using Newtonsoft.Json.Linq; using System; using System.Globalization; namespace NJsonSchema.Validation.FormatValidators { public class DateTimeFormatValidator : IFormatValidator { private readonly string[] _acceptableFormats = new string[15] { "yyyy-MM-dd'T'HH:mm:ss.FFFK", "yyyy-MM-dd' 'HH:mm:ss.FFFK", "yyyy-MM-dd'T'HH:mm:ssK", "yyyy-MM-dd' 'HH:mm:ssK", "yyyy-MM-dd'T'HH:mm:ss", "yyyy-MM-dd' 'HH:mm:ss", "yyyy-MM-dd'T'HH:mm", "yyyy-MM-dd' 'HH:mm", "yyyy-MM-dd'T'HH", "yyyy-MM-dd' 'HH", "yyyy-MM-dd", "yyyy-MM-dd", "yyyyMMdd", "yyyy-MM", "yyyy" }; public string Format { get; } = "date-time"; public ValidationErrorKind ValidationErrorKind { get; } = ValidationErrorKind.DateTimeExpected; public bool IsValid(string value, JTokenType tokenType) { DateTimeOffset result; if (tokenType != JTokenType.Date) return DateTimeOffset.TryParseExact(value, _acceptableFormats, CultureInfo.InvariantCulture, DateTimeStyles.None, out result); return true; } } }