Classes in this File | Line Coverage | Branch Coverage | Complexity | ||||
FollowingSiblingAxisIterator |
|
| 1.8;1.8 |
1 | /* | |
2 | * $Header: /home/projects/jaxen/scm/jaxen/src/java/main/org/jaxen/util/FollowingSiblingAxisIterator.java,v 1.11 2006/11/09 18:20:12 elharo Exp $ | |
3 | * $Revision: 1.11 $ | |
4 | * $Date: 2006/11/09 18:20:12 $ | |
5 | * | |
6 | * ==================================================================== | |
7 | * | |
8 | * Copyright 2000-2002 bob mcwhirter & James Strachan. | |
9 | * All rights reserved. | |
10 | * | |
11 | * Redistribution and use in source and binary forms, with or without | |
12 | * modification, are permitted provided that the following conditions are | |
13 | * met: | |
14 | * | |
15 | * * Redistributions of source code must retain the above copyright | |
16 | * notice, this list of conditions and the following disclaimer. | |
17 | * | |
18 | * * Redistributions in binary form must reproduce the above copyright | |
19 | * notice, this list of conditions and the following disclaimer in the | |
20 | * documentation and/or other materials provided with the distribution. | |
21 | * | |
22 | * * Neither the name of the Jaxen Project nor the names of its | |
23 | * contributors may be used to endorse or promote products derived | |
24 | * from this software without specific prior written permission. | |
25 | * | |
26 | * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS | |
27 | * IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED | |
28 | * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A | |
29 | * PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER | |
30 | * OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, | |
31 | * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, | |
32 | * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR | |
33 | * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF | |
34 | * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING | |
35 | * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS | |
36 | * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. | |
37 | * | |
38 | * ==================================================================== | |
39 | * This software consists of voluntary contributions made by many | |
40 | * individuals on behalf of the Jaxen Project and was originally | |
41 | * created by bob mcwhirter <bob@werken.com> and | |
42 | * James Strachan <jstrachan@apache.org>. For more information on the | |
43 | * Jaxen Project, please see <http://www.jaxen.org/>. | |
44 | * | |
45 | * $Id: FollowingSiblingAxisIterator.java,v 1.11 2006/11/09 18:20:12 elharo Exp $ | |
46 | */ | |
47 | ||
48 | ||
49 | ||
50 | package org.jaxen.util; | |
51 | ||
52 | import java.util.Iterator; | |
53 | import java.util.NoSuchElementException; | |
54 | ||
55 | import org.jaxen.JaxenConstants; | |
56 | import org.jaxen.Navigator; | |
57 | import org.jaxen.UnsupportedAxisException; | |
58 | ||
59 | /** | |
60 | * | |
61 | * Represents the XPath <code>following-sibling</code> axis. | |
62 | * The "<code>following-sibling</code> axis contains all the | |
63 | * folowing siblings of the context node; if the context node is an | |
64 | * attribute node or namespace node, the <code>following-sibling</code> | |
65 | * axis is empty." | |
66 | * | |
67 | * @version 1.2b12 | |
68 | * | |
69 | */ | |
70 | public class FollowingSiblingAxisIterator implements Iterator | |
71 | { | |
72 | private Object contextNode; | |
73 | private Navigator navigator; | |
74 | private Iterator siblingIter; | |
75 | ||
76 | /** | |
77 | * Create a new <code>following-sibling</code> axis iterator. | |
78 | * | |
79 | * @param contextNode the node to start from | |
80 | * @param navigator the object model specific navigator | |
81 | */ | |
82 | public FollowingSiblingAxisIterator(Object contextNode, | |
83 | Navigator navigator) throws UnsupportedAxisException | |
84 | 13744 | { |
85 | 13744 | this.contextNode = contextNode; |
86 | 13744 | this.navigator = navigator; |
87 | 13744 | init(); |
88 | 13744 | } |
89 | ||
90 | private void init() throws UnsupportedAxisException | |
91 | { | |
92 | 13744 | Object parent = this.navigator.getParentNode( this.contextNode ); |
93 | ||
94 | 13744 | if ( parent != null ) |
95 | { | |
96 | 13730 | siblingIter = this.navigator.getChildAxisIterator( parent ); |
97 | ||
98 | 406008 | while ( siblingIter.hasNext() ) |
99 | { | |
100 | 406002 | Object eachChild = siblingIter.next(); |
101 | 406002 | if ( eachChild.equals(this.contextNode) ) break; |
102 | 392278 | } |
103 | } | |
104 | else { | |
105 | 14 | siblingIter = JaxenConstants.EMPTY_ITERATOR; |
106 | } | |
107 | ||
108 | 13744 | } |
109 | ||
110 | /** | |
111 | * Returns true if there are any following siblings remain; false otherwise. | |
112 | * | |
113 | * @return true if any following siblings remain; false otherwise | |
114 | * | |
115 | * @see java.util.Iterator#hasNext() | |
116 | */ | |
117 | public boolean hasNext() | |
118 | { | |
119 | 54626 | return siblingIter.hasNext(); |
120 | } | |
121 | ||
122 | /** | |
123 | * Returns the next following sibling. | |
124 | * | |
125 | * @return the next following sibling | |
126 | * | |
127 | * @throws NoSuchElementException if no following siblings remain | |
128 | * | |
129 | * @see java.util.Iterator#next() | |
130 | */ | |
131 | public Object next() throws NoSuchElementException | |
132 | { | |
133 | 53220 | return siblingIter.next(); |
134 | } | |
135 | ||
136 | /** | |
137 | * This operation is not supported. | |
138 | * | |
139 | * @throws UnsupportedOperationException always | |
140 | */ | |
141 | public void remove() throws UnsupportedOperationException | |
142 | { | |
143 | 2 | throw new UnsupportedOperationException(); |
144 | } | |
145 | ||
146 | } |