public static void TraceEvent(
this ITrace trace,
bool convertNamedFormatTokens,
TraceEventType traceEventType,
int eventId,
Exception exception,
string message,
params object[] args)
{
if (trace == null)
{
throw new ArgumentNullException(nameof(trace));
}
if (!trace.ShouldTrace(traceEventType))
{
return;
}
StringBuilder sb
= TraceMessageHelper.FormatTraceMessage(
convertNamedFormatTokens,
exception,
message,
args);
if (sb.Length != 0)
{
trace.TraceEvent(traceEventType, eventId, sb.ToString());
}
}
public static StringBuilder FormatTraceMessage(
string prefix,
bool convertNamedFormatTokens,
Exception exception,
string message,
params object[] args)
{
StringBuilder sb = new StringBuilder();
if (prefix != null)
{
sb.Append(prefix);
}
if ((args != null) &&
(args.Length != 0))
{
if (!string.IsNullOrWhiteSpace(message))
{
sb.AppendFormat(
convertNamedFormatTokens
? TraceMessageHelper.ConvertNamedTokens(message, out _)
.ToString()
: message,
args);
}
else
{
foreach (object formatArg in args)
{
if (formatArg == null)
{
continue;
}
if (sb.Length != 0)
{
sb.Append(", ");
}
sb.Append(formatArg);
}
}
}
else
{
if (!string.IsNullOrWhiteSpace(message))
{
sb.Append(message);
}
}
if (exception == null)
{
return(sb);
}
if (sb.Length != 0)
{
sb.AppendLine();
}
return(sb.Append(exception));
}
public override string ToString() => TraceMessageHelper.FormatTraceMessage(Prefix, ConvertNamedFormatTokens, Exception, Message, FormatArgs) .ToString();
public static string FormatNamedTokens(string format, params object[] values)
=> string.Format(
TraceMessageHelper.ConvertNamedTokens(format, out _)
.ToString(),
values);
public static StringBuilder FormatTraceMessage(
bool convertNamedFormatTokens,
Exception exception,
string message,
params object[] args)
=> TraceMessageHelper.FormatTraceMessage(null, convertNamedFormatTokens, exception, message, args);
