private bool AddArrayItemFromElement(object o, NLogXmlElement element)
{
var name = element.LocalName;
PropertyInfo propInfo;
if (!PropertyHelper.TryGetPropertyInfo(o, name, out propInfo))
{
return(false);
}
var elementType = PropertyHelper.GetArrayItemType(propInfo);
if (elementType != null)
{
var propertyValue = (IList)propInfo.GetValue(o, null);
var arrayItem = FactoryHelper.CreateInstance(elementType);
ConfigureObjectFromAttributes(arrayItem, element, true);
ConfigureObjectFromElement(arrayItem, element);
propertyValue.Add(arrayItem);
return(true);
}
return(false);
}
private bool SetLayoutFromElement(object o, NLogXmlElement layoutElement)
{
PropertyInfo targetPropertyInfo;
var name = layoutElement.LocalName;
// if property exists
if (PropertyHelper.TryGetPropertyInfo(o, name, out targetPropertyInfo))
{
// and is a Layout
if (typeof(Layout).IsAssignableFrom(targetPropertyInfo.PropertyType))
{
var layoutTypeName = StripOptionalNamespacePrefix(layoutElement.GetOptionalAttribute("type", null));
// and 'type' attribute has been specified
if (layoutTypeName != null)
{
// configure it from current element
var layout = configurationItemFactory.Layouts.CreateInstance(ExpandVariables(layoutTypeName));
ConfigureObjectFromAttributes(layout, layoutElement, true);
ConfigureObjectFromElement(layout, layoutElement);
targetPropertyInfo.SetValue(o, layout, null);
return(true);
}
}
}
return(false);
}
private void ConfigureObjectFromElement(object targetObject, NLogXmlElement element)
{
foreach (var child in element.Children)
{
SetPropertyFromElement(targetObject, child);
}
}
private Target WrapWithDefaultWrapper(Target t, NLogXmlElement defaultParameters)
{
var wrapperType = StripOptionalNamespacePrefix(defaultParameters.GetRequiredAttribute("type"));
var wrapperTargetInstance = configurationItemFactory.Targets.CreateInstance(wrapperType);
var wtb = wrapperTargetInstance as WrapperTargetBase;
if (wtb == null)
{
throw new NLogConfigurationException("Target type specified on <default-wrapper /> is not a wrapper.");
}
ParseTargetElement(wrapperTargetInstance, defaultParameters);
while (wtb.WrappedTarget != null)
{
wtb = wtb.WrappedTarget as WrapperTargetBase;
if (wtb == null)
{
throw new NLogConfigurationException("Child target type specified on <default-wrapper /> is not a wrapper.");
}
}
wtb.WrappedTarget = t;
wrapperTargetInstance.Name = t.Name;
t.Name = t.Name + "_wrapped";
InternalLogger.Debug("Wrapping target '{0}' with '{1}' and renaming to '{2}", wrapperTargetInstance.Name, wrapperTargetInstance.GetType().Name, t.Name);
return(wrapperTargetInstance);
}
private void ParseVariableElement(NLogXmlElement variableElement)
{
variableElement.AssertName("variable");
var name = variableElement.GetRequiredAttribute("name");
var value = ExpandVariables(variableElement.GetRequiredAttribute("value"));
variables[name] = value;
}
private void ParseConfigurationElement(NLogXmlElement configurationElement, string baseDirectory)
{
InternalLogger.Trace("ParseConfigurationElement");
configurationElement.AssertName("configuration");
foreach (var el in configurationElement.Elements("nlog"))
{
ParseNLogElement(el, baseDirectory);
}
}
private void ParseRulesElement(NLogXmlElement rulesElement, IList <LoggingRule> rulesCollection)
{
InternalLogger.Trace("ParseRulesElement");
rulesElement.AssertName("rules");
foreach (var loggerElement in rulesElement.Elements("logger"))
{
ParseLoggerElement(loggerElement, rulesCollection);
}
}
private void ParseFilters(LoggingRule rule, NLogXmlElement filtersElement)
{
filtersElement.AssertName("filters");
foreach (var filterElement in filtersElement.Children)
{
var name = filterElement.LocalName;
var filter = configurationItemFactory.Filters.CreateInstance(name);
ConfigureObjectFromAttributes(filter, filterElement, false);
