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https://github.com/vanitasvitae/Smack.git
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Add AbstractXMPPConnection.parseAndProcessStanza()
and remove BOSHPacketReader. Reduces the duplicate code in smack-tcp and smack-bosh. Also moves ParsingExceptionCallback into AbstractXMPPConnection.
This commit is contained in:
Florian Schmaus
parent
54706e3918
commit
08c1f2c850
4 changed files with 136 additions and 182 deletions
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@ -1,124 +0,0 @@
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/**
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*
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* Copyright 2009 Jive Software.
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package org.jivesoftware.smack.bosh;
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import java.io.StringReader;
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import org.jivesoftware.smack.packet.Packet;
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import org.jivesoftware.smack.sasl.packet.SaslStreamElements.SASLFailure;
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import org.jivesoftware.smack.sasl.packet.SaslStreamElements.Success;
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import org.jivesoftware.smack.util.PacketParserUtils;
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import org.jivesoftware.smack.XMPPException.StreamErrorException;
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import org.xmlpull.v1.XmlPullParserFactory;
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import org.xmlpull.v1.XmlPullParser;
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import org.igniterealtime.jbosh.AbstractBody;
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import org.igniterealtime.jbosh.BOSHClientResponseListener;
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import org.igniterealtime.jbosh.BOSHMessageEvent;
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import org.igniterealtime.jbosh.BodyQName;
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import org.igniterealtime.jbosh.ComposableBody;
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/**
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* Listens for XML traffic from the BOSH connection manager and parses it into
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* packet objects.
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*
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* @author Guenther Niess
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*/
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public class BOSHPacketReader implements BOSHClientResponseListener {
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private XMPPBOSHConnection connection;
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/**
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* Create a packet reader which listen on a BOSHConnection for received
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* HTTP responses, parse the packets and notifies the connection.
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*
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* @param connection the corresponding connection for the received packets.
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*/
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public BOSHPacketReader(XMPPBOSHConnection connection) {
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this.connection = connection;
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}
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/**
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* Parse the received packets and notify the corresponding connection.
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*
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* @param event the BOSH client response which includes the received packet.
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*/
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public void responseReceived(BOSHMessageEvent event) {
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AbstractBody body = event.getBody();
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if (body != null) {
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try {
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if (connection.sessionID == null) {
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connection.sessionID = body.getAttribute(BodyQName.create(XMPPBOSHConnection.BOSH_URI, "sid"));
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}
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if (connection.authID == null) {
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connection.authID = body.getAttribute(BodyQName.create(XMPPBOSHConnection.BOSH_URI, "authid"));
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}
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final XmlPullParser parser = XmlPullParserFactory.newInstance().newPullParser();
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parser.setFeature(XmlPullParser.FEATURE_PROCESS_NAMESPACES,
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true);
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parser.setInput(new StringReader(body.toXML()));
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int eventType = parser.getEventType();
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do {
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eventType = parser.next();
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if (eventType == XmlPullParser.START_TAG) {
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Packet packet = PacketParserUtils.parseStanza(parser, connection);
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if (packet != null) {
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connection.processPacket(packet);
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// TODO call connection.reportStanzaReceived here
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} else if (parser.getName().equals("challenge")) {
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// The server is challenging the SASL authentication
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// made by the client
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final String challengeData = parser.nextText();
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connection.getSASLAuthentication()
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.challengeReceived(challengeData);
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} else if (parser.getName().equals("success")) {
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connection.send(ComposableBody.builder()
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.setNamespaceDefinition("xmpp", XMPPBOSHConnection.XMPP_BOSH_NS)
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.setAttribute(
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BodyQName.createWithPrefix(XMPPBOSHConnection.XMPP_BOSH_NS, "restart", "xmpp"),
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"true")
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.setAttribute(
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BodyQName.create(XMPPBOSHConnection.BOSH_URI, "to"),
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connection.getServiceName())
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.build());
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Success success = new Success(parser.nextText());
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connection.getSASLAuthentication().authenticated(success);
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} else if (parser.getName().equals("features")) {
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parseFeatures(parser);
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} else if (parser.getName().equals("failure")) {
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if ("urn:ietf:params:xml:ns:xmpp-sasl".equals(parser.getNamespace(null))) {
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final SASLFailure failure = PacketParserUtils.parseSASLFailure(parser);
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connection.getSASLAuthentication().authenticationFailed(failure);
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}
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} else if (parser.getName().equals("error")) {
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throw new StreamErrorException(PacketParserUtils.parseStreamError(parser));
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}
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}
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} while (eventType != XmlPullParser.END_DOCUMENT);
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}
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catch (Exception e) {
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if (connection.isConnected()) {
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connection.notifyConnectionError(e);
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}
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}
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}
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}
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private void parseFeatures(XmlPullParser parser) throws Exception {
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connection.parseFeatures0(parser);
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}
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}
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@ -20,6 +20,7 @@ package org.jivesoftware.smack.bosh;
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import java.io.IOException;
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import java.io.PipedReader;
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import java.io.PipedWriter;
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import java.io.StringReader;
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import java.io.Writer;
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import java.util.logging.Level;
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import java.util.logging.Logger;
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@ -30,18 +31,25 @@ import org.jivesoftware.smack.AbstractXMPPConnection;
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import org.jivesoftware.smack.SmackException;
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import org.jivesoftware.smack.SmackException.NotConnectedException;
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import org.jivesoftware.smack.SmackException.ConnectionException;
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import org.jivesoftware.smack.SASLAuthentication;
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import org.jivesoftware.smack.XMPPException.StreamErrorException;
