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74 lines
2.6 KiB
Java
74 lines
2.6 KiB
Java
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/**
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* All rights reserved. Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package org.jivesoftware.smackx.bytestreams.ibb;
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import org.jivesoftware.smack.PacketListener;
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import org.jivesoftware.smack.filter.AndFilter;
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import org.jivesoftware.smack.filter.PacketFilter;
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import org.jivesoftware.smack.filter.PacketTypeFilter;
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import org.jivesoftware.smack.packet.Packet;
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import org.jivesoftware.smackx.bytestreams.ibb.packet.Data;
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/**
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* DataListener handles all In-Band Bytestream IQ stanzas containing a data
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* packet extension that don't belong to an existing session.
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* <p>
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* If a data packet is received it looks if a stored In-Band Bytestream session
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* exists. If no session with the given session ID exists an
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* <item-not-found/> error is returned to the sender.
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* <p>
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* Data packets belonging to a running In-Band Bytestream session are processed
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* by more specific listeners registered when an {@link InBandBytestreamSession}
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* is created.
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*
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* @author Henning Staib
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*/
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class DataListener implements PacketListener {
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/* manager containing the listeners and the XMPP connection */
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private final InBandBytestreamManager manager;
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/* packet filter for all In-Band Bytestream data packets */
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private final PacketFilter dataFilter = new AndFilter(
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new PacketTypeFilter(Data.class));
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/**
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* Constructor.
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*
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* @param manager the In-Band Bytestream manager
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*/
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public DataListener(InBandBytestreamManager manager) {
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this.manager = manager;
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}
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public void processPacket(Packet packet) {
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Data data = (Data) packet;
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InBandBytestreamSession ibbSession = this.manager.getSessions().get(
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data.getDataPacketExtension().getSessionID());
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if (ibbSession == null) {
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this.manager.replyItemNotFoundPacket(data);
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}
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}
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/**
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* Returns the packet filter for In-Band Bytestream data packets.
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*
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* @return the packet filter for In-Band Bytestream data packets
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*/
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protected PacketFilter getFilter() {
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return this.dataFilter;
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}
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}
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