1package eu.siacs.conversations.generator;
2
3import java.util.Arrays;
4import java.util.Collections;
5import java.util.List;
6
7import eu.siacs.conversations.services.XmppConnectionService;
8import eu.siacs.conversations.xml.Element;
9import eu.siacs.conversations.xmpp.jid.Jid;
10import eu.siacs.conversations.xmpp.pep.Avatar;
11import eu.siacs.conversations.xmpp.stanzas.IqPacket;
12
13public class IqGenerator extends AbstractGenerator {
14
15 public IqGenerator(XmppConnectionService service) {
16 super(service);
17 }
18
19 public IqPacket discoResponse(IqPacket request) {
20 IqPacket packet = new IqPacket(IqPacket.TYPE_RESULT);
21 packet.setId(request.getId());
22 packet.setTo(request.getFrom());
23 Element query = packet.addChild("query",
24 "http://jabber.org/protocol/disco#info");
25 query.setAttribute("node", request.query().getAttribute("node"));
26 Element identity = query.addChild("identity");
27 identity.setAttribute("category", "client");
28 identity.setAttribute("type", this.IDENTITY_TYPE);
29 identity.setAttribute("name", IDENTITY_NAME);
30 List<String> features = Arrays.asList(FEATURES);
31 Collections.sort(features);
32 for (String feature : features) {
33 query.addChild("feature").setAttribute("var", feature);
34 }
35 return packet;
36 }
37
38 protected IqPacket publish(String node, Element item) {
39 IqPacket packet = new IqPacket(IqPacket.TYPE_SET);
40 Element pubsub = packet.addChild("pubsub",
41 "http://jabber.org/protocol/pubsub");
42 Element publish = pubsub.addChild("publish");
43 publish.setAttribute("node", node);
44 publish.addChild(item);
45 return packet;
46 }
47
48 protected IqPacket retrieve(String node, Element item) {
49 IqPacket packet = new IqPacket(IqPacket.TYPE_GET);
50 Element pubsub = packet.addChild("pubsub",
51 "http://jabber.org/protocol/pubsub");
52 Element items = pubsub.addChild("items");
53 items.setAttribute("node", node);
54 if (item != null) {
55 items.addChild(item);
56 }
57 return packet;
58 }
59
60 public IqPacket publishAvatar(Avatar avatar) {
61 Element item = new Element("item");
62 item.setAttribute("id", avatar.sha1sum);
63 Element data = item.addChild("data", "urn:xmpp:avatar:data");
64 data.setContent(avatar.image);
65 return publish("urn:xmpp:avatar:data", item);
66 }
67
68 public IqPacket publishAvatarMetadata(Avatar avatar) {
69 Element item = new Element("item");
70 item.setAttribute("id", avatar.sha1sum);
71 Element metadata = item
72 .addChild("metadata", "urn:xmpp:avatar:metadata");
73 Element info = metadata.addChild("info");
74 info.setAttribute("bytes", avatar.size);
75 info.setAttribute("id", avatar.sha1sum);
76 info.setAttribute("height", avatar.height);
77 info.setAttribute("width", avatar.height);
78 info.setAttribute("type", avatar.type);
79 return publish("urn:xmpp:avatar:metadata", item);
80 }
81
82 public IqPacket retrieveAvatar(Avatar avatar) {
83 Element item = new Element("item");
84 item.setAttribute("id", avatar.sha1sum);
85 IqPacket packet = retrieve("urn:xmpp:avatar:data", item);
86 packet.setTo(avatar.owner);
87 return packet;
88 }
89
90 public IqPacket retrieveAvatarMetaData(final Jid to) {
91 final IqPacket packet = retrieve("urn:xmpp:avatar:metadata", null);
92 if (to != null) {
93 packet.setTo(to);
94 }
95 return packet;
96 }
97}