1package eu.siacs.conversations.parser;
2
3import java.text.ParseException;
4import java.text.SimpleDateFormat;
5
6import java.util.Locale;
7
8import eu.siacs.conversations.entities.Account;
9import eu.siacs.conversations.entities.Contact;
10import eu.siacs.conversations.entities.Conversation;
11import eu.siacs.conversations.entities.MucOptions;
12import eu.siacs.conversations.services.XmppConnectionService;
13import eu.siacs.conversations.xml.Element;
14import eu.siacs.conversations.xmpp.stanzas.AbstractStanza;
15import rocks.xmpp.addr.Jid;
16
17public abstract class AbstractParser {
18
19 protected XmppConnectionService mXmppConnectionService;
20
21 protected AbstractParser(XmppConnectionService service) {
22 this.mXmppConnectionService = service;
23 }
24
25 public static Long parseTimestamp(Element element, Long d) {
26 return parseTimestamp(element,d,false);
27 }
28
29 public static Long parseTimestamp(Element element, Long d, boolean ignoreCsiAndSm) {
30 long min = Long.MAX_VALUE;
31 boolean returnDefault = true;
32 final Jid to;
33 if (ignoreCsiAndSm && element instanceof AbstractStanza) {
34 to = ((AbstractStanza) element).getTo();
35 } else {
36 to = null;
37 }
38 for(Element child : element.getChildren()) {
39 if ("delay".equals(child.getName()) && "urn:xmpp:delay".equals(child.getNamespace())) {
40 final Jid f = to == null ? null : child.getAttributeAsJid("from");
41 if (f != null && (to.asBareJid().equals(f) || to.getDomain().equals(f.toString()))) {
42 continue;
43 }
44 final String stamp = child.getAttribute("stamp");
45 if (stamp != null) {
46 try {
47 min = Math.min(min,AbstractParser.parseTimestamp(stamp));
48 returnDefault = false;
49 } catch (Throwable t) {
50 //ignore
51 }
52 }
53 }
54 }
55 if (returnDefault) {
56 return d;
57 } else {
58 return min;
59 }
60 }
61
62 public static long parseTimestamp(Element element) {
63 return parseTimestamp(element, System.currentTimeMillis());
64 }
65
66 public static long parseTimestamp(String timestamp) throws ParseException {
67 timestamp = timestamp.replace("Z", "+0000");
68 SimpleDateFormat dateFormat;
69 long ms;
70 if (timestamp.length() >= 25 && timestamp.charAt(19) == '.') {
71 String millis = timestamp.substring(19,timestamp.length() - 5);
72 try {
73 double fractions = Double.parseDouble("0" + millis);
74 ms = Math.round(1000 * fractions);
75 } catch (NumberFormatException e) {
76 ms = 0;
77 }
78 } else {
79 ms = 0;
80 }
81 timestamp = timestamp.substring(0,19)+timestamp.substring(timestamp.length() -5,timestamp.length());
82 dateFormat = new SimpleDateFormat("yyyy-MM-dd'T'HH:mm:ssZ",Locale.US);
83 return Math.min(dateFormat.parse(timestamp).getTime()+ms, System.currentTimeMillis());
84 }
85
86 protected void updateLastseen(final Account account, final Jid from) {
87 final Contact contact = account.getRoster().getContact(from);
88 contact.setLastResource(from.isBareJid() ? "" : from.getResource());
89 }
90
91 protected String avatarData(Element items) {
92 Element item = items.findChild("item");
93 if (item == null) {
94 return null;
95 }
96 return item.findChildContent("data", "urn:xmpp:avatar:data");
97 }
98
99 public static MucOptions.User parseItem(Conversation conference, Element item) {
100 return parseItem(conference,item, null);
101 }
102
103 public static MucOptions.User parseItem(Conversation conference, Element item, Jid fullJid) {
104 final String local = conference.getJid().getLocal();
105 final String domain = conference.getJid().getDomain();
106 String affiliation = item.getAttribute("affiliation");
107 String role = item.getAttribute("role");
108 String nick = item.getAttribute("nick");
109 if (nick != null && fullJid == null) {
110 try {
111 fullJid = Jid.of(local, domain, nick);
112 } catch (IllegalArgumentException e) {
113 fullJid = null;
114 }
115 }
116 Jid realJid = item.getAttributeAsJid("jid");
117 MucOptions.User user = new MucOptions.User(conference.getMucOptions(), fullJid);
118 user.setRealJid(realJid);
119 user.setAffiliation(affiliation);
120 user.setRole(role);
121 return user;
122 }
123
124 public static String extractErrorMessage(Element packet) {
125 final Element error = packet.findChild("error");
126 if (error != null && error.getChildren().size() > 0) {
127 final String text = error.findChildContent("text");
128 if (text != null && !text.trim().isEmpty()) {
129 return text;
130 } else {
131 return error.getChildren().get(0).getName().replace("-"," ");
132 }
133 } else {
134 return null;
135 }
136 }
137}