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https://codeberg.org/Mercury-IM/Smack
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git-svn-id: http://svn.igniterealtime.org/svn/repos/smack/trunk@10852 b35dd754-fafc-0310-a699-88a17e54d16e
266 lines
7.9 KiB
Java
266 lines
7.9 KiB
Java
/**
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* $RCSfile: JingleTransportProvider.java,v $
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* $Revision: 1.1 $
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* $Date: 2007/07/02 17:41:11 $
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*
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* Copyright 2003-2005 Jive Software.
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*
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* All rights reserved. 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.smackx.provider;
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import org.jivesoftware.smack.packet.PacketExtension;
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import org.jivesoftware.smack.provider.PacketExtensionProvider;
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import org.jivesoftware.smackx.jingle.nat.ICECandidate;
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import org.jivesoftware.smackx.jingle.nat.TransportCandidate;
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import org.jivesoftware.smackx.packet.JingleTransport;
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import org.jivesoftware.smackx.packet.JingleTransport.JingleTransportCandidate;
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import org.xmlpull.v1.XmlPullParser;
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/**
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* Provider for a Jingle transport element
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*
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* @author Alvaro Saurin <alvaro.saurin@gmail.com>
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*/
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public abstract class JingleTransportProvider implements PacketExtensionProvider {
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/**
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* Creates a new provider. ProviderManager requires that every
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* PacketExtensionProvider has a public, no-argument constructor
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*/
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public JingleTransportProvider() {
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super();
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}
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/**
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* Obtain the corresponding TransportNegotiator instance.
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*
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* @return a new TransportNegotiator instance
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*/
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protected JingleTransport getInstance() {
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return new JingleTransport();
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}
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/**
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* Parse a iq/jingle/transport element.
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*
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* @param parser the structure to parse
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* @return a transport element.
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* @throws Exception
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*/
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public PacketExtension parseExtension(final XmlPullParser parser) throws Exception {
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boolean done = false;
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JingleTransport trans = getInstance();
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while (!done) {
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int eventType = parser.next();
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String name = parser.getName();
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if (eventType == XmlPullParser.START_TAG) {
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if (name.equals(JingleTransportCandidate.NODENAME)) {
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JingleTransportCandidate jtc = parseCandidate(parser);
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if (jtc != null) trans.addCandidate(jtc);
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}
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else {
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throw new Exception("Unknown tag \"" + name + "\" in transport element.");
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}
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}
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else if (eventType == XmlPullParser.END_TAG) {
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if (name.equals(JingleTransport.NODENAME)) {
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done = true;
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}
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}
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}
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return trans;
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}
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protected abstract JingleTransportCandidate parseCandidate(final XmlPullParser parser)
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throws Exception;
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/**
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* RTP-ICE profile
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*/
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public static class Ice extends JingleTransportProvider {
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/**
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* Defauls constructor.
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*/
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public Ice() {
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super();
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}
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/**
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* Obtain the corresponding TransportNegotiator.Ice instance.
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*
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* @return a new TransportNegotiator.Ice instance
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*/
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protected JingleTransport getInstance() {
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return new JingleTransport.Ice();
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}
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/**
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* Parse a iq/jingle/transport/candidate element.
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*
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* @param parser the structure to parse
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* @return a candidate element
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* @throws Exception
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*/
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protected JingleTransportCandidate parseCandidate(XmlPullParser parser) throws Exception {
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ICECandidate mt = new ICECandidate();
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String channel = parser.getAttributeValue("", "channel");
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String generation = parser.getAttributeValue("", "generation");
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String ip = parser.getAttributeValue("", "ip");
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String name = parser.getAttributeValue("", "name");
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String network = parser.getAttributeValue("", "network");
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String username = parser.getAttributeValue("", "username");
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String password = parser.getAttributeValue("", "password");
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String port = parser.getAttributeValue("", "port");
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String preference = parser.getAttributeValue("", "preference");
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String proto = parser.getAttributeValue("", "proto");
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String type = parser.getAttributeValue("", "type");
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if (channel != null) {
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mt.setChannel(new TransportCandidate.Channel(channel));
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}
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if (generation != null) {
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try {
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mt.setGeneration(Integer.parseInt(generation));
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}
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catch (Exception e) {
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}
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}
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if (ip != null) {
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mt.setIp(ip);
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}
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else {
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return null;
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}
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if (name != null) {
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mt.setName(name);
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}
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if (network != null) {
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try {
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mt.setNetwork(Integer.parseInt(network));
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}
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catch (Exception e) {
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}
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}
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if (username != null) {
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mt.setUsername(username);
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}
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if (password != null) {
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mt.setPassword(password);
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}
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if (port != null) {
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try {
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mt.setPort(Integer.parseInt(port));
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}
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catch (Exception e) {
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}
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}
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if (preference != null) {
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try {
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mt.setPreference(Integer.parseInt(preference));
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}
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catch (Exception e) {
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}
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}
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if (proto != null) {
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mt.setProto(new TransportCandidate.Protocol(proto));
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}
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if (type != null) {
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mt.setType(ICECandidate.Type.valueOf(type));
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}
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return new JingleTransport.Ice.Candidate(mt);
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}
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}
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/**
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* Raw UDP profile
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*/
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public static class RawUdp extends JingleTransportProvider {
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/**
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* Defauls constructor.
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*/
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public RawUdp() {
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super();
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}
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/**
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* Obtain the corresponding TransportNegotiator.RawUdp instance.
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*
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* @return a new TransportNegotiator.RawUdp instance
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*/
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protected JingleTransport getInstance() {
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return new JingleTransport.RawUdp();
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}
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/**
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* Parse a iq/jingle/transport/candidate element.
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*
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* @param parser the structure to parse
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* @return a candidate element
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* @throws Exception
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*/
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protected JingleTransportCandidate parseCandidate(XmlPullParser parser) throws Exception {
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TransportCandidate.Fixed mt = new TransportCandidate.Fixed();
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String generation = parser.getAttributeValue("", "generation");
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String ip = parser.getAttributeValue("", "ip");
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String name = parser.getAttributeValue("", "name");
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String port = parser.getAttributeValue("", "port");
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//LOGGER.debug();
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if (generation != null) {
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try {
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mt.setGeneration(Integer.parseInt(generation));
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}
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catch (Exception e) {
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}
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}
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if (ip != null) {
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mt.setIp(ip);
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}
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if (name != null) {
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mt.setName(name);
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}
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if (port != null) {
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try {
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mt.setPort(Integer.parseInt(port));
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}
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catch (Exception e) {
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}
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}
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return new JingleTransport.RawUdp.Candidate(mt);
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}
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}
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}
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