/// <summary>
/// Tries to normalize variable by searching InstancePool and converting of variable to the desired <see cref="Type" />
/// </summary>
/// <param name="variable">The variable to normalize</param>
/// <param name="normalizeType">The <see cref="Type" /> to convert variable to</param>
/// <param name="throwOnException">
/// A boolean value indicating if the method should throw an exception or just returns
/// <see langword="null" /> in case of errors
/// </param>
/// <returns>
/// New <see langword="object" /> created or casted from the variable in the desired <see cref="Type" />, or
/// <see langword="null" />
/// </returns>
/// <exception cref="InvalidCastException">
/// The passed variable can not be converted to the desired <see cref="Type" />
/// </exception>
public static object NormalizeVariable(object variable, Type normalizeType, bool throwOnException)
{
if (variable != null)
{
try
{
var javaScriptClass = variable as JObject;
if (javaScriptClass != null)
{
var instanceIdProperty =
javaScriptClass.Property("__instanceId")?.Value?.ToString(Formatting.None).Trim('"', ' ');
if (!string.IsNullOrWhiteSpace(instanceIdProperty))
{
var instance = GlobalPool.GetInstance(instanceIdProperty);
if (instance != null && (normalizeType == null || normalizeType.IsInstanceOfType(instance)))
{
return(instance);
}
}
return(normalizeType == null
? variable
: javaScriptClass.ToObject(normalizeType));
}
return(normalizeType == null || normalizeType.IsInstanceOfType(variable)
? variable
: Convert.ChangeType(variable, normalizeType, null));
}
catch (InvalidCastException)
{
if (throwOnException)
{
throw;
}
}
catch (ArgumentException e)
{
if (throwOnException)
{
throw new InvalidCastException(e.Message, e);
}
}
}
return(normalizeType != null && normalizeType.IsValueType ? Activator.CreateInstance(normalizeType) : null);
}
/// <summary>
/// Returns an instance of the generic type from global pool using instance id
/// </summary>
/// <param name="instanceId">The identification string of the instance</param>
/// <returns>The registered instance</returns>
public static T GetInstance(string instanceId)
{
return(GlobalPool.GetInstance <T>(instanceId));
}
