org.vizzini.math
Class UnitConverter

java.lang.Object
  org.vizzini.math.UnitConverter

public class UnitConverter
extends Object

Provides convenience methods related to unit conversion.

Since:

v0.3

Version:

v0.3

Author:

Jeffrey M. Thompson

Field Summary

static String	AU Astronomical units constant.
static String	DAYS Days constant.
static String	DEGREES Degrees constant.
static String	FT Feet constant.
static String	HOURS Hours constant.
static String	KG Kilogram constant.
static String	KM Kilometers constant.
static String	M Meters constant.
static String	MIN Minutes constant.
static String	MW Mega-Watts constant.
static String	RADIANS Radians constant.
static String	SEC Seconds constant.
static String	YEARS Years constant.

Method Summary

double	convert(double value, String fromUnits, String toUnits) Convert the given value to the new units.
double	convertString(String valueAndUnitsStr, String toUnits) Return the value given by the string in the desired units.
static UnitConverter	getInstance() Return the singleton instance of this class.

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Field Detail

DEGREES

public static final String DEGREES

Degrees constant.

See Also:

Constant Field Values

RADIANS

public static final String RADIANS

Radians constant.

See Also:

Constant Field Values

AU

public static final String AU

Astronomical units constant.

See Also:

Constant Field Values

FT

public static final String FT

Feet constant.

See Also:

Constant Field Values

M

public static final String M

Meters constant.

See Also:

Constant Field Values

KM

public static final String KM

Kilometers constant.

See Also:

Constant Field Values

YEARS

public static final String YEARS

Years constant.

See Also:

Constant Field Values

DAYS

public static final String DAYS

Days constant.

See Also:

Constant Field Values

HOURS

public static final String HOURS

Hours constant.

See Also:

Constant Field Values

MIN

public static final String MIN

Minutes constant.

See Also:

Constant Field Values

SEC

public static final String SEC

Seconds constant.

See Also:

Constant Field Values

MW

public static final String MW

Mega-Watts constant.

See Also:

Constant Field Values

KG

public static final String KG

Kilogram constant.

See Also:

Constant Field Values

Method Detail

getInstance

public static UnitConverter getInstance()

Return the singleton instance of this class.

Returns:

The singleton instance.

Since:

v0.3

convert

public double convert(double value,
                      String fromUnits,
                      String toUnits)

Convert the given value to the new units.

Parameters:

value - Value to convert.

fromUnits - Current value units.

toUnits - Desired units.

Returns:

value converted to the desired units.

Since:

v0.3

convertString

public double convertString(String valueAndUnitsStr,
                            String toUnits)

Return the value given by the string in the desired units.

Parameters:

valueAndUnitsStr - String which provides the value, and optionally the units (separated by a space). For example, "1.99e30 kg".

toUnits - Desired units.

Since:

v0.3