1 //
2 // ========================================================================
3 // Copyright (c) 1995-2016 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.Reader;
22 import java.lang.reflect.Method;
23
24 import javax.websocket.DecodeException;
25 import javax.websocket.Decoder;
26 import javax.websocket.OnMessage;
27
28 import org.eclipse.jetty.websocket.jsr356.JsrSession;
29 import org.eclipse.jetty.websocket.jsr356.annotations.Param.Role;
30
31 /**
32 * Callable for {@link OnMessage} annotated methods with a whole or partial text messages.
33 * <p>
34 * Not for use with {@link Reader} based {@link OnMessage} method objects.
35 *
36 * @see javax.websocket.Decoder.Text
37 */
38 public class OnMessageTextCallable extends OnMessageCallable
39 {
40 private Decoder.Text<?> textDecoder;
41
42 public OnMessageTextCallable(Class<?> pojo, Method method)
43 {
44 super(pojo,method);
45 }
46
47 /**
48 * Copy Constructor
49 * @param copy the callable to copy from
50 */
51 public OnMessageTextCallable(OnMessageCallable copy)
52 {
53 super(copy);
54 }
55
56 public Object call(Object endpoint, String str, boolean partialFlag) throws DecodeException
57 {
58 super.args[idxMessageObject] = textDecoder.decode(str);
59 if (idxPartialMessageFlag >= 0)
60 {
61 super.args[idxPartialMessageFlag] = partialFlag;
62 }
63 return super.call(endpoint,super.args);
64 }
65
66 @Override
67 public void init(JsrSession session)
68 {
69 idxMessageObject = findIndexForRole(Role.MESSAGE_TEXT);
70 assertRoleRequired(idxMessageObject,"Text Message Object");
71 super.init(session);
72 assertDecoderRequired();
73 textDecoder = (Decoder.Text<?>)getDecoder();
74 }
75 }