private void ParseConfigurationFile()
{
XmlDocument doc = new XmlDocument();
doc.LoadXml(_fileContent);
XmlNode root = doc.DocumentElement.SelectSingleNode("/objects");
if (root.IsNull())
{
throw new ObjectsFactoryException("Unable to find root 'objects' node");
}
foreach (XmlNode node in root.ChildNodes)
{
if (node.Name.ToLowerInvariant() != "object")
{
throw new ObjectsFactoryException("Found unknown node '{0}'".FormatWith(node.Name));
}
string name = node.Attributes["name"].Value.ToString();
string assembly = node.Attributes["assembly"].Value.ToString();
string type = node.Attributes["type"].Value.ToString();
if (name.IsNullOrEmpty())
{
throw new ObjectsFactoryException("Found node missing 'name' attribute");
}
if (assembly.IsNullOrEmpty())
{
throw new ObjectsFactoryException("Found node missing 'assembly' attribute");
}
if (type.IsNullOrEmpty())
{
throw new ObjectsFactoryException("Found node missing 'type' attribute");
}
FactoryObject objDef =
new FactoryObject
{
Assembly = assembly,
Name = name,
Type = type
};
_objectList.Add(objDef);
}
}
public T GetObject <T>(string objName, params object[] args)
where T : class
{
objName.AssertNotNull("objName");
FactoryObject factoryObj = _objectList.GetValue(objName);
if (factoryObj.IsNull())
{
throw new TypeLoadException("No configured objects found for name '{0}'".FormatWith(objName));
}
Assembly assemblyObj = Assembly.Load(factoryObj.Assembly);
Type typeObj = assemblyObj.GetType(factoryObj.Type);
object obj = Activator.CreateInstance(typeObj, args);
return(obj as T);
}
