/// <summary>
/// Parses the given string value converting it to the given type.
/// </summary>
/// <typeparam name="T">The <see cref="Type" /> to convert the string to.</typeparam>
/// <param name="value">The <see cref="string" /> value to parse.</param>
/// <param name="culture">The <see cref="CultureInfo" /> to use as the current culture.
/// <remarks>If not set will parse using <see cref="CultureInfo.InvariantCulture" /></remarks></param>
/// <returns>
/// The <typeparamref name="T" />.
/// </returns>
public T ParseValue <T>(string value, CultureInfo culture = null)
{
if (culture == null)
{
culture = CultureInfo.InvariantCulture;
}
Type type = typeof(T);
IQueryParamConverter converter = QueryTypeDescriptor.GetConverter(type);
if (converter == null && Nullable.GetUnderlyingType(type) is Type underlyingType)
{
type = underlyingType;
converter = QueryTypeDescriptor.GetConverter(type);
}
try
{
// ReSharper disable once AssignNullToNotNullAttribute
return((T)converter.ConvertFrom(culture, HttpUtility.UrlDecode(value), type));
}
catch
{
// Return the default value
return(default(T));
}
}
/// <summary>
/// Initializes a new instance of the <see cref="GenericListTypeConverter{T}"/> class.
/// </summary>
/// <exception cref="InvalidOperationException">
/// Thrown if no converter exists for the given type.
/// </exception>
public GenericListTypeConverter()
{
Type type = typeof(T);
this.typeConverter = QueryTypeDescriptor.GetConverter(type);
if (this.typeConverter == null)
{
throw new InvalidOperationException("No type converter exists for type " + type.FullName);
}
}
/// <summary>
/// Parses the given string value converting it to the given type.
/// </summary>
/// <param name="type">
/// The <see cref="Type"/> to convert the string to.
/// </param>
/// <param name="value">
/// The <see cref="string"/> value to parse.
/// </param>
/// <param name="culture">
/// The <see cref="CultureInfo"/> to use as the current culture.
/// <remarks>If not set will parse using <see cref="CultureInfo.InvariantCulture"/></remarks>
/// </param>
/// <returns>
/// The <see cref="object"/>.
/// </returns>
public object ParseValue(Type type, string value, CultureInfo culture = null)
{
if (culture == null)
{
culture = CultureInfo.InvariantCulture;
}
IQueryParamConverter converter = QueryTypeDescriptor.GetConverter(type);
try
{
// ReSharper disable once AssignNullToNotNullAttribute
return(converter.ConvertFrom(culture, HttpUtility.UrlDecode(value), type));
}
catch
{
// Return the default value
return(TypeDefaultsCache.GetOrAdd(type, t => this.GetDefaultValue(type)));
}
}
