Coverage Report

Coverage Report - org.jaxen.expr.DefaultUnaryExpr

Classes in this File

Line Coverage

Branch Coverage

Complexity

DefaultUnaryExpr

90%

9/10

N/A

 /*
  * $Header: /home/projects/jaxen/scm/jaxen/src/java/main/org/jaxen/expr/DefaultUnaryExpr.java,v 1.16 2006/11/30 18:49:27 elharo Exp $
  * $Revision: 1.16 $
  * $Date: 2006/11/30 18:49:27 $
  *
  * ====================================================================
  *
  * 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: DefaultUnaryExpr.java,v 1.16 2006/11/30 18:49:27 elharo Exp $
  */
 
 
 
 package org.jaxen.expr;
 
 import org.jaxen.Context;
 import org.jaxen.JaxenException;
 import org.jaxen.function.NumberFunction;
 
 class DefaultUnaryExpr extends DefaultExpr implements UnaryExpr
 {
     /**
      * 
      */
     private static final long serialVersionUID = 2303714238683092334L;
     private Expr expr;
 
     DefaultUnaryExpr(Expr expr)
     {
         this.expr = expr;
     }
 
     public Expr getExpr()
     {
         return this.expr;
     }
 
     public String toString()
     {
         return "[(DefaultUnaryExpr): " + getExpr() + "]";
     }
 
     public String getText()
     {
         return "-(" + getExpr().getText() + ")";
     }
 
     public Expr simplify()
     {
         expr = expr.simplify();
 
         return this;
     }
 
     public Object evaluate(Context context) throws JaxenException
     {
         Number number = NumberFunction.evaluate( getExpr().evaluate( context ),
                                                  context.getNavigator() );
 
         return new Double( number.doubleValue() * -1 );
     }
     
 }

1		/*
2		* $Header: /home/projects/jaxen/scm/jaxen/src/java/main/org/jaxen/expr/DefaultUnaryExpr.java,v 1.16 2006/11/30 18:49:27 elharo Exp $
3		* $Revision: 1.16 $
4		* $Date: 2006/11/30 18:49:27 $
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: DefaultUnaryExpr.java,v 1.16 2006/11/30 18:49:27 elharo Exp $
46		*/
47
48
49
50		package org.jaxen.expr;
51
52		import org.jaxen.Context;
53		import org.jaxen.JaxenException;
54		import org.jaxen.function.NumberFunction;
55
56		class DefaultUnaryExpr extends DefaultExpr implements UnaryExpr
57		{
58		/**
59		*
60		*/
61		private static final long serialVersionUID = 2303714238683092334L;
62		private Expr expr;
63
64		DefaultUnaryExpr(Expr expr)
65	136	{
66	136	this.expr = expr;
67	136	}
68
69		public Expr getExpr()
70		{
71	288	return this.expr;
72		}
73
74		public String toString()
75		{
76	0	return "[(DefaultUnaryExpr): " + getExpr() + "]";
77		}
78
79		public String getText()
80		{
81	56	return "-(" + getExpr().getText() + ")";
82		}
83
84		public Expr simplify()
85		{
86	136	expr = expr.simplify();
87
88	136	return this;
89		}
90
91		public Object evaluate(Context context) throws JaxenException
92		{
93	120	Number number = NumberFunction.evaluate( getExpr().evaluate( context ),
94		context.getNavigator() );
95
96	120	return new Double( number.doubleValue() * -1 );
97		}
98
99		}