rule.Filters.Add(filter);
}
}
private void SetPropertyFromElement(object o, NLogXmlElement element)
{
if (AddArrayItemFromElement(o, element))
{
return;
}
if (SetLayoutFromElement(o, element))
{
return;
}
PropertyHelper.SetPropertyFromString(o, element.LocalName, ExpandVariables(element.Value), configurationItemFactory);
}
private void ConfigureObjectFromAttributes(object targetObject, NLogXmlElement element, bool ignoreType)
{
foreach (var kvp in element.AttributeValues)
{
var childName = kvp.Key;
var childValue = kvp.Value;
if (ignoreType && childName.Equals("type", StringComparison.OrdinalIgnoreCase))
{
continue;
}
PropertyHelper.SetPropertyFromString(targetObject, childName, ExpandVariables(childValue), configurationItemFactory);
}
}
private void ParseTopLevel(NLogXmlElement content, string baseDirectory)
{
content.AssertName("nlog", "configuration");
switch (content.LocalName.ToUpper(CultureInfo.InvariantCulture))
{
case "CONFIGURATION":
ParseConfigurationElement(content, baseDirectory);
break;
case "NLOG":
ParseNLogElement(content, baseDirectory);
break;
}
}
private void ParseIncludeElement(NLogXmlElement includeElement, string baseDirectory)
{
includeElement.AssertName("include");
var newFileName = includeElement.GetRequiredAttribute("file");
try
{
newFileName = ExpandVariables(newFileName);
newFileName = SimpleLayout.Evaluate(newFileName);
if (baseDirectory != null)
{
newFileName = Path.Combine(baseDirectory, newFileName);
}
#if SILVERLIGHT
newFileName = newFileName.Replace("\\", "/");
if (Application.GetResourceStream(new Uri(newFileName, UriKind.Relative)) != null)
#else
if (File.Exists(newFileName))
#endif
{
InternalLogger.Debug("Including file '{0}'", newFileName);
ConfigureFromFile(newFileName);
}
else
{
throw new FileNotFoundException("Included file not found: " + newFileName);
}
}
catch (Exception exception)
{
if (exception.MustBeRethrown())
{
throw;
}
InternalLogger.Error("Error when including '{0}' {1}", newFileName, exception);
if (includeElement.GetOptionalBooleanAttribute("ignoreErrors", false))
{
return;
}
throw new NLogConfigurationException("Error when including: " + newFileName, exception);
}
}
private void ParseNLogElement(NLogXmlElement nlogElement, string baseDirectory)
{
InternalLogger.Trace("ParseNLogElement");
nlogElement.AssertName("nlog");
AutoReload = nlogElement.GetOptionalBooleanAttribute("autoReload", false);
LogManager.ThrowExceptions = nlogElement.GetOptionalBooleanAttribute("throwExceptions", LogManager.ThrowExceptions);
InternalLogger.LogToConsole = nlogElement.GetOptionalBooleanAttribute("internalLogToConsole", InternalLogger.LogToConsole);
#if !NET_CF
InternalLogger.LogToConsoleError = nlogElement.GetOptionalBooleanAttribute("internalLogToConsoleError", InternalLogger.LogToConsoleError);
#endif
InternalLogger.LogFile = nlogElement.GetOptionalAttribute("internalLogFile", InternalLogger.LogFile);
InternalLogger.LogLevel = LogLevel.FromString(nlogElement.GetOptionalAttribute("internalLogLevel", InternalLogger.LogLevel.Name));
LogManager.GlobalThreshold = LogLevel.FromString(nlogElement.GetOptionalAttribute("globalThreshold", LogManager.GlobalThreshold.Name));
foreach (var el in nlogElement.Children)
{
switch (el.LocalName.ToUpper(CultureInfo.InvariantCulture))
{
case "EXTENSIONS":
ParseExtensionsElement(el, baseDirectory);
break;
case "INCLUDE":
ParseIncludeElement(el, baseDirectory);
break;
case "APPENDERS":
case "TARGETS":
ParseTargetsElement(el);
break;
case "VARIABLE":
ParseVariableElement(el);
break;
case "RULES":
ParseRulesElement(el, LoggingRules);
break;
default:
InternalLogger.Warn("Skipping unknown node: {0}", el.LocalName);
break;
}
}
}
/// <summary>
/// Initializes the configuration.
/// </summary>
/// <param name="reader">
/// <see cref="XmlReader" /> containing the configuration section.
