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1   //
2   //  ========================================================================
3   //  Copyright (c) 1995-2017 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.InputStream;
22  import java.nio.ByteBuffer;
23  
24  import org.eclipse.jetty.websocket.common.events.annotated.InvalidSignatureException;
25  import org.eclipse.jetty.websocket.jsr356.annotations.Param.Role;
26  
27  /**
28   * Param handling for static Binary @{@link javax.websocket.OnMessage} parameters.
29   */
30  public class JsrParamIdBinary extends JsrParamIdOnMessage implements IJsrParamId
31  {
32      public static final IJsrParamId INSTANCE = new JsrParamIdBinary();
33  
34      @Override
35      public boolean process(Param param, JsrCallable callable) throws InvalidSignatureException
36      {
37          if (super.process(param,callable))
38          {
39              // Found common roles
40              return true;
41          }
42  
43          if (param.type.isAssignableFrom(ByteBuffer.class))
44          {
45              param.bind(Role.MESSAGE_BINARY);
46              callable.setDecodingType(ByteBuffer.class);
47              return true;
48          }
49  
50          if (param.type.isAssignableFrom(byte[].class))
51          {
52              param.bind(Role.MESSAGE_BINARY);
53              callable.setDecodingType(byte[].class);
54              return true;
55          }
56  
57          // Streaming
58          if (param.type.isAssignableFrom(InputStream.class))
59          {
60              assertPartialMessageSupportDisabled(param,callable);
61              param.bind(Role.MESSAGE_BINARY_STREAM);
62              callable.setDecodingType(InputStream.class);
63              return true;
64          }
65  
66          return false;
67      }
68  }