Classes in this File | Line Coverage | Branch Coverage | Complexity | ||||
DefaultRouterResultsHandler |
|
| 0.0;0 |
1 | /* | |
2 | * $Id: DefaultRouterResultsHandler.java 20321 2010-11-24 15:21:24Z dfeist $ | |
3 | * -------------------------------------------------------------------------------------- | |
4 | * Copyright (c) MuleSoft, Inc. All rights reserved. http://www.mulesoft.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.routing; | |
11 | ||
12 | import org.mule.DefaultMessageCollection; | |
13 | import org.mule.DefaultMuleEvent; | |
14 | import org.mule.api.MuleContext; | |
15 | import org.mule.api.MuleEvent; | |
16 | import org.mule.api.MuleMessage; | |
17 | import org.mule.api.MuleMessageCollection; | |
18 | import org.mule.api.routing.RouterResultsHandler; | |
19 | ||
20 | import java.util.List; | |
21 | ||
22 | /** | |
23 | * The default results handler for all outbound endpoint. Depending on the number of messages passed it | |
24 | * the returning message will be different. | |
25 | * If the 'results' param is null or empty, null is returned. | |
26 | * If the 'results' param contains a single {@link org.mule.api.MuleMessage}, than that message is returned. | |
27 | * If the 'results' param contains more than one message a {@link org.mule.api.MuleMessageCollection} instance | |
28 | * is returned. | |
29 | * <p/> | |
30 | * Note that right now (as of Mule 2.0.1) this SPI is not pluggable and this implementation is the default and | |
31 | * only implementation. | |
32 | * | |
33 | * @see org.mule.api.MuleMessageCollection | |
34 | * @see org.mule.api.MuleMessage | |
35 | * @see org.mule.DefaultMessageCollection | |
36 | */ | |
37 | 0 | public class DefaultRouterResultsHandler implements RouterResultsHandler |
38 | { | |
39 | public MuleEvent aggregateResults(List<MuleEvent> results, MuleEvent previous, MuleContext muleContext) | |
40 | { | |
41 | MuleMessage aggregate; | |
42 | ||
43 | 0 | if (results == null || results.size() == 0) |
44 | { | |
45 | 0 | aggregate = null; |
46 | } | |
47 | 0 | else if (results.size() == 1) |
48 | { | |
49 | 0 | MuleEvent event = results.get(0); |
50 | 0 | aggregate = event == null ? null : event.getMessage(); |
51 | 0 | } |
52 | else | |
53 | { | |
54 | 0 | MuleMessageCollection coll = new DefaultMessageCollection(muleContext); |
55 | 0 | for (MuleEvent event : results) |
56 | { | |
57 | 0 | MuleMessage muleMessage = event == null ? null : event.getMessage(); |
58 | 0 | if(muleMessage!=null) |
59 | { | |
60 | 0 | coll.addMessage(muleMessage); |
61 | } | |
62 | 0 | } |
63 | 0 | aggregate = coll; |
64 | } | |
65 | ||
66 | 0 | return aggregate == null ? null : new DefaultMuleEvent(aggregate, previous); |
67 | } | |
68 | } |