package structural;

import java.text.DecimalFormat;

interface Metrics {

public double getDistance();

public double getWeight();

}

class UKMetrics implements Metrics{

// In Kilometers

public double distance;

// In Kilograms

public double weight;

UKMetrics(double distance,double weight){

this.distance = distance;

this.weight = weight;

}

public double getDistance() {

return distance;

}

public double getWeight() {

return weight;

}

}

class UkToUsAdapter implements Metrics{

private static final DecimalFormat df = new DecimalFormat("0.00");

public double distance;

// In Kilograms

public double weight;

UkToUsAdapter(Metrics ukType){

this.distance = Double.parseDouble(df.format(ukType.getDistance() * 0.621371));

this.weight = Double.parseDouble(df.format(ukType.getWeight() * 2.20462));

}

@Override

public double getDistance() {

return distance;

}

@Override

public double getWeight() {

return weight;

}

}

public class Adapter {

public static void main(String[] args) {

Metrics uk = new UKMetrics(50, 80);

System.out.println("UK Type: Distance " + uk.getDistance() + " KM and weight " + uk.getWeight() + " Kg");

// Adapter to US type

Metrics us = new UkToUsAdapter(uk);

System.out.println("UK Type: Distance " + us.getDistance() + " Miles and weight " + us.getWeight() + " lbs");

}

}