wehub-resource-sync
71 lines
2.4 KiB
C#
71 lines
2.4 KiB
C#
/*
|
|
* QUANTCONNECT.COM - Democratizing Finance, Empowering Individuals.
|
|
* Lean Algorithmic Trading Engine v2.0. Copyright 2014 QuantConnect Corporation.
|
|
*
|
|
* Licensed under the Apache License, Version 2.0 (the "License");
|
|
* you may not use this file except in compliance with the License.
|
|
* You may obtain a copy of the License at http://www.apache.org/licenses/LICENSE-2.0
|
|
*
|
|
* Unless required by applicable law or agreed to in writing, software
|
|
* distributed under the License is distributed on an "AS IS" BASIS,
|
|
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
|
* See the License for the specific language governing permissions and
|
|
* limitations under the License.
|
|
*
|
|
*/
|
|
|
|
using System;
|
|
using System.Globalization;
|
|
|
|
namespace QuantConnect.Util
|
|
{
|
|
/// <summary>
|
|
/// Allows for conversion of string numeric values from JSON to the <see cref="decimal"/> type
|
|
/// </summary>
|
|
public class StringDecimalJsonConverter : TypeChangeJsonConverter<decimal, string>
|
|
{
|
|
private readonly bool _defaultOnFailure;
|
|
|
|
/// <summary>
|
|
/// Creates an instance of the class, with an optional flag to default to decimal's default value on failure.
|
|
/// </summary>
|
|
/// <param name="defaultOnFailure">Default to decimal's default value on failure</param>
|
|
public StringDecimalJsonConverter(bool defaultOnFailure = false)
|
|
{
|
|
_defaultOnFailure = defaultOnFailure;
|
|
}
|
|
|
|
/// <summary>
|
|
/// Converts a decimal to a string
|
|
/// </summary>
|
|
/// <param name="value">The input value to be converted before serialization</param>
|
|
/// <returns>String representation of the decimal</returns>
|
|
protected override string Convert(decimal value)
|
|
{
|
|
return value.ToStringInvariant();
|
|
}
|
|
|
|
/// <summary>
|
|
/// Converts the input string to a decimal
|
|
/// </summary>
|
|
/// <param name="value">The deserialized value that needs to be converted to T</param>
|
|
/// <returns>The converted value</returns>
|
|
protected override decimal Convert(string value)
|
|
{
|
|
try
|
|
{
|
|
return decimal.Parse(value, NumberStyles.Any, CultureInfo.InvariantCulture);
|
|
}
|
|
catch (Exception)
|
|
{
|
|
if (_defaultOnFailure)
|
|
{
|
|
return default(decimal);
|
|
}
|
|
|
|
throw;
|
|
}
|
|
}
|
|
}
|
|
}
|