Class UnitConvModel

java.lang.Object

UnitConvModel

public class UnitConvModel
extends java.lang.Object

This is the model for the Unit Converter application.

Field Summary

Fields

Modifier and Type	Field and Description
double	CM_PER_INCH Represents the number of centimetres in an inch.
double	KG_PER_LBS Represents the number of kilograms in a pound.

Constructor Summary

Constructors

Constructor and Description
UnitConvModel() Creates a model with no user values and a calculated value of zero.

Method Summary

Methods

Modifier and Type	Method and Description
void	clear() Re-initialises this model with a calculated value of zero.
void	cmToInches(double cm) Converts the passed value in centimetres to the corresponding length in inches.
void	cToF(double c) Converts the passed value in Celcius to the corresponding temperature in Fahrenheit
void	fToC(double f) Converts the passed value in Fahrenheit to the corresponding temperature in Celcius
double	getInputValue() Returns the input value of this model.
double	getResultValue() Returns the converted value calculated by this model.
void	inchesToCm(double in) Converts the passed value in inches to the corresponding length in centimetres.
void	kgToLbs(double kgs) Converts the passed value in kilograms to the corresponding weight in pounds.
void	lbsToKg(double lbs) Converts the passed value in pounds to the corresponding weight in kilograms.
void	save(java.io.File file) Saves the current conversion to a file in plain text.

Methods inherited from class java.lang.Object

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

Field Detail

KG_PER_LBS

public final double KG_PER_LBS

Represents the number of kilograms in a pound.

See Also:

Constant Field Values

CM_PER_INCH

public final double CM_PER_INCH

Represents the number of centimetres in an inch.

See Also:

Constant Field Values

Constructor Detail

UnitConvModel

public UnitConvModel()

Creates a model with no user values and a calculated value of zero.

Method Detail

clear

public void clear()

Re-initialises this model with a calculated value of zero.

getInputValue

public double getInputValue()

Returns the input value of this model.

Returns:

the input value as a double

getResultValue

public double getResultValue()

Returns the converted value calculated by this model.

Returns:

the converted value as a double

save

public void save(java.io.File file)

Saves the current conversion to a file in plain text.

Parameters:

file - the file to create for the output

cmToInches

public void cmToInches(double cm)

Converts the passed value in centimetres to the corresponding length in inches.

Parameters:

cm - a length in centimetres

inchesToCm

public void inchesToCm(double in)

Converts the passed value in inches to the corresponding length in centimetres.

Parameters:

in - a length in inches

lbsToKg

public void lbsToKg(double lbs)

Converts the passed value in pounds to the corresponding weight in kilograms.

Parameters:

lbs - a weight in pounds

kgToLbs

public void kgToLbs(double kgs)

Converts the passed value in kilograms to the corresponding weight in pounds.

Parameters:

kgs - a weight in kilograms

cToF

public void cToF(double c)

Converts the passed value in Celcius to the corresponding temperature in Fahrenheit

Parameters:

c - a temperature in Celcius

fToC

public void fToC(double f)

Converts the passed value in Fahrenheit to the corresponding temperature in Celcius

Parameters:

f - a temperature in Fahrenheit