Coverage Report - org.jaxen.util.AncestorOrSelfAxisIterator

Classes in this File Line Coverage Branch Coverage Complexity
AncestorOrSelfAxisIterator
85% 
100% 
2.5

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