static OutputCache()
{
DefaultOptions = OutputCacheOptions.None;
var providerSettings = new CacheSettingsManager().RetrieveOutputCacheProviderSettings();
if (providerSettings == null || providerSettings.Type == null)
{
Instance = new MemoryCacheProvider();
}
else
{
try
{
Instance = (OutputCacheProvider)Activator.CreateInstance(Type.GetType(providerSettings.Type));
Instance.Initialize(providerSettings.Name, providerSettings.Parameters);
}
catch (Exception ex)
{
throw new ConfigurationErrorsException(
string.Format("Unable to instantiate and initialize OutputCacheProvider of type '{0}'. Make sure you are specifying the full type name.", providerSettings.Type),
ex
);
}
}
}
static OutputCache()
{
DefaultOptions = OutputCacheOptions.None;
var providerSettings = new CacheSettingsManager().RetrieveOutputCacheProviderSettings();
if (providerSettings == null || providerSettings.Type == null)
{
Instance = new MemoryCacheProvider();
}
else
{
try
{
Instance = (OutputCacheProvider)Activator.CreateInstance(Type.GetType(providerSettings.Type));
Instance.Initialize(providerSettings.Name, providerSettings.Parameters);
}
catch (Exception ex)
{
throw new ConfigurationErrorsException(
string.Format("Unable to instantiate and initialize OutputCacheProvider of type '{0}'. Make sure you are specifying the full type name.", providerSettings.Type),
ex
);
}
}
}
/// <summary>
/// Builds the cache settings.
/// </summary>
/// <returns></returns>
/// <exception cref="System.Web.HttpException">
/// The 'duration' attribute must have a value that is greater than or equal to zero.
/// </exception>
protected CacheSettings BuildCacheSettings()
{
CacheSettings cacheSettings;
if (string.IsNullOrEmpty(CacheProfile))
{
cacheSettings = new CacheSettings
{
IsCachingEnabled = CacheSettingsManager.IsCachingEnabledGlobally,
Duration = Duration,
VaryByCustom = VaryByCustom,
VaryByParam = VaryByParam,
Location = (int)Location == -1 ? OutputCacheLocation.Server : Location,
NoStore = NoStore,
Options = Options,
AnonymousOnly = AnonymousOnly,
};
}
else
{
var cacheProfile = CacheSettingsManager.RetrieveOutputCacheProfile(CacheProfile);
cacheSettings = new CacheSettings
{
IsCachingEnabled = CacheSettingsManager.IsCachingEnabledGlobally && cacheProfile.Enabled,
Duration = Duration == -1 ? cacheProfile.Duration : Duration,
VaryByCustom = VaryByCustom ?? cacheProfile.VaryByCustom,
VaryByParam = VaryByParam ?? cacheProfile.VaryByParam,
Location = (int)Location == -1 ? ((int)cacheProfile.Location == -1 ? OutputCacheLocation.Server : cacheProfile.Location) : Location,
NoStore = _noStore.HasValue ? _noStore.Value : cacheProfile.NoStore,
Options = Options,
AnonymousOnly = AnonymousOnly,
};
}
if (cacheSettings.Duration == -1)
{
throw new HttpException("The directive or the configuration settings profile must specify the 'duration' attribute.");
}
if (cacheSettings.Duration < 0)
{
throw new HttpException("The 'duration' attribute must have a value that is greater than or equal to zero.");
}
return(cacheSettings);
}
