Smack/smack-extensions/src/main/java/org/jivesoftware/smackx/bytestreams/ibb/DataListener.java

74 lines
2.6 KiB
Java

/**
*
* Copyright the original author or authors
*
* 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.bytestreams.ibb;
import org.jivesoftware.smack.SmackException.NotConnectedException;
import org.jivesoftware.smack.iqrequest.AbstractIqRequestHandler;
import org.jivesoftware.smack.packet.IQ;
import org.jivesoftware.smackx.bytestreams.ibb.packet.Data;
import org.jivesoftware.smackx.bytestreams.ibb.packet.DataPacketExtension;
/**
* DataListener handles all In-Band Bytestream IQ stanzas containing a data
* stanza(/packet) extension that don't belong to an existing session.
* <p>
* If a data stanza(/packet) is received it looks if a stored In-Band Bytestream session
* exists. If no session with the given session ID exists an
* &lt;item-not-found/&gt; error is returned to the sender.
* <p>
* Data packets belonging to a running In-Band Bytestream session are processed
* by more specific listeners registered when an {@link InBandBytestreamSession}
* is created.
*
* @author Henning Staib
*/
class DataListener extends AbstractIqRequestHandler {
/* manager containing the listeners and the XMPP connection */
private final InBandBytestreamManager manager;
/**
* Constructor.
*
* @param manager the In-Band Bytestream manager
*/
public DataListener(InBandBytestreamManager manager) {
super(DataPacketExtension.ELEMENT, DataPacketExtension.NAMESPACE, IQ.Type.set, Mode.async);
this.manager = manager;
}
@Override
public IQ handleIQRequest(IQ iqRequest) {
Data data = (Data) iqRequest;
InBandBytestreamSession ibbSession = this.manager.getSessions().get(
data.getDataPacketExtension().getSessionID());
try {
if (ibbSession == null) {
this.manager.replyItemNotFoundPacket(data);
}
else {
ibbSession.processIQPacket(data);
}
}
catch (NotConnectedException | InterruptedException e) {
return null;
}
return null;
}
}