/// </param>
/// <param name="fileName">Name of the file that contains the element (to be used as a base for including other files).</param>
/// <param name="ignoreErrors">Ignore any errors during configuration.</param>
private void Initialize(XmlReader reader, string fileName, bool ignoreErrors)
{
try
{
reader.MoveToContent();
var content = new NLogXmlElement(reader);
if (fileName != null)
{
InternalLogger.Info("Configuring from an XML element in {0}...", fileName);
#if SILVERLIGHT
string key = fileName;
#else
var key = Path.GetFullPath(fileName);
#endif
visitedFile[key] = true;
originalFileName = fileName;
ParseTopLevel(content, Path.GetDirectoryName(fileName));
}
else
{
ParseTopLevel(content, null);
}
}
catch (Exception exception)
{
if (exception.MustBeRethrown())
{
throw;
}
InternalLogger.Error("Error {0}...", exception);
if (!ignoreErrors)
{
throw new NLogConfigurationException("Exception occurred when loading configuration from " + fileName, exception);
}
}
}
private void ParseIncludeElement(NLogXmlElement includeElement, string baseDirectory)
{
includeElement.AssertName("include");
var newFileName = includeElement.GetRequiredAttribute("file");
try
{
newFileName = ExpandVariables(newFileName);
newFileName = SimpleLayout.Evaluate(newFileName);
if (baseDirectory != null)
{
newFileName = Path.Combine(baseDirectory, newFileName);
}
#if SILVERLIGHT
newFileName = newFileName.Replace("\\", "/");
if (Application.GetResourceStream(new Uri(newFileName, UriKind.Relative)) != null)
#else
if (File.Exists(newFileName))
#endif
{
InternalLogger.Debug("Including file '{0}'", newFileName);
ConfigureFromFile(newFileName);
}
else
{
throw new FileNotFoundException("Included file not found: " + newFileName);
}
}
catch (Exception exception)
{
if (exception.MustBeRethrown())
{
throw;
}
InternalLogger.Error("Error when including '{0}' {1}", newFileName, exception);
if (includeElement.GetOptionalBooleanAttribute("ignoreErrors", false))
{
return;
}
throw new NLogConfigurationException("Error when including: " + newFileName, exception);
}
}
private void ParseTargetElement(Target target, NLogXmlElement targetElement)
{
var compound = target as CompoundTargetBase;
var wrapper = target as WrapperTargetBase;
ConfigureObjectFromAttributes(target, targetElement, true);
foreach (var childElement in targetElement.Children)
{
var name = childElement.LocalName;
if (compound != null)
{
if (IsTargetRefElement(name))
{
var targetName = childElement.GetRequiredAttribute("name");
var newTarget = FindTargetByName(targetName);
if (newTarget == null)
{
throw new NLogConfigurationException("Referenced target '" + targetName + "' not found.");
}
compound.Targets.Add(newTarget);
continue;
}
if (IsTargetElement(name))
{
var type = StripOptionalNamespacePrefix(childElement.GetRequiredAttribute("type"));
var newTarget = configurationItemFactory.Targets.CreateInstance(type);
if (newTarget != null)
{
ParseTargetElement(newTarget, childElement);
if (newTarget.Name != null)
{
// if the new target has name, register it
AddTarget(newTarget.Name, newTarget);
}
compound.Targets.Add(newTarget);
}
continue;
}
}
if (wrapper != null)
{
if (IsTargetRefElement(name))
{
var targetName = childElement.GetRequiredAttribute("name");
var newTarget = FindTargetByName(targetName);
if (newTarget == null)
{
throw new NLogConfigurationException("Referenced target '" + targetName + "' not found.");
}
wrapper.WrappedTarget = newTarget;
continue;
}
if (IsTargetElement(name))
{
var type = StripOptionalNamespacePrefix(childElement.GetRequiredAttribute("type"));
var newTarget = configurationItemFactory.Targets.CreateInstance(type);
if (newTarget != null)
{
ParseTargetElement(newTarget, childElement);
if (newTarget.Name != null)
{
// if the new target has name, register it
AddTarget(newTarget.Name, newTarget);
}
if (wrapper.WrappedTarget != null)
{
throw new NLogConfigurationException("Wrapped target already defined.");
}
wrapper.WrappedTarget = newTarget;
}
continue;
}
}
SetPropertyFromElement(target, childElement);
}
}
private void ParseExtensionsElement(NLogXmlElement extensionsElement, string baseDirectory)
{
extensionsElement.AssertName("extensions");
