/// <summary>
/// Formats the <see cref="PerformanceEntry"/> object by replacing tokens with values writing the format result
/// to a <see cref="StringBuilder"/>.
/// </summary>
/// <param name="templateBuilder">The <see cref="StringBuilder"/> that holds the formatting result.</param>
/// <param name="performance">Log entry to format.</param>
/// <returns>Formatted string with tokens replaced with property values.</returns>
protected virtual string Format(StringBuilder templateBuilder, PerformanceEntry performance)
{
templateBuilder.Replace(TimeStampToken, performance.TimeStampString);
templateBuilder.Replace(TitleToken, performance.Title);
templateBuilder.Replace(MessageToken, performance.Message);
templateBuilder.Replace(EventIdToken, performance.EventId.ToString());
templateBuilder.Replace(PriorityToken, performance.Priority.ToString());
templateBuilder.Replace(SeverityToken, performance.Severity.ToString());
templateBuilder.Replace(ErrorMessagesToke, performance.ErrorMessages);
templateBuilder.Replace(MachineToken, performance.MachineName);
templateBuilder.Replace(AppDomainNameToken, performance.AppDomainName);
templateBuilder.Replace(ProcessIdToken, performance.ProcessId);
templateBuilder.Replace(ProcessNameToken, performance.ProcessName);
templateBuilder.Replace(ThreadNameToken, performance.ManagedThreadName);
templateBuilder.Replace(Win32ThreadIdToken, performance.Win32ThreadId);
templateBuilder.Replace(ActivityidToken, performance.ActivityId.ToString("D"));
templateBuilder.Replace(CategoryToken, FormatCategoriesCollection(performance.Categories));
FormatTokenFunctions(templateBuilder, performance);
templateBuilder.Replace(NewLineToken, Environment.NewLine);
templateBuilder.Replace(TabToken, "\t");
return(templateBuilder.ToString());
}
private void FormatTokenFunctions(StringBuilder templateBuilder, PerformanceEntry performance)
{
foreach (TokenFunction token in _tokenFunctions)
{
token.Format(templateBuilder, performance);
}
}
private void WriteTraceMessage(string message, string entryTitle, TraceEventType eventType)
{
var extendedProperties = new Dictionary <string, object>();
var entry = new PerformanceEntry(message, PeekLogicalOperationStack() as string, Priority, EventId, eventType, entryTitle, extendedProperties);
GetWriter().Write(entry);
}
/// <summary>
/// Iterates through each entry in the dictionary and display the key and/or value.
/// </summary>
/// <param name="tokenTemplate">Template to repeat for each key/value pair.</param>
/// <param name="performance">Log entry containing the extended properties dictionary.</param>
/// <returns>Repeated template for each key/value pair.</returns>
public override string FormatToken(string tokenTemplate, PerformanceEntry performance)
{
var dictionaryBuilder = new StringBuilder();
foreach (KeyValuePair <string, object> entry in performance.ExtendedProperties)
{
var singlePair = new StringBuilder(tokenTemplate);
string keyName = string.Empty;
if (entry.Key != null)
{
keyName = entry.Key;
}
singlePair.Replace(DictionaryKeyToken, keyName);
string keyValue = string.Empty;
if (entry.Value != null)
{
keyValue = entry.Value.ToString();
}
singlePair.Replace(DictionaryValueToken, keyValue);
dictionaryBuilder.Append(singlePair.ToString());
}
return(dictionaryBuilder.ToString());
}
/// <summary>
/// Creates a new <see cref="PerformanceEntry"/> that is a copy of the current instance.
/// </summary>
/// <remarks>
/// If the dictionary contained in <see cref="ExtendedProperties"/> implements <see cref="ICloneable"/>, the resulting
/// <see cref="PerformanceEntry"/> will have its ExtendedProperties set by calling <c>Clone()</c>. Otherwise the resulting
/// <see cref="PerformanceEntry"/> will have its ExtendedProperties set to <see langword="null"/>.
