More progress

smack-experimental/src/main/java/org/jivesoftware/smackx/jingle_filetransfer/JingleFileTransferManager.java

@@ -32,10 +32,14 @@ import org.jivesoftware.smackx.jingle.JingleSessionHandler;
 import org.jivesoftware.smackx.jingle.element.Jingle;
 import org.jivesoftware.smackx.jingle.element.JingleAction;
 import org.jivesoftware.smackx.jingle.element.JingleContent;
-import org.jivesoftware.smackx.jingle.element.JingleContentDescriptionPayloadType;
+import org.jivesoftware.smackx.jingle.element.JingleContentDescriptionPayloadElement;
+import org.jivesoftware.smackx.jingle.element.JingleContentTransport;
 import org.jivesoftware.smackx.jingle.provider.JingleContentProviderManager;
+import org.jivesoftware.smackx.jingle_filetransfer.callback.IncomingJingleFileTransferCallback;
 import org.jivesoftware.smackx.jingle_filetransfer.element.JingleContentDescriptionFileTransfer;
-import org.jivesoftware.smackx.jingle_filetransfer.element.JingleFileTransferPayload;
+import org.jivesoftware.smackx.jingle_filetransfer.element.JingleFileTransferPayloadElement;
+import org.jivesoftware.smackx.jingle_filetransfer.handler.FileOfferHandler;
+import org.jivesoftware.smackx.jingle_filetransfer.handler.FileRequestHandler;
 import org.jivesoftware.smackx.jingle_filetransfer.listener.IncomingJingleFileTransferListener;
 import org.jivesoftware.smackx.jingle_filetransfer.provider.JingleContentDescriptionFileTransferProvider;
 import org.jivesoftware.smackx.jingle_ibb.JingleInBandByteStreamManager;
@@ -56,7 +60,7 @@ import java.util.logging.Logger;
  *
  * @author Paul Schaub
  */
-public final class JingleFileTransferManager extends Manager implements JingleHandler {
+public final class JingleFileTransferManager extends Manager implements JingleHandler, FileOfferHandler, FileRequestHandler {
 
     private static final Logger LOGGER = Logger.getLogger(JingleFileTransferManager.class.getName());
 
@@ -106,10 +110,12 @@ public final class JingleFileTransferManager extends Manager implements JingleHa
         incomingJingleFileTransferListeners.remove(listener);
     }
 
-    public JingleFileTransferPayload createPayloadFromFile(File file) {
+    public JingleFileTransferPayloadElement.Builder fileTransferPayloadBuilderFromFile(File file) {
-        JingleFileTransferPayload.Builder payloadBuilder = JingleFileTransferPayload.getBuilder();
+        JingleFileTransferPayloadElement.Builder payloadBuilder = JingleFileTransferPayloadElement.getBuilder();
-
+        payloadBuilder.setDate(new Date(file.lastModified()));
-        return payloadBuilder.build();
+        payloadBuilder.setName(file.getAbsolutePath().substring(file.getAbsolutePath().lastIndexOf(File.pathSeparator) + 1));
+        payloadBuilder.setSize((int) file.length());
+        return payloadBuilder;
     }
 
     /**
@@ -120,10 +126,10 @@ public final class JingleFileTransferManager extends Manager implements JingleHa
         final byte[] bytes = new byte[(int) file.length()];
         HashElement hashElement = FileAndHashReader.readAndCalculateHash(file, bytes, HashManager.ALGORITHM.SHA_256);
         Date lastModified = new Date(file.lastModified());
-        JingleFileTransferPayload payload = new JingleFileTransferPayload(
+        JingleFileTransferPayloadElement payload = new JingleFileTransferPayloadElement(
                 lastModified, "A file", hashElement,
                 "application/octet-stream", file.getName(), (int) file.length(), null);
-        ArrayList<JingleContentDescriptionPayloadType> payloadTypes = new ArrayList<>();
+        ArrayList<JingleContentDescriptionPayloadElement> payloadTypes = new ArrayList<>();
         payloadTypes.add(payload);
 
