/**
* Constructs a new IQ using the specified type. A packet ID will
* be automatically generated.
*
* @param type the IQ type.
*/
public IQ(IQ.Type type) {
this.element = new XElement("iq");
new XDocument(docFactory).Add(element);
setType(type);
String id = string.Format("{0}-{1}", random.Next(1000), sequence++);
setID(id);
}
/**
* Constructs a new Roster using the specified type and ID.
*
* @param type the IQ type.
* @param ID the packet ID of the IQ.
*/
public Roster(IQ.Type type, string ID)
: base(type, ID)
{
element.Add(new XElement("query", "jabber:iq:roster"));
}
/**
* Constructs a new IQ using the specified type and ID.
*
* @param ID the packet ID of the IQ.
* @param type the IQ type.
*/
public IQ(IQ.Type type, string ID) {
this.element = new XElement("iq");
new XDocument(docFactory).Add(element);
setType(type);
setID(ID);
}
/**
* Convenience method to create a new {@link Type#result IQ.Type.result} IQ based
* on a {@link Type#get IQ.Type.get} or {@link Type#set IQ.Type.set} IQ. The new
* packet will be initialized with:<ul>
*
* <li>The sender set to the recipient of the originating IQ.
* <li>The recipient set to the sender of the originating IQ.
* <li>The type set to {@link Type#result IQ.Type.result}.
* <li>The id set to the id of the originating IQ.
* </ul>
*
* @param iq the {@link Type#get IQ.Type.get} or {@link Type#set IQ.Type.set} IQ packet.
* @throws IllegalArgumentException if the IQ packet does not have a type of
* {@link Type#get IQ.Type.get} or {@link Type#set IQ.Type.set}.
* @return a new {@link Type#result IQ.Type.result} IQ based on the originating IQ.
*/
public static IQ createResultIQ(IQ iq) {
if (!(iq.getType() == Type.get || iq.getType() == Type.set)) {
throw new ArgumentException(
"IQ must be of type 'set' or 'get'. Original IQ: " + iq.toXML());
}
IQ result = new IQ(Type.result, iq.getID());
result.setFrom(iq.getTo());
result.setTo(iq.getFrom());
return result;
}
/**
* Sets the type of this IQ.
*
* @param type the IQ type.
* @see Type
*/
public void setType(IQ.Type type) {
element.Add(new XAttribute("type", type == null ? null : type.ToString()));
}
/**
* Constructs a new IQ that is a copy of an existing IQ.
*
* @param iq the iq packet.
* @see #createCopy()
*/
private IQ(IQ iq) {
XElement elementCopy = new XElement(iq.element);
new XDocument(docFactory).Add(elementCopy);
this.element = elementCopy;
// Copy cached JIDs (for performance reasons)
this.toJID = iq.toJID;
this.fromJID = iq.fromJID;
}
