/// <summary>
/// Initializes a new instance of the <see cref="ConfigurationSettingsReader"/> class.
/// </summary>
/// <param name="sectionName">Name of the configuration section.</param>
/// <param name="configurationFile">The configuration file.</param>
public ConfigurationSettingsReader(string sectionName, string configurationFile)
{
if (sectionName == null)
{
throw new ArgumentNullException("sectionName");
}
if (configurationFile == null)
{
throw new ArgumentNullException("configurationFile");
}
if (!Path.IsPathRooted(configurationFile))
{
configurationFile = Path.Combine(_configurationDirectory, configurationFile);
}
ExeConfigurationFileMap map = new ExeConfigurationFileMap();
map.ExeConfigFilename = configurationFile;
var configuration = ConfigurationManager.OpenMappedExeConfiguration(map, ConfigurationUserLevel.None);
_sectionHandler = (SectionHandler)configuration.GetSection(sectionName);
if (_sectionHandler == null)
{
throw new ArgumentException(string.Format(CultureInfo.CurrentCulture,
ConfigurationSettingsReaderResources.SectionNotFound, sectionName));
}
}
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>
/// Registers individual configured modules 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 parsing the module configuration into registrations.
/// </exception>
/// <remarks>
/// <para>
/// This is where the individually configured component registrations get added to the <paramref name="builder" />.
/// The <see cref="Autofac.Configuration.SectionHandler.Modules"/> collection from the <paramref name="configurationSection" />
/// get processed into individual modules which are instantiated and activated inside the <paramref name="builder" />.
/// </para>
/// </remarks>
protected virtual void RegisterConfiguredModules(ContainerBuilder builder, SectionHandler configurationSection)
{
if (builder == null)
{
throw new ArgumentNullException("builder");
}
if (configurationSection == null)
{
throw new ArgumentNullException("configurationSection");
}
foreach (ModuleElement moduleElement in configurationSection.Modules)
{
var moduleType = this.LoadType(moduleElement.Type, configurationSection.DefaultAssembly);
IModule module = null;
using (var moduleActivator = new ReflectionActivator(
moduleType,
new DefaultConstructorFinder(),
new MostParametersConstructorSelector(),
moduleElement.Parameters.ToParameters(),
moduleElement.Properties.ToParameters()))
{
module = (IModule)moduleActivator.ActivateInstance(new ContainerBuilder().Build(), Enumerable.Empty <Parameter>());
}
builder.RegisterModule(module);
}
}
/// <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>
/// Initializes a new instance of the <see cref="ConfigurationSettingsReader"/> class.
/// </summary>
/// <param name="sectionName">Name of the configuration section.</param>
public ConfigurationSettingsReader(string sectionName)
{
Enforce.ArgumentNotNull(sectionName, "sectionName");
_sectionHandler = (SectionHandler)ConfigurationManager.GetSection(sectionName);
if (_sectionHandler == null)
{
throw new ArgumentException(string.Format(CultureInfo.CurrentCulture,
ConfigurationSettingsReaderResources.SectionNotFound, sectionName));
}
}
public virtual void RegisterConfigurationSection(ContainerBuilder builder, SectionHandler configurationSection)
{
if (builder == null)
{
throw new ArgumentNullException("builder");
}
if (configurationSection == null)
{
throw new ArgumentNullException("configurationSection");
}
this.RegisterConfiguredModules(builder, configurationSection);
this.RegisterConfiguredComponents(builder, configurationSection);
this.RegisterReferencedFiles(builder, configurationSection);
}
/// <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(XmlReader reader)
{
if (reader == null)
{
throw new ArgumentNullException("reader");
}
reader.MoveToContent();
if (reader.EOF)
{
throw new ConfigurationErrorsException(ConfigurationSettingsReaderResources.NoXmlInConfiguration);
}
SectionHandler sectionHandler = new SectionHandler();
sectionHandler.DeserializeElement(reader, false);
return(sectionHandler);
}
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);
}
/// <summary>
/// Registers individual configured components 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 parsing the component configuration into registrations.
/// </exception>
/// <remarks>
/// <para>
/// This is where the individually configured component registrations get added to the <paramref name="builder" />.
/// The <see cref="Autofac.Configuration.SectionHandler.Components"/> collection from the <paramref name="configurationSection" />
/// get processed into individual registrations with associated lifetime scope, name, etc.
