| 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 |
|
|---|
