/**
 * {@link <a href=
 * "https://[Log in to view URL]"
 * target= "_blank"></a>}
 * 
 * @author itammb ( Italia Massimiliano Buscati )
 * @version JDK 1.15
 *
 */
class Main {

	public static abstract class BeveragePreparation {
	    // Template method
	    public final void prepareBeverage(boolean request) {
	    	// algoritmo
	        boilWater(); // far bollire l'acqua
	        brew(); // infusione
	        pourIntoCup(); // versare nella tazza
	        if (request ) 
	        addCondiments(); // aggiungere spezie
	    }
	    
	    private void boilWater() {
	        System.out.println("Boiling water");
	    }

	    private void pourIntoCup() {
	        System.out.println("Pouring into cup");
	    }

	    // azione a discrezione del algoritmo specifico
	    abstract void brew(); 
	    abstract void addCondiments(); 
	}

	public static class Tea extends BeveragePreparation {
	    @Override
	    void brew() {
	    	execute("Steeping the tea"); // azione : mettere in infusione il tè
	    }

	    @Override
	    void addCondiments() {
	    	execute("Adding lemon"); // azione : aggiungere limone
	    }
	    
	    private void execute(String action) {
	    	System.out.println(action);
	    }
	}

	public static class Coffee extends BeveragePreparation {
	    @Override
	    void brew() {
	    	execute("Dripping coffee through filter"); // azione : far gocciolare il caffè attraverso il filtro
	    }

	    @Override
	    void addCondiments() {
	    	execute("Adding sugar and milk"); // azione : aggiungere zucchero e latte 
	    }
	    
	    private void execute(String action) {
	    	System.out.println(action);
	    }
	}

	public static void main(String args[]) {
		// Unit test - uso del design pattern: template method
		
	        BeveragePreparation tea = new Tea();
	        tea.prepareBeverage(true);

	        System.out.println();

	        BeveragePreparation coffee = new Coffee();
	        coffee.prepareBeverage(false);
	}
}