foreach (var addElement in extensionsElement.Elements("add"))
{
var prefix = addElement.GetOptionalAttribute("prefix", null);
if (prefix != null)
{
prefix = prefix + ".";
}
var type = StripOptionalNamespacePrefix(addElement.GetOptionalAttribute("type", null));
if (type != null)
{
configurationItemFactory.RegisterType(Type.GetType(type, true), prefix);
}
#if !WINDOWS_PHONE
var assemblyFile = addElement.GetOptionalAttribute("assemblyFile", null);
if (assemblyFile != null)
{
try
{
#if SILVERLIGHT
var si = Application.GetResourceStream(new Uri(assemblyFile, UriKind.Relative));
var assemblyPart = new AssemblyPart();
Assembly asm = assemblyPart.Load(si.Stream);
#else
var fullFileName = Path.Combine(baseDirectory, assemblyFile);
InternalLogger.Info("Loading assembly file: {0}", fullFileName);
var asm = Assembly.LoadFrom(fullFileName);
#endif
configurationItemFactory.RegisterItemsFromAssembly(asm, prefix);
}
catch (Exception exception)
{
if (exception.MustBeRethrown())
{
throw;
}
InternalLogger.Error("Error loading extensions: {0}", exception);
if (LogManager.ThrowExceptions)
{
throw new NLogConfigurationException("Error loading extensions: " + assemblyFile, exception);
}
}
continue;
}
var assemblyName = addElement.GetOptionalAttribute("assembly", null);
if (assemblyName != null)
{
try
{
InternalLogger.Info("Loading assembly name: {0}", assemblyName);
#if SILVERLIGHT
var si = Application.GetResourceStream(new Uri(assemblyName + ".dll", UriKind.Relative));
var assemblyPart = new AssemblyPart();
Assembly asm = assemblyPart.Load(si.Stream);
#else
var asm = Assembly.Load(assemblyName);
#endif
configurationItemFactory.RegisterItemsFromAssembly(asm, prefix);
}
catch (Exception exception)
{
if (exception.MustBeRethrown())
{
throw;
}
InternalLogger.Error("Error loading extensions: {0}", exception);
if (LogManager.ThrowExceptions)
{
throw new NLogConfigurationException("Error loading extensions: " + assemblyName, exception);
}
}
continue;
}
#endif
}
}
private bool SetLayoutFromElement(object o, NLogXmlElement layoutElement)
{
PropertyInfo targetPropertyInfo;
var name = layoutElement.LocalName;
// if property exists
if (PropertyHelper.TryGetPropertyInfo(o, name, out targetPropertyInfo))
{
// and is a Layout
if (typeof (Layout).IsAssignableFrom(targetPropertyInfo.PropertyType))
{
var layoutTypeName = StripOptionalNamespacePrefix(layoutElement.GetOptionalAttribute("type", null));
// and 'type' attribute has been specified
if (layoutTypeName != null)
{
// configure it from current element
var layout = configurationItemFactory.Layouts.CreateInstance(ExpandVariables(layoutTypeName));
ConfigureObjectFromAttributes(layout, layoutElement, true);
ConfigureObjectFromElement(layout, layoutElement);
targetPropertyInfo.SetValue(o, layout, null);
return true;
}
}
}
return false;
}
private void ParseTargetsElement(NLogXmlElement targetsElement)
{
targetsElement.AssertName("targets", "appenders");
var asyncWrap = targetsElement.GetOptionalBooleanAttribute("async", false);
NLogXmlElement defaultWrapperElement = null;
var typeNameToDefaultTargetParameters = new Dictionary <string, NLogXmlElement>();
foreach (var targetElement in targetsElement.Children)
{
var name = targetElement.LocalName;
var type = StripOptionalNamespacePrefix(targetElement.GetOptionalAttribute("type", null));
switch (name.ToUpper(CultureInfo.InvariantCulture))
{
case "DEFAULT-WRAPPER":
defaultWrapperElement = targetElement;
break;
case "DEFAULT-TARGET-PARAMETERS":
if (type == null)
{
throw new NLogConfigurationException("Missing 'type' attribute on <" + name + "/>.");
}
typeNameToDefaultTargetParameters[type] = targetElement;
break;
case "TARGET":
case "APPENDER":
case "WRAPPER":
case "WRAPPER-TARGET":
case "COMPOUND-TARGET":
if (type == null)
{
throw new NLogConfigurationException("Missing 'type' attribute on <" + name + "/>.");
}
var newTarget = configurationItemFactory.Targets.CreateInstance(type);
NLogXmlElement defaults;
if (typeNameToDefaultTargetParameters.TryGetValue(type, out defaults))
{
ParseTargetElement(newTarget, defaults);
}
ParseTargetElement(newTarget, targetElement);
if (asyncWrap)
{
newTarget = WrapWithAsyncTargetWrapper(newTarget);
}
if (defaultWrapperElement != null)
{
