org.n52.sos.ds.AbstractGetResultHandler Maven / Gradle / Ivy

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/*
 * Copyright (C) 2012-2019 52°North Initiative for Geospatial Open Source
 * Software 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;

import java.util.Arrays;
import java.util.Collection;
import java.util.Collections;
import java.util.HashSet;
import java.util.Set;

import org.slf4j.Logger;
import org.slf4j.LoggerFactory;

import org.n52.shetland.ogc.ows.exception.OperationNotSupportedException;
import org.n52.shetland.ogc.ows.exception.OwsExceptionReport;
import org.n52.shetland.ogc.ows.OwsDomain;
import org.n52.shetland.ogc.sos.Sos1Constants;
import org.n52.shetland.ogc.sos.Sos2Constants;
import org.n52.shetland.ogc.sos.SosConstants;
import org.n52.shetland.ogc.sos.request.GetResultRequest;
import org.n52.shetland.ogc.sos.response.GetResultResponse;

/**
 * Renamed, in version 4.x called AbstractGetResultDAO
 *
 * @since 5.0.0
 *
 */
public abstract class AbstractGetResultHandler extends AbstractResultHandlingHandler {
    private static final Logger LOG = LoggerFactory.getLogger(AbstractGetResultHandler.class);

    public AbstractGetResultHandler(String service) {
        super(service, SosConstants.Operations.GetResult.name());
    }

    public abstract GetResultResponse getResult(GetResultRequest request) throws OwsExceptionReport;

    @Override
    protected Set getOperationParameters(String service, String version) throws OwsExceptionReport {
        switch (version) {
            case Sos1Constants.SERVICEVERSION:
                throw new OperationNotSupportedException().at(SosConstants.Operations.GetResult)
                        .withMessage("This operation is not supported for SOS {}!", version);
            case Sos2Constants.SERVICEVERSION:
                Set resultTemplateIdentifier = getCache().getResultTemplates();

                Set offerings = null;
                Collection observableProperties = null;
                Collection featureOfInterest = null;

                if (resultTemplateIdentifier != null && !resultTemplateIdentifier.isEmpty()) {
                    offerings = getCache().getOfferingsWithResultTemplate();
                    observableProperties = getCache().getObservablePropertiesWithResultTemplate();
                    featureOfInterest = getCache().getFeaturesOfInterestWithResultTemplate();
                }

                return new HashSet<>(Arrays.asList(getOfferingParameter(service, version, offerings),
                        getObservablePropertyParameter(service, version, observableProperties),
                        getFeatureOfInterestParameter(service, version, featureOfInterest)));
            // TODO get the values for temporal and spatial filtering
            // set param temporalFilter
            // opsMeta.addParameterValue(Sos2Constants.GetResultParams.temporalFilter.name(),
            // new OWSParameterValuePossibleValues(null));
            // // set param spatialFilter
            // opsMeta.addParameterValue(Sos2Constants.GetResultParams.spatialFilter.name(),
            // new OWSParameterValuePossibleValues(null));
            default:
                LOG.trace("Not supported version '{}'", version);
                return Collections.emptySet();
        }
    }

}