         JingleContentDescriptionFileTransfer descriptionFileTransfer = new JingleContentDescriptionFileTransfer(payloadTypes);
@@ -192,17 +198,17 @@ public final class JingleFileTransferManager extends Manager implements JingleHa
                 case session_initiate:
                     // File Offer
                     if (content.getSenders() == JingleContent.Senders.initiator) {
-
+                        handleFileOffer(jingle);
                     }
                     //File Request
                     else if (content.getSenders() == JingleContent.Senders.responder) {
-
+                        return handleFileRequest(jingle);
                     }
                     //Both or none
                     else {
                         throw new AssertionError("Undefined (see XEP-0234 §4.1)");
                     }
-                    break;
+                    //break;
                 case session_terminate:
                 case transport_accept:
                 case transport_info:
@@ -212,4 +218,53 @@ public final class JingleFileTransferManager extends Manager implements JingleHa
         }
         return null;
     }
+
+    @Override
+    public void handleFileOffer(final Jingle jingle) {
+        IncomingJingleFileTransferCallback callback = new IncomingJingleFileTransferCallback() {
+            @Override
+            public void acceptFileTransfer(File target) throws SmackException.NotConnectedException, InterruptedException {
+                JingleContent content = jingle.getContents().get(0);
+
+                //TODO: Find more suitable way to select transport methods.
+                JingleContentTransport preferredTransport = null;
+                for (JingleContentTransport t : content.getJingleTransports()) {
+                    if (t.getNamespace().equals(JingleInBandByteStreamManager.NAMESPACE_V1)) {
+                        preferredTransport = t;
+                    }
+                }
+
+                if (preferredTransport != null) {
+                    Jingle.Builder acceptBuilder = Jingle.getBuilder();
+                    acceptBuilder.setResponder(connection().getUser());
+                    acceptBuilder.setSessionId(jingle.getSid());
+                    acceptBuilder.setAction(JingleAction.session_accept);
+
+                    JingleContent.Builder contentBuilder = JingleContent.getBuilder();
+                    contentBuilder.setCreator(content.getCreator());
+                    contentBuilder.setName(content.getName());
+                    contentBuilder.setSenders(content.getSenders());
+                    contentBuilder.setDescription(content.getDescription());
+                    contentBuilder.addTransport(preferredTransport);
+
+                    acceptBuilder.addJingleContent(contentBuilder.build());
+                    connection().sendStanza(acceptBuilder.build());
+                }
+            }
+
+            @Override
+            public void cancelFileTransfer() {
+                // Tear down the session.
+            }
+        };
+
+        for (IncomingJingleFileTransferListener l : incomingJingleFileTransferListeners) {
+            l.onIncomingJingleFileTransfer(jingle, callback);
+        }
+    }
+
+    @Override
+    public IQ handleFileRequest(Jingle jingle) {
+        return null;
+    }
 }

smack-experimental/src/main/java/org/jivesoftware/smackx/jingle_filetransfer/JingleFileTransferSession.java

@@ -16,7 +16,12 @@
  */
 package org.jivesoftware.smackx.jingle_filetransfer;
 
+import org.jivesoftware.smack.packet.IQ;
 import org.jivesoftware.smackx.jingle.JingleSession;
+import org.jivesoftware.smackx.jingle.element.Jingle;
+import org.jivesoftware.smackx.jingle.element.JingleAction;
+import org.jivesoftware.smackx.jingle.element.JingleContent;
+import org.jivesoftware.smackx.jingle.element.JingleReason;
 import org.jxmpp.jid.Jid;
 
 /**
@@ -30,22 +35,45 @@ public class JingleFileTransferSession extends JingleSession {
 
