/// <summary>Migrate internal data model from request type to appropriate type in final form</summary>
/// <typeparam name="T">Type of data response that should be returned</typeparam>
/// <param name="json">Json string at immediate data level</param>
/// <returns>T</returns>
public static R Migrate <R, I>(string json)
where R : class
{
if (json == null)
{
return(null);
}
// convert to json object
I jsonObj = JsonConvert.DeserializeObject <I>(json, new JsonSerializerSettings {
NullValueHandling = NullValueHandling.Ignore
});
if (jsonObj == null)
{
return(null);
}
// cast to Migrateable and call its Migrate() method to get result migrated data
Migrateable <R> mig = (Migrateable <R>)jsonObj;
if (mig != null)
{
return(mig.Migrate());
}
else
{
return(null);
}
}
/*
* Migrate data of type N to R.
*/
public static R migrate <R, I>(ref I input)
where R : new()
{
Migrateable <R> mig = input as Migrateable <R>;
if (mig == null)
{
throw new Exception("input data has no migrate ability");
}
return((R)(object)mig.migrate());
}
/// <summary>Migrate from List (type I) to List (type R)</summary>
/// <typeparam name="R,I">R,I</typeparam>
/// <param name="input">List to be migrated</param>
/// <returns>List<R></returns>
public static List <R> MigrateList <R, I>(List <I> input)
where R : class
where I : class
{
List <R> list = new List <R>();
if (input != null)
{
for (int i = 0; i < input.Count; i++)
{
Migrateable <R> mig = (Migrateable <R>)input[i];
list.Add(mig.Migrate());
}
}
return(list);
}