1package eu.siacs.conversations.xmpp.stanzas;
 2
 3import eu.siacs.conversations.xml.Element;
 4
 5public class IqPacket extends AbstractStanza {
 6
 7	public static final int TYPE_ERROR = -1;
 8	public static final int TYPE_SET = 0;
 9	public static final int TYPE_RESULT = 1;
10	public static final int TYPE_GET = 2;
11
12	private IqPacket(final String name) {
13		super(name);
14	}
15
16	public IqPacket(final int type) {
17		super("iq");
18		switch (type) {
19			case TYPE_SET:
20				this.setAttribute("type", "set");
21				break;
22			case TYPE_GET:
23				this.setAttribute("type", "get");
24				break;
25			case TYPE_RESULT:
26				this.setAttribute("type", "result");
27				break;
28			case TYPE_ERROR:
29				this.setAttribute("type", "error");
30				break;
31			default:
32				break;
33		}
34	}
35
36	public IqPacket() {
37		super("iq");
38	}
39
40	public Element query() {
41		Element query = findChild("query");
42		if (query == null) {
43			query = addChild("query");
44		}
45		return query;
46	}
47
48	public Element query(final String xmlns) {
49		final Element query = query();
50		query.setAttribute("xmlns", xmlns);
51		return query();
52	}
53
54	public int getType() {
55		final String type = getAttribute("type");
56		switch (type) {
57			case "error":
58				return TYPE_ERROR;
59			case "result":
60				return TYPE_RESULT;
61			case "set":
62				return TYPE_SET;
63			case "get":
64				return TYPE_GET;
65			default:
66				return 1000;
67		}
68	}
69
70	public IqPacket generateResponse(final int type) {
71		final IqPacket packet = new IqPacket(type);
72		packet.setTo(this.getFrom());
73		packet.setId(this.getId());
74		return packet;
75	}
76
77}