Sample Solutions Updated (Fall 2022)

demos/demo6/five-guys-burger-bluej-lambda/package.bluej

@@ -25,8 +25,8 @@ editor.fx.0.width=0
 editor.fx.0.x=0
 editor.fx.0.y=0
 objectbench.height=221
-objectbench.width=616
-package.divider.horizontal=0.5996150144369586
+objectbench.width=575
+package.divider.horizontal=0.5601539942252165
 package.divider.vertical=0.6637168141592921
 package.editor.height=443
 package.editor.width=944

demos/demo8/counter-burger-updated-bluej/BuildOrder.java

@@ -0,0 +1,134 @@
+
+public class BuildOrder {
+    public static Component getOrder()
+    {
+        Composite order = new Composite( "Order" ) ;
+
+        // Get Custom Burgers
+        CustomBurger customBurger1 = getBurger1() ;
+        CustomBurger customBurger2 = getBurger2() ;
+
+        // Add Custom Burger to the Order
+        order.addChild( customBurger1 );    
+        order.addChild( customBurger2 );    
+
+        return order ;
+    }
+
+    private static CustomBurger getBurger1() {
+        CustomBurger customBurger1 = new CustomBurger( "Build Your Own Burger" ) ;
+        // Burger
+        Burger b = new Burger( "Burger" ) ;
+        String[] bo = { "Organic Bison*", "1/2lb.", "On A Bun" } ;
+        b.setOptions( bo ) ;
+        // Cheese
+        Cheese c = new Cheese( "Cheese" ) ;
+        String[] co = { "Yellow American", "Spicy Jalapeno Jack" } ;
+        c.setOptions( co ) ;
+        c.wrapDecorator( b ) ;
+        // Premium Cheese
+        PremiumCheese pc = new PremiumCheese( "Premium Cheese" ) ;
+        String[] pco = { "Danish Blue Cheese" } ;
+        pc.setOptions( pco ) ;
+        pc.wrapDecorator( c ) ;
+        // Sauce
+        Sauce s = new Sauce( "Sauce" ) ;
+        String[] so = { "Mayonnaise", "Thai Peanut Sauce" } ;
+        s.setOptions( so ) ;
+        s.wrapDecorator( pc ) ;
+        // Unlimited Toppings
+        UnlimitedToppings ut = new UnlimitedToppings( "Unlimited Toppings" ) ;
+        String[] uto = { "Dill Pickle Chips", "Black Olives", "Spicy Pickles" } ;
+        ut.setOptions( uto ) ;
+        ut.wrapDecorator( s ) ;
+        // Premium Toppings
+        PremiumToppings pt = new PremiumToppings( "Premium Toppings" ) ;
+        String[] pto = { "Marinated Tomatoes" } ;
+        pt.setOptions( pto ) ;
+        pt.wrapDecorator( ut ) ;
+        // Bun Choice
+        BunChoice bc = new BunChoice( "Bun Choice" ) ;
+        String[] bco = { "Ciabatta (Vegan)" } ;
+        bc.setOptions( bco ) ;
+        bc.wrapDecorator( pt ) ;
+        // Extra Sides
+        ExtraSides ex = new ExtraSides( "Extra Sides" ) ;
+        String[] exo = { "Shoestring Fries" } ;
+        ex.setOptions( exo ) ;
+        ex.wrapDecorator( bc ) ;
+
+        // Setup Custom Burger Ingredients
+        customBurger1.setDecorator( ex ) ;
+        customBurger1.addChild( b ) ;
+        customBurger1.addChild( c ) ;
+        customBurger1.addChild( pc ) ;
+        customBurger1.addChild( s ) ;        
+        customBurger1.addChild( ut ) ;
+        customBurger1.addChild( pt ) ;
+        customBurger1.addChild( bc ) ;
+        customBurger1.addChild( ex ) ;
+
+        // return custom burger
+        return customBurger1 ;
+    }
+
+    private static CustomBurger getBurger2() {
+
+        CustomBurger customBurger2 = new CustomBurger( "Build Your Own Burger" ) ;
+
+        // Burger
+        Burger b = new Burger( "Burger" ) ;
+        String[] bo = { "Hormone & Antibiotic Free Beef*", "1/3lb.", "On A Bun" } ;
+        b.setOptions( bo ) ;
+        // Cheese
+        Cheese c = new Cheese( "Cheese" ) ;
+        String[] co = { "Smoked Gouda", "Greek Feta" } ;
+        c.setOptions( co ) ;
+        c.wrapDecorator( b ) ;
+        // Premium Cheese
+        PremiumCheese pc = new PremiumCheese( "Premium Cheese" ) ;
+        String[] pco = { "Fresh Mozzarella" } ;
+        pc.setOptions( pco ) ;
+        pc.wrapDecorator( c ) ;
+        // Sauce
+        Sauce s = new Sauce( "Sauce" ) ;
+        String[] so = { "Habanero Salsa" } ;
+        s.setOptions( so ) ;
+        s.wrapDecorator( pc ) ;
+        // Unlimited Toppings
+        UnlimitedToppings ut = new UnlimitedToppings( "Unlimited Toppings" ) ;
+        String[] uto = { "Crushed Peanuts" } ;
+        ut.setOptions( uto ) ;
+        ut.wrapDecorator( s ) ;
+        // Premium Toppings
+        PremiumToppings pt = new PremiumToppings( "Premium Toppings" ) ;
+        String[] pto = { "Sunny Side Up Egg*", "Marinated Tomatoes" } ;
+        pt.setOptions( pto ) ;
+        pt.wrapDecorator( ut ) ;
+        // Bun Choice
+        BunChoice bc = new BunChoice( "Bun Choice" ) ;
+        String[] bco = { "Gluten-Free Bun" } ;
+        bc.setOptions( bco ) ;
+        bc.wrapDecorator( pt ) ;
+        // Extra Sides
+        ExtraSides ex = new ExtraSides( "Extra Sides" ) ;
+        String[] exo = { "Shoestring Fries" } ;
+        ex.setOptions( exo ) ;
+        ex.wrapDecorator( bc ) ;
+
+        // Setup Custom Burger Ingredients
+        customBurger2.setDecorator( ex ) ;
+        customBurger2.addChild( b ) ;
+        customBurger2.addChild( c ) ;
+        customBurger2.addChild( pc ) ;
+        customBurger2.addChild( s ) ;        
+        customBurger2.addChild( ut ) ;
+        customBurger2.addChild( pt ) ;
+        customBurger2.addChild( bc ) ;
+        customBurger2.addChild( ex ) ;   
+
+        // return custom burger
+        return customBurger2 ;
+    }
+
+}

