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/*
 *    GeoTools - The Open Source Java GIS Toolkit
 *    http://geotools.org
 *
 *    (C) 2011, Open Source Geospatial Foundation (OSGeo)
 *    (C) 2004-2005, Open Geospatial Consortium Inc.
 *
 *    All Rights Reserved. http://www.opengis.org/legal/
 */
package org.opengis.metadata.citation;

import static org.opengis.annotation.Obligation.*;
import static org.opengis.annotation.Specification.*;

import java.util.ArrayList;
import java.util.List;
import org.opengis.annotation.UML;
import org.opengis.util.CodeList;

/**
 * Function performed by the responsible party.
 *
 * @version ISO 19115
 * @author Martin Desruisseaux (IRD)
 * @author Cory Horner (Refractions Research)
 * @since GeoAPI 2.0
 */
@UML(identifier = "CI_RoleCode", specification = ISO_19115)
public final class Role extends CodeList {
    /** Serial number for compatibility with different versions. */
    private static final long serialVersionUID = -7763516018565534103L;

    /** List of all enumerations of this type. Must be declared before any enum declaration. */
    private static final List VALUES = new ArrayList(11);

    /** Party that supplies the resource. */
    @UML(identifier = "resourceProvider", obligation = CONDITIONAL, specification = ISO_19115)
    public static final Role RESOURCE_PROVIDER = new Role("RESOURCE_PROVIDER");

    /**
     * Party that accepts accountability and responsibility for the data and ensures appropriate
     * care and maintenance of the resource.
     */
    @UML(identifier = "custodian", obligation = CONDITIONAL, specification = ISO_19115)
    public static final Role CUSTODIAN = new Role("CUSTODIAN");

    /** Party that owns the resource. */
    @UML(identifier = "owner", obligation = CONDITIONAL, specification = ISO_19115)
    public static final Role OWNER = new Role("OWNER");

    /** Party who uses the resource. */
    @UML(identifier = "user", obligation = CONDITIONAL, specification = ISO_19115)
    public static final Role USER = new Role("USER");

    /** Party who distributes the resource. */
    @UML(identifier = "distributor", obligation = CONDITIONAL, specification = ISO_19115)
    public static final Role DISTRIBUTOR = new Role("DISTRIBUTOR");

    /** Party who created the resource. */
    @UML(identifier = "originator", obligation = CONDITIONAL, specification = ISO_19115)
    public static final Role ORIGINATOR = new Role("ORIGINATOR");

    /** Party who can be contacted for acquiring knowledge about or acquisition of the resource. */
    @UML(identifier = "pointOfContact", obligation = CONDITIONAL, specification = ISO_19115)
    public static final Role POINT_OF_CONTACT = new Role("POINT_OF_CONTACT");

    /** Key party responsible for gathering information and conducting research. */
    @UML(identifier = "principalInvestigator", obligation = CONDITIONAL, specification = ISO_19115)
    public static final Role PRINCIPAL_INVESTIGATOR = new Role("PRINCIPAL_INVESTIGATOR");

    /** Party who has processed the data in a manner such that the resource has been modified. */
    @UML(identifier = "processor", obligation = CONDITIONAL, specification = ISO_19115)
    public static final Role PROCESSOR = new Role("PROCESSOR");

    /** Party who published the resource. */
    @UML(identifier = "publisher", obligation = CONDITIONAL, specification = ISO_19115)
    public static final Role PUBLISHER = new Role("PUBLISHER");

    /**
     * Party who authored the resource.
     *
     * @since GeoAPI 2.1
     */
    @UML(identifier = "author", obligation = CONDITIONAL, specification = ISO_19115)
    public static final Role AUTHOR = new Role("AUTHOR");

    /**
     * Constructs an enum with the given name. The new enum is automatically added to the list
     * returned by {@link #values}.
     *
     * @param name The enum name. This name must not be in use by an other enum of this type.
     */
    private Role(final String name) {
        super(name, VALUES);
    }

    /**
     * Returns the list of {@code Role}s.
     *
     * @return The list of codes declared in the current JVM.
     */
    public static Role[] values() {
        synchronized (VALUES) {
            return VALUES.toArray(new Role[VALUES.size()]);
        }
    }

    /** Returns the list of enumerations of the same kind than this enum. */
    public Role[] family() {
        return values();
    }

    /**
     * Returns the role that matches the given string, or returns a new one if none match it.
     *
     * @param code The name of the code to fetch or to create.
     * @return A code matching the given name.
     */
    public static Role valueOf(String code) {
        return valueOf(Role.class, code);
    }
}