mirror of
https://codeberg.org/Mercury-IM/Smack
synced 2024-12-23 13:07:59 +01:00
SMACK-281: Move more packet parsing code to PacketParserUtils
git-svn-id: http://svn.igniterealtime.org/svn/repos/smack/trunk@11614 b35dd754-fafc-0310-a699-88a17e54d16e
This commit is contained in:
Günther Niess
niess
parent
127319a821
commit
ad65a76e77
2 changed files with 325 additions and 316 deletions
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@ -22,19 +22,11 @@ package org.jivesoftware.smack;
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import org.jivesoftware.smack.Connection.ListenerWrapper;
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import org.jivesoftware.smack.packet.*;
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import org.jivesoftware.smack.provider.IQProvider;
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import org.jivesoftware.smack.provider.ProviderManager;
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import org.jivesoftware.smack.util.PacketParserUtils;
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import org.xmlpull.mxp1.MXParser;
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import org.xmlpull.v1.XmlPullParser;
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import org.xmlpull.v1.XmlPullParserException;
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import java.io.IOException;
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import java.util.ArrayList;
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import java.util.Collection;
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import java.util.HashMap;
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import java.util.List;
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import java.util.Map;
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import java.util.concurrent.*;
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/**
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@ -231,7 +223,7 @@ class PacketReader {
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processPacket(PacketParserUtils.parseMessage(parser));
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}
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else if (parser.getName().equals("iq")) {
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processPacket(parseIQ(parser));
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processPacket(PacketParserUtils.parseIQ(parser, connection));
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}
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else if (parser.getName().equals("presence")) {
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processPacket(PacketParserUtils.parsePresence(parser));
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@ -262,7 +254,7 @@ class PacketReader {
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}
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}
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else if (parser.getName().equals("error")) {
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throw new XMPPException(parseStreamError(parser));
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throw new XMPPException(PacketParserUtils.parseStreamError(parser));
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}
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else if (parser.getName().equals("features")) {
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parseFeatures(parser);
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@ -370,26 +362,6 @@ class PacketReader {
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listenerExecutor.submit(new ListenerNotification(packet));
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}
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private StreamError parseStreamError(XmlPullParser parser) throws IOException,
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XmlPullParserException {
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StreamError streamError = null;
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boolean done = false;
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while (!done) {
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int eventType = parser.next();
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if (eventType == XmlPullParser.START_TAG) {
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streamError = new StreamError(parser.getName());
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}
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else if (eventType == XmlPullParser.END_TAG) {
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if (parser.getName().equals("error")) {
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done = true;
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}
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}
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}
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return streamError;
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}
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private void parseFeatures(XmlPullParser parser) throws Exception {
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boolean startTLSReceived = false;
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boolean startTLSRequired = false;
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@ -406,7 +378,7 @@ class PacketReader {
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// which will be used later while logging (i.e. authenticating) into
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// the server
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connection.getSASLAuthentication()
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.setAvailableSASLMethods(parseMechanisms(parser));
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.setAvailableSASLMethods(PacketParserUtils.parseMechanisms(parser));
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}
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else if (parser.getName().equals("bind")) {
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// The server requires the client to bind a resource to the stream
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@ -418,7 +390,7 @@ class PacketReader {
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}
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else if (parser.getName().equals("compression")) {
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// The server supports stream compression
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connection.setAvailableCompressionMethods(parseCompressionMethods(parser));
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connection.setAvailableCompressionMethods(PacketParserUtils.parseCompressionMethods(parser));
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}
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else if (parser.getName().equals("register")) {
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connection.getAccountManager().setSupportsAccountCreation(true);
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@ -459,290 +431,6 @@ class PacketReader {
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}
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}
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/**
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* Returns a collection of Stings with the mechanisms included in the mechanisms stanza.
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*
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* @param parser the XML parser, positioned at the start of an IQ packet.
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* @return a collection of Stings with the mechanisms included in the mechanisms stanza.
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* @throws Exception if an exception occurs while parsing the stanza.
