/// <summary>
/// Format the log event into the output.
/// </summary>
/// <param name="logEvent">The event to format.</param>
/// <param name="output">The output.</param>
public void Format(LogEvent logEvent, TextWriter output)
{
if (logEvent == null)
{
throw new ArgumentNullException("logEvent");
}
if (output == null)
{
throw new ArgumentNullException("output");
}
// This could be lazier: the output properties include
// everything from the log event, but often we won't need any more than
// just the standard timestamp/message etc.
var outputProperties = OutputProperties.GetOutputProperties(logEvent);
foreach (var token in _outputTemplate.Tokens)
{
var pt = token as PropertyToken;
if (pt == null)
{
token.Render(outputProperties, output, _formatProvider);
continue;
}
// First variation from normal rendering - if a property is missing,
// don't render anything (message templates render the raw token here).
LogEventPropertyValue propertyValue;
if (!outputProperties.TryGetValue(pt.PropertyName, out propertyValue))
{
continue;
}
// Second variation; if the value is a scalar string, use literal
// rendering and support some additional formats: 'u' for uppercase
// and 'w' for lowercase.
var sv = propertyValue as ScalarValue;
if (sv != null && sv.Value is string)
{
var overridden = new Dictionary <string, LogEventPropertyValue>
{
{ pt.PropertyName, new LiteralStringValue((string)sv.Value) }
};
token.Render(overridden, output, _formatProvider);
}
else
{
token.Render(outputProperties, output, _formatProvider);
}
}
}
/// <summary>
/// Format the log event into the output.
/// </summary>
/// <param name="logEvent">The event to format.</param>
/// <param name="output">The output.</param>
public void Format(LogEvent logEvent, TextWriter output)
{
if (logEvent == null)
{
throw new ArgumentNullException("logEvent");
}
if (output == null)
{
throw new ArgumentNullException("output");
}
var outputProperties = OutputProperties.GetOutputProperties(logEvent);
_outputTemplate.Render(outputProperties, output, _formatProvider);
}
