| Classes in this File | Line Coverage | Branch Coverage | Complexity | ||||
| FollowingSiblingAxisIterator |
|
| 1.8;1.8 |
| 1 | /* | |
| 2 | * $Header$ | |
| 3 | * $Revision: 1255 $ | |
| 4 | * $Date: 2006-11-09 10:20:12 -0800 (Thu, 09 Nov 2006) $ | |
| 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 1255 2006-11-09 18:20:12Z elharo $ | |
| 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 | 34360 | { |
| 85 | 34360 | this.contextNode = contextNode; |
| 86 | 34360 | this.navigator = navigator; |
| 87 | 34360 | init(); |
| 88 | 34360 | } |
| 89 | ||
| 90 | private void init() throws UnsupportedAxisException | |
| 91 | { | |
| 92 | 34360 | Object parent = this.navigator.getParentNode( this.contextNode ); |
| 93 | ||
| 94 | 34360 | if ( parent != null ) |
| 95 | { | |
| 96 | 34325 | siblingIter = this.navigator.getChildAxisIterator( parent ); |
| 97 | ||
| 98 | 1015020 | while ( siblingIter.hasNext() ) |
| 99 | { | |
| 100 | 1015005 | Object eachChild = siblingIter.next(); |
| 101 | 1015005 | if ( eachChild.equals(this.contextNode) ) break; |
| 102 | 980695 | } |
| 103 | } | |
| 104 | else { | |
| 105 | 35 | siblingIter = JaxenConstants.EMPTY_ITERATOR; |
| 106 | } | |
| 107 | ||
| 108 | 34360 | } |
| 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 | 136565 | 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 | 133050 | 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 | 5 | throw new UnsupportedOperationException(); |
| 144 | } | |
| 145 | ||
| 146 | } |