public static void SetContentDescription(string name, ContentDescription contentDescription)
{
if (m_contentInfosByFolderName.Count > 0 && (!m_contentDescriptionsByName.TryGetValue(name, out ContentDescription value) || value.TypeName != contentDescription.TypeName))
{
m_contentInfosByFolderName.Clear();
}
m_contentDescriptionsByName[name] = contentDescription;
}
public CachedItemWrapper(string name)
{
m_name = name;
ContentDescription contentDescription = GetContentDescription(name, throwIfNotFound: true);
if (contentDescription.CachedItemWrappers == null)
{
contentDescription.CachedItemWrappers = new List <CachedItemWrapperBase>();
}
contentDescription.CachedItemWrappers.Add(this);
}
public static void LoadContent(ContentDescription contentDescription)
{
if (contentDescription.Stream != null)
{
IContentReader contentReader = GetContentReader(contentDescription.TypeName);
ContentStream stream = PrepareContentStream(contentDescription);
contentDescription.Content = contentReader.Read(stream, contentDescription.Content);
return;
}
throw new InvalidOperationException("Cannot load manually added content item. Item must have been disposed and accessed again.");
}
public static void Dispose(string name)
{
lock (m_lock)
{
ContentDescription contentDescription = GetContentDescription(name, throwIfNotFound: true);
(contentDescription.Content as IDisposable)?.Dispose();
contentDescription.Content = null;
if (contentDescription.CachedItemWrappers != null)
{
foreach (CachedItemWrapperBase cachedItemWrapper in contentDescription.CachedItemWrappers)
{
cachedItemWrapper.Clear();
}
}
}
}
public static object Get(string name, bool throwIfNotFound = true)
{
lock (m_lock)
{
ContentDescription contentDescription = GetContentDescription(name, throwIfNotFound);
if (contentDescription != null)
{
if (contentDescription.Content == null)
{
LoadContent(contentDescription);
}
return(contentDescription.Content);
}
return(null);
}
}
public static ContentStream PrepareContentStream(ContentDescription contentDescription)
{
contentDescription.Stream.Position = contentDescription.Position;
return(contentDescription.Stream.CreateSubstream(contentDescription.BytesCount));
}
