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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.lang.reflect.Method;
22  
23  import javax.websocket.DecodeException;
24  import javax.websocket.Decoder;
25  
26  import org.eclipse.jetty.websocket.jsr356.JsrSession;
27  import org.eclipse.jetty.websocket.jsr356.annotations.Param.Role;
28  
29  /**
30   * Callable for {@link OnMessage} annotated methods with a whole or partial text messages.
31   * <p>
32   * Not for use with {@link Reader} based {@link OnMessage} method objects.
33   * 
34   * @see Text
35   */
36  public class OnMessageTextCallable extends OnMessageCallable
37  {
38      private Decoder.Text<?> textDecoder;
39  
40      public OnMessageTextCallable(Class<?> pojo, Method method)
41      {
42          super(pojo,method);
43      }
44  
45      /**
46       * Copy Constructor
47       */
48      public OnMessageTextCallable(OnMessageCallable copy)
49      {
50          super(copy);
51      }
52  
53      public Object call(Object endpoint, String str, boolean partialFlag) throws DecodeException
54      {
55          super.args[idxMessageObject] = textDecoder.decode(str);
56          if (idxPartialMessageFlag >= 0)
57          {
58              super.args[idxPartialMessageFlag] = partialFlag;
59          }
60          return super.call(endpoint,super.args);
61      }
62  
63      @Override
64      public void init(JsrSession session)
65      {
66          idxMessageObject = findIndexForRole(Role.MESSAGE_TEXT);
67          assertRoleRequired(idxMessageObject,"Text Message Object");
68          super.init(session);
69          assertDecoderRequired();
70          textDecoder = (Decoder.Text<?>)getDecoder();
71      }
72  }