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//For complete examples and data files, please go to https://github.com/groupdocsmetadata/GroupDocs_Metadata_NET
public class JpegPhotoParser
{
// absolute path to the GroupDocs.Metadata license file.
private const string LicensePath = @"GroupDocs.Metadata.lic";
// absolute path to the photos directory.
public string PhotosDirectory { get; set; }
static JpegPhotoParser()
{
/* set product license
* uncomment following function if you have product license
* */
//SetInternalLicense();
}
public JpegPhotoParser(string photosDirectory)
{
// check if directory exists
if (!Directory.Exists(Common.MapSourceFilePath( photosDirectory)))
{
throw new DirectoryNotFoundException("Directory not found: " + photosDirectory);
}
// set property
this.PhotosDirectory = photosDirectory;
}
/// <summary>
/// Applies the product license
/// </summary>
private static void SetInternalLicense()
{
License license = new License();
license.SetLicense(LicensePath);
}
/// <summary>
/// Takes manufacturer as input and returns photos made on particular camera
/// </summary>
/// <param name="manufacturer">Camera manufacturer name</param>
public void FilterByCameraManufacturer(string manufacturer)
{
// Map directory in source folder
string sourceDirectoryPath = Common.MapSourceFilePath(this.PhotosDirectory);
// get jpeg files
string[] files = Directory.GetFiles(sourceDirectoryPath, "*.jpg");
List<string> result = new List<string>();
foreach (string path in files)
{
// recognize file
FormatBase format = FormatFactory.RecognizeFormat(path);
// casting to JpegFormat
if (format is JpegFormat)
{
JpegFormat jpeg = (JpegFormat)format;
// get exif data
JpegExifInfo exif = (JpegExifInfo)jpeg.GetExifInfo();
if (exif != null)
{
if (string.Compare(exif.Make, manufacturer, StringComparison.OrdinalIgnoreCase) == 0)
{
// add file path to list
result.Add(Path.GetFileName(path));
}
}
}
}
Console.WriteLine(string.Join("\n", result));
}
}
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