demos/demo8/counter-burger-updated-bluej/BunChoice.java

@@ -0,0 +1,35 @@
+
+public class BunChoice extends LeafDecorator
+{
+    private String[] options ;
+
+
+    public BunChoice( String d )
+    {
+        super(d) ;
+    }
+
+    public void setOptions( String[] options )
+    {
+        this.options = options ;
+       for ( int i = 0; i<options.length; i++ )
+        {
+            if ( "Gluten-Free Bun".equals(options[i]) ) this.price += 1.00 ;
+            else if ( "Hawailan Bun".equals(options[i]) ) this.price += 1.00 ;
+            else if ( "Pretzel Bun".equals(options[i]) ) this.price += 0.50 ;
+            else this.price += 0.00 ;
+        }
+     }
+
+    public String getDescription() 
+    {
+        String desc = "" ;
+        for ( int i = 0; i<options.length; i++ )
+        {
+            if (i>0) desc += " + " + options[i] ;
+            else desc = options[i] ;
+        }        
+        return desc ;
+    }
+
+}

demos/demo8/counter-burger-updated-bluej/Burger.java

@@ -0,0 +1,36 @@
+public class Burger extends LeafDecorator
+{
+    private String[] options ;
+
+
+    public Burger( String d )
+    {
+        super(d) ;
+    }
+
+    public void setOptions( String[] options )
+    {
+        this.options = options ;
+        for ( int i = 0; i<options.length; i++ )
+        {
+            if ( "1/3lb.".equals(options[i]) ) this.price += 9.00 ;
+            if ( "1/2lb.".equals(options[i]) ) this.price += 12.00 ;
+            if ( "1lb.".equals(options[i]) ) this.price += 18.00 ;
+            if ( "In A Bowl".equals(options[i]) ) this.price += 1.50 ;
+            if ( "Organic Bison*".equals(options[i]) ) this.price += 4.00 ;
+            if ( "Ahi Tuna*".equals(options[i]) ) this.price += 4.00 ;
+        }
+    }
+
+    public String getDescription() 
+    {
+        String desc = "" ;
+        for ( int i = 0; i<options.length; i++ )
+        {
+            if (i>0) desc += " + " + options[i] ;
+            else desc = options[i] ;
+        }        
+        return desc ;
+    }
+
+}

