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/*
 * Copyright 2002-2019 Drew Noakes and contributors
 *
 *    Licensed under the Apache License, Version 2.0 (the "License");
 *    you may not use this file except in compliance with the License.
 *    You may obtain a copy of the License at
 *
 *        http://www.apache.org/licenses/LICENSE-2.0
 *
 *    Unless required by applicable law or agreed to in writing, software
 *    distributed under the License is distributed on an "AS IS" BASIS,
 *    WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 *    See the License for the specific language governing permissions and
 *    limitations under the License.
 *
 * More information about this project is available at:
 *
 *    https://drewnoakes.com/code/exif/
 *    https://github.com/drewnoakes/metadata-extractor
 */

package com.drew.metadata.exif;

import com.drew.lang.annotations.NotNull;

import java.util.HashMap;

/**
 * Describes Exif tags from the IFD0 directory.
 *
 * @author Drew Noakes https://drewnoakes.com
 */
@SuppressWarnings("WeakerAccess")
public class ExifIFD0Directory extends ExifDirectoryBase
{
    /** This tag is a pointer to the Exif SubIFD. */
    public static final int TAG_EXIF_SUB_IFD_OFFSET = 0x8769;

    /** This tag is a pointer to the Exif GPS IFD. */
    public static final int TAG_GPS_INFO_OFFSET = 0x8825;

    public ExifIFD0Directory()
    {
        this.setDescriptor(new ExifIFD0Descriptor(this));
    }

    @NotNull
    private static final HashMap _tagNameMap = new HashMap();

    static
    {
        addExifTagNames(_tagNameMap);
    }

    @Override
    @NotNull
    public String getName()
    {
        return "Exif IFD0";
    }

    @Override
    @NotNull
    protected HashMap getTagNameMap()
    {
        return _tagNameMap;
    }
}