/// <summary>
/// Method reads groups from storage.
/// </summary>
/// <param name="key">Specifies a key to read.</param>
/// <returns>A Groups object.</returns>
private static Groups ReadGroups(string key)
{
Groups groups = new Groups();
string value = RelayStorage.GetValue(key);
if (string.IsNullOrEmpty(value))
{
return groups;
}
string[] groupsItems = value.Split(
new string[] { RelayStorage.ObjectSeperator },
System.StringSplitOptions.RemoveEmptyEntries);
if (groupsItems == null || groupsItems.Length == 0)
{
return groups;
}
foreach (string item in groupsItems)
{
string[] groupItems = item.Split(
new string[] { RelayStorage.ValueSeperator },
System.StringSplitOptions.None);
if (groupItems == null || groupItems.Length != 3)
{
continue;
}
Group group = new Group()
{
Name = groupItems[0],
RegistrationId = groupItems[1],
SecretKey = groupItems[2]
};
groups.Add(group);
}
return groups;
}