newTarget = WrapWithDefaultWrapper(newTarget, defaultWrapperElement);
}
InternalLogger.Info("Adding target {0}", newTarget);
AddTarget(newTarget.Name, newTarget);
break;
}
}
}
private void ParseConfigurationElement(NLogXmlElement configurationElement, string baseDirectory)
{
InternalLogger.Trace("ParseConfigurationElement");
configurationElement.AssertName("configuration");
foreach (var el in configurationElement.Elements("nlog"))
{
ParseNLogElement(el, baseDirectory);
}
}
private void ConfigureObjectFromElement(object targetObject, NLogXmlElement element)
{
foreach (var child in element.Children)
{
SetPropertyFromElement(targetObject, child);
}
}
private void ParseTargetElement(Target target, NLogXmlElement targetElement)
{
var compound = target as CompoundTargetBase;
var wrapper = target as WrapperTargetBase;
ConfigureObjectFromAttributes(target, targetElement, true);
foreach (var childElement in targetElement.Children)
{
var name = childElement.LocalName;
if (compound != null)
{
if (IsTargetRefElement(name))
{
var targetName = childElement.GetRequiredAttribute("name");
var newTarget = FindTargetByName(targetName);
if (newTarget == null)
{
throw new NLogConfigurationException("Referenced target '" + targetName + "' not found.");
}
compound.Targets.Add(newTarget);
continue;
}
if (IsTargetElement(name))
{
var type = StripOptionalNamespacePrefix(childElement.GetRequiredAttribute("type"));
var newTarget = configurationItemFactory.Targets.CreateInstance(type);
if (newTarget != null)
{
ParseTargetElement(newTarget, childElement);
if (newTarget.Name != null)
{
// if the new target has name, register it
AddTarget(newTarget.Name, newTarget);
}
compound.Targets.Add(newTarget);
}
continue;
}
}
if (wrapper != null)
{
if (IsTargetRefElement(name))
{
var targetName = childElement.GetRequiredAttribute("name");
var newTarget = FindTargetByName(targetName);
if (newTarget == null)
{
throw new NLogConfigurationException("Referenced target '" + targetName + "' not found.");
}
wrapper.WrappedTarget = newTarget;
continue;
}
if (IsTargetElement(name))
{
var type = StripOptionalNamespacePrefix(childElement.GetRequiredAttribute("type"));
var newTarget = configurationItemFactory.Targets.CreateInstance(type);
if (newTarget != null)
{
ParseTargetElement(newTarget, childElement);
if (newTarget.Name != null)
{
// if the new target has name, register it
AddTarget(newTarget.Name, newTarget);
}
if (wrapper.WrappedTarget != null)
{
throw new NLogConfigurationException("Wrapped target already defined.");
}
wrapper.WrappedTarget = newTarget;
}
continue;
}
}
SetPropertyFromElement(target, childElement);
}
}
private void ParseRulesElement(NLogXmlElement rulesElement, IList<LoggingRule> rulesCollection)
{
InternalLogger.Trace("ParseRulesElement");
rulesElement.AssertName("rules");
foreach (var loggerElement in rulesElement.Elements("logger"))
{
ParseLoggerElement(loggerElement, rulesCollection);
}
}
private void ParseTopLevel(NLogXmlElement content, string baseDirectory)
{
content.AssertName("nlog", "configuration");
switch (content.LocalName.ToUpper(CultureInfo.InvariantCulture))
{
case "CONFIGURATION":
ParseConfigurationElement(content, baseDirectory);
break;
case "NLOG":
ParseNLogElement(content, baseDirectory);
break;
}
}
private void ParseTargetsElement(NLogXmlElement targetsElement)
{
targetsElement.AssertName("targets", "appenders");
var asyncWrap = targetsElement.GetOptionalBooleanAttribute("async", false);
NLogXmlElement defaultWrapperElement = null;
var typeNameToDefaultTargetParameters = new Dictionary<string, NLogXmlElement>();
foreach (var targetElement in targetsElement.Children)
{
var name = targetElement.LocalName;
var type = StripOptionalNamespacePrefix(targetElement.GetOptionalAttribute("type", null));
switch (name.ToUpper(CultureInfo.InvariantCulture))
{
case "DEFAULT-WRAPPER":
defaultWrapperElement = targetElement;
break;
case "DEFAULT-TARGET-PARAMETERS":
if (type == null)
{
throw new NLogConfigurationException("Missing 'type' attribute on <" + name + "/>.");
}
typeNameToDefaultTargetParameters[type] = targetElement;
break;
case "TARGET":
case "APPENDER":
case "WRAPPER":
case "WRAPPER-TARGET":
case "COMPOUND-TARGET":
if (type == null)
{
