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