public static void Check(string filepath, FileCheckerOptions options = null)
{
if (string.IsNullOrWhiteSpace(filepath))
{
throw new ArgumentNullException(nameof(filepath));
}
if (!File.Exists(filepath))
{
throw new ArgumentException($"File {filepath} does not exist.", nameof(filepath));
}
if (options != null)
{
var info = new FileInfo(filepath);
if (options.Extensions != null && options.Extensions.Any() && !options.Extensions.Contains(info.Extension))
{
throw new ArgumentException($"File {filepath} has invalid extension.", nameof(filepath));
}
if (options.FileSizeLimit > 0 && info.Length > options.FileSizeLimit)
{
throw new ArgumentException($"File {filepath} has invalid size.", nameof(filepath));
}
}
}
public static void Check(IEnumerable <string> filepaths, FileCheckerOptions options = null)
{
if (options != null && options.MaxFilesCount > 0 && filepaths.Count() > options.MaxFilesCount)
{
throw new ArgumentException($"Max files count is {options.MaxFilesCount}.", nameof(filepaths));
}
foreach (var path in filepaths)
{
Check(path, options);
}
}