feat : Design Pattern - 추상 팩토리 패턴(Abstract Factory) 패턴 구현

놀이터(예제 코드 작성)/solid-design-pattern-sample/README.md

@@ -135,6 +135,12 @@
 
 ### 추상 팩토리(Abstract Factory) 패턴
 
+#### 구현 요구사항
+
+- 과일 이름을 입력하면 해당 과일 또는 과일주스를 만들어주는 마법이 있다.
+- 과일의 종류는 사과, 바나나, 오렌지로 총 세 가지다.
+- 과일주스의 종류도 마찬가지로 사과주스, 바나나주스, 오렌즈주스로 총 세 가지다.
+
 ### 컴포지트(Composite) 패턴
 
 ### 널(Null) 객체 패턴

놀이터(예제 코드 작성)/solid-design-pattern-sample/src/main/kotlin/com/banjjoknim/soliddesignpatternsample/designpattern/abstractfactory/after/AppleMagic.kt

@@ -0,0 +1,16 @@
+package com.banjjoknim.soliddesignpatternsample.designpattern.abstractfactory.after
+
+import com.banjjoknim.soliddesignpatternsample.designpattern.abstractfactory.common.Apple
+import com.banjjoknim.soliddesignpatternsample.designpattern.abstractfactory.common.AppleJuice
+
+class AppleMagic : Magic {
+    override fun createFruit() {
+        val apple = Apple()
+        println("과일 [${apple.name}]를 만들었습니다!")
+    }
+
+    override fun createJuice() {
+        val appleJuice = AppleJuice()
+        println("과일주스 [${appleJuice.name}]을 만들었습니다!")
+    }
+}

놀이터(예제 코드 작성)/solid-design-pattern-sample/src/main/kotlin/com/banjjoknim/soliddesignpatternsample/designpattern/abstractfactory/after/BananaMagic.kt

@@ -0,0 +1,16 @@
+package com.banjjoknim.soliddesignpatternsample.designpattern.abstractfactory.after
+
+import com.banjjoknim.soliddesignpatternsample.designpattern.abstractfactory.common.Banana
+import com.banjjoknim.soliddesignpatternsample.designpattern.abstractfactory.common.BananaJuice
+
+class BananaMagic : Magic {
+    override fun createFruit() {
+        val banana = Banana()
+        println("과일 [${banana.name}]를 만들었습니다!")
+    }
+
+    override fun createJuice() {
+        val bananaJuice = BananaJuice()
+        println("과일주스 [${bananaJuice.name}]을 만들었습니다!")
+    }
+}

놀이터(예제 코드 작성)/solid-design-pattern-sample/src/main/kotlin/com/banjjoknim/soliddesignpatternsample/designpattern/abstractfactory/after/Magic.kt

@@ -0,0 +1,35 @@
+package com.banjjoknim.soliddesignpatternsample.designpattern.abstractfactory.after
+
+import com.banjjoknim.soliddesignpatternsample.designpattern.abstractfactory.common.FruitType
+
+interface Magic {
+    companion object {
+        fun getMagic(fruitType: FruitType): Magic {
+            return when (fruitType) {
+                FruitType.APPLE -> AppleMagic()
+                FruitType.BANANA -> BananaMagic()
+                FruitType.ORANGE -> OrangeMagic()
+            }
+        }
+    }
+
+    fun createFruit()
+
+    fun createJuice()
+}
+
+//abstract class Magic {
+//    companion object {
+//        fun getMagic(fruitType: FruitType): Magic {
+//            return when (fruitType) {
+//                FruitType.APPLE -> AppleMagic()
+//                FruitType.BANANA -> BananaMagic()
+//                FruitType.ORANGE -> OrangeMagic()
+//            }
+//        }
+//    }
+//
+//    abstract fun createFruit()
+//
+//    abstract fun createJuice()
+//}

놀이터(예제 코드 작성)/solid-design-pattern-sample/src/main/kotlin/com/banjjoknim/soliddesignpatternsample/designpattern/abstractfactory/after/MagicApplication.kt

@@ -0,0 +1,12 @@
+package com.banjjoknim.soliddesignpatternsample.designpattern.abstractfactory.after
+
+import com.banjjoknim.soliddesignpatternsample.designpattern.abstractfactory.common.FruitType
+
+class MagicApplication
+
+fun main() {
+    val fruitType = FruitType.APPLE
+    val magic = Magic.getMagic(fruitType)
+    magic.createFruit()
+    magic.createJuice()
+}

놀이터(예제 코드 작성)/solid-design-pattern-sample/src/main/kotlin/com/banjjoknim/soliddesignpatternsample/designpattern/abstractfactory/after/OrangeMagic.kt

