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

82 lines
2.4 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_filetransfer.handler;
import org.jivesoftware.smack.SmackException;
import org.jivesoftware.smack.XMPPException;
import org.jivesoftware.smackx.jingle3.element.JingleReasonElement;
/**
* Handler that provides some control over the JingleFileOffer session.
*/
public interface FileTransferHandler {
/**
* Cancels the current file transfer.
*/
void cancel() throws InterruptedException, XMPPException.XMPPErrorException, SmackException.NotConnectedException, SmackException.NoResponseException;
/**
* Returns true, if the file transfer is ended.
* @return true if transfer ended.
*/
boolean isFinished();
/**
* Returns true, if the file transfer is started.
* @return true if started.
*/
boolean isStarted();
/**
* Add a new FinishedListener.
* @param listener listener
*/
void addEndedListener(EndedListener listener);
/**
* Add a new AcceptedListener.
* @param listener listener
*/
void addStartedListener(StartedListener listener);
/**
* Notify all registered FinishedListeners that the file transfer has ended.
*/
void notifyEndedListeners(JingleReasonElement.Reason reason);
/**
* Notify all registered AcceptedListeners that the file transfer session has been accepted by the remote user.
*/
void notifyStartedListeners();
/**
* A FinishedListener will be notified by the SendFileHandler when the corresponding file transfer is ended.
*/
interface EndedListener {
void onEnded(JingleReasonElement.Reason reason);
}
/**
* An AcceptedListener will be notified by the SendFileHandler when the corresponding pending session has been
* accepted by the remote user.
*/
interface StartedListener {
void onStarted();
}
}