Classes in this File | Line Coverage | Branch Coverage | Complexity | ||||
AbstractReceiverResourceWorker |
|
| 1.4;1.4 |
1 | /* | |
2 | * $Id: AbstractReceiverResourceWorker.java 10489 2008-01-23 17:53:38Z dfeist $ | |
3 | * -------------------------------------------------------------------------------------- | |
4 | * Copyright (c) MuleSource, Inc. All rights reserved. http://www.mulesource.com | |
5 | * | |
6 | * The software in this package is published under the terms of the CPAL v1.0 | |
7 | * license, a copy of which has been included with this distribution in the | |
8 | * LICENSE.txt file. | |
9 | */ | |
10 | package org.mule.transport; | |
11 | ||
12 | import java.io.OutputStream; | |
13 | import java.util.ArrayList; | |
14 | ||
15 | /** | |
16 | * This is a Message receiver worker used by transports that do not have a way for the underlying transport | |
17 | * to call back to the receiver when a message is available such as Jms. This worker provides a | |
18 | * callback {@link #getNextMessage(Object)} where the receiver can read the next message from the underlying | |
19 | * transport. | |
20 | */ | |
21 | public abstract class AbstractReceiverResourceWorker extends AbstractReceiverWorker | |
22 | { | |
23 | protected Object resource; | |
24 | ||
25 | public AbstractReceiverResourceWorker(Object resource, AbstractMessageReceiver receiver) | |
26 | { | |
27 | 0 | this(resource, receiver, null); |
28 | 0 | } |
29 | ||
30 | public AbstractReceiverResourceWorker(Object resource, AbstractMessageReceiver receiver, OutputStream out) | |
31 | { | |
32 | 0 | super(new ArrayList(), receiver, out); |
33 | 0 | this.resource = resource; |
34 | 0 | } |
35 | ||
36 | ||
37 | /** | |
38 | * (non-Javadoc) | |
39 | * | |
40 | */ | |
41 | //@Override | |
42 | public void doRun() | |
43 | { | |
44 | try | |
45 | { | |
46 | 0 | Object message = null; |
47 | do | |
48 | { | |
49 | 0 | message = getNextMessage(resource); |
50 | 0 | messages.add(message); |
51 | 0 | super.doRun(); |
52 | } | |
53 | 0 | while (message != null && hasMoreMessages(message)); |
54 | } | |
55 | 0 | catch (Exception e) |
56 | { | |
57 | 0 | handleException(e); |
58 | 0 | } |
59 | 0 | } |
60 | ||
61 | protected boolean hasMoreMessages(Object message) | |
62 | { | |
63 | 0 | return true; |
64 | } | |
65 | ||
66 | /** | |
67 | * The method used to read the next message from the underlying transport. | |
68 | * @param resource the resource to read from, this may be a socket, a directory or some higher level | |
69 | * representation. | |
70 | * @return the message read from the resource. This can be raw data such as a byte[] or a MessageAdapter. | |
71 | * @throws Exception | |
72 | */ | |
73 | protected abstract Object getNextMessage(Object resource) throws Exception; | |
74 | ||
75 | } |