add builder DP

Liu Yuning · Liu Yuning · commit 22bb6cfae6e7 · 2017-05-18T23:02:15.000+08:00
diff --git a/README.md b/README.md
@@ -8,9 +8,14 @@ Java代码积累
 ## using containers
 - [利用迭代器实现反转](./src/containers/Reverse.java)
 ## design pattern
-- [简单工厂模式](./src/designpattern/factory/Calculator.java)
+- [简单工厂模式](./src/designpattern/factory/simple/Calculator.java)
 - [策略模式](./src/designpattern/strategy/StrategyClient.java)
 - [装饰模式](./src/designpattern/decorator/DecoratorClient.java)
+- [代理模式](./src/designpattern/delegation/ProxyClient.java)
+- [工厂方法模式](./src/designpattern/factory/method/FactoryClient.java)
+- [模板方法模式](./src/designpattern/template/TemplateClient.java)
+- [外观模式](./src/designpattern/facade/FacadeClient.java)
+- [建造者模式](./src/designpattern/builder/BuilderClient.java)
 
 ## concurrency
 - [演示线程的生命周期](./src/concurrency/ThreadLifeCycle.java)
diff --git a/src/designpattern/builder/Builder.java b/src/designpattern/builder/Builder.java
@@ -0,0 +1,9 @@
+package designpattern.builder;
+
+public abstract class Builder {
+    public abstract void buildPartA();
+
+    public abstract void buildPartB();
+
+    public abstract Product getBuildResult();
+}
diff --git a/src/designpattern/builder/BuilderClient.java b/src/designpattern/builder/BuilderClient.java
@@ -0,0 +1,26 @@
+package designpattern.builder;
+
+/**
+ * 建造客户端
+ * 
+ * @author liu yuning
+ *
+ */
+public class BuilderClient {
+
+    public static void main(String[] args) {
+	Director director = new Director();
+	Builder builder1 = new ConcreteBuilder1();
+	Builder builder2 = new ConcreteBuilder2();
+
+	director.construct(builder1);
+	Product product1 = builder1.getBuildResult();
+	product1.show();
+
+	director.construct(builder2);
+	Product product2 = builder2.getBuildResult();
+	product2.show();
+
+    }
+
+}
diff --git a/src/designpattern/builder/ConcreteBuilder1.java b/src/designpattern/builder/ConcreteBuilder1.java
@@ -0,0 +1,28 @@
+package designpattern.builder;
+
+/**
+ * 具体建造者类
+ * 
+ * @author liu yuning
+ *
+ */
+public class ConcreteBuilder1 extends Builder {
+
+    private Product product = new Product();
+
+    @Override
+    public void buildPartA() {
+	product.add("部件A");
+    }
+
+    @Override
+    public void buildPartB() {
+	product.add("部件B");
+    }
+
+    @Override
+    public Product getBuildResult() {
+	return product;
+    }
+
+}
diff --git a/src/designpattern/builder/ConcreteBuilder2.java b/src/designpattern/builder/ConcreteBuilder2.java
@@ -0,0 +1,28 @@
+package designpattern.builder;
+
+/**
+ * 具体建造者类，建造的对象时Product，通过build使Product完善
+ * 
+ * @author liu yuning
+ *
+ */
+public class ConcreteBuilder2 extends Builder {
+
+    private Product product = new Product();
+
+    @Override
+    public void buildPartA() {
+	product.add("部件X");
+    }
+
+    @Override
+    public void buildPartB() {
+	product.add("部件Y");
+    }
+
+    @Override
+    public Product getBuildResult() {
+	return product;
+    }
+
+}
diff --git a/src/designpattern/builder/Director.java b/src/designpattern/builder/Director.java
@@ -0,0 +1,15 @@
+package designpattern.builder;
+
+/**
+ * 指挥者类，用来指挥建造过程
+ * 
+ * @author liu yuning
+ *
+ */
+public class Director {
+
+    public void construct(Builder builder) {
+	builder.buildPartA();
+	builder.buildPartB();
+    }
+}
diff --git a/src/designpattern/builder/Product.java b/src/designpattern/builder/Product.java
@@ -0,0 +1,28 @@
+package designpattern.builder;
+
+import java.util.ArrayList;
+import java.util.List;
+
+/**
+ * 产品类，由多个部件组成
+ * 
+ * @author liu yuning
+ *
+ */
+public class Product {
+    List<String> parts = new ArrayList<String>();
+
+    // 添加产品部件
+    public void add(String part) {
+	parts.add(part);
+    }
+
+    // 列举所有的产品部件
+    public void show() {
+	System.out.println("---产品 创建---");
+
+	for (String part : parts) {
+	    System.out.println(part);
+	}
+    }
+}