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*/
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private Collection<String> parseMechanisms(XmlPullParser parser) throws Exception {
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List<String> mechanisms = new ArrayList<String>();
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boolean done = false;
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while (!done) {
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int eventType = parser.next();
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if (eventType == XmlPullParser.START_TAG) {
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String elementName = parser.getName();
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if (elementName.equals("mechanism")) {
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mechanisms.add(parser.nextText());
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}
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}
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else if (eventType == XmlPullParser.END_TAG) {
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if (parser.getName().equals("mechanisms")) {
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done = true;
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}
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}
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}
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return mechanisms;
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}
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private Collection<String> parseCompressionMethods(XmlPullParser parser)
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throws IOException, XmlPullParserException {
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List<String> methods = new ArrayList<String>();
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boolean done = false;
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while (!done) {
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int eventType = parser.next();
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if (eventType == XmlPullParser.START_TAG) {
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String elementName = parser.getName();
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if (elementName.equals("method")) {
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methods.add(parser.nextText());
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}
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}
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else if (eventType == XmlPullParser.END_TAG) {
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if (parser.getName().equals("compression")) {
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done = true;
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}
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}
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}
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return methods;
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}
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/**
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* Parses an IQ packet.
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*
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* @param parser the XML parser, positioned at the start of an IQ packet.
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* @return an IQ object.
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* @throws Exception if an exception occurs while parsing the packet.
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*/
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private IQ parseIQ(XmlPullParser parser) throws Exception {
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IQ iqPacket = null;
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String id = parser.getAttributeValue("", "id");
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String to = parser.getAttributeValue("", "to");
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String from = parser.getAttributeValue("", "from");
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IQ.Type type = IQ.Type.fromString(parser.getAttributeValue("", "type"));
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XMPPError error = null;
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boolean done = false;
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while (!done) {
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int eventType = parser.next();
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if (eventType == XmlPullParser.START_TAG) {
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String elementName = parser.getName();
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String namespace = parser.getNamespace();
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if (elementName.equals("error")) {
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error = PacketParserUtils.parseError(parser);
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}
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else if (elementName.equals("query") && namespace.equals("jabber:iq:auth")) {
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iqPacket = parseAuthentication(parser);
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}
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else if (elementName.equals("query") && namespace.equals("jabber:iq:roster")) {
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iqPacket = parseRoster(parser);
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}
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else if (elementName.equals("query") && namespace.equals("jabber:iq:register")) {
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iqPacket = parseRegistration(parser);
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}
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else if (elementName.equals("bind") &&
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namespace.equals("urn:ietf:params:xml:ns:xmpp-bind")) {
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iqPacket = parseResourceBinding(parser);
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}
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// Otherwise, see if there is a registered provider for
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// this element name and namespace.
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else {
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Object provider = ProviderManager.getInstance().getIQProvider(elementName, namespace);
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if (provider != null) {
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if (provider instanceof IQProvider) {
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iqPacket = ((IQProvider)provider).parseIQ(parser);
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}
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else if (provider instanceof Class) {
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iqPacket = (IQ)PacketParserUtils.parseWithIntrospection(elementName,
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(Class)provider, parser);
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}
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}
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}
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}
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else if (eventType == XmlPullParser.END_TAG) {
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if (parser.getName().equals("iq")) {
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done = true;
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}
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}
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}
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// Decide what to do when an IQ packet was not understood
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if (iqPacket == null) {
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if (IQ.Type.GET == type || IQ.Type.SET == type ) {
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// If the IQ stanza is of type "get" or "set" containing a child element
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// qualified by a namespace it does not understand, then answer an IQ of
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// type "error" with code 501 ("feature-not-implemented")
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iqPacket = new IQ() {
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public String getChildElementXML() {
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return null;
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}
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};
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iqPacket.setPacketID(id);
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iqPacket.setTo(from);
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iqPacket.setFrom(to);
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iqPacket.setType(IQ.Type.ERROR);
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iqPacket.setError(new XMPPError(XMPPError.Condition.feature_not_implemented));
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connection.sendPacket(iqPacket);
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return null;
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}
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else {
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// If an IQ packet wasn't created above, create an empty IQ packet.
