internal protected override object OnDeserialize(SerializationContext serCtx, object mdata, DataNode data) { DataCollection items = ((DataItem)data).ItemData; object position; object collectionInstance = handler.CreateCollection(out position, items.Count); Deserialize(serCtx, mdata, items, collectionInstance, position); return(collectionInstance); }
void Deserialize(SerializationContext serCtx, object obj, DataCollection itemData, DataItem ukwnDataRoot, string baseName) { Hashtable expandedCollections = null; foreach (DataNode value in itemData) { ItemProperty prop = (ItemProperty)properties [baseName + value.Name]; if (prop == null) { if (value is DataItem) { DataItem root = new DataItem(); root.Name = value.Name; root.UniqueNames = ((DataItem)value).UniqueNames; if (ukwnDataRoot != null) { ukwnDataRoot.ItemData.Add(root); } Deserialize(serCtx, obj, ((DataItem)value).ItemData, root, baseName + value.Name + "/"); // If no unknown data has been added, there is no need to keep this // in the unknown items list. if (ukwnDataRoot != null && !root.HasItemData) { ukwnDataRoot.ItemData.Remove(root); } } else if (obj is IExtendedDataItem && (value.Name != "ctype" || baseName.Length > 0)) { // store unreadable raw data to a special property so it can be // serialized back an the original format is kept // The ctype attribute don't need to be stored for the root object, since // it is generated by the serializer ukwnDataRoot.ItemData.Add(value); } continue; } if (prop.WriteOnly || !prop.CanDeserialize(serCtx, obj)) { continue; } try { if (prop.ExpandedCollection) { ICollectionHandler handler = prop.ExpandedCollectionHandler; if (expandedCollections == null) { expandedCollections = new Hashtable(); } object pos, col; if (!expandedCollections.ContainsKey(prop)) { col = handler.CreateCollection(out pos, -1); } else { pos = expandedCollections [prop]; col = prop.GetValue(obj); } handler.AddItem(ref col, ref pos, prop.Deserialize(serCtx, obj, value)); expandedCollections [prop] = pos; prop.SetValue(obj, col); } else { if (prop.HasSetter && prop.DataType.CanCreateInstance) { prop.SetValue(obj, prop.Deserialize(serCtx, obj, value)); } else if (prop.DataType.CanReuseInstance) { object pval = prop.GetValue(obj); if (pval == null) { if (prop.HasSetter) { throw new InvalidOperationException("The property '" + prop.Name + "' is null and a new instance of '" + prop.PropertyType + "' can't be created."); } else { throw new InvalidOperationException("The property '" + prop.Name + "' is null and it does not have a setter."); } } prop.Deserialize(serCtx, obj, value, pval); } else { throw new InvalidOperationException("The property does not have a setter."); } } } catch (Exception ex) { throw new InvalidOperationException("Could not set property '" + prop.Name + "' in type '" + Name + "'", ex); } } }