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 if (item!=null) {
48 items.addChild(item);
49 }
50 return packet;
51 }
52
53 public IqPacket publishAvatar(Avatar avatar) {
54 Element item = new Element("item");
55 item.setAttribute("id", avatar.sha1sum);
56 Element data = item.addChild("data","urn:xmpp:avatar:data");
57 data.setContent(avatar.image);
58 return publish("urn:xmpp:avatar:data", item);
59 }
60
61 public IqPacket publishAvatarMetadata(Avatar avatar) {
62 Element item = new Element("item");
63 item.setAttribute("id", avatar.sha1sum);
64 Element metadata = item.addChild("metadata","urn:xmpp:avatar:metadata");
65 Element info = metadata.addChild("info");
66 info.setAttribute("bytes",avatar.size);
67 info.setAttribute("id",avatar.sha1sum);
68 info.setAttribute("height",avatar.height);
69 info.setAttribute("width",avatar.height);
70 info.setAttribute("type", avatar.type);
71 return publish("urn:xmpp:avatar:metadata",item);
72 }
73
74 public IqPacket retrieveAvatar(Avatar avatar) {
75 Element item = new Element("item");
76 item.setAttribute("id", avatar.sha1sum);
77 IqPacket packet = retrieve("urn:xmpp:avatar:data", item);
78 packet.setTo(avatar.owner);
79 return packet;
80 }
81
82 public IqPacket retrieveAvatarMetaData(String to) {
83 IqPacket packet = retrieve("urn:xmpp:avatar:metadata", null);
84 if (to!=null) {
85 packet.setTo(to);
86 }
87 return packet;
88 }
89}