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iqPacket = new IQ() {
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public String getChildElementXML() {
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return null;
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}
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};
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}
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}
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// Set basic values on the iq packet.
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iqPacket.setPacketID(id);
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iqPacket.setTo(to);
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iqPacket.setFrom(from);
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iqPacket.setType(type);
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iqPacket.setError(error);
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return iqPacket;
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}
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private Authentication parseAuthentication(XmlPullParser parser) throws Exception {
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Authentication authentication = new Authentication();
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boolean done = false;
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while (!done) {
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int eventType = parser.next();
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if (eventType == XmlPullParser.START_TAG) {
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if (parser.getName().equals("username")) {
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authentication.setUsername(parser.nextText());
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}
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else if (parser.getName().equals("password")) {
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authentication.setPassword(parser.nextText());
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}
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else if (parser.getName().equals("digest")) {
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authentication.setDigest(parser.nextText());
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}
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else if (parser.getName().equals("resource")) {
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authentication.setResource(parser.nextText());
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}
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}
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else if (eventType == XmlPullParser.END_TAG) {
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if (parser.getName().equals("query")) {
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done = true;
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}
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}
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}
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return authentication;
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}
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private RosterPacket parseRoster(XmlPullParser parser) throws Exception {
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RosterPacket roster = new RosterPacket();
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boolean done = false;
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RosterPacket.Item item = null;
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while (!done) {
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int eventType = parser.next();
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if (eventType == XmlPullParser.START_TAG) {
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if (parser.getName().equals("item")) {
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String jid = parser.getAttributeValue("", "jid");
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String name = parser.getAttributeValue("", "name");
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// Create packet.
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item = new RosterPacket.Item(jid, name);
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// Set status.
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String ask = parser.getAttributeValue("", "ask");
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RosterPacket.ItemStatus status = RosterPacket.ItemStatus.fromString(ask);
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item.setItemStatus(status);
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// Set type.
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String subscription = parser.getAttributeValue("", "subscription");
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RosterPacket.ItemType type = RosterPacket.ItemType.valueOf(subscription);
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item.setItemType(type);
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}
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if (parser.getName().equals("group") && item!= null) {
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item.addGroupName(parser.nextText());
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}
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}
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else if (eventType == XmlPullParser.END_TAG) {
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if (parser.getName().equals("item")) {
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roster.addRosterItem(item);
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}
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if (parser.getName().equals("query")) {
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done = true;
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}
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}
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}
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return roster;
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}
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private Registration parseRegistration(XmlPullParser parser) throws Exception {
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Registration registration = new Registration();
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Map<String, String> fields = null;
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boolean done = false;
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while (!done) {
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int eventType = parser.next();
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if (eventType == XmlPullParser.START_TAG) {
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// Any element that's in the jabber:iq:register namespace,
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// attempt to parse it if it's in the form <name>value</name>.
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if (parser.getNamespace().equals("jabber:iq:register")) {
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String name = parser.getName();
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String value = "";
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if (fields == null) {
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fields = new HashMap<String, String>();
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}
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if (parser.next() == XmlPullParser.TEXT) {
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value = parser.getText();
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}
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// Ignore instructions, but anything else should be added to the map.
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if (!name.equals("instructions")) {
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fields.put(name, value);
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}
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else {
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registration.setInstructions(value);
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}
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}
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// Otherwise, it must be a packet extension.