     /**
      * A user might choose to abort all active transfers.
+     * @return Jingle IQ that will abort all active transfers of this session.
      */
-    public void abortAllActiveFileTransfers() {
+    IQ abortAllActiveFileTransfers() {
-
+        Jingle.Builder builder = Jingle.getBuilder();
+        builder.setResponder(getResponder().asFullJidOrThrow());
+        builder.setInitiator(getInitiator().asFullJidOrThrow());
+        builder.setAction(JingleAction.session_terminate);
+        builder.setSessionId(getSid());
+        builder.setReason(JingleReason.Reason.cancel);
+        return builder.build();
     }
 
     /**
      * A user might want to abort the transfer of a single file.
+     * @param content content which's transfer will be aborted.
+     * @return Jingle IQ that will abort the transfer of the given content.
      */
-    public void abortSingleFileTransfer() {
+    IQ abortSingleFileTransfer(JingleContent content) {
-
+        Jingle.Builder builder = Jingle.getBuilder();
+        builder.setResponder(getResponder().asFullJidOrThrow());
+        builder.setInitiator(getInitiator().asFullJidOrThrow());
+        builder.setAction(JingleAction.content_remove);
+        builder.setSessionId(getSid());
+        builder.addJingleContent(content);
+        builder.setReason(JingleReason.Reason.cancel);
+        return builder.build();
     }
 
     /**
      * Successfully end session after all files have been transferred.
+     * @return Jingle IQ that will end the session.
      */
-    void endSession() {
+    IQ endSession() {
-
+        Jingle.Builder builder = Jingle.getBuilder();
+        builder.setResponder(getResponder().asFullJidOrThrow());
+        builder.setInitiator(getInitiator().asFullJidOrThrow());
+        builder.setAction(JingleAction.session_terminate);
+        builder.setSessionId(getSid());
+        builder.setReason(JingleReason.Reason.success);
+        return builder.build();
     }
 }

smack-experimental/src/main/java/org/jivesoftware/smackx/jingle_filetransfer/callback/IncomingJingleFileTransferCallback.java

@@ -16,6 +16,8 @@
  */
 package org.jivesoftware.smackx.jingle_filetransfer.callback;
 
+import org.jivesoftware.smack.SmackException;
+
 import java.io.File;
 
 /**
@@ -23,7 +25,7 @@ import java.io.File;
  */
 public interface IncomingJingleFileTransferCallback {
 
-    void acceptFileTransfer(File target);
+    void acceptFileTransfer(File target) throws SmackException.NotConnectedException, InterruptedException;
 
     void cancelFileTransfer();
 }

smack-experimental/src/main/java/org/jivesoftware/smackx/jingle_filetransfer/element/Checksum.java

@@ -32,9 +32,9 @@ public class Checksum implements ExtensionElement {
 
     private final JingleContent.Creator creator;
     private final String name;
-    private JingleFileTransferPayload file;
+    private JingleFileTransferPayloadElement file;
 
-    public Checksum(JingleContent.Creator creator, String name, JingleFileTransferPayload file) {
+    public Checksum(JingleContent.Creator creator, String name, JingleFileTransferPayloadElement file) {
         this.creator = creator;
         this.name = name;
         Objects.requireNonNull(file.getHash(), "file MUST contain at least one hash element.");

smack-experimental/src/main/java/org/jivesoftware/smackx/jingle_filetransfer/element/JingleContentDescriptionFileTransfer.java

@@ -17,7 +17,7 @@
 package org.jivesoftware.smackx.jingle_filetransfer.element;
 
 import org.jivesoftware.smackx.jingle.element.JingleContentDescription;
-import org.jivesoftware.smackx.jingle.element.JingleContentDescriptionPayloadType;
+import org.jivesoftware.smackx.jingle.element.JingleContentDescriptionPayloadElement;
 import org.jivesoftware.smackx.jingle_filetransfer.JingleFileTransferManager;
 
 import java.util.List;
@@ -27,7 +27,7 @@ import java.util.List;
  */
 public class JingleContentDescriptionFileTransfer extends JingleContentDescription {
 
