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.request.operator;
  
  import java.util.Collections;
  import java.util.Set;
  
  import org.slf4j.Logger;
  import org.slf4j.LoggerFactory;
  
  import org.n52.shetland.ogc.sos.Sos1Constants;
  import org.n52.shetland.ogc.sos.SosConstants;
  import org.n52.shetland.ogc.ows.exception.NoApplicableCodeException;
  import org.n52.shetland.ogc.ows.exception.OwsExceptionReport;
  import org.n52.sos.ds.AbstractGetObservationByIdHandler;
  import org.n52.sos.exception.ows.concrete.MissingResponseFormatParameterException;
  import org.n52.shetland.ogc.sos.request.GetObservationByIdRequest;
  import org.n52.shetland.ogc.sos.response.GetObservationByIdResponse;
  
  /**
   * @since 4.0.0
   *
   */
  public class SosGetObservationByIdOperatorV100
          extends
          AbstractV1RequestOperator<AbstractGetObservationByIdHandler,
                                      GetObservationByIdRequest,
                                      GetObservationByIdResponse> {
  
      private static final Logger LOGGER = LoggerFactory.getLogger(SosGetObservationByIdOperatorV100.class.getName());
  
      private static final String OPERATION_NAME = SosConstants.Operations.GetObservationById.name();
  
      private static final Set<String> CONFORMANCE_CLASSES = Collections
              .singleton("http://www.opengis.net/spec/SOS/1.0/conf/enhanced");
  
      /**
       * Constructor
       *
       */
      public SosGetObservationByIdOperatorV100() {
          super(OPERATION_NAME, GetObservationByIdRequest.class);
      }
  
      @Override
      protected void checkParameters(GetObservationByIdRequest sosRequest) throws OwsExceptionReport {
  
          checkServiceParameter(sosRequest.getService());
          // check valid obs ids
          checkObservationIDs(sosRequest.getObservationIdentifier(),
                  Sos1Constants.GetObservationByIdParams.ObservationId.name());
          // check responseFormat!
          String responseFormat = sosRequest.getResponseFormat();
          if (responseFormat == null || responseFormat.isEmpty()) {
              throw new MissingResponseFormatParameterException();
          }
          // srsName and resultModel (omObs, om:Meas, Swe:?, responseMode (inline
          // only)
          String responseMode = sosRequest.getResponseMode();
          if (responseMode != null && !responseMode.equalsIgnoreCase("inline")) {
              throw new NoApplicableCodeException().withMessage(
                      "Only responseMode inline is currently supported by this SOS 1.0.0 implementation").at(
                      SosConstants.GetObservationParams.responseMode);
          }
  
          String resultModel = sosRequest.getResultModel();
          if (resultModel != null) {
              throw new NoApplicableCodeException().at(SosConstants.GetObservationParams.resultModel).withMessage(
                      "resultModel is currently not supported by this SOS 1.0.0 implementation");
          }
      }
  
      @Override
      public Set<String> getConformanceClasses(String service, String version) {
          if (SosConstants.SOS.equals(service) && Sos1Constants.SERVICEVERSION.equals(version)) {
              return Collections.unmodifiableSet(CONFORMANCE_CLASSES);
          }
          return Collections.emptySet();
      }
  
      @Override
      protected GetObservationByIdResponse receive(GetObservationByIdRequest sosRequest) throws OwsExceptionReport {
          GetObservationByIdResponse sosResponse = getOperationHandler().getObservationById(sosRequest);
          setObservationResponseResponseFormatAndContentType(sosRequest, sosResponse);
          return sosResponse;
      }
  }
  