Classes in this File | Line Coverage | Branch Coverage | Complexity | ||||
XPathExpressionEvaluator |
|
| 0.0;0 |
1 | /* | |
2 | * Copyright (c) MuleSoft, Inc. All rights reserved. http://www.mulesoft.com | |
3 | * The software in this package is published under the terms of the CPAL v1.0 | |
4 | * license, a copy of which has been included with this distribution in the | |
5 | * LICENSE.txt file. | |
6 | */ | |
7 | package org.mule.module.xml.expression; | |
8 | ||
9 | import org.mule.module.xml.i18n.XmlMessages; | |
10 | ||
11 | import org.dom4j.Node; | |
12 | import org.jaxen.JaxenException; | |
13 | import org.jaxen.XPath; | |
14 | import org.jaxen.dom.DOMXPath; | |
15 | import org.jaxen.dom4j.Dom4jXPath; | |
16 | ||
17 | /** | |
18 | * Will select the text of a single node based on the property name | |
19 | */ | |
20 | 0 | public class XPathExpressionEvaluator extends AbstractXPathExpressionEvaluator |
21 | { | |
22 | public static final String NAME = "xpath"; | |
23 | ||
24 | @Override | |
25 | protected XPath createXPath(String expression, Object object) throws JaxenException | |
26 | { | |
27 | 0 | if(createDOMXPath(object)) |
28 | { | |
29 | 0 | return new DOMXPath(expression); |
30 | } | |
31 | 0 | else if (createDom4jXPath(object)) |
32 | { | |
33 | 0 | return new Dom4jXPath(expression); |
34 | } | |
35 | else | |
36 | { | |
37 | 0 | throw new IllegalArgumentException(XmlMessages.domTypeNotSupported(object.getClass()).getMessage()); |
38 | } | |
39 | } | |
40 | ||
41 | @Override | |
42 | protected String getXPathClassName(Object object) | |
43 | { | |
44 | 0 | if(createDOMXPath(object)) |
45 | { | |
46 | 0 | return DOMXPath.class.getName(); |
47 | } | |
48 | 0 | if(createDom4jXPath(object)) |
49 | { | |
50 | 0 | return Dom4jXPath.class.getName(); |
51 | } | |
52 | 0 | return super.getXPathClassName(object); |
53 | } | |
54 | ||
55 | private boolean createDOMXPath(Object object) | |
56 | { | |
57 | 0 | return object instanceof org.w3c.dom.Document || object instanceof org.w3c.dom.Element; |
58 | } | |
59 | ||
60 | private boolean createDom4jXPath(Object object) | |
61 | { | |
62 | 0 | return object instanceof org.dom4j.Document || object instanceof org.dom4j.Element; |
63 | } | |
64 | ||
65 | protected Object extractResultFromNode(Object result) | |
66 | { | |
67 | 0 | if(result instanceof Node) |
68 | { | |
69 | 0 | return ((Node)result).getText(); |
70 | } | |
71 | 0 | else if(result instanceof org.w3c.dom.Node) |
72 | { | |
73 | 0 | return ((org.w3c.dom.Node)result).getFirstChild().getNodeValue(); |
74 | } | |
75 | else | |
76 | { | |
77 | 0 | return result; |
78 | } | |
79 | } | |
80 | ||
81 | /** {@inheritDoc} */ | |
82 | public String getName() | |
83 | { | |
84 | 0 | return NAME; |
85 | } | |
86 | } |