/// <summary>
/// Gets the handler for a config section
/// </summary>
/// <param name="sectionName">Name of the handler</param>
/// <param name="parentHandler">Handler of the parent section</param>
/// <param name="xmlDoc">XML document containing the config</param>
/// <returns>Handler for a config section</returns>
private static object GetAppSettingsFileHandler(string sectionName, IConfigurationSectionHandler parentHandler, XmlDocument xmlDoc)
{
object handler = null;
XmlNode node = xmlDoc.SelectSingleNode("//" + sectionName);
XmlAttribute att = (XmlAttribute)node.Attributes.RemoveNamedItem("file");
if (att == null || att.Value == null || att.Value.Length == 0)
{
return(parentHandler.Create(null, null, node));
}
else
{
string fileName = att.Value;
string dir = Path.GetDirectoryName(fileName);
string fullName = Path.Combine(dir, fileName);
XmlDocument xmlDoc2 = new XmlDocument();
xmlDoc2.Load(fullName);
object parent = parentHandler.Create(null, null, node);
IConfigurationSectionHandler h = new NameValueSectionHandler();
handler = h.Create(parent, null, xmlDoc2.DocumentElement);
}
return(handler);
}
private object EvaluateRecursive(IConfigurationSectionHandler sectionHandler, object config, string[] keys, int keyIndex, XmlTextReader reader)
{
string name = keys[keyIndex];
int depth = reader.Depth;
while (reader.Read() && reader.NodeType != XmlNodeType.Element)
{
;
}
while (reader.Depth == depth + 1)
{
if (reader.Name == name)
{
if (keyIndex < keys.Length - 1)
{
config = EvaluateRecursive(sectionHandler, config, keys, keyIndex + 1, reader);
}
else
{
XmlDocument doc = new XmlDocument();
XmlNode section = doc.ReadNode(reader);
config = sectionHandler.Create(config, null, section);
}
continue;
}
SkipToNextElement(reader);
}
return(config);
}
public static object ReadSection(Configuration conf, string sectionname)
{
ConfigurationSection section = null;
if (conf == null || (section = conf.GetSection(sectionname)) == null)
{
return(null);
}
string xml = section.SectionInformation.GetRawXml();
Type type = Type.GetType(section.SectionInformation.Type);
if (typeof(IConfigurationSectionHandler).IsAssignableFrom(type))
{
XmlDocument doc = new XmlDocument();
doc.Load(XmlReader.Create(new StringReader(xml)));
IConfigurationSectionHandler configSectionHandlerHandle = Activator.CreateInstance(type) as IConfigurationSectionHandler;
if (configSectionHandlerHandle != null)
{
return(configSectionHandlerHandle.Create(null, null, doc));
}
}
return(xml);
}
object GetConfigInternal(string sectionName, HttpContext context, bool useLoc)
{
object handler = GetHandler(sectionName);
IConfigurationSectionHandler iconf = handler as IConfigurationSectionHandler;
if (iconf == null)
{
return(handler);
}
object parentConfig = null;
if (parent != null)
{
if (useLoc)
{
parentConfig = parent.GetConfig(sectionName, context);
}
else
{
parentConfig = parent.GetConfigOptLocation(sectionName, context, false);
}
}
XmlDocument doc = GetDocumentForSection(sectionName);
if (doc == null || doc.DocumentElement == null)
{
return(parentConfig);
}
return(iconf.Create(parentConfig, fileName, doc.DocumentElement));
}
/// <summary>
/// Reads the specified configuration section from the given <see cref="XmlDocument"/>
/// </summary>
/// <param name="document"></param>
/// <param name="configSectionName"></param>
/// <param name="defaultConfigurationSectionHandlerType"></param>
/// <returns></returns>
public static object GetSectionFromXmlDocument(XmlDocument document, string configSectionName, Type defaultConfigurationSectionHandlerType)
{
Type handlerType = GetSectionHandlerType(document, configSectionName, defaultConfigurationSectionHandlerType);
// obtain Xml node with section content
XmlNode sectionContent = document.SelectSingleNode(string.Format("//{0}/{1}", ConfigurationElement, configSectionName));
if (sectionContent == null)
{
// TODO: review if we shouldn't better simply return null here to match the ConfigurationManager's behaviour?
