Coverage Report

Coverage Report - org.jaxen.function.LocalNameFunction

Classes in this File

Line Coverage

Branch Coverage

Complexity

LocalNameFunction

100%

26/26

100%

11/11

8.667

 /*
  * $Header: /home/projects/jaxen/scm/jaxen/src/java/main/org/jaxen/function/LocalNameFunction.java,v 1.14 2006/02/05 21:47:41 elharo Exp $
  * $Revision: 1.14 $
  * $Date: 2006/02/05 21:47:41 $
  *
  * ====================================================================
  *
  * Copyright 2000-2002 bob mcwhirter & James Strachan.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions are
  * met:
  * 
  *   * Redistributions of source code must retain the above copyright
  *     notice, this list of conditions and the following disclaimer.
  * 
  *   * Redistributions in binary form must reproduce the above copyright
  *     notice, this list of conditions and the following disclaimer in the
  *     documentation and/or other materials provided with the distribution.
  * 
  *   * Neither the name of the Jaxen Project nor the names of its
  *     contributors may be used to endorse or promote products derived 
  *     from this software without specific prior written permission.
  * 
  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS
  * IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A
  * PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER
  * OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
  * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
  * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
  * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
  * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
  * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
  * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  *
  * ====================================================================
  * This software consists of voluntary contributions made by many 
  * individuals on behalf of the Jaxen Project and was originally 
  * created by bob mcwhirter <bob@werken.com> and 
  * James Strachan <jstrachan@apache.org>.  For more information on the 
  * Jaxen Project, please see <http://www.jaxen.org/>.
  * 
  * $Id: LocalNameFunction.java,v 1.14 2006/02/05 21:47:41 elharo Exp $
  */
 
 
 package org.jaxen.function;
 
 import java.util.List;
 
 import org.jaxen.Context;
 import org.jaxen.Function;
 import org.jaxen.FunctionCallException;
 import org.jaxen.Navigator;
 
 /**
  *   <p><b>4.1</b> <code><i>string</i> local-name(<i>node-set?</i>)</code></p> 
  *  
  * 
  * <blockquote src="http://www.w3.org/TR/xpath">
  * The <b>local-name</b> function returns the local part of the 
  * expanded-name of the node in the argument node-set that is first in document order. 
  * If the argument node-set is empty or the first node has no expanded-name, an 
  * empty string is returned. If the argument is omitted, it defaults to a node-set with the context node as its only member.
  *
  * </blockquote>
  * 
  * @author bob mcwhirter (bob @ werken.com)
  * @see <a href="http://www.w3.org/TR/xpath#function-local-name" target="_top">Section 4.1 of the XPath Specification</a>
  */
 public class LocalNameFunction implements Function
 {
     
     /**
      * Create a new <code>LocalNameFunction</code> object.
      */
     public LocalNameFunction() {}
     
     /**
      * Returns the local-name of the specified node or the context node if 
      * no arguments are provided.
      * 
      * @param context the context at the point in the
      *         expression where the function is called
      * @param args a <code>List</code> containing zero or one items
      * 
      * @return a <code>String</code> containing the local-name
      * 
      * @throws FunctionCallException if <code>args</code> has more than one item
      */
     public Object call(Context context,
                        List args) throws FunctionCallException
     {
         if ( args.size() == 0 )
         {
             return evaluate( context.getNodeSet(),
                              context.getNavigator() ); 
         }
 
         if ( args.size() == 1 )
         {
             return evaluate( args,
                              context.getNavigator() );
         }
 
         throw new FunctionCallException( "local-name() requires zero or one argument." );
     }
 
     /**
      * Returns the local-name of <code>list.get(0)</code>
      * 
      * @param list a list of nodes
      * @param nav the <code>Navigator</code> used to retrieve the local name
      * 
      * @return the local-name of <code>list.get(0)</code>
      * 
      * @throws FunctionCallException if <code>list.get(0)</code> is not a node
      */
     public static String evaluate(List list,
                                   Navigator nav) throws FunctionCallException
     {
         if ( ! list.isEmpty() )
         {            
             Object first = list.get(0);
 
