Classes in this File | Line Coverage | Branch Coverage | Complexity | ||||||||
AncestorOrSelfAxisIterator |
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| 2.5;2.5 |
1 | package org.jaxen.util; |
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2 | ||
3 | /* |
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4 | * $Header: /home/projects/jaxen/scm/jaxen/src/java/main/org/jaxen/util/AncestorOrSelfAxisIterator.java,v 1.10 2005/06/28 13:44:44 elharo Exp $ |
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5 | * $Revision: 1.10 $ |
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6 | * $Date: 2005/06/28 13:44:44 $ |
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7 | * |
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8 | * ==================================================================== |
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9 | * |
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10 | * Copyright (C) 2000-2005 bob mcwhirter & James Strachan. |
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11 | * All rights reserved. |
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12 | * |
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13 | * Redistribution and use in source and binary forms, with or without |
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14 | * modification, are permitted provided that the following conditions |
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15 | * are met: |
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16 | * |
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17 | * 1. Redistributions of source code must retain the above copyright |
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18 | * notice, this list of conditions, and the following disclaimer. |
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19 | * |
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20 | * 2. Redistributions in binary form must reproduce the above copyright |
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21 | * notice, this list of conditions, and the disclaimer that follows |
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22 | * these conditions in the documentation and/or other materials |
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23 | * provided with the distribution. |
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24 | * |
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25 | * 3. The name "Jaxen" must not be used to endorse or promote products |
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26 | * derived from this software without prior written permission. For |
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27 | * written permission, please contact license@jaxen.org. |
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28 | * |
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29 | * 4. Products derived from this software may not be called "Jaxen", nor |
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30 | * may "Jaxen" appear in their name, without prior written permission |
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31 | * from the Jaxen Project Management (pm@jaxen.org). |
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32 | * |
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33 | * In addition, we request (but do not require) that you include in the |
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34 | * end-user documentation provided with the redistribution and/or in the |
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35 | * software itself an acknowledgement equivalent to the following: |
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36 | * "This product includes software developed by the |
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37 | * Jaxen Project <http://www.jaxen.org/>." |
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38 | * Alternatively, the acknowledgment may be graphical using the logos |
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39 | * available at http://www.jaxen.org/ |
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40 | * |
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41 | * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED |
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42 | * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
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43 | * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE |
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44 | * DISCLAIMED. IN NO EVENT SHALL THE Jaxen AUTHORS OR THE PROJECT |
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45 | * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, |
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46 | * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT |
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47 | * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF |
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48 | * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND |
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49 | * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, |
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50 | * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT |
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51 | * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF |
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52 | * SUCH DAMAGE. |
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53 | * |
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54 | * ==================================================================== |
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55 | * This software consists of voluntary contributions made by many |
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56 | * individuals on behalf of the Jaxen Project and was originally |
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57 | * created by bob mcwhirter <bob@werken.com> and |
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58 | * James Strachan <jstrachan@apache.org>. For more information on the |
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59 | * Jaxen Project, please see <http://www.jaxen.org/>. |
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60 | * |
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61 | * $Id: AncestorOrSelfAxisIterator.java,v 1.10 2005/06/28 13:44:44 elharo Exp $ |
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62 | */ |
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63 | ||
64 | import java.util.Iterator; |
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65 | import java.util.NoSuchElementException; |
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66 | ||
67 | import org.jaxen.Navigator; |
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68 | import org.jaxen.UnsupportedAxisException; |
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69 | import org.jaxen.JaxenRuntimeException; |
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70 | ||
71 | public class AncestorOrSelfAxisIterator implements Iterator |
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72 | { |
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73 | private Object contextNode; |
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74 | private Navigator navigator; |
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75 | ||
76 | public AncestorOrSelfAxisIterator(Object contextNode, |
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77 | Navigator navigator) |
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78 | 660 | { |
79 | // XXX should we throw a NullPointerException here if contextNode is null? |
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80 | 660 | this.contextNode = contextNode; |
81 | 660 | this.navigator = navigator; |
82 | 660 | } |
83 | ||
84 | public boolean hasNext() |
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85 | { |
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86 | 4932 | return contextNode != null; |
87 | } |
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88 | ||
89 | public Object next() |
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90 | { |
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91 | try |
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92 | { |
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93 | 2124 | if (hasNext()) { |
94 | 2118 | Object result = contextNode; |
95 | 2118 | contextNode = navigator.getParentNode(contextNode); |
96 | 2118 | return result; |
97 | } |
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98 | 6 | throw new NoSuchElementException(); // XXX provide exception message |
99 | } |
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100 | 0 | catch (UnsupportedAxisException e) |
101 | { |
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102 | 0 | throw new JaxenRuntimeException(e); |
103 | } |
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104 | } |
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105 | ||
106 | public void remove() |
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107 | { |
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108 | 6 | throw new UnsupportedOperationException(); |
109 | } |
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110 | } |