throw ConfigurationUtils.CreateConfigurationException("Cannot read config section '" + configSectionName + "' - section not found.");
}
// IConfigurationSectionHandler
if (typeof(IConfigurationSectionHandler).IsAssignableFrom(handlerType))
{
IConfigurationSectionHandler handler = (IConfigurationSectionHandler)ObjectUtils.InstantiateType(handlerType);
return(handler.Create(null, null, sectionContent));
}
// NET 2.0 ConfigurationSection
if (typeof(ConfigurationSection).IsAssignableFrom(handlerType))
{
ConfigurationSection section = CreateConfigurationSection(handlerType, new XmlNodeReader(sectionContent));
return(section);
}
// Not supported
throw ConfigurationUtils.CreateConfigurationException("Configuration section '" + configSectionName + "' is neither of type IConfigurationSectionHandler nor ConfigurationSection.");
}
object GetConfigInternal(string sectionName)
{
object handler = GetHandler(sectionName);
IConfigurationSectionHandler iconf = handler as IConfigurationSectionHandler;
if (iconf == null)
{
return(handler);
}
object parentConfig = null;
if (parent != null)
{
parentConfig = parent.GetConfig(sectionName);
}
XmlDocument doc = GetDocumentForSection(sectionName);
if (doc == null || doc.DocumentElement == null)
{
return(parentConfig);
}
return(iconf.Create(parentConfig, fileName, doc.DocumentElement));
}
internal object CreateSection(bool inputIsTrusted, RuntimeConfigurationRecord configRecord,
FactoryRecord factoryRecord, SectionRecord sectionRecord, object parentConfig, ConfigXmlReader reader)
{
object config;
if (_sectionCtor != null)
{
ConfigurationSection configSection =
(ConfigurationSection)_sectionCtor.Invoke(null);
configSection.SectionInformation.SetRuntimeConfigurationInformation(configRecord, factoryRecord,
sectionRecord);
configSection.CallInit();
ConfigurationSection parentSection = (ConfigurationSection)parentConfig;
configSection.Reset(parentSection);
if (reader != null)
{
configSection.DeserializeSection(reader);
}
// throw if there are any cached errors
ConfigurationErrorsException errors = configSection.GetErrors();
if (errors != null)
{
throw errors;
}
// don't allow changes to sections at runtime
configSection.SetReadOnly();
// reset the modified bit
configSection.ResetModified();
config = configSection;
}
else
{
if (reader != null)
{
XmlNode xmlNode = ErrorInfoXmlDocument.CreateSectionXmlNode(reader);
CheckForLockAttributes(factoryRecord.ConfigKey, xmlNode);
// In v1, our old section handler expects a context that contains the virtualPath from the configPath
object configContext = configRecord.Host.CreateDeprecatedConfigContext(configRecord.ConfigPath);
config = _sectionHandler.Create(parentConfig, configContext, xmlNode);
}
else
{
config = null;
}
}
return(config);
}
private object EvaluateRecursive(IConfigurationSectionHandler factory, object config, string [] keys, int iKey, XmlTextReader reader)
{
string name = keys[iKey];
TraceVerbose(" EvaluateRecursive " + iKey + " " + name);
int depth = reader.Depth;
while (reader.Read() && reader.NodeType != XmlNodeType.Element)
{
;
}
while (reader.Depth == depth + 1)
{
TraceVerbose(" EvaluateRecursive " + iKey + " " + name + " Name:" + reader.Name);
if (reader.Name == name)
{
if (iKey < keys.Length - 1)
{
config = EvaluateRecursive(factory, config, keys, iKey + 1, reader);
}
else
{
TraceVerbose(" EvaluateRecursive " + iKey + " calling Create()");
Debug.Assert(iKey == keys.Length - 1);
//
// Call configuration section handler
//
// - try-catch is necessary to insulate config system from exceptions in user config handlers.
