Direction.java
package org.djunits.value.vdouble.scalar;
import java.util.regex.Matcher;
import javax.annotation.Generated;
import org.djunits.Throw;
import org.djunits.unit.AngleUnit;
import org.djunits.unit.DirectionUnit;
import org.djunits.value.util.ValueUtil;
import org.djunits.value.vdouble.scalar.base.AbstractDoubleScalarAbs;
/**
* Easy access methods for the Absolute Direction DoubleScalar.
* <p>
* Copyright (c) 2013-2020 Delft University of Technology, PO Box 5, 2600 AA, Delft, the Netherlands. <br>
* All rights reserved. <br>
* BSD-style license. See <a href="https://opentrafficsim.org/docs/license.html">OpenTrafficSim License</a>.
* </p>
* @author <a href="https://www.tudelft.nl/averbraeck">Alexander Verbraeck</a>
* @author <a href="https://www.tudelft.nl/staff/p.knoppers/">Peter Knoppers</a>
*/
@Generated(value = "org.djunits.generator.GenerateDJUNIT", date = "2020-01-19T15:21:24.964166400Z")
public class Direction extends AbstractDoubleScalarAbs<DirectionUnit, Direction, AngleUnit, Angle>
{
/** */
private static final long serialVersionUID = 20150901L;
/** Constant with value zero. */
public static final Direction ZERO = new Direction(0.0, DirectionUnit.DEFAULT);
/**
* Construct Direction scalar.
* @param value double; value
* @param unit DirectionUnit; unit for the double value
*/
public Direction(final double value, final DirectionUnit unit)
{
super(value, unit);
}
/**
* Construct Direction scalar.
* @param value Direction; Scalar from which to construct this instance
*/
public Direction(final Direction value)
{
super(value);
}
/** {@inheritDoc} */
@Override
public final Direction instantiateAbs(final double value, final DirectionUnit unit)
{
return new Direction(value, unit);
}
/** {@inheritDoc} */
@Override
public final Angle instantiateRel(final double value, final AngleUnit unit)
{
return new Angle(value, unit);
}
/**
* Construct Direction scalar.
* @param value double; value in SI units
* @return Direction; the new scalar with the SI value
*/
public static final Direction instantiateSI(final double value)
{
return new Direction(value, DirectionUnit.DEFAULT);
}
/**
* Interpolate between two values.
* @param zero Direction; the low value
* @param one Direction; the high value
* @param ratio double; the ratio between 0 and 1, inclusive
* @return Direction; a Scalar at the ratio between
*/
public static Direction interpolate(final Direction zero, final Direction one, final double ratio)
{
return new Direction(zero.getInUnit() * (1 - ratio) + one.getInUnit(zero.getDisplayUnit()) * ratio,
zero.getDisplayUnit());
}
/**
* Return the maximum value of two absolute scalars.
* @param a1 Direction; the first scalar
* @param a2 Direction; the second scalar
* @return Direction; the maximum value of two absolute scalars
*/
public static Direction max(final Direction a1, final Direction a2)
{
return a1.gt(a2) ? a1 : a2;
}
/**
* Return the maximum value of more than two absolute scalars.
* @param a1 Direction; the first scalar
* @param a2 Direction; the second scalar
* @param an Direction...; the other scalars
* @return the maximum value of more than two absolute scalars
*/
public static Direction max(final Direction a1, final Direction a2, final Direction... an)
{
Direction maxa = a1.gt(a2) ? a1 : a2;
for (Direction a : an)
{
if (a.gt(maxa))
{
maxa = a;
}
}
return maxa;
}
/**
* Return the minimum value of two absolute scalars.
* @param a1 Direction; the first scalar
* @param a2 Direction; the second scalar
* @return the minimum value of two absolute scalars
*/
public static Direction min(final Direction a1, final Direction a2)
{
return a1.lt(a2) ? a1 : a2;
}
/**
* Return the minimum value of more than two absolute scalars.
* @param a1 Direction; the first scalar
* @param a2 Direction; the second scalar
* @param an Direction...; the other scalars
* @return the minimum value of more than two absolute scalars
*/
public static Direction min(final Direction a1, final Direction a2, final Direction... an)
{
Direction mina = a1.lt(a2) ? a1 : a2;
for (Direction a : an)
{
if (a.lt(mina))
{
mina = a;
}
}
return mina;
}
/**
* Returns a Direction representation of a textual representation of a value with a unit. The String representation that can
* be parsed is the double value in the unit, followed by the official abbreviation of the unit. Spaces are allowed, but not
* required, between the value and the unit.
* @param text String; the textual representation to parse into a Direction
* @return Direction; the Scalar representation of the value in its unit
* @throws IllegalArgumentException when the text cannot be parsed
* @throws NullPointerException when the text argument is null
*/
public static Direction valueOf(final String text)
{
Throw.whenNull(text, "Error parsing Direction: text to parse is null");
Throw.when(text.length() == 0, IllegalArgumentException.class, "Error parsing Direction: empty text to parse");
Matcher matcher = ValueUtil.NUMBER_PATTERN.matcher(text);
if (matcher.find())
{
int index = matcher.end();
String unitString = text.substring(index).trim();
String valueString = text.substring(0, index).trim();
DirectionUnit unit = DirectionUnit.BASE.getUnitByAbbreviation(unitString);
if (unit != null)
{
double d = Double.parseDouble(valueString);
return new Direction(d, unit);
}
}
throw new IllegalArgumentException("Error parsing Direction from " + text);
}
/**
* Returns a Direction based on a value and the textual representation of the unit.
* @param value double; the value to use
* @param unitString String; the textual representation of the unit
* @return Direction; the Scalar representation of the value in its unit
* @throws IllegalArgumentException when the unit cannot be parsed or is incorrect
* @throws NullPointerException when the unitString argument is null
*/
public static Direction of(final double value, final String unitString)
{
Throw.whenNull(unitString, "Error parsing Direction: unitString is null");
Throw.when(unitString.length() == 0, IllegalArgumentException.class, "Error parsing Direction: empty unitString");
DirectionUnit unit = DirectionUnit.BASE.getUnitByAbbreviation(unitString);
if (unit != null)
{
return new Direction(value, unit);
}
throw new IllegalArgumentException("Error parsing Direction with unit " + unitString);
}
}