Ejemplo n.º 1
0
        // Converts the value of a single element to a desired type.
        private static object CreateObjectFromString(string value, Type dstType)
        {
            var underlyingType = Nullable.GetUnderlyingType(dstType);

            if (underlyingType != null)
            {
                if (string.IsNullOrEmpty(value))
                {
                    return(null); // Returns Nullable<T>().
                }
                // Otherwise, continue with our conversion using
                // the underlying type of the nullable.
                dstType = underlyingType;
            }

            var converter = Configuration.FindTypeStringConverter(dstType);

            try
            {
                return(converter.ConvertFromString(value, dstType));
            }
            catch (Exception ex)
            {
                throw SettingValueCastException.Create(value, dstType, ex);
            }
        }
Ejemplo n.º 2
0
        // Converts the value of a single element to a desired type.
        private static object CreateObjectFromString(string value, Type dstType)
        {
            var underlyingType = Nullable.GetUnderlyingType(dstType);

            if (underlyingType != null)
            {
                if (string.IsNullOrEmpty(value))
                {
                    return(null); // Returns Nullable<T>().
                }
                // Otherwise, continue with our conversion using
                // the underlying type of the nullable.
                dstType = underlyingType;
            }

            var converter = Configuration.FindTypeStringConverter(dstType);

            if (converter == Configuration.FallbackConverter)
            {
                // The fallback converter is not able to create arbitrary objects
                // from strings, so this means that there is no type converter
                // registered for dstType.
                throw SettingValueCastException.CreateBecauseConverterMissing(value, dstType);
            }

            try
            {
                return(converter.ConvertFromString(value, dstType));
            }
            catch (Exception ex)
            {
                throw SettingValueCastException.Create(value, dstType, ex);
            }
        }
 public string ConvertToString(object value)
 {
     try
     {
         var converter = TypeDescriptor.GetConverter(value);
         return(converter.ConvertToString(null, Configuration.CultureInfo, value));
     }
     catch (Exception ex)
     {
         throw SettingValueCastException.Create(value.ToString(), value.GetType(), ex);
     }
 }
 public object ConvertFromString(string value, Type hint)
 {
     try
     {
         var converter = TypeDescriptor.GetConverter(hint);
         return(converter.ConvertFrom(null, Configuration.CultureInfo, value));
     }
     catch (Exception ex)
     {
         throw SettingValueCastException.Create(value, hint, ex);
     }
 }
        public override object ConvertFromString(string value, Type hint)
        {
            switch (value.ToLowerInvariant())
            {
            case "false":
            case "off":
            case "no":
            case "n":
            case "0":
                return(false);

            case "true":
            case "on":
            case "yes":
            case "y":
            case "1":
                return(true);
            }

            throw SettingValueCastException.Create(value, hint, null);
        }
 public override object ConvertFromString(string value, Type hint)
 {
     return(TryConvertFromString(value, hint) ?? throw SettingValueCastException.Create(value, hint, null));
 }