Classes in this File | Line Coverage | Branch Coverage | Complexity | ||||
MessageHeaderExpressionEvaluator |
|
| 2.0;2 |
1 | /* | |
2 | * $Id: MessageHeaderExpressionEvaluator.java 11433 2008-03-20 03:43:57Z dirk.olmes $ | |
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 | ||
11 | package org.mule.util.expression; | |
12 | ||
13 | import org.mule.api.transport.MessageAdapter; | |
14 | ||
15 | /** | |
16 | * Looks up the property on the message using the property name given. | |
17 | * | |
18 | * @see MessageHeadersListExpressionEvaluator | |
19 | * @see MessageHeadersExpressionEvaluator | |
20 | * @see ExpressionEvaluator | |
21 | * @see ExpressionEvaluatorManager | |
22 | */ | |
23 | 1148 | public class MessageHeaderExpressionEvaluator implements ExpressionEvaluator |
24 | { | |
25 | public static final String NAME = "header"; | |
26 | ||
27 | public Object evaluate(String expression, Object message) | |
28 | { | |
29 | 20 | if (message instanceof MessageAdapter) |
30 | { | |
31 | 16 | return ((MessageAdapter) message).getProperty(expression); |
32 | } | |
33 | 4 | return null; |
34 | } | |
35 | ||
36 | /** {@inheritDoc} */ | |
37 | public String getName() | |
38 | { | |
39 | 1146 | return NAME; |
40 | } | |
41 | ||
42 | /** {@inheritDoc} */ | |
43 | public void setName(String name) | |
44 | { | |
45 | 0 | throw new UnsupportedOperationException("setName"); |
46 | } | |
47 | } |