Smack/smack-extensions/src/main/java/org/jivesoftware/smackx/jingle/transport/jingle_s5b/provider/JingleS5BTransportProvider....

126 lines
6.1 KiB
Java

/**
*
* Copyright 2017 Paul Schaub
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.jivesoftware.smackx.jingle.transport.jingle_s5b.provider;
import static org.jivesoftware.smackx.bytestreams.socks5.packet.Bytestream.Mode.tcp;
import static org.jivesoftware.smackx.bytestreams.socks5.packet.Bytestream.Mode.udp;
import static org.jivesoftware.smackx.jingle.transport.jingle_s5b.element.JingleS5BTransportCandidateElement.ATTR_CID;
import static org.jivesoftware.smackx.jingle.transport.jingle_s5b.element.JingleS5BTransportCandidateElement.ATTR_HOST;
import static org.jivesoftware.smackx.jingle.transport.jingle_s5b.element.JingleS5BTransportCandidateElement.ATTR_JID;
import static org.jivesoftware.smackx.jingle.transport.jingle_s5b.element.JingleS5BTransportCandidateElement.ATTR_PORT;
import static org.jivesoftware.smackx.jingle.transport.jingle_s5b.element.JingleS5BTransportCandidateElement.ATTR_PRIORITY;
import static org.jivesoftware.smackx.jingle.transport.jingle_s5b.element.JingleS5BTransportCandidateElement.ATTR_TYPE;
import static org.xmlpull.v1.XmlPullParser.END_TAG;
import static org.xmlpull.v1.XmlPullParser.START_TAG;
import org.jivesoftware.smackx.jingle.element.JingleContentTransportElement;
import org.jivesoftware.smackx.jingle.provider.JingleContentTransportProvider;
import org.jivesoftware.smackx.jingle.transport.jingle_s5b.JingleS5BTransport;
import org.jivesoftware.smackx.jingle.transport.jingle_s5b.element.JingleS5BTransportCandidateElement;
import org.jivesoftware.smackx.jingle.transport.jingle_s5b.element.JingleS5BTransportElement;
import org.jivesoftware.smackx.jingle.transport.jingle_s5b.element.JingleS5BTransportInfoElement;
import org.xmlpull.v1.XmlPullParser;
/**
* Provider for JingleSocks5BytestreamTransport elements.
*/
public class JingleS5BTransportProvider extends JingleContentTransportProvider<JingleS5BTransportElement> {
@Override
public JingleS5BTransportElement parse(XmlPullParser parser, int initialDepth) throws Exception {
JingleS5BTransportElement.Builder builder = JingleS5BTransportElement.getBuilder();
String streamId = parser.getAttributeValue(null, JingleS5BTransportElement.ATTR_SID);
builder.setStreamId(streamId);
String dstAddr = parser.getAttributeValue(null, JingleS5BTransportElement.ATTR_DSTADDR);
builder.setDestinationAddress(dstAddr);
String mode = parser.getAttributeValue(null, JingleS5BTransportElement.ATTR_MODE);
if (mode != null) {
builder.setMode(mode.equals(udp.toString()) ? udp : tcp);
}
JingleS5BTransportCandidateElement.Builder cb;
outerloop: while (true) {
int tag = parser.nextTag();
String name = parser.getName();
switch (tag) {
case START_TAG: {
switch (name) {
case JingleS5BTransportCandidateElement.ELEMENT:
cb = JingleS5BTransportCandidateElement.getBuilder();
cb.setCandidateId(parser.getAttributeValue(null, ATTR_CID));
cb.setHost(parser.getAttributeValue(null, ATTR_HOST));
cb.setJid(parser.getAttributeValue(null, ATTR_JID));
cb.setPriority(Integer.parseInt(parser.getAttributeValue(null, ATTR_PRIORITY)));
String portString = parser.getAttributeValue(null, ATTR_PORT);
if (portString != null) {
cb.setPort(Integer.parseInt(portString));
}
String typeString = parser.getAttributeValue(null, ATTR_TYPE);
if (typeString != null) {
cb.setType(JingleS5BTransportCandidateElement.Type.fromString(typeString));
}
builder.addTransportCandidate(cb.build());
break;
case JingleS5BTransportInfoElement.CandidateActivated.ELEMENT:
builder.setTransportInfo(new JingleS5BTransportInfoElement.CandidateActivated(
parser.getAttributeValue(null,
JingleS5BTransportInfoElement.JingleS5BCandidateTransportInfoElement.ATTR_CID)));
break;
case JingleS5BTransportInfoElement.CandidateUsed.ELEMENT:
builder.setTransportInfo(new JingleS5BTransportInfoElement.CandidateUsed(
parser.getAttributeValue(null,
JingleS5BTransportInfoElement.JingleS5BCandidateTransportInfoElement.ATTR_CID)));
break;
case JingleS5BTransportInfoElement.CandidateError.ELEMENT:
builder.setTransportInfo(JingleS5BTransportInfoElement.CandidateError.INSTANCE);
break;
case JingleS5BTransportInfoElement.ProxyError.ELEMENT:
builder.setTransportInfo(JingleS5BTransportInfoElement.ProxyError.INSTANCE);
break;
}
}
break;
case END_TAG: {
switch (name) {
case JingleContentTransportElement.ELEMENT:
break outerloop;
}
}
}
}
return builder.build();
}
@Override
public String getNamespace() {
return JingleS5BTransport.NAMESPACE;
}
}