public static DateTime?StringToNullableDateTime(string str)
{
if (StringDateTimeDeterminer.Is(str))
{
return(StringDateTimeDeterminer.To(str));
}
if (DateTime.TryParse(str, out var dateTime))
{
return(dateTime);
}
return(null);
}
protected override bool IsValidImpl(object value)
{
if (VerifiableMember.MemberType == TypeClass.DateTimeClazz || VerifiableMember.MemberType == TypeClass.DateTimeNullableClazz)
{
return(true);
}
if (value is DateTime)
{
return(true);
}
if (value is string strValue)
{
return(StringDateTimeDeterminer.Is(strValue, _style));
}
return(StringDateTimeDeterminer.Is(value.ToString(), _style));
}
public static DateTime ObjectToDateTime(object obj, DateTime defaultVal = default)
{
if (obj is null)
{
return(defaultVal);
}
if (obj is string str)
{
return(StringToDateTime(str, defaultVal));
}
str = obj.ToString();
if (StringDateTimeDeterminer.Is(str))
{
return(StringToDateTime(str, defaultVal));
}
try
{
return(Convert.ToDateTime(obj));
}
catch
{
return(defaultVal);
}
}
/// <summary> /// Is DateTime /// </summary> /// <param name="str"></param> /// <returns></returns> public static bool IsDateTime(this string str) => StringDateTimeDeterminer.Is(str);
public static bool __dateTimeIs(string s, Type type, Action <object> action, string format, DateTimeStyles?dateTimeStyle, IFormatProvider provider) =>
type == TypeClass.DateTimeClazz && (format is null
? StringDateTimeDeterminer.Is(s, dateTimeStyle ?? DateTimeStyles.None, provider, ValueConverter.ConvertAct <DateTime>(action))
: StringDateTimeDeterminer.Exact.Is(s, format, dateTimeStyle ?? DateTimeStyles.None, provider, ValueConverter.ConvertAct <DateTime>(action)));