/// <summary> Builds a list of names of the specified type's members that are arguments to the constructor. </summary>
private List <string> BuildConstructorParamSources(Type type)
{
PublishDefaultConstructorAttribute constructorAttribute = (PublishDefaultConstructorAttribute)ReflectionUtility.GetAttribute(type, typeof(PublishDefaultConstructorAttribute));
if ((constructorAttribute != null) && (constructorAttribute.ConstructorSignature != String.Empty))
{
List <string> result = new List <string>();
ParameterInfo[] parameters = ReflectionUtility.FindConstructor(constructorAttribute.ConstructorSignature, type).GetParameters();
PublishSourceAttribute source;
foreach (ParameterInfo parameter in parameters)
{
source = (PublishSourceAttribute)ReflectionUtility.GetAttribute(parameter, typeof(PublishSourceAttribute));
if ((source != null) && (source.MemberName != String.Empty))
{
result.Add(source.MemberName);
}
}
return(result);
}
else
{
return(null);
}
}
/// <summary> Deserializes an instance from a node. </summary>
/// <param name="node"> The XML node. This node will not be affected by this method. </param>
/// <param name="instance"> An optional instance to deserialize "into". </param>
/// <returns> The instance that was passed by AInstance or was constructed if null was passed. </returns>
private object ReadObject(XElement node, object instance)
{
string elementName = node.Name.LocalName.Substring(node.Name.LocalName.LastIndexOf('.') + 1).ToLower(); // simple type name
Type type;
if (instance != null) // instance provided
{
type = instance.GetType();
string typeName = GetElementName(type); // result is lower case
if (elementName != typeName)
{
Errors.Add(new BOPException(BOPException.Codes.TypeNameMismatch, elementName, typeName));
}
}
else // construct instance
{
type = GetClassType(elementName, node.Name.NamespaceName);
try
{
if (!IsValueType(type))
{
PublishDefaultConstructorAttribute constructorAttribute = (PublishDefaultConstructorAttribute)ReflectionUtility.GetAttribute(type, typeof(PublishDefaultConstructorAttribute));
if ((constructorAttribute == null) || (constructorAttribute.ConstructorSignature == String.Empty))
{
instance = Activator.CreateInstance(type, new object[] { });
}
else
{
// create a copy of the node to work with
// so that the original is not corrupted by disappearing attributes
node = new XElement(node);
instance = ConstructInstance(constructorAttribute.ConstructorSignature, type, node);
}
}
else
{
return(ReflectionUtility.StringToValue(node.Attribute("value").Value, type));
}
}
catch (Exception E)
{
throw new BOPException(BOPException.Codes.UnableToConstruct, E, type.FullName);
}
}
MemberInfo member;
object memberInstance;
string memberName;
Type memberType;
// Have Type and Instance, now read the properties
try
{
// Read attributes
foreach (XAttribute attribute in node.Attributes())
{
try
{
memberName = attribute.Name.LocalName.ToLower();
if
(
(!attribute.IsNamespaceDeclaration)
&&
!(
IsBOPNode(attribute.Name) &&
(memberName.StartsWith(BOPType) || memberName.StartsWith(BOPDefault))
)
)
{
if (IsBOPNode(attribute.Name))
{
memberInstance = instance;
if (Persistence.XNamesEqual(attribute.Name, XmlBOPName))
{
member = GetNameMemberInfo(type);
if (member == null)
{
throw new BOPException(BOPException.Codes.InvalidElementName, type.Name);
}
}
else
{
throw new BOPException(BOPException.Codes.InvalidAttribute, attribute.Name);
}
}
else
{
memberInstance = FindMemberInstance(instance, ref memberName);
member = ReflectionUtility.FindSimpleMember(memberInstance.GetType(), memberName);
}
memberType = GetMemberType(node, member);
ReflectionUtility.SetMemberValue
(
member,
memberInstance,
(
AttributeToValue
(
attribute.Value,
memberType,
memberInstance,
member
)
)
);
}
}
catch (Exception exception)
{
Errors.Add(exception);
}
}
// Add this instance to the list of read instances if it has a name
member = GetNameMemberInfo(instance.GetType());
if (member != null)
{
memberName = (string)ReflectionUtility.GetMemberValue(member, instance);
if (memberName != String.Empty)
{
InstancesByName.Add(memberName, instance);
}
}
// read child nodes
IList list;
foreach (XElement localNode in node.Elements())
{
try
{
memberName = localNode.Name.LocalName.ToLower();
memberInstance = FindMemberInstance(instance, ref memberName);
// First see if the member instance has a default list attribute and use it if it does
string defaultListName = GetDefaultListMemberName(memberInstance.GetType());
if (defaultListName == String.Empty)
{
list = memberInstance as IList;
}
else // if no default list, assume the member instance IS the list
{
list = ReflectionUtility.GetMemberValue
(
ReflectionUtility.FindSimpleMember(memberInstance.GetType(), defaultListName),
memberInstance
) as IList;
}
if (list == null)
{
throw new BOPException(BOPException.Codes.DefaultListNotFound, memberInstance.GetType().Name);
}
list.Add(ReadObject(localNode, null));
}
catch (Exception exception)
{
Errors.Add(exception);
}
}
// call AfterDeserialize
if (instance is IBOPSerializationEvents)
{
((IBOPSerializationEvents)instance).AfterDeserialize(this);
}
if (AfterDeserialized != null)
{
AfterDeserialized(instance);
}
}
catch
{
if ((instance != null) && (instance is IDisposable))
{
((IDisposable)instance).Dispose();
}
throw;
}
return(instance);
}