-    public JingleContentDescriptionFileTransfer(List<JingleContentDescriptionPayloadType> payloadTypes) {
+    public JingleContentDescriptionFileTransfer(List<JingleContentDescriptionPayloadElement> payloadTypes) {
         super(payloadTypes);
     }
 

smack-experimental/src/main/java/org/jivesoftware/smackx/jingle_filetransfer/element/JingleFileTransferPayloadElement.java

@@ -18,7 +18,7 @@ package org.jivesoftware.smackx.jingle_filetransfer.element;
 
 import org.jivesoftware.smack.util.XmlStringBuilder;
 import org.jivesoftware.smackx.hash.element.HashElement;
-import org.jivesoftware.smackx.jingle.element.JingleContentDescriptionPayloadType;
+import org.jivesoftware.smackx.jingle.element.JingleContentDescriptionPayloadElement;
 
 import java.io.File;
 import java.util.Date;
@@ -26,7 +26,7 @@ import java.util.Date;
 /**
  * Content of type File.
  */
-public class JingleFileTransferPayload extends JingleContentDescriptionPayloadType {
+public class JingleFileTransferPayloadElement extends JingleContentDescriptionPayloadElement {
     public static final String ELEMENT = "file";
     public static final String ELEM_DATE = "date";
     public static final String ELEM_DESC = "desc";
@@ -42,7 +42,7 @@ public class JingleFileTransferPayload extends JingleContentDescriptionPayloadTy
     private final int size;
     private final Range range;
 
-    public JingleFileTransferPayload(Date date, String desc, HashElement hash, String mediaType, String name, int size, Range range) {
+    public JingleFileTransferPayloadElement(Date date, String desc, HashElement hash, String mediaType, String name, int size, Range range) {
         this.date = date;
         this.desc = desc;
         this.hash = hash;
@@ -107,6 +107,11 @@ public class JingleFileTransferPayload extends JingleContentDescriptionPayloadTy
         return new Builder();
     }
 
+    @Override
+    public String getNamespace() {
+        return null;
+    }
+
     public static final class Builder {
         private Date date;
         private String desc;
@@ -154,8 +159,8 @@ public class JingleFileTransferPayload extends JingleContentDescriptionPayloadTy
             return this;
         }
 
-        public JingleFileTransferPayload build() {
+        public JingleFileTransferPayloadElement build() {
-            return new JingleFileTransferPayload(date, desc, hash, mediaType, name, size, range);
+            return new JingleFileTransferPayloadElement(date, desc, hash, mediaType, name, size, range);
         }
 
         public Builder setFile(File file) {

smack-experimental/src/main/java/org/jivesoftware/smackx/jingle_filetransfer/handler/FileOfferHandler.java

@@ -0,0 +1,10 @@
+package org.jivesoftware.smackx.jingle_filetransfer.handler;
+
+import org.jivesoftware.smackx.jingle.element.Jingle;
+
+/**
+ * Created by vanitas on 02.06.17.
+ */
+public interface FileOfferHandler {
+    void handleFileOffer(Jingle jingle);
+}

smack-experimental/src/main/java/org/jivesoftware/smackx/jingle_filetransfer/handler/FileRequestHandler.java

@@ -0,0 +1,12 @@
+package org.jivesoftware.smackx.jingle_filetransfer.handler;
+
+import org.jivesoftware.smack.packet.IQ;
+import org.jivesoftware.smackx.jingle.element.Jingle;
+
+/**
+ * Created by vanitas on 02.06.17.
+ */
+public interface FileRequestHandler {
+
+    IQ handleFileRequest(Jingle jingle);
+}

smack-experimental/src/main/java/org/jivesoftware/smackx/jingle_filetransfer/provider/JingleContentDescriptionFileTransferProvider.java

