public ConditionMethodExpression(string name, ConditionExpressionCollection parameters)
{
_name = name;
_parameters = parameters;
_methodInfo = ConditionMethodFactory.CreateConditionMethod(_name);
if (_methodInfo == null)
{
Internal.InternalLogger.Error("Condition method: '{0}' not found", name);
throw new ArgumentException("Condition method not found: '" + name + "'");
}
ParameterInfo[] formalParameters = _methodInfo.GetParameters();
if (formalParameters.Length >= 0)
{
_acceptsLogEvent = (formalParameters[0].ParameterType == typeof(LogEventInfo));
}
else
{
_acceptsLogEvent = false;
}
int actualParameterCount = _parameters.Count;
if (_acceptsLogEvent)
{
actualParameterCount++;
}
if (formalParameters.Length != actualParameterCount)
{
Internal.InternalLogger.Error("Condition method: '{0}' expects {1} parameters. Passed {2}", name, formalParameters.Length, actualParameterCount);
throw new ConditionParseException(String.Format("Condition method: '{0}' expects {1} parameters. Passed {2}", name, formalParameters.Length, actualParameterCount));
}
}
private void AddExtensionsFromElement(XmlElement element, string baseDirectory)
{
if (element == null)
{
return;
}
foreach (XmlElement targetElement in PropertyHelper.GetChildElements(element))
{
if (EqualsCI(targetElement.LocalName, "add"))
{
string assemblyFile = GetCaseInsensitiveAttribute(targetElement, "assemblyFile");
string extPrefix = GetCaseInsensitiveAttribute(targetElement, "prefix");
string prefix;
if (extPrefix != null && extPrefix.Length != 0)
{
prefix = extPrefix + ".";
}
else
{
prefix = String.Empty;
}
if (assemblyFile != null && assemblyFile.Length > 0)
{
try
{
string fullFileName = Path.Combine(baseDirectory, assemblyFile);
InternalLogger.Info("Loading assemblyFile: {0}", fullFileName);
Assembly asm = Assembly.LoadFrom(fullFileName);
TargetFactory.AddTargetsFromAssembly(asm, prefix);
LayoutRendererFactory.AddLayoutRenderersFromAssembly(asm, prefix);
FilterFactory.AddFiltersFromAssembly(asm, prefix);
LayoutFactory.AddLayoutsFromAssembly(asm, prefix);
ConditionMethodFactory.AddConditionMethodsFromAssembly(asm, prefix);
}
catch (Exception ex)
{
InternalLogger.Error("Error loading extensions: {0}", ex);
if (LogManager.ThrowExceptions)
{
throw new NLogConfigurationException("Error loading extensions: " + assemblyFile, ex);
}
}
continue;
}
;
string assemblyName = GetCaseInsensitiveAttribute(targetElement, "assembly");
if (assemblyName != null && assemblyName.Length > 0)
{
try
{
InternalLogger.Info("Loading assemblyName: {0}", assemblyName);
Assembly asm = Assembly.Load(assemblyName);
TargetFactory.AddTargetsFromAssembly(asm, prefix);
LayoutRendererFactory.AddLayoutRenderersFromAssembly(asm, prefix);
FilterFactory.AddFiltersFromAssembly(asm, prefix);
LayoutFactory.AddLayoutsFromAssembly(asm, prefix);
ConditionMethodFactory.AddConditionMethodsFromAssembly(asm, prefix);
}
catch (Exception ex)
{
InternalLogger.Error("Error loading extensions: {0}", ex);
if (LogManager.ThrowExceptions)
{
throw new NLogConfigurationException("Error loading extensions: " + assemblyName, ex);
}
}
continue;
}
;
}
}
}
