/// <summary>
/// Creates a <see cref="Formatter{T}"/> for all the entries in the <see cref="LogEntry.ExtendedProperties"/>
/// dictionary.
/// </summary>
private static Formatter <LogEntry> DictionaryTokenHandlerFactory(string parameter)
{
Dictionary <string, TokenHandler <KeyValuePair <string, object> > > handlers
= new Dictionary <string, TokenHandler <KeyValuePair <string, object> > >();
handlers["newline"]
= GenericTextFormatter <KeyValuePair <string, object> > .CreateSimpleTokenHandler(Environment.NewLine);
handlers["tab"]
= GenericTextFormatter <KeyValuePair <string, object> > .CreateSimpleTokenHandler("\t");
handlers["key"]
= GenericTextFormatter <KeyValuePair <string, object> > .CreateSimpleTokenHandler(kvp => kvp.Key);
handlers["value"]
= GenericTextFormatter <KeyValuePair <string, object> > .CreateSimpleTokenHandler(kvp => kvp.Value.ToString());
GenericTextFormatter <KeyValuePair <string, object> > entryFormatter
= new GenericTextFormatter <KeyValuePair <string, object> >(parameter, handlers);
return(le =>
{
StringBuilder entries = new StringBuilder();
foreach (var kvp in le.ExtendedProperties)
{
entryFormatter.Format(kvp, entries);
}
return entries.ToString();
});
}
/// <summary>
/// Initializes a new instance of a <see cref="TextFormatter"> with a template and additional token handlers.</see>
/// </summary>
/// <param name="template">Template to be used when formatting.</param>
/// <param name="extraTokenHandlers">The additional token handlers to use when processing the template.</param>
protected TextFormatter(string template, IDictionary <string, TokenHandler <LogEntry> > extraTokenHandlers)
{
if (!string.IsNullOrEmpty(template))
{
Template = template;
}
else
{
Template = DefaultTextFormat;
}
Dictionary <string, TokenHandler <LogEntry> > tokenHandlers = defaultTokenHandlers;
if (extraTokenHandlers.Count > 0)
{
tokenHandlers = new Dictionary <string, TokenHandler <LogEntry> >(defaultTokenHandlers);
foreach (var kvp in extraTokenHandlers)
{
tokenHandlers.Add(kvp.Key, kvp.Value);
}
}
this.formatter = new GenericTextFormatter <LogEntry>(Template, tokenHandlers);
}
/// <summary>
/// Sets up the default token handlers for the <see cref="TextFormatter"/>;
/// </summary>
static TextFormatter()
{
defaultTokenHandlers = new Dictionary <string, TokenHandler <LogEntry> >();
emptyExtraTokenHandlers = new Dictionary <string, TokenHandler <LogEntry> >();
// constants
defaultTokenHandlers["newline"]
= GenericTextFormatter <LogEntry> .CreateSimpleTokenHandler(Environment.NewLine);
defaultTokenHandlers["tab"]
= GenericTextFormatter <LogEntry> .CreateSimpleTokenHandler("\t");
// cached values
defaultTokenHandlers["localMachine"]
= GenericTextFormatter <LogEntry> .CreateSimpleTokenHandler(LogEntryContext.GetMachineNameSafe());
defaultTokenHandlers["localProcessName"]
= GenericTextFormatter <LogEntry> .CreateSimpleTokenHandler(LogEntryContext.GetProcessNameSafe());
defaultTokenHandlers["localAppDomain"]
= GenericTextFormatter <LogEntry> .CreateSimpleTokenHandler(LogEntryContext.GetAppDomainNameSafe());
defaultTokenHandlers["localProcessId"]
= GenericTextFormatter <LogEntry> .CreateSimpleTokenHandler(LogEntryContext.GetProcessIdSafe());
// simple properties on log entry
defaultTokenHandlers["applicationName"]
= GenericTextFormatter <LogEntry> .CreateSimpleTokenHandler(le => le.ApplicationName);
defaultTokenHandlers["message"]
= GenericTextFormatter <LogEntry> .CreateSimpleTokenHandler(le => le.Message);
defaultTokenHandlers["category"]
= GenericTextFormatter <LogEntry> .CreateSimpleTokenHandler(le => FormatCategoriesCollection(le.Categories));
defaultTokenHandlers["priority"]
= GenericTextFormatter <LogEntry> .CreateSimpleTokenHandler(le => le.Priority.ToString(CultureInfo.CurrentCulture));
defaultTokenHandlers["eventid"]
= GenericTextFormatter <LogEntry> .CreateSimpleTokenHandler(le => le.EventId.ToString(CultureInfo.CurrentCulture));
defaultTokenHandlers["severity"]
= GenericTextFormatter <LogEntry> .CreateSimpleTokenHandler(le => FormatSeverity(le.Severity));
defaultTokenHandlers["title"]
= GenericTextFormatter <LogEntry> .CreateSimpleTokenHandler(le => le.Title);
defaultTokenHandlers["errorMessages"]
= GenericTextFormatter <LogEntry> .CreateSimpleTokenHandler(le => le.ErrorMessages);
defaultTokenHandlers["machine"]
= GenericTextFormatter <LogEntry> .CreateSimpleTokenHandler(le => le.MachineName);
defaultTokenHandlers["appDomain"]
= GenericTextFormatter <LogEntry> .CreateSimpleTokenHandler(le => le.AppDomainName);
defaultTokenHandlers["processId"]
= GenericTextFormatter <LogEntry> .CreateSimpleTokenHandler(le => le.ProcessId);
defaultTokenHandlers["processName"]
= GenericTextFormatter <LogEntry> .CreateSimpleTokenHandler(le => le.ProcessName);
defaultTokenHandlers["threadName"]
= GenericTextFormatter <LogEntry> .CreateSimpleTokenHandler(le => le.ManagedThreadName);
defaultTokenHandlers["win32ThreadId"]
= GenericTextFormatter <LogEntry> .CreateSimpleTokenHandler(le => le.Win32ThreadId);
defaultTokenHandlers["activity"]
= GenericTextFormatter <LogEntry> .CreateSimpleTokenHandler(le => le.ActivityId.ToString("D", CultureInfo.CurrentCulture));
// parameterized tokens
defaultTokenHandlers["timestamp"]
= GenericTextFormatter <LogEntry> .CreateParameterizedTokenHandler(TimestampFormatterFactory);
defaultTokenHandlers["property"]
= GenericTextFormatter <LogEntry> .CreateParameterizedTokenHandler(ReflectedPropertyFormatterFactory);
defaultTokenHandlers["keyvalue"]
= GenericTextFormatter <LogEntry> .CreateParameterizedTokenHandler(KeyValueFormatterFactory);
defaultTokenHandlers["dictionary"]
= GenericTextFormatter <LogEntry> .CreateParameterizedTokenHandler(DictionaryTokenHandlerFactory);
}