public Task <bool> Exists(Uri path)
{
var pathInfo = new PathInfo(path);
this.AssertIsValidWabsUri(pathInfo);
StorageSimulatorItem result = this.GetItem(pathInfo);
return(Task.FromResult(result.IsNotNull()));
}
public void Delete(Uri path)
{
var pathInfo = new PathInfo(path);
if (pathInfo.Path.IsNullOrEmpty())
{
throw new InvalidOperationException("An attempt was made to delete a container. Containers can not be deleted via this API.");
}
this.AssertIsValidWabsUri(pathInfo);
StorageSimulatorItem item = this.GetItem(pathInfo, true);
if (item.IsNotNull() && item.Items.ContainsKey(pathInfo.PathParts[pathInfo.PathParts.Length - 1]))
{
item.Items.Remove(pathInfo.PathParts[pathInfo.PathParts.Length - 1]);
}
}
public Task <IEnumerable <Uri> > List(Uri path, bool recursive)
{
var items = new List <Uri>();
var queue = new Queue <StorageSimulatorItem>();
var pathInfo = new PathInfo(path);
this.AssertIsValidWabsUri(pathInfo);
StorageSimulatorItem item = this.GetItem(pathInfo, pathInfo.Path.IsNullOrEmpty());
if (item.IsNotNull())
{
queue.Enqueue(item);
while (queue.Count > 0)
{
item = queue.Remove();
queue.AddRange(item.Items.Values);
items.Add(item.Path);
}
}
return(Task.FromResult((IEnumerable <Uri>)items));
}
protected StorageSimulatorItem GetItem(PathInfo pathInfo, bool parent = false)
{
StorageSimulatorItem dir = this.Root;
this.Root.Items.TryGetValue(pathInfo.Container, out dir);
string[] pathParts = pathInfo.PathParts;
if (parent)
{
if (pathParts.Length > 0)
{
pathParts = pathParts.Take(pathParts.Length - 1).ToArray();
}
}
if (pathParts.Length == 0)
{
return(dir);
}
int loc = 0;
while (dir.IsNotNull() && dir.Items.TryGetValue(pathParts[loc], out dir) && loc < pathParts.Length)
{
if (loc == pathParts.Length - 1)
{
return(dir);
}
if (dir.IsNull())
{
return(null);
}
loc++;
}
return(null);
}