Classes in this File | Line Coverage | Branch Coverage | Complexity | ||||
IterableChildAxis |
|
| 1.0;1 |
1 | /* | |
2 | $Id: IterableChildAxis.java,v 1.11 2006/06/03 20:50:12 elharo Exp $ | |
3 | ||
4 | Copyright 2003 The Werken Company. All Rights Reserved. | |
5 | | |
6 | Redistribution and use in source and binary forms, with or without | |
7 | modification, are permitted provided that the following conditions are | |
8 | met: | |
9 | ||
10 | * Redistributions of source code must retain the above copyright | |
11 | notice, this list of conditions and the following disclaimer. | |
12 | ||
13 | * Redistributions in binary form must reproduce the above copyright | |
14 | notice, this list of conditions and the following disclaimer in the | |
15 | documentation and/or other materials provided with the distribution. | |
16 | ||
17 | * Neither the name of the Jaxen Project nor the names of its | |
18 | contributors may be used to endorse or promote products derived | |
19 | from this software without specific prior written permission. | |
20 | ||
21 | THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS | |
22 | IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED | |
23 | TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A | |
24 | PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER | |
25 | OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, | |
26 | EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, | |
27 | PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR | |
28 | PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF | |
29 | LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING | |
30 | NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS | |
31 | SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. | |
32 | ||
33 | */ | |
34 | package org.jaxen.expr.iter; | |
35 | ||
36 | import java.util.Iterator; | |
37 | ||
38 | import org.jaxen.ContextSupport; | |
39 | import org.jaxen.NamedAccessNavigator; | |
40 | import org.jaxen.UnsupportedAxisException; | |
41 | ||
42 | /** | |
43 | * Provide access to the child xpath axis. | |
44 | * | |
45 | * @author Bob McWhirter | |
46 | * @author James Strachan | |
47 | * @author Stephen Colebourne | |
48 | */ | |
49 | public class IterableChildAxis extends IterableAxis { | |
50 | ||
51 | /** | |
52 | * | |
53 | */ | |
54 | private static final long serialVersionUID = 1L; | |
55 | ||
56 | /** | |
57 | * Constructor. | |
58 | * | |
59 | * @param value the axis value | |
60 | */ | |
61 | public IterableChildAxis(int value) { | |
62 | 6178 | super(value); |
63 | 6178 | } |
64 | ||
65 | /** | |
66 | * Gets the iterator for the child axis. | |
67 | * | |
68 | * @param contextNode the current context node to work from | |
69 | * @param support the additional context information | |
70 | * @return an iterator over the children of the context node | |
71 | * @throws UnsupportedAxisException if the child axis is not supported | |
72 | */ | |
73 | public Iterator iterator(Object contextNode, ContextSupport support) | |
74 | throws UnsupportedAxisException { | |
75 | 28782 | return support.getNavigator().getChildAxisIterator(contextNode); |
76 | } | |
77 | ||
78 | /** | |
79 | * Gets an iterator for the child XPath axis that supports named access. | |
80 | * | |
81 | * @param contextNode the current context node to work from | |
82 | * @param support the additional context information | |
83 | * @param localName the local name of the children to return | |
84 | * @param namespacePrefix the prefix of the namespace of the children to return | |
85 | * @param namespaceURI the URI of the namespace of the children to return | |
86 | * @return an iterator over the children of the context node | |
87 | * @throws UnsupportedAxisException if the child axis is not supported by the model | |
88 | */ | |
89 | public Iterator namedAccessIterator( | |
90 | Object contextNode, | |
91 | ContextSupport support, | |
92 | String localName, | |
93 | String namespacePrefix, | |
94 | String namespaceURI) | |
95 | throws UnsupportedAxisException { | |
96 | ||
97 | 9464 | NamedAccessNavigator nav = (NamedAccessNavigator) support.getNavigator(); |
98 | 9464 | return nav.getChildAxisIterator(contextNode, localName, namespacePrefix, namespaceURI); |
99 | } | |
100 | ||
101 | /** | |
102 | * Does this axis support named access? | |
103 | * | |
104 | * @param support the additional context information | |
105 | * @return true if named access supported. If not iterator() will be used | |
106 | */ | |
107 | public boolean supportsNamedAccess(ContextSupport support) { | |
108 | 3004 | return (support.getNavigator() instanceof NamedAccessNavigator); |
109 | } | |
110 | ||
111 | } |