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I am trying to extract Metadata field from a TIFF file using GeoTools in Java, since I can't use GDAL to achieve that on the deployment platform.

I downloaded a TIFF sample file and used gdalinfo command from shell, getting this output:

Driver: GTiff/GeoTIFF
Files: path\to\file_example_TIFF_1MB.tiff
Size is 650, 434
Metadata:
  TIFFTAG_DOCUMENTNAME=/home/user/Desktop/www/file ex/files/grafa/tiff/file_example_TIFF_1MB.tiff
  TIFFTAG_RESOLUTIONUNIT=2 (pixels/inch)
  TIFFTAG_XRESOLUTION=72.009003
  TIFFTAG_YRESOLUTION=72.009003
Image Structure Metadata:
  INTERLEAVE=PIXEL
Corner Coordinates:
Upper Left  (    0.0,    0.0)
Lower Left  (    0.0,  434.0)
Upper Right (  650.0,    0.0)
Lower Right (  650.0,  434.0)
Center      (  325.0,  217.0)
Band 1 Block=650x64 Type=Byte, ColorInterp=Red
  Mask Flags: PER_DATASET ALPHA
Band 2 Block=650x64 Type=Byte, ColorInterp=Green
  Mask Flags: PER_DATASET ALPHA
Band 3 Block=650x64 Type=Byte, ColorInterp=Blue
  Mask Flags: PER_DATASET ALPHA
Band 4 Block=650x64 Type=Byte, ColorInterp=Alpha

I was able to fetch every other field using GeoTools, but I can't retrieve the Metadata field.

Is there a way to do it?

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