org.krysalis.barcode4j.tools
Class Length

java.lang.Object
  org.krysalis.barcode4j.tools.Length

public class Length
extends java.lang.Object

This class represents a length (value plus unit). It is used to parse expressions like "0.21mm".

Version:

$Id: Length.java,v 1.3 2008/05/13 13:00:46 jmaerki Exp $

Author:

Jeremias Maerki

Field Summary

static java.lang.String	CM String constant for centimeters.
static java.lang.String	INCH String constant for inches.
static java.lang.String	MM String constant for millimeters.
static java.lang.String	POINT String constant for points.

Constructor Summary

Length(double value, java.lang.String unit)
Creates a Length instance.

Length(java.lang.String text)
Creates a Length instance.

Length(java.lang.String text, java.lang.String defaultUnit)
Creates a Length instance.

Method Summary

java.lang.String	getUnit() Returns the unit.
double	getValue() Returns the value.
double	getValueAsMillimeter() Returns the value converted to internal units (mm).
protected void	parse(java.lang.String text, java.lang.String defaultUnit) Parses a value with unit.
java.lang.String	toString()

Methods inherited from class java.lang.Object

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

Field Detail

INCH

public static final java.lang.String INCH

String constant for inches.

See Also:

Constant Field Values

POINT

public static final java.lang.String POINT

String constant for points.

See Also:

Constant Field Values

CM

public static final java.lang.String CM

String constant for centimeters.

See Also:

Constant Field Values

MM

public static final java.lang.String MM

String constant for millimeters.

See Also:

Constant Field Values

Constructor Detail

Length

public Length(double value,
              java.lang.String unit)

Creates a Length instance.

Parameters:

value - the value

unit - the unit (ex. "cm")

Length

public Length(java.lang.String text,
              java.lang.String defaultUnit)

Creates a Length instance.

Parameters:

text - the String to parse

defaultUnit - the default unit to assume

Length

public Length(java.lang.String text)

Creates a Length instance. The default unit assumed is "mm".

Parameters:

text - the String to parse

Method Detail

parse

protected void parse(java.lang.String text,
                     java.lang.String defaultUnit)

Parses a value with unit.

Parameters:

text - the String to parse

defaultUnit - the default unit to assume

getUnit

public java.lang.String getUnit()

Returns the unit.

Returns:

String

getValue

public double getValue()

Returns the value.

Returns:

double

getValueAsMillimeter

public double getValueAsMillimeter()

Returns the value converted to internal units (mm).

Returns:

the value (in mm)

toString

public java.lang.String toString()

Overrides:

toString in class java.lang.Object