001/*
002 *    GeoAPI - Java interfaces for OGC/ISO standards
003 *    Copyright © 2004-2023 Open Geospatial Consortium, Inc.
004 *    http://www.geoapi.org
005 *
006 *    Licensed under the Apache License, Version 2.0 (the "License");
007 *    you may not use this file except in compliance with the License.
008 *    You may obtain a copy of the License at
009 *
010 *        http://www.apache.org/licenses/LICENSE-2.0
011 *
012 *    Unless required by applicable law or agreed to in writing, software
013 *    distributed under the License is distributed on an "AS IS" BASIS,
014 *    WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
015 *    See the License for the specific language governing permissions and
016 *    limitations under the License.
017 */
018package org.opengis.metadata.distribution;
019
020import java.util.Collection;
021import java.util.Collections;
022import org.opengis.metadata.citation.Responsibility;
023import org.opengis.metadata.citation.ResponsibleParty;
024import org.opengis.annotation.UML;
025
026import static org.opengis.annotation.Obligation.*;
027import static org.opengis.annotation.Specification.*;
028
029
030/**
031 * Information about the distributor.
032 *
033 * @author  Martin Desruisseaux (IRD)
034 * @version 3.1
035 * @since   2.0
036 */
037@UML(identifier="MD_Distributor", specification=ISO_19115)
038public interface Distributor {
039    /**
040     * Party from whom the resource may be obtained.
041     *
042     * <div class="warning"><b>Upcoming API change — generalization</b><br>
043     * As of ISO 19115:2014, {@code ResponsibleParty} is replaced by the {@link Responsibility} parent interface.
044     * This change may be applied in GeoAPI 4.0.
045     * </div>
046     *
047     * @return party from whom the resource may be obtained.
048     */
049    @UML(identifier="distributorContact", obligation=MANDATORY, specification=ISO_19115, version=2003)
050    ResponsibleParty getDistributorContact();
051
052    /**
053     * Provides information about how the resource may be obtained, and related
054     * instructions and fee information.
055     *
056     * @return information about how the resource may be obtained.
057     */
058    @UML(identifier="distributionOrderProcess", obligation=OPTIONAL, specification=ISO_19115)
059    default Collection<? extends StandardOrderProcess> getDistributionOrderProcesses() {
060        return Collections.emptyList();
061    }
062
063    /**
064     * Provides information about the format used by the distributor.
065     *
066     * @return information about the format used by the distributor.
067     *
068     * @condition Mandatory if {@link Distribution#getDistributionFormats()} is empty.
069     */
070    @UML(identifier="distributorFormat", obligation=CONDITIONAL, specification=ISO_19115)
071    Collection<? extends Format> getDistributorFormats();
072
073    /**
074     * Provides information about the technical means and media used by the distributor.
075     *
076     * @return information about the technical means and media used by the distributor.
077     */
078    @UML(identifier="distributorTransferOptions", obligation=OPTIONAL, specification=ISO_19115)
079    default Collection<? extends DigitalTransferOptions> getDistributorTransferOptions() {
080        return Collections.emptyList();
081    }
082}