@@ -16,14 +16,10 @@
  */
 package org.jivesoftware.smackx.jingle_filetransfer.provider;
 
-import org.jivesoftware.smackx.hash.element.HashElement;
+import org.jivesoftware.smackx.jingle.element.JingleContentDescriptionPayloadElement;
-import org.jivesoftware.smackx.hash.provider.HashElementProvider;
-import org.jivesoftware.smackx.jingle.element.JingleContentDescriptionPayloadType;
 import org.jivesoftware.smackx.jingle.provider.JingleContentDescriptionProvider;
 import org.jivesoftware.smackx.jingle_filetransfer.element.JingleContentDescriptionFileTransfer;
-import org.jivesoftware.smackx.jingle_filetransfer.element.JingleFileTransferPayload;
+import org.jivesoftware.smackx.jingle_filetransfer.element.JingleFileTransferPayloadElement;
-import org.jivesoftware.smackx.jingle_filetransfer.element.Range;
-import org.jxmpp.util.XmppDateTime;
 import org.xmlpull.v1.XmlPullParser;
 
 import java.util.ArrayList;
@@ -38,85 +34,21 @@ public class JingleContentDescriptionFileTransferProvider
         extends JingleContentDescriptionProvider<JingleContentDescriptionFileTransfer> {
     @Override
     public JingleContentDescriptionFileTransfer parse(XmlPullParser parser, int initialDepth) throws Exception {
-
+        ArrayList<JingleContentDescriptionPayloadElement> payloads = new ArrayList<>();
-        boolean inRange = false;
-
-        JingleFileTransferPayload.Builder builder = JingleFileTransferPayload.getBuilder();
-        HashElement inRangeHash = null;
-
-        ArrayList<JingleContentDescriptionPayloadType> payloads = new ArrayList<>();
-
-        int offset = 0;
-        int length = -1;
-
         while (true) {
-
             int tag = parser.nextTag();
-            String elem = parser.getName();
+            String name = parser.getName();
 
             if (tag == START_TAG) {
-                switch (elem) {
+                switch (name) {
-
+                    case JingleFileTransferPayloadElement.ELEMENT:
-                    case JingleFileTransferPayload.ELEMENT:
+                        payloads.add(new JingleFileTransferPayloadProvider().parse(parser));
-                        builder = JingleFileTransferPayload.getBuilder();
-                        break;
-
-                    case JingleFileTransferPayload.ELEM_DATE:
-                        builder.setDate(XmppDateTime.parseXEP0082Date(parser.nextText()));
-                        break;
-
-                    case JingleFileTransferPayload.ELEM_DESC:
-                        builder.setDescription(parser.nextText());
-                        break;
-
-                    case JingleFileTransferPayload.ELEM_MEDIA_TYPE:
-                        builder.setMediaType(parser.nextText());
-                        break;
-
-                    case JingleFileTransferPayload.ELEM_NAME:
-                        builder.setName(parser.nextText());
-                        break;
-
-                    case JingleFileTransferPayload.ELEM_SIZE:
-                        builder.setSize(Integer.parseInt(parser.nextText()));
-                        break;
-
-                    case Range.ELEMENT:
-                        inRange = true;
-                        String offsetString = parser.getAttributeValue(null, Range.ATTR_OFFSET);
-                        String lengthString = parser.getAttributeValue(null, Range.ATTR_LENGTH);
-                        offset = (offsetString != null ? Integer.parseInt(offsetString) : 0);
-                        length = (lengthString != null ? Integer.parseInt(lengthString) : -1);
-
-                        if (parser.isEmptyElementTag()) {
-                            inRange = false;
-                            builder.setRange(new Range(offset, length));
-                        }
-                        break;
-
-                    case HashElement.ELEMENT:
-                        if (inRange) {
-                            inRangeHash = new HashElementProvider().parse(parser);
-                        } else {
-                            builder.setHash(new HashElementProvider().parse(parser));
-                        }
                         break;
                 }
+            }
 