/// </para>
/// <para>
/// You may influence the process by overriding this whole method or by overriding these individual
/// parsing subroutines:
/// </para>
/// <list type="bullet">
/// <item>
/// <term><see cref="Autofac.Configuration.ConfigurationRegistrar.SetLifetimeScope"/></term>
/// </item>
/// <item>
/// <term><see cref="Autofac.Configuration.ConfigurationRegistrar.SetComponentOwnership"/></term>
/// </item>
/// <item>
/// <term><see cref="Autofac.Configuration.ConfigurationRegistrar.SetInjectProperties"/></term>
/// </item>
/// </list>
/// </remarks>
protected virtual void RegisterConfiguredComponents(ContainerBuilder builder, SectionHandler configurationSection)
{
if (builder == null)
{
throw new ArgumentNullException("builder");
}
if (configurationSection == null)
{
throw new ArgumentNullException("configurationSection");
}
foreach (ComponentElement component in configurationSection.Components)
{
var registrar = builder.RegisterType(LoadType(component.Type, configurationSection.DefaultAssembly));
var services = this.EnumerateComponentServices(component, configurationSection.DefaultAssembly);
foreach (var service in services)
{
registrar.As(service);
}
foreach (var param in component.Parameters.ToParameters())
{
registrar.WithParameter(param);
}
foreach (var prop in component.Properties.ToParameters())
{
registrar.WithProperty(prop);
}
foreach (var ep in component.Metadata)
{
registrar.WithMetadata(ep.Name, TypeManipulation.ChangeToCompatibleType(ep.Value, Type.GetType(ep.Type), null));
}
if (!string.IsNullOrEmpty(component.MemberOf))
{
registrar.MemberOf(component.MemberOf);
}
this.SetLifetimeScope(registrar, component.InstanceScope);
this.SetComponentOwnership(registrar, component.Ownership);
this.SetInjectProperties(registrar, component.InjectProperties);
}
}
/// <summary>
/// Deserializes a configuration section handler from a specific block of XML.
/// </summary>
/// <param name="reader">
/// The <see cref="System.Xml.XmlReader"/> used to read the XML configuration from the source.
/// </param>
/// <returns>
/// A read/parsed <see cref="SectionHandler"/> based on the contents of the <paramref name="reader"/>.
/// </returns>
/// <exception cref="System.ArgumentNullException">
/// Thrown if <paramref name="reader"/> is <see langword="null"/>.
/// </exception>
/// <exception cref="System.Configuration.ConfigurationErrorsException">
/// Thrown if <paramref name="reader"/> does not contain XML configuration that can be parsed into
/// a <see cref="SectionHandler"/>.
/// </exception>
public static SectionHandler Deserialize(XmlReader reader)
{
if (reader == null)
{
throw new ArgumentNullException("reader");
}
reader.MoveToContent();
if (reader.EOF)
{
throw new ConfigurationErrorsException(ConfigurationSettingsReaderResources.NoXmlInConfiguration);
}
var handler = new SectionHandler();
handler.DeserializeElement(reader, false);
return handler;
}
public static SectionHandler Deserialize(string configurationFile)
{
return(SectionHandler.Deserialize(configurationFile, null));
}
protected virtual void RegisterConfiguredComponents(ContainerBuilder builder, SectionHandler configurationSection)
{
if (builder == null)
{
throw new ArgumentNullException("builder");
}
if (configurationSection == null)
{
throw new ArgumentNullException("configurationSection");
}
foreach (ComponentElement current in configurationSection.Components)
{
IRegistrationBuilder <object, ConcreteReflectionActivatorData, SingleRegistrationStyle> registrationBuilder = RegistrationExtensions.RegisterType(builder, this.LoadType(current.Type, configurationSection.DefaultAssembly));
IEnumerable <Service> enumerable = this.EnumerateComponentServices(current, configurationSection.DefaultAssembly);
foreach (Service current2 in enumerable)
{
registrationBuilder.As(new Service[]
{
current2
});
}
foreach (Parameter current3 in current.Parameters.ToParameters())
{
RegistrationExtensions.WithParameter <object, ConcreteReflectionActivatorData, SingleRegistrationStyle>(registrationBuilder, current3);
}
foreach (Parameter current4 in current.Properties.ToParameters())
{
RegistrationExtensions.WithProperty <object, ConcreteReflectionActivatorData, SingleRegistrationStyle>(registrationBuilder, current4);
}
foreach (MetadataElement current5 in current.Metadata)
{
registrationBuilder.WithMetadata(current5.Name, TypeManipulation.ChangeToCompatibleType(current5.Value, Type.GetType(current5.Type), null));
}
if (!string.IsNullOrEmpty(current.MemberOf))
{
MemberOf <object, ConcreteReflectionActivatorData, SingleRegistrationStyle>(registrationBuilder, current.MemberOf);
}
this.SetLifetimeScope <ConcreteReflectionActivatorData, SingleRegistrationStyle>(registrationBuilder, current.InstanceScope);
this.SetComponentOwnership <ConcreteReflectionActivatorData, SingleRegistrationStyle>(registrationBuilder, current.Ownership);
this.SetInjectProperties <ConcreteReflectionActivatorData, SingleRegistrationStyle>(registrationBuilder, current.InjectProperties);
this.SetAutoActivate <ConcreteReflectionActivatorData, SingleRegistrationStyle>(registrationBuilder, current.AutoActivate);
}
}