// - bubble ConfigurationExceptions & XmlException
// - wrap all others in ConfigurationException
//
int line = reader.LineNumber;
try {
ConfigXmlDocument doc = new ConfigXmlDocument();
doc.LoadSingleElement(_filename, reader);
config = factory.Create(config, null, doc.DocumentElement);
}
catch (ConfigurationException) {
throw;
}
catch (XmlException) {
throw;
}
catch (Exception ex) {
throw new ConfigurationException(
SR.GetString(SR.Exception_in_config_section_handler),
ex, _filename, line);
}
}
continue;
}
StrictSkipToNextElement(reader);
}
return(config);
}
public static T OpenCreate <T>(this IConfigurationSectionHandler <T> configurationLocation)
{
if (!configurationLocation.Exists())
{
return(configurationLocation.Create());
}
return(configurationLocation.Open());
}
///<summary>
///Creates a configuration section.
///</summary>
///
///<returns>
///The created section object.
///</returns>
///
///<param name="parent">Parent object.</param>
///<param name="section">Section XML node.</param>
///<param name="configContext">Configuration context object.</param><filterpriority>2</filterpriority>
public object Create(object parent, object configContext, XmlNode section)
{
if (s_callback != null)
{
return(s_callback(parent, configContext, section));
}
return(baseHandler.Create(parent, configContext, section));
}
public object Create(object parent, object configContext, XmlNode section)
{
Type configReaderBaseType = Type.GetType(((XmlElement)section)?.GetAttribute("configReaderBaseType"));
ValidateBaseType(configReaderBaseType);
BaseConfig = CreateDynamicConfigReader(configReaderBaseType);
return(BaseConfig.Create(parent, configContext, section));
}
private object EvaluateRecursive(IConfigurationSectionHandler factory, object config, string[] keys, int iKey, XmlTextReader reader, object context)
{
string name = keys[iKey];
int depth = reader.Depth;
while (reader.Read() && reader.NodeType != XmlNodeType.Element)
{
;
}
while (reader.Depth == depth + 1)
{
if (reader.Name == name)
{
if (iKey < keys.Length - 1)
{
config = EvaluateRecursive(factory, config, keys, iKey + 1, reader, context);
}
else
{
// Call configuration section handler
int line = reader.LineNumber;
// Try-catch is necessary to protect from exceptions in user config handlers
try
{
ConfigXmlDocument doc = new ConfigXmlDocument();
doc.LoadSingleElement(filename, reader);
config = factory.Create(config, context, doc.DocumentElement);
}
catch (ConfigurationException)
{
// Bubble ConfigurationExceptions
throw;
}
catch (XmlException)
{
// Bubble XmlExceptions
throw;
}
catch (Exception ex)
{
// Wrap all others as ConfigurationExceptions
throw new ConfigurationException("Exception in ConfigSectionHandler", ex, filename, line);
}
}
continue;
}
StrictSkipToNextElement(reader);
}
return(config);
}
object IConfigurationSectionHandler.Create(object parent, object configContext, XmlNode section)
{
XmlDocument document = (XmlDocument)section.ParentNode;
XmlNode fixedNode = document.CreateElement("hibernate-configuration");
section.ParentNode.ReplaceChild(fixedNode, section);
foreach (XmlNode node in section.ChildNodes)
{
fixedNode.AppendChild(section.RemoveChild(node));
}
return(_originalHandler.Create(parent, configContext, fixedNode));
}
/// <summary>
/// Reads a section from the configuration file.
