/// <summary>
/// Renders the specified MDC item and appends it to the specified <see cref="StringBuilder" />.
/// </summary>
/// <param name="builder">The <see cref="StringBuilder"/> to append the rendered data to.</param>
/// <param name="logEvent">Logging event.</param>
protected override void Append(StringBuilder builder, LogEventInfo logEvent)
{
var tagologContext = MdcStorage.GetContext();
if (string.IsNullOrEmpty(tagologContext))
{
return;
}
IDictionary <string, string> tags;
IDictionary <string, string> builtInTags;
TagSerializer.TagsFromString(tagologContext, out tags, out builtInTags);
string itemValue;
if (tags.ContainsKey(Item))
{
itemValue = tags[Item];
}
else if (builtInTags.ContainsKey(Item))
{
itemValue = builtInTags[Item];
}
else
{
return;
}
builder.Append(itemValue);
}
/// <summary>
/// Renders all items from Tagolog MDC context and appends them to the specified <see cref="StringBuilder" />.
/// </summary>
/// <param name="builder">The <see cref="StringBuilder"/> to append the rendered data to.</param>
/// <param name="logEvent">Logging event.</param>
protected override void Append( StringBuilder builder, LogEventInfo logEvent )
{
var tagologContext = MdcStorage.GetContext();
if ( string.IsNullOrEmpty( tagologContext ) )
return;
IDictionary<string, string> tags;
IDictionary<string, string> builtInTags;
TagSerializer.TagsFromString( tagologContext, out tags, out builtInTags );
var tagsAsList = tags.ToList();
if ( BuiltInTags )
tagsAsList.AddRange( builtInTags.ToList() );
var orderByTags = ( OrderBy ) ?
tagsAsList.OrderBy( _ => _.Key ).ToList() :
tagsAsList.ToList();
if ( 0 != orderByTags.Count )
builder.Append( Prefix );
for ( var i = 0 ; i < orderByTags.Count ; i ++ )
{
var tagPair = orderByTags[ i ];
builder.Append( TagToString( tagPair.Key, tagPair.Value ) );
if ( i < orderByTags.Count - 1 )
{
if ( !string.IsNullOrEmpty( Separator ) )
builder.Append( Separator );
}
}
}