Coverage Report - org.jaxen.NamespaceContext

Classes in this File Line Coverage Branch Coverage Complexity
NamespaceContext
N/A 
N/A 
1

 1  
 /*
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  * $Header: /home/projects/jaxen/scm/jaxen/src/java/main/org/jaxen/NamespaceContext.java,v 1.8 2005/06/28 13:44:44 elharo Exp $
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  * $Revision: 1.8 $
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  * $Date: 2005/06/28 13:44:44 $
 5  
  *
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  * ====================================================================
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  *
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  * Copyright (C) 2000-2002 bob mcwhirter & James Strachan.
 9  
  * All rights reserved.
 10  
  *
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  * Redistribution and use in source and binary forms, with or without
 12  
  * modification, are permitted provided that the following conditions
 13  
  * are met:
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  * 
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  * 1. Redistributions of source code must retain the above copyright
 16  
  *    notice, this list of conditions, and the following disclaimer.
 17  
  *
 18  
  * 2. Redistributions in binary form must reproduce the above copyright
 19  
  *    notice, this list of conditions, and the disclaimer that follows 
 20  
  *    these conditions in the documentation and/or other materials 
 21  
  *    provided with the distribution.
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  *
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  * 3. The name "Jaxen" must not be used to endorse or promote products
 24  
  *    derived from this software without prior written permission.  For
 25  
  *    written permission, please contact license@jaxen.org.
 26  
  * 
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  * 4. Products derived from this software may not be called "Jaxen", nor
 28  
  *    may "Jaxen" appear in their name, without prior written permission
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  *    from the Jaxen Project Management (pm@jaxen.org).
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  * 
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  * In addition, we request (but do not require) that you include in the 
 32  
  * end-user documentation provided with the redistribution and/or in the 
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  * software itself an acknowledgement equivalent to the following:
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  *     "This product includes software developed by the
 35  
  *      Jaxen Project <http://www.jaxen.org/>."
 36  
  * Alternatively, the acknowledgment may be graphical using the logos 
 37  
  * available at http://www.jaxen.org/
 38  
  *
 39  
  * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED
 40  
  * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
 41  
  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
 42  
  * DISCLAIMED.  IN NO EVENT SHALL THE Jaxen AUTHORS OR THE PROJECT
 43  
  * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
 44  
  * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
 45  
  * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
 46  
  * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
 47  
  * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
 48  
  * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
 49  
  * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
 50  
  * SUCH DAMAGE.
 51  
  *
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  * ====================================================================
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  * This software consists of voluntary contributions made by many 
 54  
  * individuals on behalf of the Jaxen Project and was originally 
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  * created by bob mcwhirter <bob@werken.com> and 
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  * James Strachan <jstrachan@apache.org>.  For more information on the 
 57  
  * Jaxen Project, please see <http://www.jaxen.org/>.
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  * 
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  * $Id: NamespaceContext.java,v 1.8 2005/06/28 13:44:44 elharo Exp $
 60  
  */
 61  
 
 62  
 
 63  
 package org.jaxen;
 64  
 
 65  
 /** Resolves namespace prefixes to namespace URIs.
 66  
  *
 67  
  *  <p>
 68  
  *  The prefixes used within an XPath expression are
 69  
  *  independent of those used within any target document.
 70  
  *  When evaluating an XPath against a document, only
 71  
  *  the resolved namespace URIs are compared, not their
 72  
  *  prefixes.
 73  
  *  </p>
 74  
  *
 75  
  *  <p>
 76  
  *  A <code>NamespaceContext</code> is responsible for
 77  
  *  translating prefixes as they appear in XPath expressions
 78  
  *  into URIs for comparison.  A document's prefixes are
 79  
  *  resolved internal to the document based upon its own
 80  
  *  namespace nodes.
 81  
  *  </p>
 82  
  *
 83  
  *  @see BaseXPath
 84  
  *  @see Navigator#getElementNamespaceUri
 85  
  *  @see Navigator#getAttributeNamespaceUri
 86  
  *
 87  
  *  @author <a href="mailto:bob@werken.com">bob mcwhirter</a>
 88  
  */
 89  
 public interface NamespaceContext
 90  
 {
 91  
     /** Translate the provided namespace prefix into 
 92  
      *  the matching bound namespace URI.
 93  
      *
 94  
      *  <p>
 95  
      *  In XPath, there is no such thing as a 'default namespace'.
 96  
      *  The empty prefix <strong>always</strong> resolves to the empty
 97  
      *  namespace URI. This method should return null for the
 98  
      *  empty prefix.
 99  
      *  Similarly, the prefix "xml" always resolves to
 100  
      *  the URI "http://www.w3.org/XML/1998/namespace".
 101  
      *  </p>
 102  
      *
 103  
      *  @param prefix the namespace prefix to resolve
 104  
      *
 105  
      *  @return the namespace URI bound to the prefix; or null if there
 106  
      *     is no such namespace 
 107  
      */
 108  
     String translateNamespacePrefixToUri(String prefix);
 109  
 }