             if (first instanceof List)
             {
                 return evaluate( (List) first,
                                  nav );
             }
             else if ( nav.isElement( first ) )
             {
                 return nav.getElementName( first );
             }
             else if ( nav.isAttribute( first ) )
             {
                 return nav.getAttributeName( first );
             }
             else if ( nav.isProcessingInstruction( first ) )
             {
                 return nav.getProcessingInstructionTarget( first );
             }
             else if ( nav.isNamespace( first ) )
             {
                 return nav.getNamespacePrefix( first );
             }
             else if ( nav.isDocument( first ) )
             {
                 return "";
             }
             else if ( nav.isComment( first ) )
             {
                 return "";
             }
             else if ( nav.isText( first ) )
             {
                 return "";
             }
             else {
                 throw new FunctionCallException("The argument to the local-name function must be a node-set");   
             }
         }
 
         return "";
     }
     
 }
 

1		/*
2		* $Header: /home/projects/jaxen/scm/jaxen/src/java/main/org/jaxen/function/LocalNameFunction.java,v 1.14 2006/02/05 21:47:41 elharo Exp $
3		* $Revision: 1.14 $
4		* $Date: 2006/02/05 21:47:41 $
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: LocalNameFunction.java,v 1.14 2006/02/05 21:47:41 elharo Exp $
46		*/
47
48
49		package org.jaxen.function;
50
51		import java.util.List;
52
53		import org.jaxen.Context;
54		import org.jaxen.Function;
55		import org.jaxen.FunctionCallException;
56		import org.jaxen.Navigator;
57
58		/**
59		* <p><b>4.1</b> <code><i>string</i> local-name(<i>node-set?</i>)</code></p>
60		*
61		*
62		* <blockquote src="http://www.w3.org/TR/xpath">
63		* The <b>local-name</b> function returns the local part of the
64		* expanded-name of the node in the argument node-set that is first in document order.
65		* If the argument node-set is empty or the first node has no expanded-name, an
66		* empty string is returned. If the argument is omitted, it defaults to a node-set with the context node as its only member.
67		*
68		* </blockquote>
69		*
70		* @author bob mcwhirter (bob @ werken.com)
71		* @see <a href="http://www.w3.org/TR/xpath#function-local-name" target="_top">Section 4.1 of the XPath Specification</a>
72		*/
73		public class LocalNameFunction implements Function
74		{
75
76		/**
77		* Create a new <code>LocalNameFunction</code> object.
78		*/
79	106	public LocalNameFunction() {}
80
81		/**
82		* Returns the local-name of the specified node or the context node if
83		* no arguments are provided.
84		*
85		* @param context the context at the point in the
86		* expression where the function is called
87		* @param args a <code>List</code> containing zero or one items
88		*
89		* @return a <code>String</code> containing the local-name
90		*
91		* @throws FunctionCallException if <code>args</code> has more than one item
92		*/
93		public Object call(Context context,
94		List args) throws FunctionCallException
95		{
96	1940	if ( args.size() == 0 )
97		{
98	1916	return evaluate( context.getNodeSet(),
99		context.getNavigator() );
100		}
101
102	24	if ( args.size() == 1 )
103		{
104	22	return evaluate( args,
105		context.getNavigator() );
106		}
107
108	2	throw new FunctionCallException( "local-name() requires zero or one argument." );
109		}
110
111		/**
112		* Returns the local-name of <code>list.get(0)</code>
113		*
114		* @param list a list of nodes
115		* @param nav the <code>Navigator</code> used to retrieve the local name
116		*
117		* @return the local-name of <code>list.get(0)</code>
118		*
119		* @throws FunctionCallException if <code>list.get(0)</code> is not a node
120		*/
121		public static String evaluate(List list,
122		Navigator nav) throws FunctionCallException
123		{
124	1958	if ( ! list.isEmpty() )
125		{
126	1956	Object first = list.get(0);
127
128	1956	if (first instanceof List)
129		{
130	20	return evaluate( (List) first,
131		nav );
132		}
133	1936	else if ( nav.isElement( first ) )
134		{
135	1922	return nav.getElementName( first );
136		}
137	14	else if ( nav.isAttribute( first ) )
138		{
139	2	return nav.getAttributeName( first );
140		}
141	12	else if ( nav.isProcessingInstruction( first ) )
142		{
143	2	return nav.getProcessingInstructionTarget( first );
144		}
145	10	else if ( nav.isNamespace( first ) )
146		{
147	2	return nav.getNamespacePrefix( first );
148		}
149	8	else if ( nav.isDocument( first ) )
150		{
151	2	return "";
152		}
153	6	else if ( nav.isComment( first ) )
154		{
155	2	return "";
156		}
157	4	else if ( nav.isText( first ) )
158		{
159	2	return "";
160		}
161		else {
162	2	throw new FunctionCallException("The argument to the local-name function must be a node-set");
163		}
164		}
165
166	2	return "";
167		}
168
169		}
170