Classes in this File | Line Coverage | Branch Coverage | Complexity | ||||
JsonNodeExpressionEvaluator |
|
| 0.0;0 |
1 | /* | |
2 | * $Id: JsonNodeExpressionEvaluator.java 20383 2010-11-29 19:44:13Z 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 | ||
11 | package org.mule.module.json; | |
12 | ||
13 | import org.mule.routing.AbstractSplitter; | |
14 | ||
15 | import java.util.ArrayList; | |
16 | import java.util.Iterator; | |
17 | import java.util.List; | |
18 | ||
19 | import org.codehaus.jackson.JsonNode; | |
20 | import org.codehaus.jackson.node.ArrayNode; | |
21 | import org.codehaus.jackson.node.ValueNode; | |
22 | ||
23 | /** | |
24 | * An JSON expression evaluator that returns {@link JsonNode}'s instead of strings. | |
25 | * Arrays are still returned as a {@link List} rather than as an {@link ArrayNode} to | |
26 | * enable splitting using the {@link AbstractSplitter} | |
27 | * | |
28 | * @see org.mule.module.json.JsonData | |
29 | * @see JsonExpressionEvaluator | |
30 | */ | |
31 | 0 | public class JsonNodeExpressionEvaluator extends JsonExpressionEvaluator |
32 | { | |
33 | ||
34 | protected Object extractResultFromNode(JsonNode result) | |
35 | { | |
36 | 0 | if (result instanceof ValueNode) |
37 | { | |
38 | 0 | return result.getValueAsText(); |
39 | } | |
40 | 0 | if (result instanceof ArrayNode) |
41 | { | |
42 | 0 | List parts = new ArrayList<String>(); |
43 | 0 | for (Iterator<JsonNode> i = ((JsonNode) result).getElements(); i.hasNext();) |
44 | { | |
45 | 0 | JsonNode arrayNode = i.next(); |
46 | 0 | parts.add(extractResultFromNode(arrayNode)); |
47 | 0 | } |
48 | 0 | return parts; |
49 | } | |
50 | else | |
51 | { | |
52 | 0 | return result; |
53 | } | |
54 | } | |
55 | ||
56 | public String getName() | |
57 | { | |
58 | 0 | return "json-node"; |
59 | } | |
60 | } |