org.jivesoftware.smackx.bytestreams.ibb.DataListener Maven / Gradle / Ivy
/**
* All rights reserved. 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.PacketListener;
import org.jivesoftware.smack.filter.AndFilter;
import org.jivesoftware.smack.filter.PacketFilter;
import org.jivesoftware.smack.filter.PacketTypeFilter;
import org.jivesoftware.smack.packet.Packet;
import org.jivesoftware.smackx.bytestreams.ibb.packet.Data;
/**
* DataListener handles all In-Band Bytestream IQ stanzas containing a data
* packet extension that don't belong to an existing session.
*
* If a data packet is received it looks if a stored In-Band Bytestream session
* exists. If no session with the given session ID exists an
* <item-not-found/> error is returned to the sender.
*
* 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 implements PacketListener {
/* manager containing the listeners and the XMPP connection */
private final InBandBytestreamManager manager;
/* packet filter for all In-Band Bytestream data packets */
private final PacketFilter dataFilter = new AndFilter(
new PacketTypeFilter(Data.class));
/**
* Constructor.
*
* @param manager the In-Band Bytestream manager
*/
public DataListener(InBandBytestreamManager manager) {
this.manager = manager;
}
public void processPacket(Packet packet) {
Data data = (Data) packet;
InBandBytestreamSession ibbSession = this.manager.getSessions().get(
data.getDataPacketExtension().getSessionID());
if (ibbSession == null) {
this.manager.replyItemNotFoundPacket(data);
}
}
/**
* Returns the packet filter for In-Band Bytestream data packets.
*
* @return the packet filter for In-Band Bytestream data packets
*/
protected PacketFilter getFilter() {
return this.dataFilter;
}
}