18N(getRequestedLocale(request)).setSpatialFilters(request.getSpatialFilters());
          return featureQueryHandler.getFeatures(queryObject);
      }
  
  }
  