throw new NLogConfigurationException("Missing 'type' attribute on <" + name + "/>.");
}
var newTarget = configurationItemFactory.Targets.CreateInstance(type);
NLogXmlElement defaults;
if (typeNameToDefaultTargetParameters.TryGetValue(type, out defaults))
{
ParseTargetElement(newTarget, defaults);
}
ParseTargetElement(newTarget, targetElement);
if (asyncWrap)
{
newTarget = WrapWithAsyncTargetWrapper(newTarget);
}
if (defaultWrapperElement != null)
{
newTarget = WrapWithDefaultWrapper(newTarget, defaultWrapperElement);
}
InternalLogger.Info("Adding target {0}", newTarget);
AddTarget(newTarget.Name, newTarget);
break;
}
}
}
private void ConfigureObjectFromAttributes(object targetObject, NLogXmlElement element, bool ignoreType)
{
foreach (var kvp in element.AttributeValues)
{
var childName = kvp.Key;
var childValue = kvp.Value;
if (ignoreType && childName.Equals("type", StringComparison.OrdinalIgnoreCase))
{
continue;
}
PropertyHelper.SetPropertyFromString(targetObject, childName, ExpandVariables(childValue), configurationItemFactory);
}
}
private Target WrapWithDefaultWrapper(Target t, NLogXmlElement defaultParameters)
{
var wrapperType = StripOptionalNamespacePrefix(defaultParameters.GetRequiredAttribute("type"));
var wrapperTargetInstance = configurationItemFactory.Targets.CreateInstance(wrapperType);
var wtb = wrapperTargetInstance as WrapperTargetBase;
if (wtb == null)
{
throw new NLogConfigurationException("Target type specified on <default-wrapper /> is not a wrapper.");
}
ParseTargetElement(wrapperTargetInstance, defaultParameters);
while (wtb.WrappedTarget != null)
{
wtb = wtb.WrappedTarget as WrapperTargetBase;
if (wtb == null)
{
throw new NLogConfigurationException("Child target type specified on <default-wrapper /> is not a wrapper.");
}
}
wtb.WrappedTarget = t;
wrapperTargetInstance.Name = t.Name;
t.Name = t.Name + "_wrapped";
InternalLogger.Debug("Wrapping target '{0}' with '{1}' and renaming to '{2}", wrapperTargetInstance.Name, wrapperTargetInstance.GetType().Name, t.Name);
return wrapperTargetInstance;
}
private void SetPropertyFromElement(object o, NLogXmlElement element)
{
if (AddArrayItemFromElement(o, element))
{
return;
}
if (SetLayoutFromElement(o, element))
{
return;
}
PropertyHelper.SetPropertyFromString(o, element.LocalName, ExpandVariables(element.Value), configurationItemFactory);
}
private void ParseFilters(LoggingRule rule, NLogXmlElement filtersElement)
{
filtersElement.AssertName("filters");
foreach (var filterElement in filtersElement.Children)
{
var name = filterElement.LocalName;
var filter = configurationItemFactory.Filters.CreateInstance(name);
ConfigureObjectFromAttributes(filter, filterElement, false);
rule.Filters.Add(filter);
}
}
private void ParseLoggerElement(NLogXmlElement loggerElement, IList <LoggingRule> rulesCollection)
{
loggerElement.AssertName("logger");
var rule = new LoggingRule();
var namePattern = loggerElement.GetOptionalAttribute("name", "*");
var appendTo = loggerElement.GetOptionalAttribute("appendTo", null);
if (appendTo == null)
{
appendTo = loggerElement.GetOptionalAttribute("writeTo", null);
}
rule.LoggerNamePattern = namePattern;
if (appendTo != null)
{
foreach (var t in appendTo.Split(','))
{
var targetName = t.Trim();
var target = FindTargetByName(targetName);
if (target != null)
{
rule.Targets.Add(target);
}
else
{
throw new NLogConfigurationException("Target " + targetName + " not found.");
}
}
}
rule.Final = loggerElement.GetOptionalBooleanAttribute("final", false);
string levelString;
if (loggerElement.AttributeValues.TryGetValue("level", out levelString))
{
var level = LogLevel.FromString(levelString);
rule.EnableLoggingForLevel(level);
}
else if (loggerElement.AttributeValues.TryGetValue("levels", out levelString))
{
levelString = CleanWhitespace(levelString);
var tokens = levelString.Split(',');
foreach (var s in tokens)
{
if (!string.IsNullOrEmpty(s))
{
var level = LogLevel.FromString(s);
rule.EnableLoggingForLevel(level);
}
}
}
else
{
var minLevel = 0;
var maxLevel = LogLevel.MaxLevel.Ordinal;
string minLevelString;
string maxLevelString;
if (loggerElement.AttributeValues.TryGetValue("minLevel", out minLevelString))
{
