private IDataStreamParser CreateConverter()
{
if (_convert == null)
{
ScriptContainer container = new ScriptContainer(_engine, Guid.Empty, _script, _enableDebug, _referencedAssemblies.Select(a => a.GetName()));
_convert = (IDataStreamParser)ScriptUtils.GetInstance(container, _classname);
if (_state != null)
{
IPersistDynamicNode persist = _convert as IPersistDynamicNode;
if (persist != null)
{
persist.SetState(_state, GetLogger());
}
}
}
return(_convert);
}
/// <summary>
/// Create the layer
/// </summary>
/// <param name="logger">The logger to use when creating</param>
/// <returns>The network layer</returns>
public override INetworkLayer CreateLayer(Logger logger)
{
if (Script == null)
{
throw new InvalidOperationException(String.Format(Properties.Resources.ScriptNetworkLayerFactory_SpecifyScript, Description));
}
if (ClassName == null)
{
throw new InvalidOperationException(String.Format(Properties.Resources.ScriptNetworkLayerFactory_SpecifyClassName, Description));
}
object obj = Script.Container.GetInstance(ClassName);
INetworkLayer layer = obj as INetworkLayer;
if (layer == null)
{
IDataStreamParser parser = obj as IDataStreamParser;
if (parser != null)
{
layer = new ParserNetworkLayer(DynamicScriptContainer.Create(Script.Container, ClassName), logger);
}
}
if (layer == null)
{
throw new InvalidOperationException(String.Format(Properties.Resources.ScriptNetworkLayerFactory_InvalidType, Script.Name));
}
IPersistNode persist = layer as IPersistNode;
if (persist != null)
{
persist.SetState(new DynamicConfigObject(_config), logger);
}
return(layer);
}
/// <summary>
/// Write the key to a DataWriter
/// </summary>
/// <remarks>This method could throw almost any exception</remarks>
/// <param name="stm">The DataWriter object</param>
public override void ToWriter(DataWriter stm)
{
IDataStreamParser convert = CreateConverter();
convert.ToWriter(stm, this, GetLogger());
}
/// <summary>
/// Create a key from a DataReader
/// </summary>
/// <param name="stm">The data reader</param>
/// <remarks>This method could throw almost any exception</remarks>
/// <exception cref="System.IO.EndOfStreamException">Throw when end of stream reached</exception>
public override void FromReader(DataReader stm)
{
IDataStreamParser convert = CreateConverter();
convert.FromReader(stm, this, GetLogger());
}