##### Coverage Report - org.jaxen.SimpleNamespaceContext

Classes in this File | Line Coverage | Branch Coverage | Complexity
SimpleNamespaceContext |
100% |
100% |
| 1.8;1.8

1 |  |
     /*
2 |  |
      * $Header: /home/projects/jaxen/scm/jaxen/src/java/main/org/jaxen/SimpleNamespaceContext.java,v 1.15 2005/06/28 13:44:44 elharo Exp $
3 |  |
      * $Revision: 1.15 $
4 |  |
      * $Date: 2005/06/28 13:44:44 $
5 |  |
      *
6 |  |
      * ====================================================================
7 |  |
      *
8 |  |
      * Copyright (C) 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
13 |  |
      * are met:
14 |  |
      *
15 |  |
      * 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.
22 |  |
      *
23 |  |
      * 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 |  |
      *
27 |  |
      * 4. Products derived from this software may not be called "Jaxen", nor
28 |  |
      *    may "Jaxen" appear in their name, without prior written permission
29 |  |
      *    from the Jaxen Project Management (pm@jaxen.org).
30 |  |
      *
31 |  |
      * 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
33 |  |
      * software itself an acknowledgement equivalent to the following:
34 |  |
      *     "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 |  |
      *
52 |  |
      * ====================================================================
53 |  |
      * This software consists of voluntary contributions made by many
54 |  |
      * individuals on behalf of the Jaxen Project and was originally
55 |  |
      * created by bob mcwhirter <bob@werken.com> and
56 |  |
      * James Strachan <jstrachan@apache.org>.  For more information on the
57 |  |
      * Jaxen Project, please see <http://www.jaxen.org/>.
58 |  |
      *
59 |  |
      * $Id: SimpleNamespaceContext.java,v 1.15 2005/06/28 13:44:44 elharo Exp $
60 |  |
      */
61 |  |
62 |  |
63 |  |
     package org.jaxen;
64 |  |
65 |  |
     import java.io.Serializable;
66 |  |
     import java.util.HashMap;
67 |  |
     import java.util.Iterator;
68 |  |
     import java.util.Map;
69 |  |
70 |  |
     /**
71 |  |
      *  Provides mappings from namespace prefix to namespace URI to the XPath
72 |  |
      *  engine.
73 |  |
      */
74 |  |
     public class SimpleNamespaceContext implements NamespaceContext, Serializable
75 |  |
     {
76 |  |
77 |  |
         // XXX should this prebind the xml prefix?
78 |  |
         private Map namespaces;
79 |  |
80 |  |
         /**
81 |  |
          * Creates a new empty namespace context.
82 |  |
          */
83 |  |
         public SimpleNamespaceContext()
84 | 5010 |
         {
85 | 5010 |
             this.namespaces = new HashMap();
86 | 5010 |
         }
87 |  |
88 |  |
         /**
89 |  |
          * Creates a new namespace context pre-populated with the specified bindings.
90 |  |
          *
91 |  |
          * @param namespaces the initial namespace bindings in scope. The keys in this
92 |  |
          *     must be strings containing the prefixes and the values are strings
93 |  |
          *     containing the namespace URIs.
94 |  |
          *
95 |  |
          * @throws NullPointerException if the argument is null
96 |  |
          */
97 |  |
         public SimpleNamespaceContext(Map namespaces)
98 | 6 |
         {
99 |  |
             // FIXME this is dangerous. We should check that
100 |  |
             // the contents are strings.
101 | 6 |
             this.namespaces = new HashMap(namespaces);
102 | 6 |
         }
103 |  |
104 |  |
         /**
105 |  |
          *  Adds all the namespace declarations that are in scope on the given
106 |  |
          *  element. In the case of an XSLT stylesheet, this would be the element
107 |  |
          *  that has the XPath expression in one of its attributes; e.g.
108 |  |
          *  <code>&lt;xsl:if test="condition/xpath/expression"&gt;</code>.
109 |  |
          *
110 |  |
          *  @param nav  the navigator for use in conjunction with
111 |  |
          *              <code>element</code>
112 |  |
          *  @param element the element to copy the namespaces from
113 |  |
          *  @throws UnsupportedAxisException if the navigator does not support the
114 |  |
          *     namespace axis
115 |  |
          */
116 |  |
         public void addElementNamespaces( Navigator nav, Object element )
117 |  |
             throws UnsupportedAxisException
118 |  |
         {
119 | 12 |
             Iterator namespaceAxis = nav.getNamespaceAxisIterator( element );
120 |  |
121 | 24 |
             while ( namespaceAxis.hasNext() ) {
122 | 12 |
                 Object namespace = namespaceAxis.next();
123 | 12 |
                 String prefix = nav.getNamespacePrefix( namespace );
124 | 12 |
                 String uri = nav.getNamespaceStringValue( namespace );
125 | 12 |
                 if ( translateNamespacePrefixToUri(prefix) == null ) {
126 | 12 |
                     addNamespace( prefix, uri );
127 |  |
                 }
128 |  |
             }
129 | 12 |
         }
130 |  |
131 |  |
         // ???? What if prefix or URI is null, or both?
132 |  |
         /**
133 |  |
          * Binds a prefix to a URI in this context.
134 |  |
          *
135 |  |
          * @param prefix the namespace prefix
136 |  |
          * @param URI    the namespace URI
137 |  |
          */
138 |  |
         public void addNamespace(String prefix, String URI)
139 |  |
         {
140 | 258 |
             this.namespaces.put( prefix, URI );
141 | 258 |
         }
142 |  |
143 |  |
         public String translateNamespacePrefixToUri(String prefix)
144 |  |
         {
145 | 13326 |
             if ( this.namespaces.containsKey( prefix ) )
146 |  |
             {
147 | 636 |
                 return (String) this.namespaces.get( prefix );
148 |  |
             }
149 |  |
150 | 12690 |
             return null;
151 |  |
         }
152 |  |
     }