private static Registration parseRegistration(XmlPullParser parser) throws Exception {
Registration registration = new Registration();
Map<String, String> fields = null;
boolean done = false;
while (!done) {
int eventType = parser.next();
if (eventType == XmlPullParser.START_TAG) {
// Any element that's in the jabber:iq:register namespace,
// attempt to parse it if it's in the form <name>value</name>.
if (parser.getNamespace().equals("jabber:iq:register")) {
String name = parser.getName();
String value = "";
if (fields == null) {
fields = new HashMap<String, String>();
}
if (parser.next() == XmlPullParser.TEXT) {
value = parser.getText();
}
// Ignore instructions, but anything else should be added to the map.
if (!name.equals("instructions")) {
fields.put(name, value);
} else {
registration.setInstructions(value);
}
}
// Otherwise, it must be a packet extension.
else {
registration.addExtension(
PacketParserUtils.parsePacketExtension(
parser.getName(), parser.getNamespace(), parser));
}
} else if (eventType == XmlPullParser.END_TAG) {
if (parser.getName().equals("query")) {
done = true;
}
}
}
registration.setAttributes(fields);
return registration;
}
/**
* Parses a message packet.
*
* @param parser the XML parser, positioned at the start of a message packet.
* @return a Message packet.
* @throws Exception if an exception occurs while parsing the packet.
*/
public static Packet parseMessage(XmlPullParser parser) throws Exception {
Message message = new Message();
String id = parser.getAttributeValue("", "id");
message.setPacketID(id == null ? Packet.ID_NOT_AVAILABLE : id);
message.setTo(parser.getAttributeValue("", "to"));
message.setFrom(parser.getAttributeValue("", "from"));
message.setType(Message.Type.fromString(parser.getAttributeValue("", "type")));
String language = getLanguageAttribute(parser);
// determine message's default language
String defaultLanguage = null;
if (language != null && !"".equals(language.trim())) {
message.setLanguage(language);
defaultLanguage = language;
} else {
defaultLanguage = Packet.getDefaultLanguage();
}
// Parse sub-elements. We include extra logic to make sure the values
// are only read once. This is because it's possible for the names to appear
// in arbitrary sub-elements.
boolean done = false;
String thread = null;
Map<String, Object> properties = null;
while (!done) {
int eventType = parser.next();
if (eventType == XmlPullParser.START_TAG) {
String elementName = parser.getName();
String namespace = parser.getNamespace();
if (elementName.equals("subject")) {
String xmlLang = getLanguageAttribute(parser);
if (xmlLang == null) {
xmlLang = defaultLanguage;
}
String subject = parseContent(parser);
if (message.getSubject(xmlLang) == null) {
message.addSubject(xmlLang, subject);
}
} else if (elementName.equals("body")) {
String xmlLang = getLanguageAttribute(parser);
if (xmlLang == null) {
xmlLang = defaultLanguage;
}
String body = parseContent(parser);
if (message.getBody(xmlLang) == null) {
message.addBody(xmlLang, body);
}
} else if (elementName.equals("thread")) {
if (thread == null) {
thread = parser.nextText();
}
} else if (elementName.equals("error")) {
message.setError(parseError(parser));
} else if (elementName.equals("properties") && namespace.equals(PROPERTIES_NAMESPACE)) {
properties = parseProperties(parser);
}
// Otherwise, it must be a packet extension.
else {
message.addExtension(
PacketParserUtils.parsePacketExtension(elementName, namespace, parser));
}
} else if (eventType == XmlPullParser.END_TAG) {
if (parser.getName().equals("message")) {
done = true;
}
}
}
message.setThread(thread);
// Set packet properties.
if (properties != null) {
for (String name : properties.keySet()) {
message.setProperty(name, properties.get(name));
}
}
return message;
}
/**
* Parses an IQ packet.
*
* @param parser the XML parser, positioned at the start of an IQ packet.
* @return an IQ object.
* @throws Exception if an exception occurs while parsing the packet.
*/
public static IQ parseIQ(XmlPullParser parser, Connection connection) throws Exception {
IQ iqPacket = null;
String id = parser.getAttributeValue("", "id");
String to = parser.getAttributeValue("", "to");
String from = parser.getAttributeValue("", "from");
IQ.Type type = IQ.Type.fromString(parser.getAttributeValue("", "type"));
XMPPError error = null;
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("error")) {
error = PacketParserUtils.parseError(parser);
} else if (elementName.equals("query") && namespace.equals("jabber:iq:auth")) {
iqPacket = parseAuthentication(parser);
} else if (elementName.equals("query") && namespace.equals("jabber:iq:roster")) {
iqPacket = parseRoster(parser);
} else if (elementName.equals("query") && namespace.equals("jabber:iq:register")) {
iqPacket = parseRegistration(parser);
} else if (elementName.equals("bind")
&& namespace.equals("urn:ietf:params:xml:ns:xmpp-bind")) {
iqPacket = parseResourceBinding(parser);
}
// Otherwise, see if there is a registered provider for
// this element name and namespace.
else {
Object provider = ProviderManager.getInstance().getIQProvider(elementName, namespace);
if (provider != null) {
if (provider instanceof IQProvider) {
iqPacket = ((IQProvider) provider).parseIQ(parser);
} else if (provider instanceof Class) {
iqPacket =
(IQ)
PacketParserUtils.parseWithIntrospection(
elementName, (Class) provider, parser);
}
}
}
} else if (eventType == XmlPullParser.END_TAG) {
if (parser.getName().equals("iq")) {
done = true;
}
}
}
// Decide what to do when an IQ packet was not understood
if (iqPacket == null) {
if (IQ.Type.GET == type || IQ.Type.SET == type) {
// If the IQ stanza is of type "get" or "set" containing a child element
// qualified by a namespace it does not understand, then answer an IQ of
// type "error" with code 501 ("feature-not-implemented")
iqPacket =
new IQ() {
public String getChildElementXML() {
return null;
}
};
iqPacket.setPacketID(id);
iqPacket.setTo(from);
iqPacket.setFrom(to);
iqPacket.setType(IQ.Type.ERROR);
iqPacket.setError(new XMPPError(XMPPError.Condition.service_unavailable));
connection.sendPacket(iqPacket);
return null;
} else {
// If an IQ packet wasn't created above, create an empty IQ packet.
iqPacket =
new IQ() {
public String getChildElementXML() {
return null;
}
};
}
}
// Set basic values on the iq packet.
iqPacket.setPacketID(id);
iqPacket.setTo(to);
iqPacket.setFrom(from);
iqPacket.setType(type);
iqPacket.setError(error);
return iqPacket;
}
/**
* 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) {
LOGGER.log(Level.SEVERE, "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")) {
try {
presence.setStatus(parser.nextText());
} catch (Throwable t) {
LOGGER.log(Level.SEVERE, "Error parsing presence status", t);
}
} 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) {
LOGGER.log(Level.SEVERE, "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 {
presence.addExtension(
PacketParserUtils.parsePacketExtension(elementName, namespace, parser));
}
} else if (eventType == XmlPullParser.END_TAG) {
if (parser.getName().equals("presence")) {
done = true;
}
}
}
return presence;
}