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//------------------------------------------------------------------------------
// <copyright file="SiteMapSection.cs" company="Microsoft">
// Copyright (c) Microsoft Corporation. All rights reserved.
// </copyright>
//------------------------------------------------------------------------------
namespace System.Web.Configuration {
using System;
using System.Xml;
using System.Configuration;
using System.Collections.Specialized;
using System.Collections;
using System.IO;
using System.Text;
using System.Security.Permissions;
/* <!-- Configuration for siteMap:
Attributes:
defaultProvider="string" Name of provider to use by default
enabled="[true|false]" Determine if the feature is enabled.
<providers> Providers (class must inherit from SiteMapProvider)
<add Add a provider
name="string" Required string by which the SiteMap class identifies this provider
type="string" Required string which represents the type to instantiate: type must inherit from SiteMapProvider
securityTrimmingEnabled="[true|false]" Determine if security trimming is enabled. (default is false)
provider-specific-configuration />
<remove Remove a provider
name="string" /> Name of provider to remove
<clear/> Remove all providers
-->
<siteMap defaultProvider="AspNetXmlSiteMapProvider" enabled="true">
<providers>
<add name="AspNetXmlSiteMapProvider"
description="SiteMap provider which reads in .sitemap XML files."
type="System.Web.XmlSiteMapProvider, System.Web, Version=%ASSEMBLY_VERSION%, Culture=neutral, PublicKeyToken=%MICROSOFT_PUBLICKEY%"
siteMapFile="web.sitemap" />
</providers>
</siteMap>
*/
public sealed class SiteMapSection : ConfigurationSection {
private static ConfigurationPropertyCollection _properties;
private static readonly ConfigurationProperty _propDefaultProvider =
new ConfigurationProperty("defaultProvider",
typeof(string),
"AspNetXmlSiteMapProvider",
null,
StdValidatorsAndConverters.NonEmptyStringValidator,
ConfigurationPropertyOptions.None);
private static readonly ConfigurationProperty _propEnabled =
new ConfigurationProperty("enabled",
typeof(bool),
true,
ConfigurationPropertyOptions.None);
private static readonly ConfigurationProperty _propProviders =
new ConfigurationProperty("providers",
typeof(ProviderSettingsCollection),
null,
ConfigurationPropertyOptions.None);
private SiteMapProviderCollection _siteMapProviders;
static SiteMapSection() {
// Property initialization
_properties = new ConfigurationPropertyCollection();
_properties.Add(_propDefaultProvider);
_properties.Add(_propEnabled);
_properties.Add(_propProviders);
}
public SiteMapSection() {
}
protected override ConfigurationPropertyCollection Properties {
get {
return _properties;
}
}
[ConfigurationProperty("defaultProvider", DefaultValue = "AspNetXmlSiteMapProvider")]
[StringValidator(MinLength = 1)]
public string DefaultProvider {
get {
return (string)base[_propDefaultProvider];
}
set {
base[_propDefaultProvider] = value;
}
}
[ConfigurationProperty("enabled", DefaultValue = true)]
public bool Enabled {
get {
return (bool)base[_propEnabled];
}
set {
base[_propEnabled] = value;
}
}
[ConfigurationProperty("providers")]
public ProviderSettingsCollection Providers {
get {
return (ProviderSettingsCollection)base[_propProviders];
}
}
internal SiteMapProviderCollection ProvidersInternal {
get {
if (_siteMapProviders == null) {
lock (this) {
if (_siteMapProviders == null) {
SiteMapProviderCollection siteMapProviders = new SiteMapProviderCollection();
ProvidersHelper.InstantiateProviders(Providers, siteMapProviders, typeof(SiteMapProvider));
_siteMapProviders = siteMapProviders;
}
}
}
return _siteMapProviders;
}
}
internal void ValidateDefaultProvider() {
if (!String.IsNullOrEmpty(DefaultProvider)) // make sure the specified provider has a provider entry in the collection
{
if (Providers[DefaultProvider] == null) {
throw new ConfigurationErrorsException(
SR.GetString(SR.Config_provider_must_exist, DefaultProvider),
ElementInformation.Properties[_propDefaultProvider.Name].Source,
ElementInformation.Properties[_propDefaultProvider.Name].LineNumber);
}
}
}
} // class SiteMapSection
}
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