/// <summary>
/// Removes the RosterItem from the roster with the given Jid
/// </summary>
/// <param name="jid">The jid.</param>
/// <returns>true when removed, false when the item did not exists and could not be removed.</returns>
public bool RemoveRosterItem(Jid jid)
{
var bjc = new BareJidComparer();
var item = GetRoster().FirstOrDefault(r => r.Jid.Equals(jid, bjc));
if (item != null)
{
item.Remove();
return(true);
}
return(false);
}
public RosterItem this [Jid jid]
{
get
{
var items = GetRoster();
if (items != null)
{
var bjc = new BareJidComparer();
return(items.FirstOrDefault(r => r.Jid.Equals(jid, bjc)));
}
return(null);
}
}
/// <summary>
/// Does the Roster contain an RosterItem with the given Jid?
/// </summary>
/// <param name="jid"></param>
/// <returns></returns>
public bool ContainsRosterItem(Jid jid)
{
var items = GetRoster();
if (items == null)
{
return(false);
}
if (!items.Any())
{
return(false);
}
var bjc = new BareJidComparer();
return(items.Any(r => r.Jid.Equals(jid, bjc)));
}
