001    /*
002     *    GeoAPI - Java interfaces for OGC/ISO standards
003     *    http://www.geoapi.org
004     *
005     *    Copyright (C) 2004-2012 Open Geospatial Consortium, Inc.
006     *    All Rights Reserved. http://www.opengeospatial.org/ogc/legal
007     *
008     *    Permission to use, copy, and modify this software and its documentation, with
009     *    or without modification, for any purpose and without fee or royalty is hereby
010     *    granted, provided that you include the following on ALL copies of the software
011     *    and documentation or portions thereof, including modifications, that you make:
012     *
013     *    1. The full text of this NOTICE in a location viewable to users of the
014     *       redistributed or derivative work.
015     *    2. Notice of any changes or modifications to the OGC files, including the
016     *       date changes were made.
017     *
018     *    THIS SOFTWARE AND DOCUMENTATION IS PROVIDED "AS IS," AND COPYRIGHT HOLDERS MAKE
019     *    NO REPRESENTATIONS OR WARRANTIES, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED
020     *    TO, WARRANTIES OF MERCHANTABILITY OR FITNESS FOR ANY PARTICULAR PURPOSE OR THAT
021     *    THE USE OF THE SOFTWARE OR DOCUMENTATION WILL NOT INFRINGE ANY THIRD PARTY
022     *    PATENTS, COPYRIGHTS, TRADEMARKS OR OTHER RIGHTS.
023     *
024     *    COPYRIGHT HOLDERS WILL NOT BE LIABLE FOR ANY DIRECT, INDIRECT, SPECIAL OR
025     *    CONSEQUENTIAL DAMAGES ARISING OUT OF ANY USE OF THE SOFTWARE OR DOCUMENTATION.
026     *
027     *    The name and trademarks of copyright holders may NOT be used in advertising or
028     *    publicity pertaining to the software without specific, written prior permission.
029     *    Title to copyright in this software and any associated documentation will at all
030     *    times remain with copyright holders.
031     */
032    package org.opengis.metadata.constraint;
033    
034    import java.util.List;
035    import java.util.ArrayList;
036    
037    import org.opengis.util.CodeList;
038    import org.opengis.annotation.UML;
039    
040    import static org.opengis.annotation.Obligation.*;
041    import static org.opengis.annotation.Specification.*;
042    
043    
044    /**
045     * Name of the handling restrictions on the dataset.
046     *
047     * @author  Martin Desruisseaux (IRD)
048     * @version 3.0
049     * @since   2.0
050     */
051    @UML(identifier="MD_ClassificationCode", specification=ISO_19115)
052    public final class Classification extends CodeList<Classification> {
053        /**
054         * Serial number for compatibility with different versions.
055         */
056        private static final long serialVersionUID = -549174931332214797L;
057    
058        /**
059         * List of all enumerations of this type.
060         * Must be declared before any enum declaration.
061         */
062        private static final List<Classification> VALUES = new ArrayList<Classification>(5);
063    
064        /**
065         * Available for general disclosure.
066         */
067        @UML(identifier="unclassified", obligation=CONDITIONAL, specification=ISO_19115)
068        public static final Classification UNCLASSIFIED = new Classification("UNCLASSIFIED");
069    
070        /**
071         * Not for general disclosure.
072         */
073        @UML(identifier="restricted", obligation=CONDITIONAL, specification=ISO_19115)
074        public static final Classification RESTRICTED = new Classification("RESTRICTED");
075    
076        /**
077         * Available for someone who can be entrusted with information.
078         */
079        @UML(identifier="confidential", obligation=CONDITIONAL, specification=ISO_19115)
080        public static final Classification CONFIDENTIAL = new Classification("CONFIDENTIAL");
081    
082        /**
083         * Kept or meant to be kept private, unknown, or hidden from all but a select group of people.
084         */
085        @UML(identifier="secret", obligation=CONDITIONAL, specification=ISO_19115)
086        public static final Classification SECRET = new Classification("SECRET");
087    
088        /**
089         * Of the highest secrecy.
090         */
091        @UML(identifier="topSecret", obligation=CONDITIONAL, specification=ISO_19115)
092        public static final Classification TOP_SECRET = new Classification("TOP_SECRET");
093    
094        /**
095         * Constructs an enum with the given name. The new enum is
096         * automatically added to the list returned by {@link #values}.
097         *
098         * @param name The enum name. This name must not be in use by an other enum of this type.
099         */
100        private Classification(final String name) {
101            super(name, VALUES);
102        }
103    
104        /**
105         * Returns the list of {@code Classification}s.
106         *
107         * @return The list of codes declared in the current JVM.
108         */
109        public static Classification[] values() {
110            synchronized (VALUES) {
111                return VALUES.toArray(new Classification[VALUES.size()]);
112            }
113        }
114    
115        /**
116         * Returns the list of enumerations of the same kind than this enum.
117         */
118        @Override
119        public Classification[] family() {
120            return values();
121        }
122    
123        /**
124         * Returns the classification that matches the given string, or returns a
125         * new one if none match it. More specifically, this methods returns the first instance for
126         * which <code>{@linkplain #name() name()}.{@linkplain String#equals equals}(code)</code>
127         * returns {@code true}. If no existing instance is found, then a new one is created for
128         * the given name.
129         *
130         * @param code The name of the code to fetch or to create.
131         * @return A code matching the given name.
132         */
133        public static Classification valueOf(String code) {
134            return valueOf(Classification.class, code);
135        }
136    }