-            } else if (tag == END_TAG) {
+            if (tag == END_TAG) {
-                switch (elem) {
+                if (name.equals(JingleContentDescriptionFileTransfer.ELEMENT)) {
-
-                    case Range.ELEMENT:
-                        inRange = false;
-                        builder.setRange(new Range(offset, length, inRangeHash));
-                        inRangeHash = null;
-                        break;
-
-                    case JingleFileTransferPayload.ELEMENT:
-                        payloads.add(builder.build());
-                        break;
-
-                    case JingleContentDescriptionFileTransfer.ELEMENT:
                     return new JingleContentDescriptionFileTransfer(payloads);
                 }
             }

smack-experimental/src/main/java/org/jivesoftware/smackx/jingle_filetransfer/provider/JingleFileTransferPayloadProvider.java

@@ -0,0 +1,108 @@
+/**
+ *
+ * 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_filetransfer.provider;
+
+import org.jivesoftware.smackx.hash.element.HashElement;
+import org.jivesoftware.smackx.hash.provider.HashElementProvider;
+import org.jivesoftware.smackx.jingle.provider.JingleContentDescriptionPayloadProvider;
+import org.jivesoftware.smackx.jingle_filetransfer.element.JingleFileTransferPayloadElement;
+import org.jivesoftware.smackx.jingle_filetransfer.element.Range;
+import org.jxmpp.util.XmppDateTime;
+import org.xmlpull.v1.XmlPullParser;
+
+import static org.xmlpull.v1.XmlPullParser.END_TAG;
+import static org.xmlpull.v1.XmlPullParser.START_TAG;
+
+/**
+ * Provider for JingleFileTransferPayloadElements.
+ */
+public class JingleFileTransferPayloadProvider extends JingleContentDescriptionPayloadProvider<JingleFileTransferPayloadElement> {
+
+    @Override
+    public JingleFileTransferPayloadElement parse(XmlPullParser parser, int initialDepth) throws Exception {
+        boolean inRange = false;
+        JingleFileTransferPayloadElement.Builder builder = JingleFileTransferPayloadElement.getBuilder();
+        HashElement inRangeHash = null;
+
+        int offset = 0;
+        int length = -1;
+
+        while (true) {
+
+            int tag = parser.nextTag();
+            String elem = parser.getName();
+
+            if (tag == START_TAG) {
+                switch (elem) {
+                    case JingleFileTransferPayloadElement.ELEM_DATE:
+                        builder.setDate(XmppDateTime.parseXEP0082Date(parser.nextText()));
+                        break;
+
+                    case JingleFileTransferPayloadElement.ELEM_DESC:
+                        builder.setDescription(parser.nextText());
+                        break;
+
+                    case JingleFileTransferPayloadElement.ELEM_MEDIA_TYPE:
+                        builder.setMediaType(parser.nextText());
+                        break;
+
+                    case JingleFileTransferPayloadElement.ELEM_NAME:
+                        builder.setName(parser.nextText());
+                        break;
+
+                    case JingleFileTransferPayloadElement.ELEM_SIZE:
+                        builder.setSize(Integer.parseInt(parser.nextText()));
+                        break;
+
+                    case Range.ELEMENT:
+                        inRange = true;
+                        String offsetString = parser.getAttributeValue(null, Range.ATTR_OFFSET);
+                        String lengthString = parser.getAttributeValue(null, Range.ATTR_LENGTH);
+                        offset = (offsetString != null ? Integer.parseInt(offsetString) : 0);
+                        length = (lengthString != null ? Integer.parseInt(lengthString) : -1);
+
+                        if (parser.isEmptyElementTag()) {
+                            inRange = false;
+                            builder.setRange(new Range(offset, length));
+                        }
+                        break;
+
+                    case HashElement.ELEMENT:
+                        if (inRange) {
+                            inRangeHash = new HashElementProvider().parse(parser);
+                        } else {
+                            builder.setHash(new HashElementProvider().parse(parser));
+                        }
+                        break;
+                }
+
+            } else if (tag == END_TAG) {
+                switch (elem) {
+
+                    case Range.ELEMENT:
+                        inRange = false;
+                        builder.setRange(new Range(offset, length, inRangeHash));
+                        inRangeHash = null;
+                        break;
+
+                    case JingleFileTransferPayloadElement.ELEMENT:
+                        return builder.build();
+                }
+            }
+        }
+    }
+}

