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1 /**
2  * All rights reserved. Licensed under the Apache License, Version 2.0 (the "License");
3  * you may not use this file except in compliance with the License.
4  * You may obtain a copy of the License at
5  *
6  *     http://www.apache.org/licenses/LICENSE-2.0
7  *
8  * Unless required by applicable law or agreed to in writing, software
9  * distributed under the License is distributed on an "AS IS" BASIS,
10  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
11  * See the License for the specific language governing permissions and
12  * limitations under the License.
13  */
14 package org.jivesoftware.smackx.bytestreams.ibb;
15 
16 import org.jivesoftware.smack.Connection;
17 import org.jivesoftware.smack.XMPPException;
18 import org.jivesoftware.smack.packet.IQ;
19 import org.jivesoftware.smackx.bytestreams.BytestreamRequest;
20 import org.jivesoftware.smackx.bytestreams.ibb.packet.Open;
21 
22 /**
23  * InBandBytestreamRequest class handles incoming In-Band Bytestream requests.
24  *
25  * @author Henning Staib
26  */
27 public class InBandBytestreamRequest implements BytestreamRequest {
28 
29     /* the bytestream initialization request */
30     private final Open byteStreamRequest;
31 
32     /*
33      * In-Band Bytestream manager containing the XMPP connection and helper
34      * methods
35      */
36     private final InBandBytestreamManager manager;
37 
InBandBytestreamRequest(InBandBytestreamManager manager, Open byteStreamRequest)38     protected InBandBytestreamRequest(InBandBytestreamManager manager,
39                     Open byteStreamRequest) {
40         this.manager = manager;
41         this.byteStreamRequest = byteStreamRequest;
42     }
43 
44     /**
45      * Returns the sender of the In-Band Bytestream open request.
46      *
47      * @return the sender of the In-Band Bytestream open request
48      */
getFrom()49     public String getFrom() {
50         return this.byteStreamRequest.getFrom();
51     }
52 
53     /**
54      * Returns the session ID of the In-Band Bytestream open request.
55      *
56      * @return the session ID of the In-Band Bytestream open request
57      */
getSessionID()58     public String getSessionID() {
59         return this.byteStreamRequest.getSessionID();
60     }
61 
62     /**
63      * Accepts the In-Band Bytestream open request and returns the session to
64      * send/receive data.
65      *
66      * @return the session to send/receive data
67      * @throws XMPPException if stream is invalid.
68      */
accept()69     public InBandBytestreamSession accept() throws XMPPException {
70         Connection connection = this.manager.getConnection();
71 
72         // create In-Band Bytestream session and store it
73         InBandBytestreamSession ibbSession = new InBandBytestreamSession(connection,
74                         this.byteStreamRequest, this.byteStreamRequest.getFrom());
75         this.manager.getSessions().put(this.byteStreamRequest.getSessionID(), ibbSession);
76 
77         // acknowledge request
78         IQ resultIQ = IQ.createResultIQ(this.byteStreamRequest);
79         connection.sendPacket(resultIQ);
80 
81         return ibbSession;
82     }
83 
84     /**
85      * Rejects the In-Band Bytestream request by sending a reject error to the
86      * initiator.
87      */
reject()88     public void reject() {
89         this.manager.replyRejectPacket(this.byteStreamRequest);
90     }
91 
92 }
93