Coverage Report - org.apache.commons.betwixt.expression.VariableExpression

Classes in this File	Line Coverage	Branch Coverage	Complexity
VariableExpression	0%	N/A	1.0;1

1		/*
2		* Copyright 2001-2004 The Apache Software Foundation.
3		*
4		* Licensed under the Apache License, Version 2.0 (the "License");
5		* you may not use this file except in compliance with the License.
6		* You may obtain a copy of the License at
7		*
8		* http://www.apache.org/licenses/LICENSE-2.0
9		*
10		* Unless required by applicable law or agreed to in writing, software
11		* distributed under the License is distributed on an "AS IS" BASIS,
12		* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13		* See the License for the specific language governing permissions and
14		* limitations under the License.
15		*/
16		package org.apache.commons.betwixt.expression;
17
18		/** <p><code>VariableExpression</code> represents a variable expression such as
19		* <code>$foo</code> which returns the value of the given variable.</p>
20		*
21		* @author <a href="mailto:jstrachan@apache.org">James Strachan</a>
22		* @version $Revision: 155402 $
23		*/
24		public class VariableExpression implements Expression {
25
26		/** The variable name */
27		private String variableName;
28
29		/** Base constructor */
30	0	public VariableExpression() {
31	0	}
32
33		/**
34		* Convenience constructor sets <code>VariableName</code> property
35		* @param variableName the name of the context variable
36		* whose value will be returned by an evaluation
37		*/
38	0	public VariableExpression(String variableName) {
39	0	this.variableName = variableName;
40	0	}
41
42		/** Return the value of a context variable.
43		*
44		* @param context evaluate against this context
45		* @return the value of the context variable named by the <code>VariableName</code> property
46		*/
47		public Object evaluate(Context context) {
48	0	return context.getVariable( variableName );
49		}
50
51		/**
52		* Gets the variable name
53		* @return the name of the context variable whose value will be returned by an evaluation
54		*/
55		public String getVariableName() {
56	0	return variableName;
57		}
58
59		/**
60		* Sets the variable name
61		* @param variableName the name of the context variable
62		* whose value will be returned by an evaluation
63		*/
64		public void setVariableName(String variableName) {
65	0	this.variableName = variableName;
66	0	}
67
68		/**
69		* Do nothing
70		* @see org.apache.commons.betwixt.expression.Expression
71		*/
72		public void update(Context context, String newValue) {
73		// do nothing
74	0	}
75
76		/**
77		* Returns something useful for logging
78		* @return something useful for logging
79		*/
80		public String toString() {
81	0	return "VariableExpression [variable name=" + variableName + "]";
82		}
83		}