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import org.jivesoftware.smack.XMPPConnection;
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import org.jivesoftware.smack.ConnectionCreationListener;
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import org.jivesoftware.smack.ConnectionListener;
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import org.jivesoftware.smack.Roster;
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import org.jivesoftware.smack.XMPPException;
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import org.jivesoftware.smack.packet.Element;
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import org.jivesoftware.smack.packet.IQ;
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import org.jivesoftware.smack.packet.Message;
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import org.jivesoftware.smack.packet.Packet;
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import org.jivesoftware.smack.packet.PlainStreamElement;
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import org.jivesoftware.smack.packet.Presence;
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import org.jivesoftware.smack.packet.Presence.Type;
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import org.jivesoftware.smack.sasl.packet.SaslStreamElements.SASLFailure;
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import org.jivesoftware.smack.sasl.packet.SaslStreamElements.Success;
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import org.jivesoftware.smack.util.PacketParserUtils;
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import org.xmlpull.v1.XmlPullParser;
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import org.xmlpull.v1.XmlPullParserFactory;
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import org.igniterealtime.jbosh.AbstractBody;
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import org.igniterealtime.jbosh.BOSHClient;
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import org.igniterealtime.jbosh.BOSHClientConfig;
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import org.igniterealtime.jbosh.BOSHClientConnEvent;
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@ -154,7 +162,7 @@ public class XMPPBOSHConnection extends AbstractXMPPConnection {
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client = BOSHClient.create(cfgBuilder.build());
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client.addBOSHClientConnListener(new BOSHConnectionListener(this));
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client.addBOSHClientResponseListener(new BOSHPacketReader(this));
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client.addBOSHClientResponseListener(new BOSHPacketReader());
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// Initialize the debugger
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if (config.isDebuggerEnabled()) {
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@ -443,20 +451,6 @@ public class XMPPBOSHConnection extends AbstractXMPPConnection {
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callConnectionClosedOnErrorListener(e);
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}
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@Override
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protected void processPacket(Packet packet) {
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super.processPacket(packet);
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}
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@Override
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protected SASLAuthentication getSASLAuthentication() {
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return super.getSASLAuthentication();
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}
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void parseFeatures0(XmlPullParser parser) throws Exception {
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parseFeatures(parser);
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}
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/**
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* A listener class which listen for a successfully established connection
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* and connection errors and notifies the BOSHConnection.
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@ -525,4 +519,82 @@ public class XMPPBOSHConnection extends AbstractXMPPConnection {
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}
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}
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}
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/**
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* Listens for XML traffic from the BOSH connection manager and parses it into
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* packet objects.
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*
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* @author Guenther Niess
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*/
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private class BOSHPacketReader implements BOSHClientResponseListener {
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/**
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* Parse the received packets and notify the corresponding connection.
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*
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* @param event the BOSH client response which includes the received packet.
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*/
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public void responseReceived(BOSHMessageEvent event) {
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AbstractBody body = event.getBody();
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if (body != null) {
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try {
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if (sessionID == null) {
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sessionID = body.getAttribute(BodyQName.create(XMPPBOSHConnection.BOSH_URI, "sid"));
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}
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if (authID == null) {
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authID = body.getAttribute(BodyQName.create(XMPPBOSHConnection.BOSH_URI, "authid"));
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}
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final XmlPullParser parser = XmlPullParserFactory.newInstance().newPullParser();
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parser.setFeature(XmlPullParser.FEATURE_PROCESS_NAMESPACES, true);
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parser.setInput(new StringReader(body.toXML()));
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int eventType = parser.getEventType();
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do {
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eventType = parser.next();
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switch (eventType) {
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case XmlPullParser.START_TAG:
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String name = parser.getName();
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switch (name) {
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case Message.ELEMENT:
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case IQ.ELEMENT:
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case Presence.ELEMENT:
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parseAndProcessStanza(parser);
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break;
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case "challenge":
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// The server is challenging the SASL authentication
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// made by the client
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final String challengeData = parser.nextText();
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getSASLAuthentication().challengeReceived(challengeData);
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break;
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case "success":
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send(ComposableBody.builder().setNamespaceDefinition("xmpp",
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XMPPBOSHConnection.XMPP_BOSH_NS).setAttribute(
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BodyQName.createWithPrefix(XMPPBOSHConnection.XMPP_BOSH_NS, "restart",
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"xmpp"), "true").setAttribute(
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BodyQName.create(XMPPBOSHConnection.BOSH_URI, "to"), getServiceName()).build());
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Success success = new Success(parser.nextText());
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getSASLAuthentication().authenticated(success);
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case "features":
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parseFeatures(parser);
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break;
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case "failure":
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if ("urn:ietf:params:xml:ns:xmpp-sasl".equals(parser.getNamespace(null))) {
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final SASLFailure failure = PacketParserUtils.parseSASLFailure(parser);
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getSASLAuthentication().authenticationFailed(failure);
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}
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break;
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case "error":
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throw new StreamErrorException(PacketParserUtils.parseStreamError(parser));
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}
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break;
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}
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}
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while (eventType != XmlPullParser.END_DOCUMENT);
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}
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catch (Exception e) {
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if (isConnected()) {
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notifyConnectionError(e);
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}
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}
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}
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}
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}
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}
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