/** 更改用户状态 */
public void setPresence(int code) {
if (connection == null) return;
Presence presence;
switch (code) {
case 0:
presence = new Presence(Presence.Type.available);
connection.sendPacket(presence);
Log.v("state", "设置在线");
break;
case 1:
presence = new Presence(Presence.Type.available);
presence.setMode(Presence.Mode.chat);
connection.sendPacket(presence);
Log.v("state", "设置Q我吧");
System.out.println(presence.toXML());
break;
case 2:
presence = new Presence(Presence.Type.available);
presence.setMode(Presence.Mode.dnd);
connection.sendPacket(presence);
Log.v("state", "设置忙碌");
System.out.println(presence.toXML());
break;
case 3:
presence = new Presence(Presence.Type.available);
presence.setMode(Presence.Mode.away);
connection.sendPacket(presence);
Log.v("state", "设置离开");
System.out.println(presence.toXML());
break;
case 4:
Roster roster = connection.getRoster();
Collection<RosterEntry> entries = roster.getEntries();
for (RosterEntry entry : entries) {
presence = new Presence(Presence.Type.unavailable);
presence.setPacketID(Packet.ID_NOT_AVAILABLE);
presence.setFrom(connection.getUser());
presence.setTo(entry.getUser());
connection.sendPacket(presence);
System.out.println(presence.toXML());
}
// 向同一用户的其他客户端发送隐身状态
presence = new Presence(Presence.Type.unavailable);
presence.setPacketID(Packet.ID_NOT_AVAILABLE);
presence.setFrom(connection.getUser());
presence.setTo(StringUtils.parseBareAddress(connection.getUser()));
connection.sendPacket(presence);
Log.v("state", "设置隐身");
break;
case 5:
presence = new Presence(Presence.Type.unavailable);
connection.sendPacket(presence);
Log.v("state", "设置离线");
break;
default:
break;
}
}
/**
* Parses a presence packet.
*
* @param parser the XML parser, positioned at the start of a presence packet.
* @return a Presence packet.
* @throws Exception if an exception occurs while parsing the packet.
*/
public static Presence parsePresence(XmlPullParser parser) throws Exception {
Presence.Type type = Presence.Type.available;
String typeString = parser.getAttributeValue("", "type");
if (typeString != null && !typeString.equals("")) {
try {
type = Presence.Type.valueOf(typeString);
} catch (IllegalArgumentException iae) {
System.err.println("Found invalid presence type " + typeString);
}
}
Presence presence = new Presence(type);
presence.setTo(parser.getAttributeValue("", "to"));
presence.setFrom(parser.getAttributeValue("", "from"));
String id = parser.getAttributeValue("", "id");
presence.setPacketID(id == null ? Packet.ID_NOT_AVAILABLE : id);
String language = getLanguageAttribute(parser);
if (language != null && !"".equals(language.trim())) {
presence.setLanguage(language);
}
presence.setPacketID(id == null ? Packet.ID_NOT_AVAILABLE : id);
// Parse sub-elements
boolean done = false;
while (!done) {
int eventType = parser.next();
if (eventType == XmlPullParser.START_TAG) {
String elementName = parser.getName();
String namespace = parser.getNamespace();
if (elementName.equals("status")) {
presence.setStatus(parser.nextText());
} else if (elementName.equals("priority")) {
try {
int priority = Integer.parseInt(parser.nextText());
presence.setPriority(priority);
} catch (NumberFormatException nfe) {
// Ignore.
} catch (IllegalArgumentException iae) {
// Presence priority is out of range so assume priority to be zero
presence.setPriority(0);
}
} else if (elementName.equals("show")) {
String modeText = parser.nextText();
try {
presence.setMode(Presence.Mode.valueOf(modeText));
} catch (IllegalArgumentException iae) {
System.err.println("Found invalid presence mode " + modeText);
}
} else if (elementName.equals("error")) {
presence.setError(parseError(parser));
} else if (elementName.equals("properties") && namespace.equals(PROPERTIES_NAMESPACE)) {
Map<String, Object> properties = parseProperties(parser);
// Set packet properties.
for (String name : properties.keySet()) {
presence.setProperty(name, properties.get(name));
}
}
// Otherwise, it must be a packet extension.
else {
try {
presence.addExtension(
PacketParserUtils.parsePacketExtension(elementName, namespace, parser));
} catch (Exception e) {
System.err.println("Failed to parse extension packet in Presence packet.");
}
}
} else if (eventType == XmlPullParser.END_TAG) {
if (parser.getName().equals("presence")) {
done = true;
}
}
}
return presence;
}