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else {
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registration.addExtension(
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PacketParserUtils.parsePacketExtension(
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parser.getName(),
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parser.getNamespace(),
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parser));
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}
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}
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else if (eventType == XmlPullParser.END_TAG) {
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if (parser.getName().equals("query")) {
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done = true;
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}
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}
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}
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registration.setAttributes(fields);
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return registration;
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}
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private Bind parseResourceBinding(XmlPullParser parser) throws IOException,
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XmlPullParserException
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{
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Bind bind = new Bind();
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boolean done = false;
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while (!done) {
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int eventType = parser.next();
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if (eventType == XmlPullParser.START_TAG) {
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if (parser.getName().equals("resource")) {
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bind.setResource(parser.nextText());
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}
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else if (parser.getName().equals("jid")) {
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bind.setJid(parser.nextText());
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}
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} else if (eventType == XmlPullParser.END_TAG) {
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if (parser.getName().equals("bind")) {
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done = true;
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}
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}
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}
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return bind;
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}
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/**
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* A runnable to notify all listeners of a packet.
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*/
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@ -20,15 +20,20 @@
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package org.jivesoftware.smack.util;
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import org.jivesoftware.smack.Connection;
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import org.jivesoftware.smack.packet.*;
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import org.jivesoftware.smack.provider.IQProvider;
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import org.jivesoftware.smack.provider.PacketExtensionProvider;
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import org.jivesoftware.smack.provider.ProviderManager;
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import org.xmlpull.v1.XmlPullParser;
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import org.xmlpull.v1.XmlPullParserException;
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import java.beans.PropertyDescriptor;
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import java.io.ByteArrayInputStream;
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import java.io.IOException;
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import java.io.ObjectInputStream;
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import java.util.ArrayList;
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import java.util.Collection;
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import java.util.HashMap;
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import java.util.List;
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import java.util.Map;
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@ -214,6 +219,296 @@ public class PacketParserUtils {
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return presence;
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}
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/**
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* Parses an IQ packet.
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*
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* @param parser the XML parser, positioned at the start of an IQ packet.
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* @return an IQ object.
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* @throws Exception if an exception occurs while parsing the packet.
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*/
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public static IQ parseIQ(XmlPullParser parser, Connection connection) throws Exception {
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IQ iqPacket = null;
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String id = parser.getAttributeValue("", "id");
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String to = parser.getAttributeValue("", "to");
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String from = parser.getAttributeValue("", "from");
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IQ.Type type = IQ.Type.fromString(parser.getAttributeValue("", "type"));
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XMPPError error = null;
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boolean done = false;
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while (!done) {
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int eventType = parser.next();
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if (eventType == XmlPullParser.START_TAG) {
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String elementName = parser.getName();
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String namespace = parser.getNamespace();
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if (elementName.equals("error")) {
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error = PacketParserUtils.parseError(parser);
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}
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else if (elementName.equals("query") && namespace.equals("jabber:iq:auth")) {
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iqPacket = parseAuthentication(parser);
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}
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else if (elementName.equals("query") && namespace.equals("jabber:iq:roster")) {
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iqPacket = parseRoster(parser);
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}
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else if (elementName.equals("query") && namespace.equals("jabber:iq:register")) {
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iqPacket = parseRegistration(parser);
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}
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else if (elementName.equals("bind") &&
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namespace.equals("urn:ietf:params:xml:ns:xmpp-bind")) {
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iqPacket = parseResourceBinding(parser);
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}
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// Otherwise, see if there is a registered provider for
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// this element name and namespace.
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else {
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Object provider = ProviderManager.getInstance().getIQProvider(elementName, namespace);
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if (provider != null) {
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if (provider instanceof IQProvider) {
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iqPacket = ((IQProvider)provider).parseIQ(parser);
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}
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else if (provider instanceof Class) {
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iqPacket = (IQ)PacketParserUtils.parseWithIntrospection(elementName,
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(Class)provider, parser);
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}
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}
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}
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}
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else if (eventType == XmlPullParser.END_TAG) {
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if (parser.getName().equals("iq")) {
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done = true;
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}
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}
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}
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// Decide what to do when an IQ packet was not understood
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if (iqPacket == null) {
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if (IQ.Type.GET == type || IQ.Type.SET == type ) {
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// If the IQ stanza is of type "get" or "set" containing a child element
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// qualified by a namespace it does not understand, then answer an IQ of
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// type "error" with code 501 ("feature-not-implemented")
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iqPacket = new IQ() {
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public String getChildElementXML() {
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return null;
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}
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};
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iqPacket.setPacketID(id);
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iqPacket.setTo(from);
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iqPacket.setFrom(to);
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iqPacket.setType(IQ.Type.ERROR);
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iqPacket.setError(new XMPPError(XMPPError.Condition.feature_not_implemented));
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connection.sendPacket(iqPacket);
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return null;
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}
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else {
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// If an IQ packet wasn't created above, create an empty IQ packet.
