getFileContentType
Detects the type of content stored in a file using a path.
Return
FileMetadata.FileContentType.Text for text files, FileMetadata.FileContentType.Binary for binary files.
Parameters
path
The path to a file whose content type is to be detected.
Throws
if the path doesn't exist or isn't a regular file.
IOException
if an I/O error occurs while detecting the file content type.