Coverage Report

Coverage Report - org.jaxen.function.LastFunction

Classes in this File

Line Coverage

Branch Coverage

Complexity

LastFunction

100%

5/5

100%

1/1

 /*
  * $Header: /home/projects/jaxen/scm/jaxen/src/java/main/org/jaxen/function/LastFunction.java,v 1.10 2006/02/05 21:47:41 elharo Exp $
  * $Revision: 1.10 $
  * $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: LastFunction.java,v 1.10 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;
 
 /**
  * <p><b>4.1</b> <code><i>number</i> last()</code> </p>
  * 
  * <blockquote src="http://www.w3.org/TR/xpath#function-last">
  * The <b>last</b> function returns a number equal to 
  * the context size from the expression evaluation context.
  * </blockquote>
  * 
  * @author bob mcwhirter (bob @ werken.com)
  * @see <a href="http://www.w3.org/TR/xpath#function-last" target="_top">Section 4.1 of the XPath Specification</a>
  */
 public class LastFunction implements Function
 {
 
     /**
      * Create a new <code>LastFunction</code> object.
      */
     public LastFunction() {}
     
     /**
      * Returns the number of nodes in the context node-set.
      * 
      * @param context the context at the point in the
      *         expression where the function is called
      * @param args an empty list
      * 
      * @return a <code>Double</code> containing the context size
      * 
      * @throws FunctionCallException if <code>args</code> is not empty
      * 
      * @see Context#getSize()
      */
     public Object call(Context context,
                        List args) throws FunctionCallException
     {
         if (args.size() == 0)
         {
             return evaluate( context );
         }
       
         throw new FunctionCallException( "last() requires no arguments." );
     }
 
     /**
      * Returns the number of nodes in the context node-set.
      * 
      * @param context the context at the point in the
      *         expression where the function is called
      * 
      * @return the context size
      * 
      * @see Context#getSize()
      */
     public static Double evaluate(Context context)
     {
         return new Double( context.getSize() );
     }
     
 }

1		/*
2		* $Header: /home/projects/jaxen/scm/jaxen/src/java/main/org/jaxen/function/LastFunction.java,v 1.10 2006/02/05 21:47:41 elharo Exp $
3		* $Revision: 1.10 $
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: LastFunction.java,v 1.10 2006/02/05 21:47:41 elharo Exp $
46		*/
47
48		package org.jaxen.function;
49
50		import java.util.List;
51
52		import org.jaxen.Context;
53		import org.jaxen.Function;
54		import org.jaxen.FunctionCallException;
55
56		/**
57		* <p><b>4.1</b> <code><i>number</i> last()</code> </p>
58		*
59		* <blockquote src="http://www.w3.org/TR/xpath#function-last">
60		* The <b>last</b> function returns a number equal to
61		* the context size from the expression evaluation context.
62		* </blockquote>
63		*
64		* @author bob mcwhirter (bob @ werken.com)
65		* @see <a href="http://www.w3.org/TR/xpath#function-last" target="_top">Section 4.1 of the XPath Specification</a>
66		*/
67		public class LastFunction implements Function
68		{
69
70		/**
71		* Create a new <code>LastFunction</code> object.
72		*/
73	106	public LastFunction() {}
74
75		/**
76		* Returns the number of nodes in the context node-set.
77		*
78		* @param context the context at the point in the
79		* expression where the function is called
80		* @param args an empty list
81		*
82		* @return a <code>Double</code> containing the context size
83		*
84		* @throws FunctionCallException if <code>args</code> is not empty
85		*
86		* @see Context#getSize()
87		*/
88		public Object call(Context context,
89		List args) throws FunctionCallException
90		{
91	28	if (args.size() == 0)
92		{
93	26	return evaluate( context );
94		}
95
96	2	throw new FunctionCallException( "last() requires no arguments." );
97		}
98
99		/**
100		* Returns the number of nodes in the context node-set.
101		*
102		* @param context the context at the point in the
103		* expression where the function is called
104		*
105		* @return the context size
106		*
107		* @see Context#getSize()
108		*/
109		public static Double evaluate(Context context)
110		{
111	26	return new Double( context.getSize() );
112		}
113
114		}