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+package com.banjjoknim.soliddesignpatternsample.designpattern.abstractfactory.after
+
+import com.banjjoknim.soliddesignpatternsample.designpattern.abstractfactory.common.Orange
+import com.banjjoknim.soliddesignpatternsample.designpattern.abstractfactory.common.OrangeJuice
+
+class OrangeMagic : Magic {
+    override fun createFruit() {
+        val orange = Orange()
+        println("과일 [${orange.name}]를 만들었습니다!")
+    }
+
+    override fun createJuice() {
+        val orangeJuice = OrangeJuice()
+        println("과일주스 [${orangeJuice.name}]을 만들었습니다!")
+    }
+}

놀이터(예제 코드 작성)/solid-design-pattern-sample/src/main/kotlin/com/banjjoknim/soliddesignpatternsample/designpattern/abstractfactory/before/Magic.kt

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+package com.banjjoknim.soliddesignpatternsample.designpattern.abstractfactory.before
+
+import com.banjjoknim.soliddesignpatternsample.designpattern.abstractfactory.common.Apple
+import com.banjjoknim.soliddesignpatternsample.designpattern.abstractfactory.common.AppleJuice
+import com.banjjoknim.soliddesignpatternsample.designpattern.abstractfactory.common.Banana
+import com.banjjoknim.soliddesignpatternsample.designpattern.abstractfactory.common.BananaJuice
+import com.banjjoknim.soliddesignpatternsample.designpattern.abstractfactory.common.FruitType
+import com.banjjoknim.soliddesignpatternsample.designpattern.abstractfactory.common.Orange
+import com.banjjoknim.soliddesignpatternsample.designpattern.abstractfactory.common.OrangeJuice
+
+class Magic {
+    fun createFruit(type: FruitType) {
+        val fruit = when (type) {
+            FruitType.APPLE -> Apple()
+            FruitType.BANANA -> Banana()
+            FruitType.ORANGE -> Orange()
+        }
+        println("과일 [${fruit.name}]를 만들었습니다!")
+    }
+
+    fun createJuice(type: FruitType) {
+        val juice = when (type) {
+            FruitType.APPLE -> AppleJuice()
+            FruitType.BANANA -> BananaJuice()
+            FruitType.ORANGE -> OrangeJuice()
+        }
+        println("과일주스 [${juice.name}]을 만들었습니다!")
+    }
+}

놀이터(예제 코드 작성)/solid-design-pattern-sample/src/main/kotlin/com/banjjoknim/soliddesignpatternsample/designpattern/abstractfactory/before/MagicApplication.kt

@@ -0,0 +1,12 @@
+package com.banjjoknim.soliddesignpatternsample.designpattern.abstractfactory.before
+
+import com.banjjoknim.soliddesignpatternsample.designpattern.abstractfactory.common.FruitType
+
+class MagicApplication
+
+fun main() {
+    val magic = Magic()
+    val fruitType = FruitType.APPLE
+    magic.createFruit(fruitType)
+    magic.createJuice(fruitType)
+}

놀이터(예제 코드 작성)/solid-design-pattern-sample/src/main/kotlin/com/banjjoknim/soliddesignpatternsample/designpattern/abstractfactory/common/FruitType.kt

@@ -0,0 +1,7 @@
+package com.banjjoknim.soliddesignpatternsample.designpattern.abstractfactory.common
+
+enum class FruitType {
+    APPLE,
+    BANANA,
+    ORANGE
+}

놀이터(예제 코드 작성)/solid-design-pattern-sample/src/main/kotlin/com/banjjoknim/soliddesignpatternsample/designpattern/abstractfactory/common/Fruits.kt

@@ -0,0 +1,11 @@
+package com.banjjoknim.soliddesignpatternsample.designpattern.abstractfactory.common
+
+interface Fruit {
+    val name: String
+}
+
+data class Apple(override val name: String = "사과") : Fruit
+
+data class Banana(override val name: String = "바나나") : Fruit
+
+data class Orange(override val name: String = "오렌지") : Fruit

놀이터(예제 코드 작성)/solid-design-pattern-sample/src/main/kotlin/com/banjjoknim/soliddesignpatternsample/designpattern/abstractfactory/common/Juices.kt

@@ -0,0 +1,11 @@
+package com.banjjoknim.soliddesignpatternsample.designpattern.abstractfactory.common
+
+interface Juice {
+    val name: String
+}
+
+data class AppleJuice(override val name: String = "사과주스") : Juice
+
+data class BananaJuice(override val name: String = "바나나주스") : Juice
+
+data class OrangeJuice(override val name: String = "오렌지주스") : Juice