1 | /*
|
---|
2 | * The Apache Software License, Version 1.1
|
---|
3 | *
|
---|
4 | * Copyright (c) 2001-2002 The Apache Software Foundation. All rights
|
---|
5 | * reserved.
|
---|
6 | *
|
---|
7 | * Redistribution and use in source and binary forms, with or without
|
---|
8 | * modification, are permitted provided that the following conditions
|
---|
9 | * are met:
|
---|
10 | *
|
---|
11 | * 1. Redistributions of source code must retain the above copyright
|
---|
12 | * notice, this list of conditions and the following disclaimer.
|
---|
13 | *
|
---|
14 | * 2. Redistributions in binary form must reproduce the above copyright
|
---|
15 | * notice, this list of conditions and the following disclaimer in
|
---|
16 | * the documentation and/or other materials provided with the
|
---|
17 | * distribution.
|
---|
18 | *
|
---|
19 | * 3. The end-user documentation included with the redistribution, if
|
---|
20 | * any, must include the following acknowlegement:
|
---|
21 | * "This product includes software developed by the
|
---|
22 | * Apache Software Foundation (http://www.apache.org/)."
|
---|
23 | * Alternately, this acknowlegement may appear in the software itself,
|
---|
24 | * if and wherever such third-party acknowlegements normally appear.
|
---|
25 | *
|
---|
26 | * 4. The names "The Jakarta Project", "Ant", and "Apache Software
|
---|
27 | * Foundation" must not be used to endorse or promote products derived
|
---|
28 | * from this software without prior written permission. For written
|
---|
29 | * permission, please contact [email protected].
|
---|
30 | *
|
---|
31 | * 5. Products derived from this software may not be called "Apache"
|
---|
32 | * nor may "Apache" appear in their names without prior written
|
---|
33 | * permission of the Apache Group.
|
---|
34 | *
|
---|
35 | * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED
|
---|
36 | * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
|
---|
37 | * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
|
---|
38 | * DISCLAIMED. IN NO EVENT SHALL THE APACHE SOFTWARE FOUNDATION OR
|
---|
39 | * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
|
---|
40 | * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
|
---|
41 | * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
|
---|
42 | * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
|
---|
43 | * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
|
---|
44 | * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
|
---|
45 | * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
|
---|
46 | * SUCH DAMAGE.
|
---|
47 | * ====================================================================
|
---|
48 | *
|
---|
49 | * This software consists of voluntary contributions made by many
|
---|
50 | * individuals on behalf of the Apache Software Foundation. For more
|
---|
51 | * information on the Apache Software Foundation, please see
|
---|
52 | * <http://www.apache.org/>.
|
---|
53 | */
|
---|
54 | package ise.antelope.tasks;
|
---|
55 |
|
---|
56 | import org.apache.tools.ant.BuildException;
|
---|
57 |
|
---|
58 | /**
|
---|
59 | * Represents a number.
|
---|
60 | * @author Dale Anson, [email protected]
|
---|
61 | */
|
---|
62 | public class Num {
|
---|
63 |
|
---|
64 | // the value of this number
|
---|
65 | private String value = null;
|
---|
66 |
|
---|
67 | private String datatype = null;
|
---|
68 |
|
---|
69 | /**
|
---|
70 | * Set the value for this number. This string must parse to the set
|
---|
71 | * datatype, for example, setting value to "7.992" and datatype to INT
|
---|
72 | * will cause a number format exception to be thrown. Supports two special
|
---|
73 | * numbers, "E" and "PI".
|
---|
74 | * @param value the value for this number
|
---|
75 | */
|
---|
76 | public void setValue( String value ) {
|
---|
77 | if (value.equals("E"))
|
---|
78 | value = String.valueOf(java.lang.Math.E);
|
---|
79 | else if (value.equals("PI"))
|
---|
80 | value = String.valueOf(java.lang.Math.PI);
|
---|
81 | this.value = value;
|
---|
82 | }
|
---|
83 |
|
---|
84 | /**
|
---|
85 | * @return the value for this number as a Number. Cast as appropriate to
|
---|
86 | * Integer, Long, Float, or Double.
|
---|
87 | */
|
---|
88 | public Number getValue() {
|
---|
89 | if (datatype == null)
|
---|
90 | datatype = "double";
|
---|
91 | if ( datatype.equals("int") )
|
---|
92 | return new Integer( value );
|
---|
93 | if ( datatype.equals("long" ))
|
---|
94 | return new Long( value );
|
---|
95 | if ( datatype.equals("float" ))
|
---|
96 | return new Float( value );
|
---|
97 | if ( datatype.equals("double" ))
|
---|
98 | return new Double( value );
|
---|
99 | throw new BuildException( "Invalid datatype." );
|
---|
100 | }
|
---|
101 |
|
---|
102 | /**
|
---|
103 | * Sets the datatype of this number. Allowed values are
|
---|
104 | * "int", "long", "float", or "double".
|
---|
105 | */
|
---|
106 | public void setDatatype( String p ) {
|
---|
107 | datatype = p;
|
---|
108 | }
|
---|
109 |
|
---|
110 | /**
|
---|
111 | * @return the datatype as one of the defined types.
|
---|
112 | */
|
---|
113 | public String getDatatype() {
|
---|
114 | if (datatype == null)
|
---|
115 | datatype = "double";
|
---|
116 | return datatype;
|
---|
117 | }
|
---|
118 |
|
---|
119 | public String toString() {
|
---|
120 | return getValue().toString();
|
---|
121 | }
|
---|
122 | }
|
---|
123 |
|
---|