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1   //
2   //  ========================================================================
3   //  Copyright (c) 1995-2014 Mort Bay Consulting Pty. Ltd.
4   //  ------------------------------------------------------------------------
5   //  All rights reserved. This program and the accompanying materials
6   //  are made available under the terms of the Eclipse Public License v1.0
7   //  and Apache License v2.0 which accompanies this distribution.
8   //
9   //      The Eclipse Public License is available at
10  //      http://www.eclipse.org/legal/epl-v10.html
11  //
12  //      The Apache License v2.0 is available at
13  //      http://www.opensource.org/licenses/apache2.0.php
14  //
15  //  You may elect to redistribute this code under either of these licenses.
16  //  ========================================================================
17  //
18  
19  package org.eclipse.jetty.websocket.jsr356.annotations;
20  
21  //import java.io.IOException;
22  import java.io.IOException;
23  import java.io.InputStream;
24  import java.lang.reflect.Method;
25  
26  import javax.websocket.DecodeException;
27  import javax.websocket.Decoder;
28  
29  import org.eclipse.jetty.websocket.jsr356.JsrSession;
30  import org.eclipse.jetty.websocket.jsr356.annotations.Param.Role;
31  
32  /**
33   * Callable for {@link OnMessage} annotated methods for {@link InputStream} based binary message objects
34   * 
35   * @see BinaryStream
36   */
37  public class OnMessageBinaryStreamCallable extends OnMessageCallable
38  {
39      private Decoder.BinaryStream<?> binaryDecoder;
40  
41      public OnMessageBinaryStreamCallable(Class<?> pojo, Method method)
42      {
43          super(pojo,method);
44      }
45  
46      /**
47       * Copy Constructor
48       */
49      public OnMessageBinaryStreamCallable(OnMessageCallable copy)
50      {
51          super(copy);
52      }
53  
54      public Object call(Object endpoint, InputStream stream) throws DecodeException, IOException
55      {
56          // Bug-430088 - streaming based calls are dispatched.
57          // create a copy of the calling args array to prevent concurrency problems.
58          Object copy[] = new Object[super.args.length];
59          System.arraycopy(super.args,0,copy,0,super.args.length);
60          copy[idxMessageObject] = binaryDecoder.decode(stream);
61          return super.call(endpoint,copy);
62      }
63  
64      @Override
65      public void init(JsrSession session)
66      {
67          idxMessageObject = findIndexForRole(Role.MESSAGE_BINARY_STREAM);
68          assertRoleRequired(idxMessageObject,"Binary InputStream Message Object");
69          super.init(session);
70          assertDecoderRequired();
71          binaryDecoder = (Decoder.BinaryStream<?>)getDecoder();
72      }
73  }