/// </summary>
/// <param name="sectionName">The name of the section in the configuration file.</param>
/// <returns>A deserialized configuration object.</returns>
public static object GetSection(string sectionName)
{
if (!HasConfiguration)
{
return(null);
}
if (string.IsNullOrEmpty(sectionName))
{
return(null);
}
if (Sections.ContainsKey(sectionName))
{
return(Sections[sectionName]);
}
var sectionNode = GetSectionNode(sectionName);
if (sectionNode == null)
{
return(null);
}
Section section = (from s in ConfigSections
where s.Name == sectionName
select s).FirstOrDefault();
if (section == null)
{
return(null);
}
var sectionHandlerType = Type.GetType(section.Type, false, true);
if (sectionHandlerType == null)
{
throw new ConfigurationErrorsException(string.Format(
"Section {0} has an invalid section handler type.",
sectionName));
}
if (!typeof(IConfigurationSectionHandler).IsAssignableFrom(sectionHandlerType))
{
throw new ConfigurationErrorsException(string.Format(
"Type {0} does not implement IConfigurationSectionHandler",
sectionHandlerType.FullName));
}
IConfigurationSectionHandler handler = (IConfigurationSectionHandler)Activator.CreateInstance(sectionHandlerType);
var conf = handler.Create(null, null, sectionNode);
Sections[sectionName] = conf;
return(conf);
}
private static StatsSettings GetSettings(string filename)
{
try
{
var filepath = filename;
if (!Path.IsPathRooted(filename))
{
Assembly ass = Assembly.GetCallingAssembly();
filepath = Path.Combine(Path.GetDirectoryName(ass.Location), filename);
}
if (!File.Exists(filepath))
{
return(null);
}
var fileMap = new ExeConfigurationFileMap {
ExeConfigFilename = filepath
};
var configuration = ConfigurationManager.OpenMappedExeConfiguration(fileMap, ConfigurationUserLevel.None);
ConfigurationSection section = section = configuration.GetSection("StatsSettings");
if (section == null)
{
return(null);
}
string xml = section.SectionInformation.GetRawXml();
Type type = Type.GetType(section.SectionInformation.Type);
if (typeof(IConfigurationSectionHandler).IsAssignableFrom(type))
{
XmlDocument doc = new XmlDocument();
doc.Load(XmlReader.Create(new StringReader(xml)));
IConfigurationSectionHandler configSectionHandlerHandle = Activator.CreateInstance(type) as IConfigurationSectionHandler;
if (configSectionHandlerHandle != null)
{
return(configSectionHandlerHandle.Create(null, null, doc) as StatsSettings);
}
}
}
catch { }
return(null);
}
/// <summary>
/// Create the concrete object using the information found in the specified section name. Mimicks the IConfigurationSectionHandler.Create method.
/// </summary>
/// <param name="sectionName">Name of the section.</param>
/// <returns>object which should cast to the correct type</returns>
public object Create(string sectionName)
{
XmlNode xn = this.GetSectionMetaData(sectionName);
if (null == xn)
{
throw new ApplicationException(string.Format("The file {0} did not contain the section '{1}'", this._path, sectionName));
}
XmlElement root = (XmlElement)xn;
string name = string.Empty;
string type = string.Empty;
string currentXpath = "name";
//this name should always be the same as the SectionName, but this makes sure I guess. You can comment it out if you'd like.
name = root.Attributes[currentXpath].Value;
currentXpath = "type";
type = root.Attributes[currentXpath].Value;
//create an array, with the ";" delimiter
string[] typeValues = type.Split(',');
if (null == typeValues || typeValues.Length != 2)
{
throw new ApplicationException(string.Format("The type attibute should contain 2 items seperated by a comma. The invalid value is {0}.", type));
}
string assemblyName = typeValues[1];
string className = typeValues[0];
IConfigurationSectionHandler icsh = this.CreateHandler(className, assemblyName);
XmlNode sectionNode = this.GetSection(name);
object returnObject = icsh.Create(this, this, sectionNode);
return(returnObject);
}
/// <summary>
/// Gets the config.
