/// <summary>
/// Creates a new configuration sources based on the configuration information from the application's default
/// configuration file.
/// </summary>
/// <param name="name">The name for the desired configuration source.</param>
/// <returns>The new configuration source instance described in the configuration file.</returns>
/// <exception cref="ConfigurationErrorsException">when no configuration information is found for name <paramref name="name"/>.</exception>
/// <exception cref="ArgumentNullException">when <paramref name="name"/> is null or empty.</exception>
public static IConfigurationSource Create(string name)
{
if (string.IsNullOrEmpty(name))
{
throw new ArgumentNullException("name");
}
ConfigurationSourceSection configurationSourceSection
= ConfigurationSourceSection.GetConfigurationSourceSection();
if (configurationSourceSection == null)
{
throw new ConfigurationErrorsException(Resources.ExceptionConfigurationSourceSectionNotFound);
}
ConfigurationSourceElement objectConfiguration
= configurationSourceSection.Sources.Get(name);
if (objectConfiguration == null)
{
throw new ConfigurationErrorsException(
string.Format(
CultureInfo.CurrentCulture,
Resources.ExceptionNamedConfigurationNotFound,
name,
"ConfigurationSourceFactory"));
}
IConfigurationSource source = objectConfiguration.CreateSource();
return(source);
}
private static string GetParentConfigurationSourceName(IConfigurationSource source)
{
ConfigurationSourceSection configurationSourcesSection = source.GetSection(ConfigurationSourceSection.SectionName) as ConfigurationSourceSection;
if (configurationSourcesSection != null && !string.IsNullOrEmpty(configurationSourcesSection.ParentSource))
{
return(configurationSourcesSection.ParentSource);
}
return(null);
}
private Dictionary <string, string> GetSectionRedirectTable()
{
ConfigurationSourceSection sourcesSection = mainConfigurationSource.GetSection(ConfigurationSourceSection.SectionName) as ConfigurationSourceSection;
if (sourcesSection != null)
{
return(sourcesSection.RedirectedSections.ToDictionary(x => x.Name, x => x.SourceName));
}
return(new Dictionary <string, string>());
}
/// <summary>
/// Creates a new configuration sources based on the default configuration information from the
/// application's default configuration file.
/// </summary>
/// <returns>The new configuration source instance described as the default in the configuration file,
/// or a new instance of <see cref="SystemConfigurationSource"/> if the is no configuration sources configuration.</returns>
/// <exception cref="ConfigurationSourceSection">when there is a configuration section but it does not define
/// a default configurtion source, or when the configuration for the defined default configuration source is not found.</exception>
public static IConfigurationSource Create()
{
ConfigurationSourceSection configurationSourceSection
= ConfigurationSourceSection.GetConfigurationSourceSection();
if (configurationSourceSection != null)
{
string systemSourceName = configurationSourceSection.SelectedSource;
if (!string.IsNullOrEmpty(systemSourceName))
{
return(Create(systemSourceName));
}
else
{
throw new ConfigurationErrorsException(Resources.ExceptionSystemSourceNotDefined);
}
}
return(new SystemConfigurationSource());
}
private IConfigurationSource CreateSubordinateSource(string sourceName, bool throwWhenNotFound)
{
EnsureInitialized();
ConfigurationSourceSection configurationSourcesSection = configurationSource.GetSection(ConfigurationSourceSection.SectionName) as ConfigurationSourceSection;
if (configurationSourcesSection == null)
{
return(null);
}
else
{
var configurationSourceElement = configurationSourcesSection.Sources
.Where(x => x.Name == sourceName)
.FirstOrDefault();
if (configurationSourceElement == null)
{
if (throwWhenNotFound)
{
string message = string.Format(CultureInfo.CurrentCulture,
Resources.ExceptionConfigurationSourceNotFound,
sourceName,
ConfigurationSourceSection.SectionName);
throw new ConfigurationSourceErrorsException(message);
}
else
{
return(null);
}
}
IConfigurationSource source = configurationSourceElement.CreateSource();
SubordinateSource sourceHolder = new SubordinateSource(this, sourceName, source);
subordinateSourcesByName[sourceName] = sourceHolder;
return(source);
}
}
