feat: added custom exception

Author: haldanek

lesson_16/objects/objects_app/src/main/java/com/codedifferently/lesson16/KimberleeObject/ConnectionNotFoundException.java

@@ -0,0 +1,7 @@
+package com.codedifferently.lesson16.KimberleeObject;
+
+public class ConnectionNotFoundException extends Exception {
+    public ConnectionNotFoundException(String message) {
+        super(message);
+    }
+}

lesson_16/objects/objects_app/src/main/java/com/codedifferently/lesson16/KimberleeObject/HeadPhones.java

@@ -11,6 +11,7 @@ public class HeadPhones {
   private HeadPhoneColor headPhoneColor = HeadPhoneColor.BLACK;
   private boolean isWireless = true;
   private String brands = "Beats";
+  private boolean isConnectedToBluetooth = false;
 
   public enum HeadPhoneColor {
     RED,
@@ -81,12 +82,27 @@ public void setColor(HeadPhoneColor color) {
   }
 
   public class BrandUtils {
-    private static final String[] PREFERRED_BRANDS = {
-      "Beats", "Sony", "Bose", "SkullCandy", "Juicy"
-    };
+    private static final String[] PREFERRED_BRANDS = {"Beats", "Sony", "Bose", "SkullCandy", "Juicy"};
 
-    public static boolean isPreferredBrand(String brand) {
-      return Arrays.asList(PREFERRED_BRANDS).contains(brand);
-    }
+  public static boolean isPreferredBrand(String brand) {
+    return Arrays.asList(PREFERRED_BRANDS).contains(brand);
   }
+}
+
+  public void connectToBluetooth() {
+    if (isPoweredOn && isWireless) {
+            isConnectedToBluetooth = true;
+    }
+}
+
+  public boolean isConnectedToBluetooth() {
+     return isConnectedToBluetooth;
+}
+
+public void wirelessConnection() throws ConnectionNotFoundException {
+    if (!isConnectedToBluetooth) {
+        throw new ConnectionNotFoundException("Headphones Wireless Connection Not Found.");
+    }
+    
+}
 }

lesson_16/objects/objects_app/src/main/java/com/codedifferently/lesson16/KimberleeObject/WirelessConnection.java

@@ -0,0 +1,10 @@
+package com.codedifferently.lesson16.KimberleeObject;
+
+public class WirelessConnection {
+
+    public WirelessConnection get(boolean isConnectedToBluetooth) {
+        // TODO Auto-generated method stub
+        throw new UnsupportedOperationException("Unimplemented method 'get'");
+    }
+
+}

lesson_16/objects/objects_app/src/test/java/com/codedifferently/lesson16/KimberleeObjectTest/ConnectionNotFoundException.java

@@ -0,0 +1,5 @@
+package com.codedifferently.lesson16.KimberleeObjectTest;
+
+public class ConnectionNotFoundException {
+
+}

lesson_16/objects/objects_app/src/test/java/com/codedifferently/lesson16/KimberleeObjectTest/HeadPhonesTest.java

@@ -2,6 +2,7 @@
 
 import static org.junit.jupiter.api.Assertions.*;
 
+import static org.assertj.core.api.Assertions.assertThatThrownBy;
 import com.codedifferently.lesson16.KimberleeObject.HeadPhones;
 import com.codedifferently.lesson16.KimberleeObject.HeadPhones.HeadPhoneColor;
 import org.junit.jupiter.api.BeforeEach;
@@ -91,4 +92,24 @@ public void testPreferredBrand() {
         BrandsArray.isPreferredBrand("SkullCandy"), "SkullCandy should be a preferred brand.");
     assertTrue(BrandsArray.isPreferredBrand("Juicy"), "Juicy should be a preferred brand.");
   }
+
+  @Test
+  public void testwirelessConnection() throws Exception {
+    // Arrange
+    headphones.isPoweredOn(); 
+    headphones.isWireless();
+    // Act
+    headphones.connectToBluetooth();
+    // Assert
+    assertTrue(headphones.isConnectedToBluetooth(), "Headphones should connect to bluetooh when wireless and turned on.");
+  }
+
+  @Test
+  public void testwirelessConnection_connectionNotFound() throws Exception {
+    // Act
+    assertThatThrownBy(() -> headphones.wirelessConnection())
+                .isInstanceOf(ConnectionNotFoundException.class)
+                .hasMessage("Headphones Wireless Connection Not Found.");
+          }
 }
+