/// </remarks>
/// <implements>ICloneable.Clone</implements>
/// <returns>A new <c>PerformanceEntry</c> that is a copy of the current instance.</returns>
public object Clone()
{
var result = new PerformanceEntry
{
Message = Message,
EventId = EventId,
Title = Title,
Severity = Severity,
Priority = Priority,
TimeStamp = TimeStamp,
MachineName = MachineName,
AppDomainName = AppDomainName,
ProcessId = ProcessId,
ProcessName = ProcessName,
ManagedThreadName = ManagedThreadName,
ActivityId = ActivityId,
Categories = new List <string>(Categories)
};
// clone categories
// clone extended properties
if (_extendedProperties != null)
{
result.ExtendedProperties = new Dictionary <string, object>(_extendedProperties);
}
// clone error messages
if (_errorMessages != null)
{
result._errorMessages = new StringBuilder(_errorMessages.ToString());
}
return(result);
}
/// <summary>
/// Searches for the reflected property and returns its value as a string
/// </summary>
/// <param name="tokenTemplate">
/// The token Template.
/// </param>
/// <param name="performance">
/// The performance.
/// </param>
/// <returns>
/// The format token.
/// </returns>
public override string FormatToken(string tokenTemplate, PerformanceEntry performance)
{
Type logType = performance.GetType();
PropertyInfo property = logType.GetProperty(tokenTemplate);
if (property != null)
{
object value = property.GetValue(performance, null);
return(value != null?value.ToString() : string.Empty);
}
return(String.Format("Error: property {0} not found", tokenTemplate));
}
private static EventLogEntryType GetEventLogEntryType(PerformanceEntry performance)
{
switch (performance.Severity)
{
case TraceEventType.Critical:
case TraceEventType.Error:
return(EventLogEntryType.Error);
case TraceEventType.Warning:
return(EventLogEntryType.Warning);
default:
return(EventLogEntryType.Information);
}
}
/// <summary>
/// Searches for token functions in the message and replace all with formatted values.
/// </summary>
/// <param name="messageBuilder">Message template containing tokens.</param>
/// <param name="performance">Log entry containing properties to format.</param>
public virtual void Format(StringBuilder messageBuilder, PerformanceEntry performance)
{
int pos = 0;
while (pos < messageBuilder.Length)
{
string messageString = messageBuilder.ToString();
if (messageString.IndexOf(_startDelimiter) == -1)
{
break;
}
string tokenTemplate = GetInnerTemplate(pos, messageString);
string tokenToReplace = _startDelimiter + tokenTemplate + _endDelimiter;
pos = messageBuilder.ToString().IndexOf(tokenToReplace);
string tokenValue = FormatToken(tokenTemplate, performance);
messageBuilder.Replace(tokenToReplace, tokenValue);
}
}
/// <summary>
/// Formats the timestamp property with the specified date time format string.
/// </summary>
/// <param name="tokenTemplate">Date time format string.</param>
/// <param name="performance">Log entry containing the timestamp.</param>
/// <returns>Returns the formatted time stamp.</returns>
public override string FormatToken(string tokenTemplate, PerformanceEntry performance)
{
string result;
if (tokenTemplate.Equals(LocalStartDelimiter, System.StringComparison.InvariantCultureIgnoreCase))
{
System.DateTime localTime = performance.TimeStamp.ToLocalTime();
result = localTime.ToString();
}
else if (tokenTemplate.StartsWith(LocalStartDelimiterWithFormat, System.StringComparison.InvariantCultureIgnoreCase))
{
string formatTemplate = tokenTemplate.Substring(LocalStartDelimiterWithFormat.Length);
System.DateTime localTime = performance.TimeStamp.ToLocalTime();
result = localTime.ToString(formatTemplate, CultureInfo.CurrentCulture);
}
else
{
result = performance.TimeStamp.ToString(tokenTemplate, CultureInfo.CurrentCulture);
}
return(result);
}
/// <overloads>
/// Formats the <see cref="PerformanceEntry"/> object by replacing tokens with values
/// </overloads>
/// <summary>
/// Formats the <see cref="PerformanceEntry"/> object by replacing tokens with values.
/// </summary>
/// <param name="performance">Log entry to format.</param>
/// <returns>Formatted string with tokens replaced with property values.</returns>
public override string Format(PerformanceEntry performance)
{
return(Format(CreateTemplateBuilder(), performance));
}
public void Write(PerformanceEntry performance)
{
EventLog.WriteEntry(performance.Title, performance.Message, GetEventLogEntryType(performance));
}
public void Write(PerformanceEntry performance)
{
Trace.WriteLine(performance.Message, performance.Title);
}
/// <summary> /// Abstract method to process the token value between the start and end delimiter. /// </summary> /// <param name="tokenTemplate">Token value between the start and end delimiters.</param> /// <param name="performance">Log entry to process.</param> /// <returns>Formatted value to replace the token.</returns> public abstract string FormatToken(string tokenTemplate, PerformanceEntry performance);
