/// <summary>
/// Adds logging to the method invocation.
/// </summary>
/// <param name="invocation"></param>
/// <returns> return value of the targetd method</returns>
public object Invoke(IMethodInvocation invocation)
{
IASALog log = ASALogManager.GetLogger(invocation.TargetType);
string methodName = invocation.TargetType.ToString() + "." + invocation.Method.Name;
StringBuilder arguments = new StringBuilder();
ParameterInfo[] parameterInfos = invocation.Method.GetParameters();
object[] argValues = invocation.Arguments;
for (int i = 0; i < parameterInfos.Length; i++)
{
arguments.Append(parameterInfos[i].Name).Append("=").Append(argValues[i]);
if (i < (parameterInfos.Length - 1))
{
arguments.Append("; ");
}
}
if (LogEntry)
{
log.LogMethodEntry(methodName, arguments.ToString());
}
object returnValue = null;
bool exitThroughException = false;
DateTime startTime = DateTime.Now;
try
{
returnValue = invocation.Proceed();
return(returnValue);
}
catch (Exception e)
{
if (logException)
{
log.Error("Exception occured while calling method " + methodName, e);
}
exitThroughException = true;
throw;
}
finally
{
if (!exitThroughException && logExit)
{
TimeSpan executionTime = DateTime.Now - startTime;
if (returnValue == null)
{
log.LogMethodExit(methodName, "", arguments.ToString(), executionTime);
}
else
{
log.LogMethodExit(methodName, returnValue.ToString(), arguments.ToString(), executionTime);
}
}
}
}
