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