/// <summary>
/// Initializes the specified event source.
/// </summary>
/// <param name="eventSource">The event source.</param>
public override void Initialize(IEventSource eventSource)
{
// get log file path from incoming parameters
var logFile = GetLogFilePath(this.Parameters);
#if DEBUG
this.diagnostics = DiagnosticsProvider.GetLogger();
this.diagnostics.WriteMessage($"Parameters: {this.Parameters}");
this.diagnostics.WriteMessage($"Verbosity level: {this.Verbosity}");
#endif
try
{
// open the file
this.streamWriter = new StreamWriter(logFile);
// start JSON logging
this.BeginJsonArray();
// initialize JSON.NET writer
this.jsonWriter = new JsonTextWriter(this.streamWriter);
this.jsonWriter.Formatting = Formatting.Indented;
// initialize serializer
this.serializer = new JsonSerializer();
}
catch (Exception ex)
{
#if DEBUG
// let's look at it
this.diagnostics.WriteException(ex);
#endif
if
(
ex is UnauthorizedAccessException ||
ex is ArgumentNullException ||
ex is PathTooLongException ||
ex is DirectoryNotFoundException ||
ex is NotSupportedException ||
ex is ArgumentException ||
ex is SecurityException ||
ex is IOException
)
{
throw new LoggerException("Failed to create log file: " + ex.Message);
}
else
{
// Unexpected failure
throw;
}
}
// Occurs when a build raises any other type of build event.
// Not sensitive to chosen MsBuild Verbosity level
// Default logger behavior
eventSource.AnyEventRaised += this.HandleEventSourceEvent;
}