demos/demo8/counter-burger-updated-bluej/Cheese.java

@@ -0,0 +1,30 @@
+public class Cheese extends LeafDecorator
+{
+    private String[] options ;
+
+
+    public Cheese( String d )
+    {
+        super(d) ;
+    }
+
+    // 1 cheese free, extra cheese +1.00
+    public void setOptions( String[] options )
+    {
+        this.options = options ;
+        if ( options.length > 1 )
+            this.price += (options.length-1) * 1.00 ;
+    }
+
+    public String getDescription() 
+    {
+        String desc = "" ;
+        for ( int i = 0; i<options.length; i++ )
+        {
+            if (i>0) desc += " + " + options[i] ;
+            else desc = options[i] ;
+        }        
+        return desc ;
+    }
+
+}

demos/demo8/counter-burger-updated-bluej/Client.java

@@ -0,0 +1,12 @@
+
+
+public class Client {
+
+    public static void runTest()
+    {
+        Component theOrder = BuildOrder.getOrder() ;
+        theOrder.printDescription();
+
+    }
+}
+

demos/demo8/counter-burger-updated-bluej/Component.java

@@ -0,0 +1,11 @@
+
+
+public interface Component {
+
+     void printDescription() ;
+     void addChild(Component c);
+     void removeChild(Component c);
+     Component getChild(int i);
+
+}
+

demos/demo8/counter-burger-updated-bluej/Composite.java

@@ -0,0 +1,36 @@
+
+
+import java.util.ArrayList;
+
+public class Composite implements Component {
+
+    protected ArrayList<Component> components = new ArrayList<Component>()  ;
+    protected String description ;
+
+    public Composite ( String d )
+    {
+        description = d ;
+    }
+
+	public void printDescription() {
+        System.out.println( "\n" + description );
+        for (Component obj  : components)
+        {
+            obj.printDescription();
+        }
+    }
+
+	public void addChild(Component c) {
+        components.add( c ) ;
+	}
+
+	public void removeChild(Component c) {
+        components.remove(c) ;
+	}
+
+	public Component getChild(int i) {
+	    return components.get( i ) ;
+	}
+
+}
+

demos/demo8/counter-burger-updated-bluej/CustomBurger.java

@@ -0,0 +1,28 @@
+
+import java.text.DecimalFormat;
+
+public class CustomBurger extends Composite
+{
+    PriceDecorator decorator = null ;
+
+    public CustomBurger ( String d )
+    {
+        super(d) ;
+    }
+
+    public void setDecorator( PriceDecorator p )
+    {
+        this.decorator = p ;
+    }
+
+    public void printDescription() {
+        DecimalFormat fmt = new DecimalFormat("0.00");
+        System.out.println( "\n\n" + description + " " + fmt.format(decorator.getPrice()) );
+        for (Component obj  : components)
+        {
+            obj.printDescription();
+        }
+    }
+}
+
+

demos/demo8/counter-burger-updated-bluej/ExtraSides.java

@@ -0,0 +1,29 @@
+
+public class ExtraSides extends LeafDecorator
+{
+    private String[] options ;
+
+
+    public ExtraSides( String d )
+    {
+        super(d) ;
+    }
+
+    public void setOptions( String[] options )
+    {
+        this.options = options ;
+        this.price += (options.length) * 3.00 ;
+    }
+
+    public String getDescription() 
+    {
+        String desc = "" ;
+        for ( int i = 0; i<options.length; i++ )
+        {
+            if (i>0) desc += " + " + options[i] ;
+            else desc = options[i] ;
+        }        
+        return desc ;
+    }
+
+}