simple factory

mingjunli · mingjunli · commit b2538594e493 · 2016-11-14T17:38:27.000+08:00
diff --git a/src/com/anly/designpattern/simplefactory/Coke.java b/src/com/anly/designpattern/simplefactory/Coke.java
@@ -0,0 +1,11 @@
+package com.anly.designpattern.simplefactory;
+
+/**
+ * Created by mingjun on 2016/11/14.
+ */
+public class Coke extends Drink {
+    @Override
+    String getInstantPackage() {
+        return "速溶可乐粉";
+    }
+}
diff --git a/src/com/anly/designpattern/simplefactory/Cousins.java b/src/com/anly/designpattern/simplefactory/Cousins.java
@@ -0,0 +1,25 @@
+package com.anly.designpattern.simplefactory;
+
+/**
+ * Created by mingjun on 2016/11/14.
+ */
+public class Cousins {
+
+    public static Drink create(String drinkType) {
+
+        //  Java7开始, switch支持String
+        switch (drinkType) {
+            case "橙汁":
+                return new OrangeJuice();
+
+            case "酸梅汤":
+                return new PlumJuice();
+
+            case "可乐":
+                return new Coke();
+
+            default:
+                return new OrangeJuice();
+        }
+    }
+}
diff --git a/src/com/anly/designpattern/simplefactory/Drink.java b/src/com/anly/designpattern/simplefactory/Drink.java
@@ -0,0 +1,23 @@
+package com.anly.designpattern.simplefactory;
+
+/**
+ * Created by mingjun on 2016/11/14.
+ */
+public abstract class Drink {
+
+    public void make() {
+        // 1. 拿出一次性饮料杯
+        System.out.println("拿出一次性饮料杯");
+
+        // 2. 加入速溶橙汁粉
+        System.out.println("加入" + getInstantPackage());
+
+        // 3. 加水冲兑
+        System.out.println("加水");
+
+        // 4. 加盖, 打包
+        System.out.println("加盖, 打包");
+    }
+
+    abstract String getInstantPackage();
+}
diff --git a/src/com/anly/designpattern/simplefactory/OrangeJuice.java b/src/com/anly/designpattern/simplefactory/OrangeJuice.java
@@ -0,0 +1,11 @@
+package com.anly.designpattern.simplefactory;
+
+/**
+ * Created by mingjun on 2016/11/14.
+ */
+public class OrangeJuice extends Drink {
+    @Override
+    String getInstantPackage() {
+        return "速溶橙汁粉";
+    }
+}
diff --git a/src/com/anly/designpattern/simplefactory/PlumJuice.java b/src/com/anly/designpattern/simplefactory/PlumJuice.java
@@ -0,0 +1,11 @@
+package com.anly.designpattern.simplefactory;
+
+/**
+ * Created by mingjun on 2016/11/14.
+ */
+public class PlumJuice extends Drink {
+    @Override
+    String getInstantPackage() {
+        return "速溶酸梅粉";
+    }
+}
diff --git a/src/com/anly/designpattern/simplefactory/XiaoGuang.java b/src/com/anly/designpattern/simplefactory/XiaoGuang.java
@@ -0,0 +1,13 @@
+package com.anly.designpattern.simplefactory;
+
+/**
+ * Created by mingjun on 16/11/10.
+ */
+public class XiaoGuang {
+
+    public static void main(String[] args) {
+
+        Drink drink = Cousins.create("可乐");
+        drink.make();
+    }
+}
