✨ advice to impl: MethodBefore and AfterReturning dianpoint#16

Author: ccoderJava

src/main/java/com/dianpoint/summer/aop/Advice.java

@@ -0,0 +1,9 @@
+package com.dianpoint.summer.aop;
+
+/**
+ * @author: github/ccoderJava
+ * @email: congccoder@gmail.com
+ * @date: 2023/3/26 21:59
+ */
+public interface Advice {
+}

src/main/java/com/dianpoint/summer/aop/Advisor.java

@@ -0,0 +1,15 @@
+package com.dianpoint.summer.aop;
+
+/**
+ * @author: github/ccoderJava
+ * @email: congccoder@gmail.com
+ * @date: 2023/3/26 22:17
+ */
+public interface Advisor {
+
+    MethodInterceptor getMethodInterceptor();
+
+    void setMethodInterceptor(MethodInterceptor methodInterceptor);
+
+    Advice getAdvice();
+}

src/main/java/com/dianpoint/summer/aop/AfterAdvice.java

@@ -0,0 +1,8 @@
+package com.dianpoint.summer.aop;
+
+/**
+ * @author: github/ccoderJava
+ * @email: congccoder@gmail.com
+ * @date: 2023/3/26 22:00
+ */
+public interface AfterAdvice extends Advice {}

src/main/java/com/dianpoint/summer/aop/AfterReturningAdvice.java

@@ -0,0 +1,13 @@
+package com.dianpoint.summer.aop;
+
+import java.lang.reflect.Method;
+
+/**
+ * @author: github/ccoderJava
+ * @email: congccoder@gmail.com
+ * @date: 2023/3/26 22:02
+ */
+public interface AfterReturningAdvice extends AfterAdvice {
+
+    void afterReturning(Object returnValue, Method method, Object[] args, Object target) throws Throwable;
+}

src/main/java/com/dianpoint/summer/aop/AfterReturningAdviceInterceptor.java

@@ -0,0 +1,24 @@
+package com.dianpoint.summer.aop;
+
+/**
+ * @author: github/ccoderJava
+ * @email: congccoder@gmail.com
+ * @date: 2023/3/26 22:07
+ */
+public class AfterReturningAdviceInterceptor implements AfterAdvice, MethodInterceptor {
+
+    private final AfterReturningAdvice advice;
+
+    public AfterReturningAdviceInterceptor(AfterReturningAdvice advice) {
+        this.advice = advice;
+    }
+
+    @Override
+    public Object invoke(MethodInvocation invocation) throws Throwable {
+
+        Object reallyValue = invocation.proceed();
+        this.advice.afterReturning(reallyValue, invocation.getMethod(), invocation.getArguments(),
+            invocation.getThis());
+        return reallyValue;
+    }
+}

src/main/java/com/dianpoint/summer/aop/BeforeAdvice.java

@@ -0,0 +1,8 @@
+package com.dianpoint.summer.aop;
+
+/**
+ * @author: github/ccoderJava
+ * @email: congccoder@gmail.com
+ * @date: 2023/3/26 22:00
+ */
+public interface BeforeAdvice extends Advice {}

src/main/java/com/dianpoint/summer/aop/DefaultAdvisor.java

@@ -0,0 +1,26 @@
+package com.dianpoint.summer.aop;
+
+/**
+ * @author: github/ccoderJava
+ * @email: congccoder@gmail.com
+ * @date: 2023/3/26 22:18
+ */
+public class DefaultAdvisor implements Advisor {
+
+    private MethodInterceptor methodInterceptor;
+
+    @Override
+    public MethodInterceptor getMethodInterceptor() {
+        return methodInterceptor;
+    }
+
+    @Override
+    public void setMethodInterceptor(MethodInterceptor methodInterceptor) {
+        this.methodInterceptor = methodInterceptor;
+    }
+
+    @Override
+    public Advice getAdvice() {
+        return methodInterceptor;
+    }
+}

src/main/java/com/dianpoint/summer/aop/Interceptor.java

@@ -0,0 +1,8 @@
+package com.dianpoint.summer.aop;
+
+/**
+ * @author: github/ccoderJava
+ * @email: congccoder@gmail.com
+ * @date: 2023/3/26 22:02
+ */
+public interface Interceptor extends Advice {}

src/main/java/com/dianpoint/summer/aop/MethodBeforeAdvice.java

@@ -0,0 +1,14 @@
+package com.dianpoint.summer.aop;
+
+import java.lang.reflect.Method;
+
+/**
+ * @author: github/ccoderJava
+ * @email: congccoder@gmail.com
+ * @date: 2023/3/26 22:11
+ */
+public interface MethodBeforeAdvice extends BeforeAdvice {
+
+    void before(Method method, Object[] args, Object target) throws Throwable;
+
+}

src/main/java/com/dianpoint/summer/aop/MethodBeforeAdviceInterceptor.java

@@ -0,0 +1,21 @@
+package com.dianpoint.summer.aop;
+
+/**
+ * @author: github/ccoderJava
+ * @email: congccoder@gmail.com
+ * @date: 2023/3/26 22:13
+ */
+public class MethodBeforeAdviceInterceptor implements MethodInterceptor {
+
+    private MethodBeforeAdvice advice;
+
+    public MethodBeforeAdviceInterceptor(MethodBeforeAdvice advice) {
+        this.advice = advice;
+    }
+
+    @Override
+    public Object invoke(MethodInvocation invocation) throws Throwable {
+        this.advice.before(invocation.getMethod(), invocation.getArguments(), invocation.getThis());
+        return invocation.proceed();
+    }
+}