/// <summary>
/// Adds the provider.
/// </summary>
/// <param name="root">The root.</param>
/// <param name="entryPoint">The entry point.</param>
/// <param name="providerName">Name of the provider.</param>
/// <param name="categoryList">The category list.</param>
/// <returns>
/// <c>true</c> if [the provider has been attached]; otherwise, <c>false</c>.
/// </returns>
/// <exception cref="System.InvalidOperationException">Content provider for this node already attached.
/// or
/// Content provider with same name already attached.</exception>
public static bool AddProvider(int root, int entryPoint, string providerName, CategoryList categoryList)
{
string name = string.Format(CultureInfo.InvariantCulture, "{0}-ClonedContent-{1}-{2}", providerName, root, entryPoint);
IQueryable<ClonedContentProviderSettings> providerCollection = SettingsRepository.Instance.GetAll().AsQueryable();
if (providerCollection.Count(pc => pc.EntryPoint.Equals(entryPoint)) > 0)
{
// A provider is already attached to this node.
throw new InvalidOperationException("Content provider for this node already attached.");
}
if (providerCollection.Count(pc => pc.Name.Equals(name)) > 0)
{
// A provider with the same name already exists.
throw new InvalidOperationException("Content provider with same name already attached.");
}
CategoryList categories = categoryList ?? new CategoryList();
ClonedContentProvider provider = new ClonedContentProvider(
name,
new PageReference(root),
new PageReference(entryPoint),
categories);
IContentProviderManager providerManager = ServiceLocator.Current.GetInstance<IContentProviderManager>();
ClonedContentProviderSettings contentProviderSettings = new ClonedContentProviderSettings
{
Name = name,
EntryPoint = entryPoint,
Root = root,
CategoryList =
string.Join(
",",
categories)
};
providerManager.ProviderMap.AddProvider(provider);
SettingsRepository.Instance.SaveSettings(contentProviderSettings);
CacheManager.Clear();
return true;
}
/// <summary>
/// Loads the provider.
/// </summary>
/// <returns>
/// [true] if the provider has been loaded.
/// </returns>
private static bool LoadProviders()
{
IContentProviderManager providerManager = ServiceLocator.Current.GetInstance<IContentProviderManager>();
Collection<ClonedContentProviderSettings> providerCollection = SettingsRepository.Instance.GetAll();
foreach (ClonedContentProviderSettings providerSettings in providerCollection)
{
try
{
ContentProvider contentProvider = providerManager.GetProvider(providerSettings.Name);
if (contentProvider != null)
{
continue;
}
CategoryList categoryList =
new CategoryList(
providerSettings.CategoryList.Split(new[] { ',' }, StringSplitOptions.RemoveEmptyEntries)
.Select(int.Parse)
.ToArray());
ClonedContentProvider provider = new ClonedContentProvider(
providerSettings.Name,
new PageReference(providerSettings.Root),
new PageReference(providerSettings.EntryPoint),
categoryList);
providerManager.ProviderMap.AddProvider(provider);
}
catch (ArgumentNullException)
{
return false;
}
catch (ArgumentException)
{
return false;
}
catch (NotSupportedException)
{
return false;
}
}
return true;
}
