/// <summary>
/// takes an existing atomentry object and either copies it into this feed collection,
/// or moves it by creating a source element and copying it in here if the value is actually
/// already part of a collection
/// </summary>
/// <param name="value"></param>
/// <returns></returns>
public AtomEntry CopyOrMove(AtomEntry value)
{
if (value != null)
{
if (value.Feed == null)
{
value.setFeed(_feed);
}
else
{
if (_feed != null && value.Feed == _feed)
{
// same object, already in here.
throw new ArgumentException("The entry is already part of this collection");
}
// now we need to see if this is the same feed. If not, copy
if (!AtomFeed.IsFeedIdentical(value.Feed, _feed))
{
AtomEntry newEntry = AtomEntry.ImportFromFeed(value);
newEntry.setFeed(_feed);
value = newEntry;
}
}
value.ProtocolMajor = _feed.ProtocolMajor;
value.ProtocolMinor = _feed.ProtocolMinor;
}
base.Add(value);
return(value);
}
/////////////////////////////////////////////////////////////////////////////
#endregion
#region Editing APIs
//////////////////////////////////////////////////////////////////////
/// <summary>uses the set service to insert a new entry. </summary>
/// <param name="newEntry">the atomEntry to insert into the feed</param>
/// <returns>the entry as echoed back from the server. The entry is NOT added
/// to the feeds collection</returns>
//////////////////////////////////////////////////////////////////////
public TEntry Insert <TEntry>(TEntry newEntry) where TEntry : AtomEntry
{
Tracing.Assert(newEntry != null, "newEntry should not be null");
if (newEntry == null)
{
throw new ArgumentNullException("newEntry");
}
AtomEntry echoedEntry = null;
if (newEntry.Feed == this)
{
// same object, already in here.
throw new ArgumentException("The entry is already part of this colleciton");
}
// now we need to see if this is the same feed. If not, copy
if (newEntry.Feed == null)
{
newEntry.setFeed(this);
}
else if (!AtomFeed.IsFeedIdentical(newEntry.Feed, this))
{
newEntry = AtomEntry.ImportFromFeed(newEntry) as TEntry;
newEntry.setFeed(this);
}
if (Service != null)
{
echoedEntry = Service.Insert(this, newEntry);
}
return(echoedEntry as TEntry);
}