minLevel = LogLevel.FromString(minLevelString).Ordinal;
}
if (loggerElement.AttributeValues.TryGetValue("maxLevel", out maxLevelString))
{
maxLevel = LogLevel.FromString(maxLevelString).Ordinal;
}
for (var i = minLevel; i <= maxLevel; ++i)
{
rule.EnableLoggingForLevel(LogLevel.FromOrdinal(i));
}
}
foreach (var child in loggerElement.Children)
{
switch (child.LocalName.ToUpper(CultureInfo.InvariantCulture))
{
case "FILTERS":
ParseFilters(rule, child);
break;
case "LOGGER":
ParseLoggerElement(child, rule.ChildRules);
break;
}
}
rulesCollection.Add(rule);
}
private void ParseExtensionsElement(NLogXmlElement extensionsElement, string baseDirectory)
{
extensionsElement.AssertName("extensions");
foreach (var addElement in extensionsElement.Elements("add"))
{
var prefix = addElement.GetOptionalAttribute("prefix", null);
if (prefix != null)
{
prefix = prefix + ".";
}
var type = StripOptionalNamespacePrefix(addElement.GetOptionalAttribute("type", null));
if (type != null)
{
configurationItemFactory.RegisterType(Type.GetType(type, true), prefix);
}
#if !WINDOWS_PHONE
var assemblyFile = addElement.GetOptionalAttribute("assemblyFile", null);
if (assemblyFile != null)
{
try
{
#if SILVERLIGHT
var si = Application.GetResourceStream(new Uri(assemblyFile, UriKind.Relative));
var assemblyPart = new AssemblyPart();
Assembly asm = assemblyPart.Load(si.Stream);
#else
var fullFileName = Path.Combine(baseDirectory, assemblyFile);
InternalLogger.Info("Loading assembly file: {0}", fullFileName);
var asm = Assembly.LoadFrom(fullFileName);
#endif
configurationItemFactory.RegisterItemsFromAssembly(asm, prefix);
}
catch (Exception exception)
{
if (exception.MustBeRethrown())
{
throw;
}
InternalLogger.Error("Error loading extensions: {0}", exception);
if (LogManager.ThrowExceptions)
{
throw new NLogConfigurationException("Error loading extensions: " + assemblyFile, exception);
}
}
continue;
}
var assemblyName = addElement.GetOptionalAttribute("assembly", null);
if (assemblyName != null)
{
try
{
InternalLogger.Info("Loading assembly name: {0}", assemblyName);
#if SILVERLIGHT
var si = Application.GetResourceStream(new Uri(assemblyName + ".dll", UriKind.Relative));
var assemblyPart = new AssemblyPart();
Assembly asm = assemblyPart.Load(si.Stream);
#else
var asm = Assembly.Load(assemblyName);
#endif
configurationItemFactory.RegisterItemsFromAssembly(asm, prefix);
}
catch (Exception exception)
{
if (exception.MustBeRethrown())
{
throw;
}
InternalLogger.Error("Error loading extensions: {0}", exception);
if (LogManager.ThrowExceptions)
{
throw new NLogConfigurationException("Error loading extensions: " + assemblyName, exception);
}
}
continue;
}
#endif
}
}
private void ParseNLogElement(NLogXmlElement nlogElement, string baseDirectory)
{
InternalLogger.Trace("ParseNLogElement");
nlogElement.AssertName("nlog");
AutoReload = nlogElement.GetOptionalBooleanAttribute("autoReload", false);
LogManager.ThrowExceptions = nlogElement.GetOptionalBooleanAttribute("throwExceptions", LogManager.ThrowExceptions);
InternalLogger.LogToConsole = nlogElement.GetOptionalBooleanAttribute("internalLogToConsole", InternalLogger.LogToConsole);
#if !NET_CF
InternalLogger.LogToConsoleError = nlogElement.GetOptionalBooleanAttribute("internalLogToConsoleError", InternalLogger.LogToConsoleError);
#endif
InternalLogger.LogFile = nlogElement.GetOptionalAttribute("internalLogFile", InternalLogger.LogFile);
InternalLogger.LogLevel = LogLevel.FromString(nlogElement.GetOptionalAttribute("internalLogLevel", InternalLogger.LogLevel.Name));
LogManager.GlobalThreshold = LogLevel.FromString(nlogElement.GetOptionalAttribute("globalThreshold", LogManager.GlobalThreshold.Name));
foreach (var el in nlogElement.Children)
{
switch (el.LocalName.ToUpper(CultureInfo.InvariantCulture))
{
case "EXTENSIONS":
ParseExtensionsElement(el, baseDirectory);
break;
case "INCLUDE":
ParseIncludeElement(el, baseDirectory);
break;
case "APPENDERS":
case "TARGETS":
ParseTargetsElement(el);
break;
case "VARIABLE":
ParseVariableElement(el);
break;
case "RULES":
ParseRulesElement(el, LoggingRules);
break;
default:
InternalLogger.Warn("Skipping unknown node: {0}", el.LocalName);
break;
}
}
}
/// <summary>
/// Initializes the configuration.
