public SiteMapNodeVisibilityProviderStrategy(ISiteMapNodeVisibilityProvider[] siteMapNodeVisibilityProviders, string defaultProviderName)
{
if (siteMapNodeVisibilityProviders == null)
throw new ArgumentNullException("siteMapNodeVisibilityProviders");
this.siteMapNodeVisibilityProviders = siteMapNodeVisibilityProviders;
this.defaultProviderName = defaultProviderName;
}
public ISiteMapNodeVisibilityProvider GetProvider(string providerName)
{
ISiteMapNodeVisibilityProvider provider = null;
if (!String.IsNullOrEmpty(providerName))
{
provider = siteMapNodeVisibilityProviders.FirstOrDefault(x => x.AppliesTo(providerName));
if (provider == null)
{
throw new MvcSiteMapException(String.Format(Resources.Messages.NamedSiteMapNodeVisibilityProviderNotFound, providerName));
}
}
else if (!string.IsNullOrEmpty(defaultProviderName))
{
// Return the configured default provider
provider = siteMapNodeVisibilityProviders.FirstOrDefault(x => x.AppliesTo(defaultProviderName));
}
return(provider);
}
