/// <summary>
/// Helper for reading properties from a <see cref="JObject"/> and casting and returning the proper type
/// </summary>
/// <typeparam name="T">Type to convert <see cref="JToken"/> into</typeparam>
/// <param name="jObject">Source of serialization</param>
/// <param name="propertyName">Name of the property to look up in the <see cref="JObject"/></param>
/// <param name="converter">Converter method from the <see cref="JToken"/> to <see cref="T"/></param>
/// <returns></returns>
public static T Read <T>(this JObject jObject, string propertyName, Func <JToken, T> converter)
{
// Get the value out of the JObject
if (jObject.TryGetValue(propertyName, out JToken token))
{
// Convert to type T
return(converter(token));
}
// Use exception
throw OurException.Throw(new PropertyNotFoundException(propertyName));
}
/// <summary>
/// Helper for reading properties from a <see cref="JObject"/> and casting and assigning the result to a particular item
/// </summary>
/// <typeparam name="T">Type to convert <see cref="JToken"/> into</typeparam>
/// <param name="jObject">Source of the data</param>
/// <param name="propertyName">Name of the property to lookup in the <see cref="JObject"/></param>
/// <param name="converter">Converts from <see cref="JToken"/> to type <see cref="T"/></param>
/// <param name="assigner">Lambda to assign the value of <see cref="T"/></param>
public static void Read <T>(this JObject jObject, string propertyName, Func <JToken, T> converter, Action <T> assigner)
{
// Try reading out the data
if (jObject.TryGetValue(propertyName, out JToken token))
{
// Convert the data
var result = converter(token);
// Assign to something
assigner(result);
}
// Use exception
throw OurException.Throw(new PropertyNotFoundException(propertyName));
}
/// <summary>
/// <see cref="IStorageMedium.Load(IInSerializer)"/>
/// </summary>
/// <param name="serializer">Where to load data from</param>
public void Load(IInSerializer serializer)
{
if (_mustExist && !File.Exists(_fileName))
{
throw OurException.Throw(new RequiredFileMissingException(_fileName));
}
else if (!_mustExist && !File.Exists(_fileName))
{
return;
}
// Prepare file to be read from
using var stream = new FileStream(_fileName, FileMode.Open);
// Reader
using var reader = new StreamReader(stream);
serializer.Load(reader);
}