/// </summary>
/// <param name="sectionName">Name of the section.</param>
/// <param name="configFileName">Name of the config file.</param>
/// <returns></returns>
/// <remarks></remarks>
public static object GetConfig(string sectionName, string configFileName)
{
var xmlDoc = new XmlDocument();
xmlDoc.Load(configFileName);
IConfigurationSectionHandler handler = GetHandler(sectionName, xmlDoc);
object config = null;
if (sectionName == APPSETTINGS_SECTION_NAME)
{
config = GetAppSettingsFileHandler(sectionName, handler, xmlDoc);
}
else
{
XmlNode node = xmlDoc.SelectSingleNode("//" + sectionName);
config = handler.Create(null, null, node);
}
return(config);
}
/// <summary>
/// Get the specified section
/// </summary>
/// <param name="contextName"></param>
/// <param name="parent"></param>
/// <param name="sectionName"></param>
/// <returns></returns>
public object GetSection(string contextName, object parent, string sectionName)
{
EnsureInit();
ConfigurationSection thisSection = _configuration.GetSection(sectionName);
//object parent = null;
if (_next != null)
{
parent = _next.GetSection(sectionName);
}
if (thisSection == null)
{
return(parent);
}
object result = resolveSectionRuntimeObject(thisSection);
if (result is DefaultSection)
{
string rawXml = thisSection.SectionInformation.GetRawXml();
if (string.IsNullOrEmpty(rawXml))
{
return(null);
}
Type t = TypeResolutionUtils.ResolveType(thisSection.SectionInformation.Type);
//ContextHandler ch = new ContextHandler();
if (typeof(IConfigurationSectionHandler).IsAssignableFrom(t))
{
XmlDocument xmlDoc = new XmlDocument();
xmlDoc.LoadXml(thisSection.SectionInformation.GetRawXml());
IConfigurationSectionHandler handler = (IConfigurationSectionHandler)Activator.CreateInstance(t);
return(handler.Create(parent, null, SetContextName(contextName, xmlDoc.DocumentElement)));
}
throw new ConfigurationErrorsException(string.Format(" <section>配置节点没有声明'{0}'", sectionName));
}
return(result);
}
private object EvaluateRecursive(IConfigurationSectionHandler factory, object config, string [] keys, int iKey, XmlTextReader reader) {
string name = keys[iKey];
TraceVerbose(" EvaluateRecursive " + iKey + " " + name);
int depth = reader.Depth;
while (reader.Read() && reader.NodeType != XmlNodeType.Element);
while (reader.Depth == depth + 1) {
TraceVerbose(" EvaluateRecursive " + iKey + " " + name + " Name:" + reader.Name);
if (reader.Name == name) {
if (iKey < keys.Length - 1) {
config = EvaluateRecursive(factory, config, keys, iKey + 1, reader);
}
else {
TraceVerbose(" EvaluateRecursive " + iKey + " calling Create()");
Debug.Assert(iKey == keys.Length - 1);
//
// Call configuration section handler
//
// - try-catch is necessary to insulate config system from exceptions in user config handlers.
// - bubble ConfigurationExceptions & XmlException
// - wrap all others in ConfigurationException
//
int line = reader.LineNumber;
try {
ConfigXmlDocument doc = new ConfigXmlDocument();
doc.LoadSingleElement(_filename, reader);
config = factory.Create(config, null, doc.DocumentElement);
}
catch (ConfigurationException) {
throw;
}
catch (XmlException) {
throw;
}
catch (Exception ex) {
throw new ConfigurationException(
SR.GetString(SR.Exception_in_config_section_handler),
ex, _filename, line);
}
}
continue;
}
StrictSkipToNextElement(reader);
}
return config;
}
protected static object GetAppSettingsFileHandler(string sectionName, IConfigurationSectionHandler parentHandler, XmlDocument xmlDoc)
{
object handler = null;
XmlNode node = xmlDoc.SelectSingleNode("//" + sectionName);
XmlAttribute att = (XmlAttribute)node.Attributes.RemoveNamedItem("file");
if (att == null || att.Value == null || att.Value.Length == 0)
{
return parentHandler.Create(null, null, node);
}
else
{
string fileName = att.Value;
string dir = Path.GetDirectoryName(fileName);
string fullName = Path.Combine(dir, fileName);
XmlDocument xmlDoc2 = new XmlDocument();
xmlDoc2.Load(fullName);
object parent = parentHandler.Create(null, null, node);
IConfigurationSectionHandler h = new NameValueSectionHandler();
handler = h.Create(parent, null, xmlDoc2.DocumentElement);
}
return handler;
}
private object EvaluateRecursive(IConfigurationSectionHandler sectionHandler, object config, string[] keys, int keyIndex, XmlTextReader reader)
{
string name = keys[keyIndex];
int depth = reader.Depth;
while (reader.Read() && reader.NodeType != XmlNodeType.Element)
{
;
}
while (reader.Depth == depth + 1)
{
if (reader.Name == name)
{
if (keyIndex < keys.Length - 1)
{
config = EvaluateRecursive(sectionHandler, config, keys, keyIndex + 1, reader);
}
else
{
XmlDocument doc = new XmlDocument();
XmlNode section = doc.ReadNode(reader);
config = sectionHandler.Create(config, null, section);
}
continue;
}
SkipToNextElement(reader);
}
return config;
}
// Get the object for a specific configuration key and handler.