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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;
|
||||
}
|
||||
|
||||
private static Authentication parseAuthentication(XmlPullParser parser) throws Exception {
|
||||
Authentication authentication = new Authentication();
|
||||
boolean done = false;
|
||||
while (!done) {
|
||||
int eventType = parser.next();
|
||||
if (eventType == XmlPullParser.START_TAG) {
|
||||
if (parser.getName().equals("username")) {
|
||||
authentication.setUsername(parser.nextText());
|
||||
}
|
||||
else if (parser.getName().equals("password")) {
|
||||
authentication.setPassword(parser.nextText());
|
||||
}
|
||||
else if (parser.getName().equals("digest")) {
|
||||
authentication.setDigest(parser.nextText());
|
||||
}
|
||||
else if (parser.getName().equals("resource")) {
|
||||
authentication.setResource(parser.nextText());
|
||||
}
|
||||
}
|
||||
else if (eventType == XmlPullParser.END_TAG) {
|
||||
if (parser.getName().equals("query")) {
|
||||
done = true;
|
||||
}
|
||||
}
|
||||
}
|
||||
return authentication;
|
||||
}
|
||||
|
||||
private static RosterPacket parseRoster(XmlPullParser parser) throws Exception {
|
||||
RosterPacket roster = new RosterPacket();
|
||||
boolean done = false;
|
||||
RosterPacket.Item item = null;
|
||||
while (!done) {
|
||||
int eventType = parser.next();
|
||||
if (eventType == XmlPullParser.START_TAG) {
|
||||
if (parser.getName().equals("item")) {
|
||||
String jid = parser.getAttributeValue("", "jid");
|
||||
String name = parser.getAttributeValue("", "name");
|
||||
// Create packet.
|
||||
item = new RosterPacket.Item(jid, name);
|
||||
// Set status.
|
||||
String ask = parser.getAttributeValue("", "ask");
|
||||
RosterPacket.ItemStatus status = RosterPacket.ItemStatus.fromString(ask);
|
||||
item.setItemStatus(status);
|
||||
// Set type.
|
||||
String subscription = parser.getAttributeValue("", "subscription");
|
||||
RosterPacket.ItemType type = RosterPacket.ItemType.valueOf(subscription);
|
||||
item.setItemType(type);
|
||||
}
|
||||
if (parser.getName().equals("group") && item!= null) {
|
||||
item.addGroupName(parser.nextText());
|
||||
}
|
||||
}
|
||||
else if (eventType == XmlPullParser.END_TAG) {
|
||||
if (parser.getName().equals("item")) {
|
||||
roster.addRosterItem(item);
|
||||
}
|
||||
if (parser.getName().equals("query")) {
|
||||
done = true;
|
||||
}
|
||||
}
|
||||
}
|
||||
return roster;
|
||||
}
|
||||
|
||||
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;
|
||||
}
|
||||
|
||||
private static Bind parseResourceBinding(XmlPullParser parser) throws IOException,
|
||||
XmlPullParserException {
|
||||
Bind bind = new Bind();
|
||||
boolean done = false;
|
||||
while (!done) {
|
||||
int eventType = parser.next();
|
||||
if (eventType == XmlPullParser.START_TAG) {
|
||||
if (parser.getName().equals("resource")) {
|
||||
bind.setResource(parser.nextText());
|
||||
}
|
||||
else if (parser.getName().equals("jid")) {
|
||||
bind.setJid(parser.nextText());
|
||||
}
|
||||
} else if (eventType == XmlPullParser.END_TAG) {
|
||||
if (parser.getName().equals("bind")) {
|
||||
done = true;
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
return bind;
|
||||
}
|
||||
|
||||
/**
|
||||
* Parse the available SASL mechanisms reported from the server.
