object GetObjectFor(INode subject, IEdgeSet edges)
{
object result = null;
var typeEdge = edges.AllWhere(subject: subject, predicate: Rdf.Schema.Rdf.Type).FirstOrDefault();
if (typeEdge != null)
{
var typeName = this.Map.GetTypeName(typeEdge.Object);
if (typeName != null)
{
var type = Type.GetType(typeName, throwOnError: false, ignoreCase: true);
if (type != null)
{
result = Activator.CreateInstance(type);
}
}
}
return(result ?? new ExpandoObject());
}
public T Deserialize <T>(INode subject, IEdgeSet edges)
where T : class
{
Contract.Requires(subject is IriNode || subject is BlankNode);
Contract.Requires(edges != null);
var typeEdge = edges.AllWhere(subject: subject, predicate: Rdf.Schema.Rdf.Type).FirstOrDefault();
if (typeEdge == null)
{
return(null);
}
var typeName = this.Map.GetTypeName(typeEdge.Object);
if (typeName == null)
{
return(null);
}
var type = Type.GetType(typeName);
if (type == null)
{
return(null);
}
if (type != typeof(T) && typeof(T).GetTypeInfo().IsSubclassOf(type))
{
return(null);
}
object result = default(T);
this.Deserialize(subject, edges, ref result);
return(result as T);
}
private void Deserialize(INode subject, IEdgeSet edges, ref object obj, bool throwOnMissing = false)
{
var literal = subject as LiteralNode;
if (literal != null)
{
if (literal.TryGetValue(out obj))
{
return;
}
}
if (obj == null)
{
obj = this.GetObjectFor(subject, edges);
}
var propertyEdges = edges.AllWhere(subject: subject);
foreach (var propertyEdge in propertyEdges)
{
if (propertyEdge.Predicate.Equals(Rdf.Schema.Rdf.Type))
{
continue;
}
string propertyName;
if (!this.Map.GetPropertyName(propertyEdge.Predicate, out propertyName))
{
if (throwOnMissing)
{
throw new MemberAccessException("Can not get property for predicate " + propertyEdge.Predicate);
}
continue;
}
var property = obj.GetType().GetProperty(propertyName, BindingFlags.Instance | BindingFlags.Public);
if (property == null || property.CanWrite == false)
{
if (throwOnMissing)
{
throw new MemberAccessException("Can not set property " + propertyName);
}
continue;
}
object value = null;
this.Deserialize(propertyEdge.Object, edges, ref value);
try
{
property.SetValue(obj, value);
}
catch (Exception e) when(e is ArgumentException || e is MethodAccessException || e is TargetInvocationException)
{
if (throwOnMissing)
{
throw;
}
}
}
}