/// </summary>
/// <param name="reader">
/// <see cref="XmlReader" /> containing the configuration section.
/// </param>
/// <param name="fileName">Name of the file that contains the element (to be used as a base for including other files).</param>
/// <param name="ignoreErrors">Ignore any errors during configuration.</param>
private void Initialize(XmlReader reader, string fileName, bool ignoreErrors)
{
try
{
reader.MoveToContent();
var content = new NLogXmlElement(reader);
if (fileName != null)
{
InternalLogger.Info("Configuring from an XML element in {0}...", fileName);
#if SILVERLIGHT
string key = fileName;
#else
var key = Path.GetFullPath(fileName);
#endif
visitedFile[key] = true;
originalFileName = fileName;
ParseTopLevel(content, Path.GetDirectoryName(fileName));
}
else
{
ParseTopLevel(content, null);
}
}
catch (Exception exception)
{
if (exception.MustBeRethrown())
{
throw;
}
InternalLogger.Error("Error {0}...", exception);
if (!ignoreErrors)
{
throw new NLogConfigurationException("Exception occurred when loading configuration from " + fileName, exception);
}
}
}
private void ParseLoggerElement(NLogXmlElement loggerElement, IList<LoggingRule> rulesCollection)
{
loggerElement.AssertName("logger");
var rule = new LoggingRule();
var namePattern = loggerElement.GetOptionalAttribute("name", "*");
var appendTo = loggerElement.GetOptionalAttribute("appendTo", null);
if (appendTo == null)
{
appendTo = loggerElement.GetOptionalAttribute("writeTo", null);
}
rule.LoggerNamePattern = namePattern;
if (appendTo != null)
{
foreach (var t in appendTo.Split(','))
{
var targetName = t.Trim();
var target = FindTargetByName(targetName);
if (target != null)
{
rule.Targets.Add(target);
}
else
{
throw new NLogConfigurationException("Target " + targetName + " not found.");
}
}
}
rule.Final = loggerElement.GetOptionalBooleanAttribute("final", false);
string levelString;
if (loggerElement.AttributeValues.TryGetValue("level", out levelString))
{
var level = LogLevel.FromString(levelString);
rule.EnableLoggingForLevel(level);
}
else if (loggerElement.AttributeValues.TryGetValue("levels", out levelString))
{
levelString = CleanWhitespace(levelString);
var tokens = levelString.Split(',');
foreach (var s in tokens)
{
if (!string.IsNullOrEmpty(s))
{
var level = LogLevel.FromString(s);
rule.EnableLoggingForLevel(level);
}
}
}
else
{
var minLevel = 0;
var maxLevel = LogLevel.MaxLevel.Ordinal;
string minLevelString;
string maxLevelString;
if (loggerElement.AttributeValues.TryGetValue("minLevel", out minLevelString))
{
minLevel = LogLevel.FromString(minLevelString).Ordinal;
}
if (loggerElement.AttributeValues.TryGetValue("maxLevel", out maxLevelString))
{
maxLevel = LogLevel.FromString(maxLevelString).Ordinal;
}
for (var i = minLevel; i <= maxLevel; ++i)
{
rule.EnableLoggingForLevel(LogLevel.FromOrdinal(i));
}
}
foreach (var child in loggerElement.Children)
{
switch (child.LocalName.ToUpper(CultureInfo.InvariantCulture))
{
case "FILTERS":
ParseFilters(rule, child);
break;
case "LOGGER":
ParseLoggerElement(child, rule.ChildRules);
break;
}
}
rulesCollection.Add(rule);
}
private bool AddArrayItemFromElement(object o, NLogXmlElement element)
{
var name = element.LocalName;
PropertyInfo propInfo;
if (!PropertyHelper.TryGetPropertyInfo(o, name, out propInfo))
{
return false;
}
var elementType = PropertyHelper.GetArrayItemType(propInfo);
if (elementType != null)
{
var propertyValue = (IList) propInfo.GetValue(o, null);
var arrayItem = FactoryHelper.CreateInstance(elementType);
ConfigureObjectFromAttributes(arrayItem, element, true);
ConfigureObjectFromElement(arrayItem, element);
propertyValue.Add(arrayItem);
return true;
}
return false;
}
private void ParseVariableElement(NLogXmlElement variableElement)
{
variableElement.AssertName("variable");
var name = variableElement.GetRequiredAttribute("name");
var value = ExpandVariables(variableElement.GetRequiredAttribute("value"));
variables[name] = value;
}