|
||||
*
|
||||
* @param parser the XML parser, positioned at the start of the mechanisms stanza.
|
||||
* @return a collection of Stings with the mechanisms included in the mechanisms stanza.
|
||||
* @throws Exception if an exception occurs while parsing the stanza.
|
||||
*/
|
||||
public static Collection<String> parseMechanisms(XmlPullParser parser) throws Exception {
|
||||
List<String> mechanisms = new ArrayList<String>();
|
||||
boolean done = false;
|
||||
while (!done) {
|
||||
int eventType = parser.next();
|
||||
|
||||
if (eventType == XmlPullParser.START_TAG) {
|
||||
String elementName = parser.getName();
|
||||
if (elementName.equals("mechanism")) {
|
||||
mechanisms.add(parser.nextText());
|
||||
}
|
||||
}
|
||||
else if (eventType == XmlPullParser.END_TAG) {
|
||||
if (parser.getName().equals("mechanisms")) {
|
||||
done = true;
|
||||
}
|
||||
}
|
||||
}
|
||||
return mechanisms;
|
||||
}
|
||||
|
||||
/**
|
||||
* Parse the available compression methods reported from the server.
|
||||
*
|
||||
* @param parser the XML parser, positioned at the start of the compression stanza.
|
||||
* @return a collection of Stings with the methods included in the compression stanza.
|
||||
* @throws Exception if an exception occurs while parsing the stanza.
|
||||
*/
|
||||
public static Collection<String> parseCompressionMethods(XmlPullParser parser)
|
||||
throws IOException, XmlPullParserException {
|
||||
List<String> methods = new ArrayList<String>();
|
||||
boolean done = false;
|
||||
while (!done) {
|
||||
int eventType = parser.next();
|
||||
|
||||
if (eventType == XmlPullParser.START_TAG) {
|
||||
String elementName = parser.getName();
|
||||
if (elementName.equals("method")) {
|
||||
methods.add(parser.nextText());
|
||||
}
|
||||
}
|
||||
else if (eventType == XmlPullParser.END_TAG) {
|
||||
if (parser.getName().equals("compression")) {
|
||||
done = true;
|
||||
}
|
||||
}
|
||||
}
|
||||
return methods;
|
||||
}
|
||||
|
||||
/**
|
||||
* Parse a properties sub-packet. If any errors occur while de-serializing Java object
|
||||
* properties, an exception will be printed and not thrown since a thrown
|
||||
|
|
@ -295,6 +590,32 @@ public class PacketParserUtils {
|
|||
return properties;
|
||||
}
|
||||
|
||||
/**
|
||||
* Parses stream error packets.
|
||||
*
|
||||
* @param parser the XML parser.
|
||||
* @return an stream error packet.
|
||||
* @throws Exception if an exception occurs while parsing the packet.
|
||||
*/
|
||||
public static StreamError parseStreamError(XmlPullParser parser) throws IOException,
|
||||
XmlPullParserException {
|
||||
StreamError streamError = null;
|
||||
boolean done = false;
|
||||
while (!done) {
|
||||
int eventType = parser.next();
|
||||
|
||||
if (eventType == XmlPullParser.START_TAG) {
|
||||
streamError = new StreamError(parser.getName());
|
||||
}
|
||||
else if (eventType == XmlPullParser.END_TAG) {
|
||||
if (parser.getName().equals("error")) {
|
||||
done = true;
|
||||
}
|
||||
}
|
||||
}
|
||||
return streamError;
|
||||
}
|
||||
|
||||
/**
|
||||
* Parses error sub-packets.
|
||||
*
|
||||
|
|
|
|||
Loading…
Reference in a new issue