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 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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 * under the terms of the GNU General Public License version 2 only, as
 * published by the Free Software Foundation.  Oracle designates this
 * particular file as subject to the "Classpath" exception as provided
 * by Oracle in the LICENSE file that accompanied this code.
 *
 * This code 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
 * version 2 for more details (a copy is included in the LICENSE file that
 * accompanied this code).
 *
 * You should have received a copy of the GNU General Public License version
 * 2 along with this work; if not, write to the Free Software Foundation,
 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
 *
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package javax.imageio.plugins.tiff;

import java.util.ArrayList;
import java.util.List;

A class representing the tags found in an Exif Interoperability IFD.
See Also:
ExifTIFFTagSet
Since:
9/**
 * A class representing the tags found in an Exif Interoperability IFD.
 *
 * @since 9
 * @see   ExifTIFFTagSet
 */
public final class ExifInteroperabilityTagSet extends TIFFTagSet {
    
A tag indicating the identification of the Interoperability rule
(type ASCII).
See Also:
INTEROPERABILITY_INDEX_R98
INTEROPERABILITY_INDEX_THM/**
     * A tag indicating the identification of the Interoperability rule
     * (type ASCII).
     *
     * @see #INTEROPERABILITY_INDEX_R98
     * @see #INTEROPERABILITY_INDEX_THM
     */
    public static final int TAG_INTEROPERABILITY_INDEX = 1;

    
A value to be used with the "InteroperabilityIndex" tag. Indicates
a file conforming to the R98 file specification of Recommended Exif
Interoperability Rules (ExifR98) or to the DCF basic file stipulated
by the Design Rule for Camera File System (type ASCII).
See Also:
TAG_INTEROPERABILITY_INDEX/**
     * A value to be used with the "InteroperabilityIndex" tag. Indicates
     * a file conforming to the R98 file specification of Recommended Exif
     * Interoperability Rules (ExifR98) or to the DCF basic file stipulated
     * by the Design Rule for Camera File System (type ASCII).
     *
     * @see #TAG_INTEROPERABILITY_INDEX
     */
    public static final String INTEROPERABILITY_INDEX_R98 = "R98";

    
A value to be used with the "InteroperabilityIndex" tag. Indicates
a file conforming to the DCF thumbnail file stipulated by the Design
rule for Camera File System (type ASCII).
See Also:
TAG_INTEROPERABILITY_INDEX/**
     * A value to be used with the "InteroperabilityIndex" tag. Indicates
     * a file conforming to the DCF thumbnail file stipulated by the Design
     * rule for Camera File System (type ASCII).
     *
     * @see #TAG_INTEROPERABILITY_INDEX
     */
    public static final String INTEROPERABILITY_INDEX_THM = "THM";

    private static ExifInteroperabilityTagSet theInstance = null;

    static class InteroperabilityIndex extends TIFFTag {

        public InteroperabilityIndex() {
            super("InteroperabilityIndex",
                  TAG_INTEROPERABILITY_INDEX,
                  1 << TIFFTag.TIFF_ASCII);
        }
    }

    private static List<TIFFTag> tags;

    private static void initTags() {
        tags = new ArrayList<TIFFTag>(42);

        tags.add(new ExifInteroperabilityTagSet.InteroperabilityIndex());
    }

    private ExifInteroperabilityTagSet() {
        super(tags);
    }

    
Returns the shared instance of ExifInteroperabilityTagSet. 
Returns:
the ExifInteroperabilityTagSet instance./**
     * Returns the shared instance of
     * {@code ExifInteroperabilityTagSet}.
     *
     * @return the {@code ExifInteroperabilityTagSet} instance.
     */
    public synchronized static ExifInteroperabilityTagSet getInstance() {
        if (theInstance == null) {
            initTags();
            theInstance = new ExifInteroperabilityTagSet();
            tags = null;
        }
        return theInstance;
    }
}