/// <summary>
/// Initializes a new instance of the Message class from the specified
/// instance.
/// </summary>
/// <param name="message">An instance of the Core.Message class to
/// initialize this instance with.</param>
/// <exception cref="ArgumentNullException">The message parameter is null.</exception>
/// <exception cref="ArgumentException">The 'type' attribute of
/// the specified message stanza is invalid.</exception>
internal Message(Core.Message message)
{
message.ThrowIfNull("message");
type = ParseType(message.Data.GetAttribute("type"));
element = message.Data;
AlternateSubjects = new XmlDictionary(element, "subject", "xml:lang");
AlternateBodies = new XmlDictionary(element, "body", "xml:lang");
}
/// <summary>
/// Initializes a new instance of the Presence class from the specified
/// instance.
/// </summary>
/// <param name="presence">An instance of the Core.Presence class to
/// initialize this instance with.</param>
/// <exception cref="ArgumentNullException">The presence parameter is null.</exception>
/// <exception cref="ArgumentException">The 'type' attribute of the
/// specified presence stanza is invalid.</exception>
public Presence(Core.Presence presence) {
presence.ThrowIfNull("presence");
type = ParseType(presence.Data.GetAttribute("type"));
element = presence.Data;
}
