public ConfigurationSection GetSection(string sectionName)
{
var sections = new List <ConfigurationSection>();
// Read section from custom configuration files.
ConfigurationSection emptySection = null;
ConfigurationSection section;
foreach (string fileName in FileNames) // The order of files should be from most Important to lower
{
section = GetFileSection(fileName, sectionName);
// Filter out non-present in file sections (IsPresent == false).
if (section != null)
{
if (IsSectionPresentInConfigFile(section))
{
sections.Add(section);
}
// Do not add non present DefaultSections, they will be bank - so no handler processing occurred.
// Also this could prevent from returning Default system section. (as with section "system.web/browserCaps" under web)
else if (!(section is DefaultSection) && section.SectionInformation.IsDeclared)
{
emptySection = section; // declared but not present section - should be used if nothing else found.
}
}
}
// Read Section form Configuration Manager.
section = GetDefaultSection(sectionName);
if (section != null) // Add not presented sections too, because of non required sections should be returned.
{
sections.Add(section);
}
if (emptySection != null)
{
sections.Add(emptySection);
}
// Merge collected sections.
if (sections.Count > 1)
{
NSectionMerger merger = MergerRegistry.GetMerger(sections[0].GetType());
return(merger.Merge(sections));
}
if (sections.Count == 1)
{
return(sections[0]);
}
return(null);
}
public ConfigurationSection GetSection(string sectionName)
{
var sections = new List <ConfigurationSection>();
// Read section from custom configuration files.
ConfigurationSection emptySection = null;
ConfigurationSection section;
foreach (string fileName in FileNames) // The order of files should be from most Important to lower
{
section = GetFileSection(fileName, sectionName);
// Filter out non-required sections (IsPresent == false) but leave DefaultSections, since them could represent IConfigurationSectionHandler sections.
if (section != null)
{
if (section.ElementInformation.IsPresent || section is DefaultSection)
{
sections.Add(section);
}
else
{
emptySection = section; // declared but not present section - should be used if nothing else found.
}
}
}
// Read Section form Configuration Manager.
section = GetDefaultSection(sectionName);
if (section != null) // Add not presented sections too, because of non required sections should be returned.
{
sections.Add(section);
}
if (emptySection != null)
{
sections.Add(emptySection);
}
// Merge collected sections.
if (sections.Count > 1)
{
NSectionMerger merger = MergerRegistry.GetMerger(sections[0].GetType());
return(merger.Merge(sections));
}
if (sections.Count == 1)
{
return(sections[0]);
}
return(null);
}
public void AddMerger(Type sectionType, NSectionMerger merger)
{
registry.Add(sectionType, merger);
}
public ConfigurationSection GetSection(string sectionName)
{
var sections = new List <ConfigurationSection>();
/*
* Azure overrides appsettings/connectionstrings which are configured in the portal on first load of the web.config
* But if we re-configure those settings in a {hostname}.custom.config then the ordering is incorrect.
*
* To fix this we can extract those portal-configured settings from the environment vars by their
* prefix and add these to the initial section (which has the highest priority when merging config sections
* back to one section
*/
if (sectionName.Equals("AppSettings", StringComparison.OrdinalIgnoreCase))
{
var settings = GetAzureEnvironmentVariables(@"APPSETTING_");
var environmentVarSection = new AppSettingsSection();
foreach (var kv in settings)
{
environmentVarSection.Settings.Add(kv.Key, kv.Value);
}
sections.Add(environmentVarSection);
}
else if (sectionName.Equals("ConnectionStrings", StringComparison.OrdinalIgnoreCase))
{
var connections = connectionStringTypeProviderNames
.SelectMany(typeKeyVal => GetAzureEnvironmentVariables(typeKeyVal.Key)
.Select(envVar => new ConnectionStringSettings(envVar.Key, envVar.Value, typeKeyVal.Value)));
var environmentVarSection = new ConnectionStringsSection();
foreach (var connection in connections)
{
environmentVarSection.ConnectionStrings.Add(connection);
}
sections.Add(environmentVarSection);
}
// Read section from custom configuration files.
ConfigurationSection emptySection = null;
ConfigurationSection section;
foreach (string fileName in FileNames) // The order of files should be from most Important to lower
{
section = GetFileSection(fileName, sectionName);
// Filter out non-present in file sections (IsPresent == false).
if (section != null)
{
if (IsSectionPresentInConfigFile(section))
{
sections.Add(section);
}
// Do not add non present DefaultSections, they will be bank - so no handler processing occurred.
// Also this could prevent from returning Default system section. (as with section "system.web/browserCaps" under web)
else if (!(section is DefaultSection) && section.SectionInformation.IsDeclared)
{
emptySection = section; // declared but not present section - should be used if nothing else found.
}
}
}
// Read Section form Configuration Manager.
section = GetDefaultSection(sectionName);
if (section != null) // Add not presented sections too, because of non required sections should be returned.
{
sections.Add(section);
}
if (emptySection != null)
{
sections.Add(emptySection);
}
// Merge collected sections.
if (sections.Count > 1)
{
NSectionMerger merger = MergerRegistry.GetMerger(sections[0].GetType());
return(merger.Merge(sections));
}
if (sections.Count == 1)
{
return(sections[0]);
}
return(null);
}
public void AddMerger(Type sectionType, NSectionMerger merger)
{
registry[sectionType] = merger;
}
public void AddMerger(Type sectionType, NSectionMerger merger)
{
registry[sectionType] = merger;
}
/// <summary>
/// Registers the section merger for specified section type.
/// </summary>
/// <typeparam name="TSectionType">The type of the section.</typeparam>
/// <param name="merger">The section merger instance.</param>
public static void RegisterSectionMerger <TSectionType>(NSectionMerger merger)
{
RegisterSectionMerger(typeof(TSectionType), merger);
}
/// <summary>
/// Registers the section merger for specified section type.
/// </summary>
/// <typeparam name="TSectionType">The type of the section.</typeparam>
/// <param name="merger">The section merger instance.</param>
public static void RegisterSectionMerger <TSectionType>(NSectionMerger <TSectionType> merger) where TSectionType : ConfigurationSection
{
RegisterSectionMerger(typeof(TSectionType), merger);
}
/// <summary>
/// Registers the section merger for specified section type.
/// </summary>
/// <param name="sectionType">Type of the section.</param>
/// <param name="merger">The section merger instance.</param>
public static void RegisterSectionMerger(Type sectionType, NSectionMerger merger)
{
MergerRegistry.AddMerger(sectionType, merger);
}
