Coverage Report - org.jaxen.util.FollowingSiblingAxisIterator
 
Classes in this File Line Coverage Branch Coverage Complexity
FollowingSiblingAxisIterator
100%
17/17
100%
3/3
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  
 }