internal static ObjectData ToData(ObjectDataConverter converter,
object @object, ObjectDataConvertSettings settings, ObjectDataConvertSession session)
{
if (session == null)
{
session = new ObjectDataConvertSession();
}
if (session.TryGetConvertedData(@object, out var data))
{
return(data);
}
if (settings == null)
{
settings = ObjectDataConvertSettings.Default;
}
var type = @object.GetType();
if (converter == null)
{
converter = SelectConverter(settings, type);
}
var members = converter.ToDataMembers(@object, settings, session);
data = new ObjectData(type, members);
session.AddConverted(@object, data);
return(data);
}
public Operation(ICommand command)
{
_command = command;
_dataConvertSettings = new ObjectDataConvertSettings();
_dataSession = new ObjectDataConvertSession();
}
public object ToObject(ObjectData data,
ObjectDataConvertSettings settings = null, ObjectDataConvertSession session = null)
{
Ensure.Argument.NotNull(data, nameof(data));
return(ToObject(this, data, settings, session));
}
protected virtual IEnumerable <ObjectData.Member> ToDataMembers(
object @object, ObjectDataConvertSettings settings, ObjectDataConvertSession session)
{
var type = @object.GetType();
return(SelectDataMembers(type).Select(am => new ObjectData.Member(
am.Name, Data.ToData(am.GetValue(@object), settings, session))));
}
private static ObjectDataConverter SelectConverter(ObjectDataConvertSettings settings, Type convertType)
{
if (settings == null)
{
settings = ObjectDataConvertSettings.Default;
}
return(SelectConverter(settings.Selector, settings.Converters, convertType));
}
public static Data ToData(object @object,
ObjectDataConvertSettings settings = null, ObjectDataConvertSession session = null)
{
if (ValueData.TryCreate(@object, out var valueData))
{
return(valueData);
}
return(ObjectDataConverter.ToData(null, @object, settings, session));
}
public ObjectData ToData(object @object,
ObjectDataConvertSettings settings = null, ObjectDataConvertSession session = null)
{
if (ValueData.CanCreate(@object))
{
throw new ArgumentException($"Object can be only converted to {typeof(ValueData)}", nameof(@object));
}
return(ToData(this, @object, settings, session));
}
protected virtual void PopulateObjectMembers(object @object,
ObjectData data, ObjectDataConvertSettings settings, ObjectDataConvertSession session)
{
var type = @object.GetType();
foreach (var member in data.Members)
{
var am = AssignableMember.Get(type, member.Key, BindingAttributes.Instance);
var value = Data.ToObject(member.Value, settings, session);
am.SetValue(@object, value);
}
}
public static object ToObject(Data data,
ObjectDataConvertSettings settings = null, ObjectDataConvertSession session = null)
{
switch (data)
{
case null:
throw new ArgumentNullException(nameof(data));
case ValueData valueData:
return(valueData.Value);
case ObjectData objectData:
return(ObjectDataConverter.ToObject(null, objectData, settings, session));
default:
throw new NotSupportedException($"Create object for '{data.GetType()}' is not supported.");
}
}
internal static object ToObject(ObjectDataConverter converter,
ObjectData data, ObjectDataConvertSettings settings, ObjectDataConvertSession session)
{
if (session == null)
{
session = new ObjectDataConvertSession();
}
if (session.TryGetConvertedObject(data, out var @object))
{
return(@object);
}
if (settings == null)
{
settings = ObjectDataConvertSettings.Default;
}
if (converter == null)
{
converter = SelectConverter(settings, data.ObjectType);
}
@object = CreateObjectByDataConstructor(data);
if (!ReferenceEquals(@object, null))
{
session.AddConverted(@object, data);
return(@object);
}
@object = converter.CreateObject(data, settings, session);
if (ReferenceEquals(@object, null))
{
return(null);
}
converter.PopulateObjectMembers(@object, data, settings, session);
session.AddConverted(@object, data);
return(@object);
}
public static IEnumerable <object> ToObjects(IEnumerable <Data> datas,
ObjectDataConvertSettings settings = null, ObjectDataConvertSession session = null)
{
return(datas.Select(d => ToObject(d, settings, session)));
}
public static IEnumerable <Data> ToDatas(IEnumerable <object> objects,
ObjectDataConvertSettings settings = null, ObjectDataConvertSession session = null)
{
return(objects.Select(o => ToData(o, settings, session)));
}
protected virtual object CreateObject(ObjectData data,
ObjectDataConvertSettings settings, ObjectDataConvertSession session)
{
return(Activator.CreateInstance(data.ObjectType,
BindingAttributes.DeclareInstance, null, Array.Empty <object>(), CultureInfo.InvariantCulture));
}
