add

Author: laileon

src/com/blankj/custom/desingn_pattern/proxys/dynamicProxy/Client.java

@@ -0,0 +1,13 @@
+package com.blankj.custom.desingn_pattern.proxys.dynamicProxy;
+
+import java.lang.reflect.InvocationHandler;
+
+public class Client {
+    public static void main(String[] args) {
+        ISubject subject = new RealSubject();
+
+        InvocationHandler handler = new MyInvocationHandler(subject);
+        ISubject proxy = DynamicProxy.newProxyInstance(subject.getClass().getClassLoader(), subject.getClass().getInterfaces(), handler);
+        proxy.request();
+    }
+}

src/com/blankj/custom/desingn_pattern/proxys/dynamicProxy/DynamicProxy.java

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+package com.blankj.custom.desingn_pattern.proxys.dynamicProxy;
+
+import java.lang.reflect.InvocationHandler;
+import java.lang.reflect.Proxy;
+
+public class DynamicProxy<T> {
+    @SuppressWarnings("unchecked")
+    public static <T> T newProxyInstance(ClassLoader classLoader, Class<?>[] interfaces, InvocationHandler handler) {
+        return (T) Proxy.newProxyInstance(classLoader, interfaces, handler);
+    }
+}

src/com/blankj/custom/desingn_pattern/proxys/dynamicProxy/ISubject.java

@@ -0,0 +1,6 @@
+package com.blankj.custom.desingn_pattern.proxys.dynamicProxy;
+
+//https://www.jianshu.com/p/78fdd12c2c71
+public interface ISubject {
+    void request();
+}

src/com/blankj/custom/desingn_pattern/proxys/dynamicProxy/MyInvocationHandler.java

@@ -0,0 +1,17 @@
+package com.blankj.custom.desingn_pattern.proxys.dynamicProxy;
+
+import java.lang.reflect.InvocationHandler;
+import java.lang.reflect.Method;
+
+public class MyInvocationHandler implements InvocationHandler {
+    private Object target = null;
+
+    public MyInvocationHandler(Object object) {
+        this.target = object;
+    }
+
+    @Override
+    public Object invoke(Object proxy, Method method, Object[] args) throws Throwable {
+        return method.invoke(this.target, args);
+    }
+}

src/com/blankj/custom/desingn_pattern/proxys/dynamicProxy/RealSubject.java

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+package com.blankj.custom.desingn_pattern.proxys.dynamicProxy;
+
+public class RealSubject implements ISubject {
+    @Override
+    public void request() {
+        System.out.println("我是真实对象");
+    }
+}

src/com/blankj/custom/desingn_pattern/proxys/staticProxy/Client.java

@@ -0,0 +1,10 @@
+package com.blankj.custom.desingn_pattern.proxys.staticProxy;
+
+public class Client {
+    public static void main(String[] args) {
+        ISubject subject = new RealSubject();
+        //让RealSubject这个借口的实现类来完成任务
+        Proxy proxy = new Proxy(subject);
+        proxy.request();
+    }
+}

src/com/blankj/custom/desingn_pattern/proxys/staticProxy/ISubject.java

@@ -0,0 +1,6 @@
+package com.blankj.custom.desingn_pattern.proxys.staticProxy;
+
+//https://www.jianshu.com/p/78fdd12c2c71
+public interface ISubject {
+    void request();
+}

src/com/blankj/custom/desingn_pattern/proxys/staticProxy/Proxy.java

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+package com.blankj.custom.desingn_pattern.proxys.staticProxy;
+
+public class Proxy implements ISubject {
+    private ISubject subject;
+
+    //传入接口的实现类
+    public Proxy(ISubject subject) {
+        this.subject = subject;
+    }
+
+    @Override
+    public void request() {
+        this.subject.request();
+    }
+}

src/com/blankj/custom/desingn_pattern/proxys/staticProxy/RealSubject.java

@@ -0,0 +1,8 @@
+package com.blankj.custom.desingn_pattern.proxys.staticProxy;
+
+public class RealSubject implements ISubject{
+    @Override
+    public void request() {
+        System.out.println("我是真实对象");
+    }
+}