public Object GetConfig
(String configKey, IConfigurationSectionHandler handler)
{
#if SECOND_PASS
// Bail out if the configuration key is invalid.
if(configKey == null || configKey.Length == 0)
{
return null;
}
// See if we have cached information from last time.
if(cachedInfo.Contains(configKey))
{
return cachedInfo[configKey];
}
// Get the section handler, if necessary.
if(handler == null)
{
Object schema = sectionSchema[configKey];
if(schema == null)
{
// We don't know how to handle the section.
cachedInfo[configKey] = null;
return null;
}
else if(schema == groupMarker)
{
// This section is a group.
cachedInfo[configKey] = null;
return null;
}
else
{
// Create an instance of the specified handler.
Type handlerType = Type.GetType((String)schema);
if(handlerType == null)
{
cachedInfo[configKey] = null;
return null;
}
handler = Activator.CreateInstance(handlerType)
as IConfigurationSectionHandler;
if(handler == null)
{
cachedInfo[configKey] = null;
return null;
}
}
}
// Scan all documents, and collect up the data.
Object data = null;
int posn;
XmlNode section;
for(posn = 0; posn < numDocuments; ++posn)
{
section = FindSectionByName
(documents[posn].DocumentElement, configKey);
if(section != null)
{
data = handler.Create(data, null, section);
}
}
// Cache the data for next time and then return it.
cachedInfo[configKey] = data;
return data;
#else
// Configuration data is not available, so bail out.
return null;
#endif
}
// Get the object for a specific configuration key and handler.
public Object GetConfig
(String configKey, IConfigurationSectionHandler handler)
{
#if SECOND_PASS
// Bail out if the configuration key is invalid.
if (configKey == null || configKey.Length == 0)
{
return(null);
}
// See if we have cached information from last time.
if (cachedInfo.Contains(configKey))
{
return(cachedInfo[configKey]);
}
// Get the section handler, if necessary.
if (handler == null)
{
Object schema = sectionSchema[configKey];
if (schema == null)
{
// We don't know how to handle the section.
cachedInfo[configKey] = null;
return(null);
}
else if (schema == groupMarker)
{
// This section is a group.
cachedInfo[configKey] = null;
return(null);
}
else
{
// Create an instance of the specified handler.
Type handlerType = Type.GetType((String)schema);
if (handlerType == null)
{
cachedInfo[configKey] = null;
return(null);
}
handler = Activator.CreateInstance(handlerType)
as IConfigurationSectionHandler;
if (handler == null)
{
cachedInfo[configKey] = null;
return(null);
}
}
}
// Scan all documents, and collect up the data.
Object data = null;
int posn;
XmlNode section;
for (posn = 0; posn < numDocuments; ++posn)
{
section = FindSectionByName
(documents[posn].DocumentElement, configKey);
if (section != null)
{
data = handler.Create(data, null, section);
}
}
// Cache the data for next time and then return it.
cachedInfo[configKey] = data;
return(data);
#else
// Configuration data is not available, so bail out.
return(null);
#endif
}
private object EvaluateRecursive(IConfigurationSectionHandler factory, object config, string[] keys, int iKey, XmlTextReader reader)
{
string name = keys[iKey];
int depth = reader.Depth;
while(reader.Read() && reader.NodeType != XmlNodeType.Element);
while (reader.Depth == depth + 1)
{
if (reader.Name == name)
{
if (iKey < keys.Length - 1)
{
config = EvaluateRecursive(factory, config, keys, iKey + 1, reader);
}
else
{
// Call configuration section handler
int line = reader.LineNumber;
// Try-catch is necessary to protect from exceptions in user config handlers
try
{
ConfigXmlDocument doc = new ConfigXmlDocument();
doc.LoadSingleElement(filename, reader);
config = factory.Create(config, null, doc.DocumentElement);
}
catch(ConfigurationException)
{
// Bubble ConfigurationExceptions
throw;
}
catch (XmlException)
{
// Bubble XmlExceptions
throw;
}
catch(Exception ex)
{
// Wrap all others as ConfigurationExceptions
throw new ConfigurationException("Exception in ConfigSectionHandler", ex, filename, line);
}
}
continue;
}
StrictSkipToNextElement(reader);
}
return config;
}