smack-experimental/src/test/java/org/jivesoftware/smackx/jingle_filetransfer/JingleContentDescriptionFileTransferTest.java

@@ -21,8 +21,8 @@ import org.jivesoftware.smack.test.util.TestUtils;
 import org.jivesoftware.smackx.hash.HashManager;
 import org.jivesoftware.smackx.hash.element.HashElement;
 import org.jivesoftware.smackx.jingle.element.JingleContentDescription;
-import org.jivesoftware.smackx.jingle.element.JingleContentDescriptionPayloadType;
+import org.jivesoftware.smackx.jingle.element.JingleContentDescriptionPayloadElement;
-import org.jivesoftware.smackx.jingle_filetransfer.element.JingleFileTransferPayload;
+import org.jivesoftware.smackx.jingle_filetransfer.element.JingleFileTransferPayloadElement;
 import org.jivesoftware.smackx.jingle_filetransfer.element.JingleContentDescriptionFileTransfer;
 import org.jivesoftware.smackx.jingle_filetransfer.element.Range;
 import org.jivesoftware.smackx.jingle_filetransfer.provider.JingleContentDescriptionFileTransferProvider;
@@ -66,9 +66,9 @@ public class JingleContentDescriptionFileTransferTest extends SmackTestSuite {
         HashElement hashElement = new HashElement(algorithm, hashB64);
         Range range = new Range();
         Date date = XmppDateTime.parseDate(dateString);
-        JingleFileTransferPayload jingleFileTransferPayload = new JingleFileTransferPayload(date, descriptionString, hashElement, mediaTypeString, nameString, sizeInt, range);
+        JingleFileTransferPayloadElement jingleFileTransferPayloadElement = new JingleFileTransferPayloadElement(date, descriptionString, hashElement, mediaTypeString, nameString, sizeInt, range);
-        ArrayList<JingleContentDescriptionPayloadType> payloads = new ArrayList<>();
+        ArrayList<JingleContentDescriptionPayloadElement> payloads = new ArrayList<>();
-        payloads.add(jingleFileTransferPayload);
+        payloads.add(jingleFileTransferPayloadElement);
 
         JingleContentDescriptionFileTransfer descriptionFileTransfer =
                 new JingleContentDescriptionFileTransfer(payloads);
@@ -78,7 +78,7 @@ public class JingleContentDescriptionFileTransferTest extends SmackTestSuite {
                 .parse(TestUtils.getParser(xml));
         assertEquals(xml, parsed.toXML().toString());
 
-        JingleFileTransferPayload payload = (JingleFileTransferPayload) parsed.getJinglePayloadTypes().get(0);
+        JingleFileTransferPayloadElement payload = (JingleFileTransferPayloadElement) parsed.getJinglePayloadTypes().get(0);
         assertEquals(date, payload.getDate());
         assertEquals(descriptionString, payload.getDescription());
         assertEquals(mediaTypeString, payload.getMediaType());
@@ -107,8 +107,8 @@ public class JingleContentDescriptionFileTransferTest extends SmackTestSuite {
                         "</range>" +
                     "</file>" +
                 "</description>";
-        JingleFileTransferPayload payload = new JingleFileTransferPayload(null, null, null, null, null, -1, range);
+        JingleFileTransferPayloadElement payload = new JingleFileTransferPayloadElement(null, null, null, null, null, -1, range);
-        ArrayList<JingleContentDescriptionPayloadType> list = new ArrayList<>();
+        ArrayList<JingleContentDescriptionPayloadElement> list = new ArrayList<>();
         list.add(payload);
         JingleContentDescriptionFileTransfer fileTransfer = new JingleContentDescriptionFileTransfer(list);
         assertEquals(xml, fileTransfer.toXML().toString());

smack-experimental/src/test/java/org/jivesoftware/smackx/jingle_filetransfer/JingleFileTransferPayloadElementTest.java

