content: /*
   * 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
   *
   *        https://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.adobe;
  
  import com.drew.lang.annotations.Nullable;
  import com.drew.metadata.TagDescriptor;
  
  import static com.drew.metadata.adobe.AdobeJpegDirectory.*;
  
  /**
   * Provides human-readable string versions of the tags stored in an AdobeJpegDirectory.
   */
  @SuppressWarnings("WeakerAccess")
  public class AdobeJpegDescriptor extends TagDescriptor<AdobeJpegDirectory>
  {
      public AdobeJpegDescriptor(AdobeJpegDirectory directory)
      {
          super(directory);
      }
  
      @Override
      public String getDescription(int tagType)
      {
          switch (tagType) {
              case TAG_COLOR_TRANSFORM:
                  return getColorTransformDescription();
              case TAG_DCT_ENCODE_VERSION:
                  return getDctEncodeVersionDescription();
              default:
                  return super.getDescription(tagType);
          }
      }
  
      @Nullable
      private String getDctEncodeVersionDescription()
      {
          Integer value = _directory.getInteger(TAG_DCT_ENCODE_VERSION);
          return value == null
                  ? null
                  : value == 0x64
                      ? "100"
                      : Integer.toString(value);
      }
  
      @Nullable
      private String getColorTransformDescription()
      {
          return getIndexedDescription(TAG_COLOR_TRANSFORM,
              "Unknown (RGB or CMYK)",
              "YCbCr",
              "YCCK");
      }
  }
  