internal static U Convert <U>(this RavenJToken token, bool cast)
{
if (cast)
{
// HACK
return((U)(object)token);
}
if (token == null)
{
return(default(U));
}
var value = token as RavenJValue;
if (value == null)
{
throw new InvalidCastException("Cannot cast {0} to {1}.".FormatWith(CultureInfo.InvariantCulture, token.GetType(), typeof(U)));
}
if (value.Value is U)
{
return((U)value.Value);
}
Type targetType = typeof(U);
if (targetType.IsGenericType && targetType.GetGenericTypeDefinition() == typeof(Nullable <>))
{
if (value.Value == null)
{
return(default(U));
}
targetType = Nullable.GetUnderlyingType(targetType);
}
if (targetType == typeof(Guid))
{
if (value.Value == null)
{
return(default(U));
}
return((U)(object)new Guid(value.Value.ToString()));
}
if (targetType == typeof(string))
{
if (value.Value == null)
{
return(default(U));
}
return((U)(object)value.Value.ToString());
}
if (targetType == typeof(DateTime) && value.Value is string)
{
DateTime dateTime;
if (DateTime.TryParseExact((string)value.Value, Default.DateTimeFormatsToRead, CultureInfo.InvariantCulture, DateTimeStyles.RoundtripKind, out dateTime))
{
return((U)(object)dateTime);
}
dateTime = RavenJsonTextReader.ParseDateMicrosoft((string)value.Value);
return((U)(object)dateTime);
}
return((U)System.Convert.ChangeType(value.Value, targetType, CultureInfo.InvariantCulture));
}
internal static U Convert <U>(this RavenJToken token, bool cast)
{
if (cast)
{
// HACK
return((U)(object)token);
}
if (token == null || token.Type == JTokenType.Null)
{
return(default(U));
}
var value = token as RavenJValue;
if (value == null)
{
throw new InvalidCastException("Cannot cast {0} to {1}.".FormatWith(CultureInfo.InvariantCulture, token.GetType(), typeof(U)));
}
if (value.Value is U)
{
return((U)value.Value);
}
Type targetType = typeof(U);
if (targetType.IsGenericType() && targetType.GetGenericTypeDefinition() == typeof(Nullable <>))
{
if (value.Value == null)
{
return(default(U));
}
targetType = Nullable.GetUnderlyingType(targetType);
}
if (targetType == typeof(Guid))
{
if (value.Value == null)
{
return(default(U));
}
return((U)(object)new Guid(value.Value.ToString()));
}
if (targetType == typeof(string))
{
if (value.Value == null)
{
return(default(U));
}
return((U)(object)value.Value.ToString());
}
if (targetType == typeof(DateTime))
{
var s = value.Value as string;
if (s != null)
{
DateTime dateTime;
if (DateTime.TryParseExact(s, Default.DateTimeFormatsToRead, CultureInfo.InvariantCulture,
DateTimeStyles.RoundtripKind, out dateTime))
{
return((U)(object)dateTime);
}
dateTime = RavenJsonTextReader.ParseDateMicrosoft(s);
return((U)(object)dateTime);
}
if (value.Value is DateTimeOffset)
{
return((U)(object)((DateTimeOffset)value.Value).UtcDateTime);
}
}
if (targetType == typeof(DateTimeOffset))
{
var s = value.Value as string;
if (s != null)
{
DateTimeOffset dateTimeOffset;
if (DateTimeOffset.TryParseExact(s, Default.DateTimeFormatsToRead, CultureInfo.InvariantCulture,
DateTimeStyles.RoundtripKind, out dateTimeOffset))
{
return((U)(object)dateTimeOffset);
}
return(default(U));
}
if (value.Value is DateTime)
{
return((U)(object)(new DateTimeOffset((DateTime)value.Value)));
}
}
if (targetType == typeof(byte[]) && value.Value is string)
{
return((U)(object)System.Convert.FromBase64String((string)value.Value));
}
if (value.Value == null && typeof(U).IsValueType)
{
throw new InvalidOperationException("value.Value == null and conversion target type is not nullable");
}
try
{
return((U)System.Convert.ChangeType(value.Value, targetType, CultureInfo.InvariantCulture));
}
catch (Exception e)
{
if (value.Value != null)
{
throw new InvalidOperationException(string.Format("Unable to find suitable conversion for {0} since it is not predefined and does not implement IConvertible. ", value.Value.GetType()), e);
}
throw new InvalidOperationException(string.Format("Unable to find suitable conversion for {0} since it is not predefined ", value), e);
}
}
public static T Convert <T>(object value, bool cast)
{
if (cast)
{
// HACK
return((T)value);
}
if (value == null)
{
return(default(T));
}
if (value is T)
{
return((T)value);
}
Type targetType = typeof(T);
if (targetType.GetTypeInfo().IsGenericType&& targetType.GetGenericTypeDefinition() == typeof(Nullable <>))
{
targetType = Nullable.GetUnderlyingType(targetType);
}
if (targetType == typeof(Guid))
{
return((T)(object)new Guid(value.ToString()));
}
if (targetType == typeof(string))
{
return((T)(object)value.ToString());
}
if (targetType == typeof(DateTime))
{
if (value is DateTimeOffset)
{
return((T)(object)((DateTimeOffset)value).DateTime);
}
var s = value as string;
if (s == null)
{
var lzv = value as LazyStringValue;
if (lzv != null)
{
s = lzv;
}
}
if (s != null)
{
DateTime dateTime;
if (DateTime.TryParseExact(s, Default.DateTimeFormatsToRead, CultureInfo.InvariantCulture,
DateTimeStyles.RoundtripKind, out dateTime))
{
return((T)(object)dateTime);
}
dateTime = RavenJsonTextReader.ParseDateMicrosoft(s);
return((T)(object)dateTime);
}
}
if (targetType == typeof(DateTimeOffset))
{
var s = value as string ?? value as LazyStringValue;
if (s != null)
{
DateTimeOffset dateTimeOffset;
if (DateTimeOffset.TryParseExact(s, Default.DateTimeFormatsToRead, CultureInfo.InvariantCulture,
DateTimeStyles.RoundtripKind, out dateTimeOffset))
{
return((T)(object)dateTimeOffset);
}
return(default(T));
}
}
var lsv = value as LazyStringValue;
if (lsv != null)
{
value = (string)lsv;
}
try
{
return((T)System.Convert.ChangeType(value, targetType, CultureInfo.InvariantCulture));
}
catch (Exception e)
{
throw new InvalidOperationException(string.Format("Unable to find suitable conversion for {0} since it is not predefined ", value), e);
}
}
