public static void DeserializeFields <Attr>(this object model, JObject jObject, GDeserializeSettings settings = null) where Attr : Attribute
{
if (settings == null)
{
settings = new GDeserializeSettings();
}
settings.preHandler += (object handleModel, FieldInfo fieldInfo, ref bool skip) => {
var editorAttribute = fieldInfo.GetCustomAttribute(typeof(Attr)) as Attr;
if (editorAttribute == null)
{
skip = true;
}
};
DeserializeFields(model, jObject, settings);
}
public static void DeserializeFields(this object model, JObject jObject, GDeserializeSettings settings = null)
{
if (model == null)
{
return;
}
var fields = model.GetType().GetFields(BindingFlags.Public | BindingFlags.NonPublic | BindingFlags.Instance).OrderBy(field => field.MetadataToken).ToArray();
foreach (var fieldInfo in fields)
{
var preSkip = false;
settings?.preHandler?.Invoke(model, fieldInfo, ref preSkip);
if (preSkip)
{
continue;
}
if (!jObject.ContainsKey(fieldInfo.Name))
{
continue;
}
if (fieldInfo.FieldType.IsValueType && !fieldInfo.FieldType.IsEnum && !fieldInfo.FieldType.IsPrimitive)
{
// Struct
var jField = jObject.GetValue(fieldInfo.Name) as JObject;
if (jField == null)
{
continue;
}
var useDefaultHandler = true;
object field = null;
if (settings?.memberHandler != null)
{
useDefaultHandler = !settings.memberHandler.Invoke(model, fieldInfo, out field);
}
if (useDefaultHandler)
{
field = Activator.CreateInstance(fieldInfo.FieldType);
field.DeserializeFields(jField);
}
fieldInfo.SetValue(model, field);
}
else if (fieldInfo.FieldType.IsClass && fieldInfo.FieldType != typeof(string))
{
// Class
var jFieldToken = jObject.GetValue(fieldInfo.Name);
if (jFieldToken == null)
{
continue;
}
var useDefaultHandler = true;
object field = null;
if (settings?.memberHandler != null)
{
useDefaultHandler = !settings.memberHandler.Invoke(model, fieldInfo, out field);
}
if (useDefaultHandler)
{
if (typeof(IEnumerable).IsAssignableFrom(fieldInfo.FieldType))
{
fieldInfo.SetValue(model, JsonConvert.DeserializeObject(jFieldToken.ToString(), fieldInfo.FieldType));
}
else if (jFieldToken is JObject)
{
field = Activator.CreateInstance(fieldInfo.FieldType);
field.DeserializeFields(jFieldToken as JObject);
}
}
if (field != null)
{
fieldInfo.SetValue(model, field);
}
}
else if (fieldInfo.FieldType == typeof(string) || fieldInfo.FieldType.IsEnum || fieldInfo.FieldType.IsPrimitive)
{
// Enum or String or Primitive
var stringValue = jObject.GetValue <string>(fieldInfo.Name);
if (fieldInfo.FieldType.IsEnum)
{
fieldInfo.SetValue(model, Enum.Parse(fieldInfo.FieldType, stringValue));
}
else
{
fieldInfo.SetValue(model, Convert.ChangeType(stringValue, fieldInfo.FieldType));
}
}
}
}
