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      1 /**
      2  * All rights reserved. Licensed under the Apache License, Version 2.0 (the "License");
      3  * you may not use this file except in compliance with the License.
      4  * You may obtain a copy of the License at
      5  *
      6  *     http://www.apache.org/licenses/LICENSE-2.0
      7  *
      8  * Unless required by applicable law or agreed to in writing, software
      9  * distributed under the License is distributed on an "AS IS" BASIS,
     10  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
     11  * See the License for the specific language governing permissions and
     12  * limitations under the License.
     13  */
     14 package org.jivesoftware.smackx.bytestreams.socks5.provider;
     15 
     16 import org.jivesoftware.smack.packet.IQ;
     17 import org.jivesoftware.smack.provider.IQProvider;
     18 import org.jivesoftware.smackx.bytestreams.socks5.packet.Bytestream;
     19 import org.xmlpull.v1.XmlPullParser;
     20 
     21 /**
     22  * Parses a bytestream packet.
     23  *
     24  * @author Alexander Wenckus
     25  */
     26 public class BytestreamsProvider implements IQProvider {
     27 
     28     public IQ parseIQ(XmlPullParser parser) throws Exception {
     29         boolean done = false;
     30 
     31         Bytestream toReturn = new Bytestream();
     32 
     33         String id = parser.getAttributeValue("", "sid");
     34         String mode = parser.getAttributeValue("", "mode");
     35 
     36         // streamhost
     37         String JID = null;
     38         String host = null;
     39         String port = null;
     40 
     41         int eventType;
     42         String elementName;
     43         while (!done) {
     44             eventType = parser.next();
     45             elementName = parser.getName();
     46             if (eventType == XmlPullParser.START_TAG) {
     47                 if (elementName.equals(Bytestream.StreamHost.ELEMENTNAME)) {
     48                     JID = parser.getAttributeValue("", "jid");
     49                     host = parser.getAttributeValue("", "host");
     50                     port = parser.getAttributeValue("", "port");
     51                 }
     52                 else if (elementName.equals(Bytestream.StreamHostUsed.ELEMENTNAME)) {
     53                     toReturn.setUsedHost(parser.getAttributeValue("", "jid"));
     54                 }
     55                 else if (elementName.equals(Bytestream.Activate.ELEMENTNAME)) {
     56                     toReturn.setToActivate(parser.getAttributeValue("", "jid"));
     57                 }
     58             }
     59             else if (eventType == XmlPullParser.END_TAG) {
     60                 if (elementName.equals("streamhost")) {
     61                     if (port == null) {
     62                         toReturn.addStreamHost(JID, host);
     63                     }
     64                     else {
     65                         toReturn.addStreamHost(JID, host, Integer.parseInt(port));
     66                     }
     67                     JID = null;
     68                     host = null;
     69                     port = null;
     70                 }
     71                 else if (elementName.equals("query")) {
     72                     done = true;
     73                 }
     74             }
     75         }
     76 
     77         toReturn.setMode((Bytestream.Mode.fromName(mode)));
     78         toReturn.setSessionID(id);
     79         return toReturn;
     80     }
     81 
     82 }
     83