@@ -29,7 +29,7 @@ import static junit.framework.TestCase.assertNull;
 /**
  * Test the JingleContentFile class.
  */
-public class JingleFileTransferPayloadTest extends SmackTestSuite {
+public class JingleFileTransferPayloadElementTest extends SmackTestSuite {
 
     @Test
     public void rangeTest() throws Exception {

smack-extensions/src/main/java/org/jivesoftware/smackx/jingle/JingleSession.java

@@ -41,6 +41,18 @@ public class JingleSession {
         return hashCode;
     }
 
+    public String getSid() {
+        return sid;
+    }
+
+    public Jid getInitiator() {
+        return initiator;
+    }
+
+    public Jid getResponder() {
+        return responder;
+    }
+
     @Override
     public boolean equals(Object other) {
         if (!(other instanceof JingleSession)) {

smack-extensions/src/main/java/org/jivesoftware/smackx/jingle/element/JingleContentDescription.java

@@ -30,9 +30,9 @@ public abstract class JingleContentDescription implements ExtensionElement {
 
     public static final String ELEMENT = "description";
 
-    private final List<JingleContentDescriptionPayloadType> payloads;
+    private final List<JingleContentDescriptionPayloadElement> payloads;
 
-    protected JingleContentDescription(List<JingleContentDescriptionPayloadType> payloads) {
+    protected JingleContentDescription(List<JingleContentDescriptionPayloadElement> payloads) {
         if (payloads != null) {
             this.payloads = Collections.unmodifiableList(payloads);
         }
@@ -46,7 +46,7 @@ public abstract class JingleContentDescription implements ExtensionElement {
         return ELEMENT;
     }
 
-    public List<JingleContentDescriptionPayloadType> getJinglePayloadTypes() {
+    public List<JingleContentDescriptionPayloadElement> getJinglePayloadTypes() {
         return payloads;
     }
 

smack-extensions/src/main/java/org/jivesoftware/smackx/jingle/element/JingleContentDescriptionPayloadElement.java

@@ -16,13 +16,13 @@
  */
 package org.jivesoftware.smackx.jingle.element;
 
-import org.jivesoftware.smack.packet.NamedElement;
+import org.jivesoftware.smack.packet.ExtensionElement;
 
 /**
  * An element found usually in 'description' elements.
  *
  */
-public abstract class JingleContentDescriptionPayloadType implements NamedElement {
+public abstract class JingleContentDescriptionPayloadElement implements ExtensionElement {
 
     public static final String ELEMENT = "payload-type";
 

smack-extensions/src/main/java/org/jivesoftware/smackx/jingle/provider/JingleContentDescriptionPayloadProvider.java

@@ -0,0 +1,31 @@
+/**
+ *
+ * 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.provider;
+
+import org.jivesoftware.smack.provider.ExtensionElementProvider;
+import org.jivesoftware.smackx.jingle.element.JingleContentDescriptionPayloadElement;
+import org.xmlpull.v1.XmlPullParser;
+
+/**
+ * Provider for JingleContentDescriptionPayloadElements.
+ */
+public abstract class JingleContentDescriptionPayloadProvider<D extends JingleContentDescriptionPayloadElement>
+                extends ExtensionElementProvider<D> {
+
+    @Override
+    public abstract D parse(XmlPullParser parser, int initialDepth) throws Exception;
+}