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BAEL-1106 Introduction to javax.measure

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parthkaria 2017-08-29 17:14:13 +05:30
parent 89d89e6dce
commit 9f9fbc4523
3 changed files with 102 additions and 0 deletions
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8
core-java/pom.xml
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@ -212,6 +212,13 @@
<artifactId>streamex</artifactId>
<version>${streamex.version}</version>
</dependency>
<dependency>
<groupId>javax.measure</groupId>
<artifactId>jsr-275</artifactId>
<version>${javax-measure.version}</version>
</dependency>
</dependencies>
<build>
@ -438,6 +445,7 @@
<hirondelle-date4j.version>1.5.1</hirondelle-date4j.version>
<protonpack.version>1.13</protonpack.version>
<streamex.version>0.6.5</streamex.version>
<javax-measure.version>0.9.1</javax-measure.version>
<!-- testing -->
<org.hamcrest.version>1.3</org.hamcrest.version>

26
core-java/src/main/java/com/baeldung/javax/measure/WaterTank.java Normal file
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@ -0,0 +1,26 @@
package com.baeldung.javax.measure;
import javax.measure.Measure;
import javax.measure.quantity.Volume;
public class WaterTank {
private Measure<Volume> capacityMeasure;
private double capacityDouble;
public void setCapacityMeasure(Measure<Volume> capacityMeasure) {
this.capacityMeasure = capacityMeasure;
}
public void setCapacityDouble(double capacityDouble) {
this.capacityDouble = capacityDouble;
}
public Measure<Volume> getCapacityMeasure() {
return capacityMeasure;
}
public double getCapacityDouble() {
return capacityDouble;
}
}

68
core-java/src/test/java/com/baeldung/javax/measure/WaterTankTests.java Normal file
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@ -0,0 +1,68 @@
package com.baeldung.javax.measure;
import javax.measure.Measure;
import javax.measure.converter.UnitConverter;
import javax.measure.quantity.Duration;
import javax.measure.quantity.Length;
import javax.measure.quantity.Pressure;
import javax.measure.quantity.Volume;
import static javax.measure.unit.NonSI.HOUR;
import static javax.measure.unit.NonSI.LITRE;
import static javax.measure.unit.NonSI.MILE;
import static javax.measure.unit.NonSI.MINUTE;
import javax.measure.unit.SI;
import static javax.measure.unit.SI.KILO;
import static javax.measure.unit.SI.METER;
import static javax.measure.unit.SI.NEWTON;
import static javax.measure.unit.SI.SECOND;
import javax.measure.unit.Unit;
import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertTrue;
import org.junit.Test;
public class WaterTankTests {
@Test
public void givenMeasure_whenGetUnitAndConvertValue_thenSuccess() {
WaterTank waterTank = new WaterTank();
waterTank.setCapacityMeasure(Measure.valueOf(9.2, LITRE));
assertEquals(LITRE, waterTank.getCapacityMeasure().getUnit());
Measure<Volume> waterCapacity = waterTank.getCapacityMeasure();
double volumeInLitre = waterCapacity.getValue().doubleValue();
assertEquals(9.2, volumeInLitre, 0.0f);
double volumeInMilliLitre = waterCapacity.doubleValue(SI.MILLI(LITRE));
assertEquals(9200.0, volumeInMilliLitre, 0.0f);
Unit<Length> Kilometer = SI.KILO(METER);
Unit<Length> Centimeter = SI.CENTI(METER);
}
@Test
public void givenMeasure_whenAlternateMeasure_ThenGetAlternateMeasure() {
Unit<Pressure> PASCAL = NEWTON.divide(METER.pow(2)).alternate("Pa");
assertTrue(Unit.valueOf("Pa").equals(PASCAL));
}
@Test
public void givenMeasure_whenCompoundMeasure_ThenGetCompoundMeasure() {
Unit<Duration> HOUR_MINUTE_SECOND = HOUR.compound(MINUTE).compound(SECOND);
Measure<Duration> duration = Measure.valueOf(12345, SECOND);
assertEquals("3h25min45s", duration.to(HOUR_MINUTE_SECOND).toString());
}
@Test
public void givenMiles_whenConvertToKilometer_ThenConverted() {
double distanceInMiles = 50.0;
UnitConverter mileToKilometer = MILE.getConverterTo(KILO(METER));
double distanceInKilometers = mileToKilometer.convert(distanceInMiles);
assertEquals(80.4672, distanceInKilometers, 0.00f);
}
@Test
public void givenSymbol_WhenCompareToSystemUnit_ThenSuccess() {
assertTrue(Unit.valueOf("kW").equals(SI.KILO(SI.WATT)));
assertTrue(Unit.valueOf("ms").equals(SI.SECOND.divide(1000)));
}
}