public static SectionHandler Deserialize(string configurationFile, string configurationSection)
{
if (string.IsNullOrWhiteSpace(configurationSection))
{
configurationSection = "autofac";
}
configurationFile = SectionHandler.NormalizeConfigurationFilePath(configurationFile);
ExeConfigurationFileMap exeConfigurationFileMap = new ExeConfigurationFileMap();
exeConfigurationFileMap.ExeConfigFilename = configurationFile;
System.Configuration.Configuration configuration = null;
try
{
configuration = ConfigurationManager.OpenMappedExeConfiguration(exeConfigurationFileMap, ConfigurationUserLevel.None);
}
catch (ConfigurationErrorsException)
{
using (XmlTextReader xmlTextReader = new XmlTextReader(File.OpenRead(configurationFile)))
{
SectionHandler result = SectionHandler.Deserialize(xmlTextReader);
return(result);
}
}
SectionHandler sectionHandler = (SectionHandler)configuration.GetSection(configurationSection);
if (sectionHandler == null)
{
throw new ConfigurationErrorsException(string.Format(CultureInfo.CurrentCulture, ConfigurationSettingsReaderResources.SectionNotFound, new object[]
{
configurationSection
}));
}
return(sectionHandler);
}
/// <summary>
/// Initializes a new instance of the <see cref="XmlFileReader"/> class
/// using a specified XML configuration file.
/// </summary>
/// <param name="fileName">
/// The name of the configuration file containing XML that can deserialize into a <see cref="Autofac.Configuration.SectionHandler"/>.
/// </param>
/// <exception cref="System.ArgumentNullException">
/// Thrown if <paramref name="fileName" /> is <see langword="null" />.
/// </exception>
/// <exception cref="System.ArgumentException">
/// Thrown if <paramref name="fileName" /> is empty.
/// </exception>
/// <remarks>
/// <para>
/// Relative paths may be specified in relation to the current application folder (where you would normally
/// find <c>app.config</c> or <c>web.config</c>).
/// </para>
/// </remarks>
public XmlFileReader(string fileName)
{
if (fileName == null)
{
throw new ArgumentNullException("fileName");
}
if (fileName.Length == 0)
{
throw new ArgumentException(String.Format(CultureInfo.CurrentCulture, ConfigurationSettingsReaderResources.ArgumentMayNotBeEmpty, "fileName"), "fileName");
}
this.SectionHandler = SectionHandler.Deserialize(fileName);
}
/// <summary>
/// Registers referenced configuration files into a container builder.
/// </summary>
/// <param name="builder">
/// The <see cref="Autofac.ContainerBuilder"/> that should receive the configured registrations.
/// </param>
/// <param name="configurationSection">
/// The <see cref="Autofac.Configuration.SectionHandler"/> containing the configured registrations.
/// </param>
/// <exception cref="System.ArgumentNullException">
/// Thrown if <paramref name="builder"/> or <paramref name="configurationSection"/> is <see langword="null"/>.
/// </exception>
/// <exception cref="System.Configuration.ConfigurationErrorsException">
/// Thrown if there is any issue in processing the referenced files into registrations.
/// </exception>
/// <remarks>
/// <para>
/// This is where external files referenced in configuration get recursively loaded and added to the <paramref name="builder" />.
/// The <see cref="Autofac.Configuration.SectionHandler.Files"/> collection from the <paramref name="configurationSection" />
/// get processed into individual <see cref="Autofac.Configuration.SectionHandler"/> instances, each of which get
/// registered with the <paramref name="builder" />.
/// </para>
/// </remarks>
protected virtual void RegisterReferencedFiles(ContainerBuilder builder, SectionHandler configurationSection)
{
if (builder == null)
{
throw new ArgumentNullException("builder");
}
if (configurationSection == null)
{
throw new ArgumentNullException("configurationSection");
}
foreach (FileElement file in configurationSection.Files)
{
var handler = SectionHandler.Deserialize(file.Name, file.Section);
this.RegisterConfigurationSection(builder, handler);
}
}
public static SectionHandler Deserialize(string configurationFile, string configurationSection)
{
if (String.IsNullOrWhiteSpace(configurationSection))
{
configurationSection = SectionHandler.DefaultSectionName;
}
// Normalizing the configuration file path also checks for null/empty.
configurationFile = NormalizeConfigurationFilePath(configurationFile);
var map = new ExeConfigurationFileMap();
map.ExeConfigFilename = configurationFile;
System.Configuration.Configuration configuration = null;
try
{
configuration = ConfigurationManager.OpenMappedExeConfiguration(map, ConfigurationUserLevel.None);
}
catch (ConfigurationErrorsException)
{
// We have to fall back to "non-config XML file" like this to maintain some backwards-compatibility
// with previous configuration mechanisms. The original way was "the file is a config file and we
// can optionally pass a configuration section name." Thus, if there is no config section name passed,
// we have to assume the old behavior and, failing that, try the new behavior.
using (var reader = new XmlTextReader(File.OpenRead(configurationFile)))
{
return(SectionHandler.Deserialize(reader));
}
}
var handler = (SectionHandler)configuration.GetSection(configurationSection);
if (handler == null)
{
throw new ConfigurationErrorsException(String.Format(CultureInfo.CurrentCulture, ConfigurationSettingsReaderResources.SectionNotFound, configurationSection));
}
return(handler);
}
public ConfigurationSettingsReader(string sectionName, string configurationFile)
{
base.SectionHandler = SectionHandler.Deserialize(configurationFile, sectionName);
}
public static SectionHandler Deserialize(string configurationFile)
{
return(SectionHandler.Deserialize(configurationFile, null));
}