1package eu.siacs.conversations.xmpp.jingle.stanzas;
2
3import android.support.annotation.NonNull;
4
5import com.google.common.base.CaseFormat;
6import com.google.common.base.Preconditions;
7import com.google.common.collect.ImmutableMap;
8
9import java.util.Map;
10
11import eu.siacs.conversations.xml.Element;
12import eu.siacs.conversations.xml.Namespace;
13import eu.siacs.conversations.xmpp.stanzas.IqPacket;
14import rocks.xmpp.addr.Jid;
15
16public class JinglePacket extends IqPacket {
17
18 //TODO add support for groups: https://xmpp.org/extensions/xep-0338.html
19
20 private JinglePacket() {
21 super();
22 }
23
24 public JinglePacket(final Action action, final String sessionId) {
25 super(TYPE.SET);
26 final Element jingle = addChild("jingle", Namespace.JINGLE);
27 jingle.setAttribute("sid", sessionId);
28 jingle.setAttribute("action", action.toString());
29 }
30
31 public static JinglePacket upgrade(final IqPacket iqPacket) {
32 Preconditions.checkArgument(iqPacket.hasChild("jingle", Namespace.JINGLE));
33 final JinglePacket jinglePacket = new JinglePacket();
34 jinglePacket.setAttributes(iqPacket.getAttributes());
35 jinglePacket.setChildren(iqPacket.getChildren());
36 return jinglePacket;
37 }
38
39 //TODO deprecate this somehow and make file transfer fail if there are multiple (or something)
40 public Content getJingleContent() {
41 final Element content = getJingleChild("content");
42 return content == null ? null : Content.upgrade(content);
43 }
44
45 public Group getGroup() {
46 final Element jingle = findChild("jingle", Namespace.JINGLE);
47 final Element group = jingle.findChild("group", Namespace.JINGLE_APPS_GROUPING);
48 return group == null ? null : Group.upgrade(group);
49 }
50
51 public void addGroup(final Group group) {
52 this.addJingleChild(group);
53 }
54
55 public Map<String, Content> getJingleContents() {
56 final Element jingle = findChild("jingle", Namespace.JINGLE);
57 ImmutableMap.Builder<String, Content> builder = new ImmutableMap.Builder<>();
58 for (final Element child : jingle.getChildren()) {
59 if ("content".equals(child.getName())) {
60 final Content content = Content.upgrade(child);
61 builder.put(content.getContentName(), content);
62 }
63 }
64 return builder.build();
65 }
66
67 public void addJingleContent(final Content content) { //take content interface
68 addJingleChild(content);
69 }
70
71 public Reason getReason() {
72 final Element reason = getJingleChild("reason");
73 return reason == null ? null : Reason.upgrade(reason);
74 }
75
76 public void setReason(final Reason reason) {
77 final Element jingle = findChild("jingle", Namespace.JINGLE);
78 jingle.addChild(reason);
79 }
80
81 //RECOMMENDED for session-initiate, NOT RECOMMENDED otherwise
82 public void setInitiator(final Jid initiator) {
83 Preconditions.checkArgument(initiator.isFullJid(), "initiator should be a full JID");
84 findChild("jingle", Namespace.JINGLE).setAttribute("initiator", initiator.toEscapedString());
85 }
86
87 //RECOMMENDED for session-accept, NOT RECOMMENDED otherwise
88 public void setResponder(Jid responder) {
89 Preconditions.checkArgument(responder.isFullJid(), "responder should be a full JID");
90 findChild("jingle", Namespace.JINGLE).setAttribute("responder", responder.toEscapedString());
91 }
92
93 public Element getJingleChild(final String name) {
94 final Element jingle = findChild("jingle", Namespace.JINGLE);
95 return jingle == null ? null : jingle.findChild(name);
96 }
97
98 public void addJingleChild(final Element child) {
99 final Element jingle = findChild("jingle", Namespace.JINGLE);
100 jingle.addChild(child);
101 }
102
103 public String getSessionId() {
104 return findChild("jingle", Namespace.JINGLE).getAttribute("sid");
105 }
106
107 public Action getAction() {
108 return Action.of(findChild("jingle", Namespace.JINGLE).getAttribute("action"));
109 }
110
111 public enum Action {
112 CONTENT_ACCEPT,
113 CONTENT_ADD,
114 CONTENT_MODIFY,
115 CONTENT_REJECT,
116 CONTENT_REMOVE,
117 DESCRIPTION_INFO,
118 SECURITY_INFO,
119 SESSION_ACCEPT,
120 SESSION_INFO,
121 SESSION_INITIATE,
122 SESSION_TERMINATE,
123 TRANSPORT_ACCEPT,
124 TRANSPORT_INFO,
125 TRANSPORT_REJECT,
126 TRANSPORT_REPLACE;
127
128 public static Action of(final String value) {
129 //TODO handle invalid
130 return Action.valueOf(CaseFormat.LOWER_HYPHEN.to(CaseFormat.UPPER_UNDERSCORE, value));
131 }
132
133 @Override
134 @NonNull
135 public String toString() {
136 return CaseFormat.UPPER_UNDERSCORE.to(CaseFormat.LOWER_HYPHEN, super.toString());
137 }
138 }
139}