private static void AddRenderedValue(
LogEventInfo source, IDictionary <string, object> dest,
JsonEncodeLayoutRendererWrapper renderer, JsonAttribute attribute)
{
renderer.Inner = attribute.Layout;
renderer.JsonEncode = attribute.Encode;
string renderedValue;
try
{
renderedValue = renderer.Render(source);
}
catch (Exception ex)
{
renderedValue = $"Render failed: {ex.GetType().Name} {ex.Message}";
}
if (string.IsNullOrEmpty(renderedValue))
{
return;
}
Mapper.HarvestStringToDictionary(dest,
attribute.Name, renderedValue, "attributes_");
}
/// <summary>
/// Formats the log event as a JSON document for writing.
/// </summary>
/// <param name="logEvent">The log event to be formatted.</param>
/// <returns>A JSON string representation of the log event.</returns>
protected override string GetFormattedMessage(LogEventInfo logEvent)
{
var jsonWrapper = new JsonEncodeLayoutRendererWrapper();
var sb = new StringBuilder();
sb.Append("{ ");
bool first = true;
foreach (var col in this.Attributes)
{
jsonWrapper.Inner = col.Layout;
string text = jsonWrapper.Render(logEvent);
if (!string.IsNullOrEmpty(text))
{
if (!first)
{
sb.Append(", ");
}
first = false;
sb.AppendFormat("\"{0}\": \"{1}\"", col.Name, text);
}
}
sb.Append(" }");
return(sb.ToString());
}
/// <summary>
/// Formats the log event as a JSON document for writing.
/// </summary>
/// <param name="logEvent">The log event to be formatted.</param>
/// <returns>A JSON string representation of the log event.</returns>
protected override string GetFormattedMessage(LogEventInfo logEvent)
{
var jsonWrapper = new JsonEncodeLayoutRendererWrapper();
var sb = new StringBuilder();
sb.Append("{ ");
bool first = true;
foreach (var col in this.Attributes)
{
jsonWrapper.Inner = col.Layout;
string text = jsonWrapper.Render(logEvent);
if (!string.IsNullOrEmpty(text))
{
if (!first)
{
sb.Append(", ");
}
first = false;
sb.AppendFormat("\"{0}\": \"{1}\"", col.Name, text);
}
}
sb.Append(" }");
return sb.ToString();
}
/// <summary>
/// Formats the log event as a JSON document for writing.
/// </summary>
/// <param name="logEvent">The log event to be formatted.</param>
/// <returns>A JSON string representation of the log event.</returns>
protected override string GetFormattedMessage(LogEventInfo logEvent)
{
var jsonWrapper = new JsonEncodeLayoutRendererWrapper();
var sb = new StringBuilder();
bool first = true;
bool hasContent = false;
//Memory profiling pointed out that using a foreach-loop was allocating
//an Enumerator. Switching to a for-loop avoids the memory allocation.
for (int i = 0; i < this.Attributes.Count; i++)
{
var col = this.Attributes[i];
jsonWrapper.Inner = col.Layout;
jsonWrapper.JsonEncode = col.Encode;
string text = jsonWrapper.Render(logEvent);
if (!string.IsNullOrEmpty(text))
{
if (!first)
{
sb.Append(",");
AppendIf(!this.SuppressSpaces, sb, " ");
}
first = false;
string format;
if (col.Encode)
{
format = "\"{0}\":{1}\"{2}\"";
}
else
{
//If encoding is disabled for current attribute, do not escape the value of the attribute.
//This enables user to write arbitrary string value (including JSON).
format = "\"{0}\":{1}{2}";
}
sb.AppendFormat(format, col.Name, !this.SuppressSpaces ? " " : "", text);
hasContent = true;
}
}
var result = sb.ToString();
if (!hasContent && !RenderEmptyObject)
{
return(string.Empty);
}
if (SuppressSpaces)
{
return("{" + result + "}");
}
return("{ " + result + " }");
}
/// <summary>
/// Formats the log event as a JSON document for writing.
/// </summary>
/// <param name="logEvent">The log event to be formatted.</param>
/// <returns>A JSON string representation of the log event.</returns>
protected override string GetFormattedMessage(LogEventInfo logEvent)
{
var jsonWrapper = new JsonEncodeLayoutRendererWrapper();
var sb = new StringBuilder();
sb.Append("{");
AppendIf(!this.SuppressSpaces, sb, " ");
bool first = true;
foreach (var col in this.Attributes)
{
jsonWrapper.Inner = col.Layout;
jsonWrapper.JsonEncode = col.Encode;
string text = jsonWrapper.Render(logEvent);
if (!string.IsNullOrEmpty(text))
{
if (!first)
{
sb.Append(",");
AppendIf(!this.SuppressSpaces, sb, " ");
}
first = false;
string format;
if (col.Encode)
{
format = "\"{0}\":{1}\"{2}\"";
}
else
{
//If encoding is disabled for current attribute, do not escape the value of the attribute.
//This enables user to write arbitrary string value (including JSON).
format = "\"{0}\":{1}{2}";
}
sb.AppendFormat(format, col.Name, !this.SuppressSpaces ? " " : "", text);
}
}
AppendIf(!this.SuppressSpaces, sb, " ");
sb.Append("}");
return(sb.ToString());
}
/// <summary>
/// Formats the log event as a JSON document for writing.
/// </summary>
/// <param name="logEvent">The log event to be formatted.</param>
/// <returns>A JSON string representation of the log event.</returns>
protected override string GetFormattedMessage(LogEventInfo logEvent)
{
var jsonWrapper = new JsonEncodeLayoutRendererWrapper();
var sb = new StringBuilder();
sb.Append("{ ");
bool first = true;
foreach (var col in this.Attributes)
{
jsonWrapper.Inner = col.Layout;
jsonWrapper.JsonEncode = col.Encode;
string text = jsonWrapper.Render(logEvent);
if (!string.IsNullOrEmpty(text))
{
if (!first)
{
sb.Append(", ");
}
first = false;
string format;
if(col.Encode)
{
format = "\"{0}\": \"{1}\"";
}
else
{
//If encoding is disabled for current attribute, do not escape the value of the attribute.
//This enables user to write arbitrary string value (including JSON).
format = "\"{0}\": {1}";
}
sb.AppendFormat(format, col.Name, text);
}
}
sb.Append(" }");
return sb.ToString();
}
private void AppendDataFromAttributes(LogEventInfo logEvent, IDictionary <string, object> result)
{
var layoutRendererWrapper = new JsonEncodeLayoutRendererWrapper();
foreach (var jsonAttribute in Attributes)
{
layoutRendererWrapper.Inner = jsonAttribute.Layout;
layoutRendererWrapper.JsonEncode = jsonAttribute.Encode;
var str = layoutRendererWrapper.Render(logEvent);
if (string.IsNullOrEmpty(str))
{
continue;
}
if (!result.ContainsKey(jsonAttribute.Name))
{
result.Add(jsonAttribute.Name, str);
}
}
}