public static ContentMediaSubtype Parse(string value)
{
if (value == null)
{
throw new ArgumentNullException(nameof(value));
}
if (value == string.Empty)
{
throw new FormatException("The content media subtype value can not be empty.");
}
if (value.Length > MaxLength)
{
throw new FormatException($"The content media subtype value can not exceed {MaxLength} characters.");
}
if (value.Any(tokenCharacter => !TokenCharacter.IsAcceptable(tokenCharacter)))
{
throw new FormatException(
$"The content media subtype value must not contain spaces, control characters nor one of the unacceptable token characters {string.Join(", ", TokenCharacter.UnacceptableCharacters.Select(candidate => "'" + candidate + "'"))}");
}
return(new ContentMediaSubtype(value));
}
public static bool TryParse(string value, out ContentMediaType parsed)
{
if (value == null)
{
throw new ArgumentNullException(nameof(value));
}
if (value.Length > MaxLength)
{
parsed = default;
return(false);
}
if (value.StartsWith("X-"))
{
if (value.Length == 2 ||
value.Skip(2).Any(tokenCharacter => !TokenCharacter.IsAcceptable(tokenCharacter)))
{
parsed = default;
return(false);
}
}
else if (!Array.Exists(
KnownMediaTypes,
candidate => string.Equals(candidate, value, StringComparison.InvariantCulture)))
{
parsed = default;
return(false);
}
parsed = new ContentMediaType(value);
return(true);
}
public static ContentMediaType Parse(string value)
{
if (value == null)
{
throw new ArgumentNullException(nameof(value));
}
if (value == string.Empty)
{
throw new FormatException("The content media type value can not be empty.");
}
if (value.Length > MaxLength)
{
throw new FormatException($"The content media type value can not exceed {MaxLength} characters.");
}
if (value.StartsWith("X-"))
{
if (value.Length == 2)
{
throw new FormatException(
"The custom content media type value must be longer than 2 characters.");
}
if (value.Skip(2).Any(tokenCharacter => !TokenCharacter.IsAcceptable(tokenCharacter)))
{
throw new FormatException(
$"The custom content media type value must not contain spaces, control characters nor one of the unacceptable token characters {string.Join(", ", TokenCharacter.UnacceptableCharacters.Select(candidate => "'" + candidate + "'"))}.");
}
}
else if (!Array.Exists(KnownMediaTypes, candidate => string.Equals(candidate, value, StringComparison.InvariantCulture)))
{
throw new FormatException(
$"The content media type value must be either a private media type starting with 'X-' or one of {string.Join(", ", KnownMediaTypes.Select(candidate => "'" + candidate + "'"))}.");
}
return(new ContentMediaType(value));
}
public static bool TryParse(string value, out ContentMediaSubtype parsed)
{
if (value == null)
{
throw new ArgumentNullException(nameof(value));
}
if (value == string.Empty || value.Length > MaxLength || value.Any(tokenCharacter => !TokenCharacter.IsAcceptable(tokenCharacter)))
{
parsed = default;
return(false);
}
parsed = new ContentMediaSubtype(value);
return(true);
}