/// <summary>
/// Subscribes to an <see cref="IObservable{EventEntry}"/> using a <see cref="ConsoleSink"/>.
/// </summary>
/// <param name="eventStream">The event stream. Typically this is an instance of <see cref="ObservableEventListener"/>.</param>
/// <param name="formatter">The formatter.</param>
/// <param name="colorMapper">The color mapper instance.</param>
/// <returns>A subscription to the sink that can be disposed to unsubscribe the sink, or to get access to the sink instance.</returns>
public static SinkSubscription<ConsoleSink> LogToConsole(this IObservable<EventEntry> eventStream, IEventTextFormatter formatter = null, IConsoleColorMapper colorMapper = null)
{
var sink = new ConsoleSink();
formatter = formatter ?? new EventTextFormatter();
colorMapper = colorMapper ?? new DefaultConsoleColorMapper();
var subscription = eventStream.SubscribeWithFormatterAndColor(formatter ?? new EventTextFormatter(), colorMapper, sink);
return new SinkSubscription<ConsoleSink>(subscription, sink);
}
public static Tuple<string, ConsoleColor?> TryFormatAsStringAndColor(this EventEntry entry, IEventTextFormatter formatter, IConsoleColorMapper colorMapper)
{
Guard.ArgumentNotNull(entry, "entry");
Guard.ArgumentNotNull(formatter, "formatter");
Guard.ArgumentNotNull(colorMapper, "colorMapper");
var message = TryFormatAsString(entry, formatter);
if (message != null)
{
try
{
var color = colorMapper.Map(entry.Schema.Level);
return Tuple.Create(message, color);
}
catch (Exception e)
{
SemanticLoggingEventSource.Log.MapEntryLevelToColorFailed((int)entry.Schema.Level, e.ToString());
return Tuple.Create(message, (ConsoleColor?)null);
}
}
return null;
}
public static Tuple <string, ConsoleColor?> TryFormatAsStringAndColor(this EventEntry entry, IEventTextFormatter formatter, IConsoleColorMapper colorMapper)
{
Guard.ArgumentNotNull(entry, "entry");
Guard.ArgumentNotNull(formatter, "formatter");
Guard.ArgumentNotNull(colorMapper, "colorMapper");
var message = TryFormatAsString(entry, formatter);
if (message != null)
{
try
{
var color = colorMapper.Map(entry.Schema.Level);
return(Tuple.Create(message, color));
}
catch (Exception e)
{
SemanticLoggingEventSource.Log.MapEntryLevelToColorFailed((int)entry.Schema.Level, e.ToString());
return(Tuple.Create(message, (ConsoleColor?)null));
}
}
return(null);
}
public static IDisposable SubscribeWithFormatterAndColor(this IObservable <EventEntry> source, IEventTextFormatter formatter, IConsoleColorMapper colorMapper, IObserver <Tuple <string, ConsoleColor?> > sink)
{
return(source.CreateSubscription(sink, entry => entry.TryFormatAsStringAndColor(formatter, colorMapper)));
}
/// <summary>
/// Creates an event listener that logs using a <see cref="ConsoleSink"/>.
/// </summary>
/// <param name="formatter">The formatter.</param>
/// <param name="colorMapper">The color mapper instance.</param>
/// <returns>An event listener that uses <see cref="ConsoleSink"/> to display events.</returns>
public static EventListener CreateListener(IEventTextFormatter formatter = null, IConsoleColorMapper colorMapper = null)
{
var listener = new ObservableEventListener();
listener.LogToConsole(formatter, colorMapper);
return listener;
}
protected override void Given()
{
sut = new DefaultConsoleColorMapper();
results = new Dictionary<EventLevel, ConsoleColor?>();
}
public static IDisposable SubscribeWithFormatterAndColor(this IObservable<EventEntry> source, IEventTextFormatter formatter, IConsoleColorMapper colorMapper, IObserver<Tuple<string, ConsoleColor?>> sink)
{
return source.CreateSubscription(sink, entry => entry.TryFormatAsStringAndColor(formatter, colorMapper));
}
/// <summary>
/// Creates an event listener that logs using a <see cref="ConsoleSink"/>.
/// </summary>
/// <param name="formatter">The formatter.</param>
/// <param name="colorMapper">The color mapper instance.</param>
/// <returns>An event listener that uses <see cref="ConsoleSink"/> to display events.</returns>
public static EventListener CreateListener(IEventTextFormatter formatter = null, IConsoleColorMapper colorMapper = null)
{
var listener = new ObservableEventListener();
listener.LogToConsole(formatter, colorMapper);
return(listener);
}
/// <summary>
/// Subscribes to an <see cref="IObservable{EventEntry}"/> using a <see cref="ConsoleSink"/>.
/// </summary>
/// <param name="eventStream">The event stream. Typically this is an instance of <see cref="ObservableEventListener"/>.</param>
/// <param name="formatter">The formatter.</param>
/// <param name="colorMapper">The color mapper instance.</param>
/// <returns>A subscription to the sink that can be disposed to unsubscribe the sink, or to get access to the sink instance.</returns>
public static SinkSubscription <ConsoleSink> LogToConsole(this IObservable <EventEntry> eventStream, IEventTextFormatter formatter = null, IConsoleColorMapper colorMapper = null)
{
formatter = formatter ?? new EventTextFormatter();
colorMapper = colorMapper ?? new DefaultConsoleColorMapper();
var sink = new ConsoleSink(formatter, colorMapper);
var subscription = eventStream.Subscribe(sink);
return(new SinkSubscription <ConsoleSink>(subscription, sink));
}
protected override void Given()
{
Sut = new DefaultConsoleColorMapper();
Results = new Dictionary <EventLevel, ConsoleColor?>();
}
/// <summary>
/// Initializes a new instance of the <see cref="ConsoleSink" /> class.
/// </summary>
public ConsoleSink(IEventTextFormatter formatter, IConsoleColorMapper colorMapper)
{
this.formatter = formatter;
this.colorMapper = colorMapper;
}
