/// <summary>
///
/// </summary>
/// <param name="writer"></param>
/// <param name="entity"></param>
/// <param name="rootElementName"></param>
/// <param name="declareRootType">Indica si debe resgitrar el tipo del objeto como atributo del elemento Root. Si es true, lo registra si no hay un alias definido, sino, no lo registra.</param>
public virtual void Serialize(XmlTextWriter writer, object entity, string rootElementName)
{
if (entity == null)
{
return;
}
Type type = entity.GetType();
if (!type.IsSerializable)
{
throw new SerializationException("The entity " + type.Name + " is not marked as serializable.");
}
XmlSerializerContext context = this.CreateContext();
object holder = this.CreateObjectHolder(type, entity);
TypeDescriptor holderDesc = new TypeDescriptor(holder.GetType());
PropertyDescriptor desc = holderDesc.Properties[0];
RootPropertyMetadata metadata;
if (string.IsNullOrEmpty(rootElementName))
{
rootElementName = this.GetElementName(type, context);
metadata = new RootPropertyMetadata(rootElementName, desc.Metadata.DefaultAttributeName, desc.Metadata);
}
else
{
context.RegisterAlias(rootElementName, entity.GetType());
metadata = new RootPropertyMetadata(rootElementName, desc.Metadata.DefaultAttributeName, desc.Metadata);
}
desc.Metadata = metadata;
desc.UseAlias = true;
//podria agregar la instancia a serializa y tener un seguimiento de la secuencia.....pero para mas adelante
this.Context = context;
IXmlConverter converter = context.GetConverter(type);
converter.ToXml(holder, desc, entity, writer, context);
}
public virtual object Deserialize(Type rootType, string rootElementName, XmlReader reader)
{
using (reader)
{
XmlNodeType typeNode = reader.MoveToContent();
if (typeNode == XmlNodeType.Element || typeNode == XmlNodeType.EndElement)
{
XmlSerializerContext context = this.CreateContext();
Type type = context.GetTypeFromAttribute(reader);
if (type == null)
{
type = context.GetTypeFromAlias(reader.LocalName);
}
if (type == null)
{
if (rootType != null)
{
type = rootType;
}
else
{
throw new Exception("No es posible obtener tipo del objeto a deserializar cuyo nombre de elemento raíz es " + reader.LocalName);
}
}
object holder = this.CreateObjectHolder(type, null);
TypeDescriptor holderDesc = new TypeDescriptor(holder.GetType());
if (holderDesc.Properties.Count == 0)
{
throw new SerializationException("The type is not marked as serializable.");
}
PropertyDescriptor desc = holderDesc.Properties[0];
RootPropertyMetadata metadata;
if (string.IsNullOrEmpty(rootElementName))
{
rootElementName = this.GetElementName(type, context);
}
metadata = new RootPropertyMetadata(rootElementName, desc.Metadata.DefaultAttributeName, desc.Metadata);
desc.Metadata = metadata;
desc.UseAlias = true;
this.Context = context;
IXmlConverter converter = context.GetConverter(type);
object output = converter.FromXml(holder, desc, type, reader, context);
return(output);
}
else
{
return(null);
}
}
}
