增加注解处理

src/gaea.app/build.gradle

@@ -1,6 +1,7 @@
 dependencies {
     compile project(":src:gaea")
     compile("org.springframework.boot:spring-boot-starter-web:$spring_version")
+    compile("org.springframework.boot:spring-boot-starter-aop:$spring_version")
     compile("org.springframework.boot:spring-boot-starter-mail:$spring_version")
     compile group: 'net.sf.dozer', name: 'dozer', version: '5.5.1'
     compile group: 'org.apache.poi', name: 'poi', version: '4.1.2'

src/gaea.app/src/main/kotlin/com/synebula/gaea/app/component/aop/AnnotationHandler.kt

@@ -0,0 +1,7 @@
+package com.synebula.gaea.app.component.aop
+
+import java.lang.Exception
+
+interface AnnotationHandler {
+    fun handle(clazz: Class<Any>, func: String, args: Array<Any>, exception: Exception?)
+}

src/gaea.app/src/main/kotlin/com/synebula/gaea/app/component/aop/AppAspect.kt

@@ -0,0 +1,68 @@
+package com.synebula.gaea.app.component.aop
+
+import com.synebula.gaea.app.component.HttpMessage
+import com.synebula.gaea.app.component.aop.annotation.SafeExec
+import com.synebula.gaea.data.message.Status
+import org.aspectj.lang.JoinPoint
+import org.aspectj.lang.ProceedingJoinPoint
+import org.aspectj.lang.annotation.*
+import org.springframework.stereotype.Component
+import org.springframework.web.context.request.RequestContextHolder
+import org.springframework.web.context.request.ServletRequestAttributes
+import java.util.*
+
+
+@Aspect
+@Component
+class AppAspect {
+    @Pointcut("within(com.synebula..app.*)")
+    fun log() {
+    }
+
+    //后置异常通知
+    @AfterThrowing("log()")
+    fun throws(point: JoinPoint): Any {
+        val clazz = point.signature.declaringType
+        println("${clazz.name} - ${point.signature.name}异常：${point.signature.name}")
+        return "error"
+    }
+
+    //后置最终通知,final增强，不管是抛出异常或者正常退出都会执行
+    @After("log()")
+    fun after(point: JoinPoint) {
+        println("方法最后执行.....")
+    }
+
+    //环绕通知,环绕增强，相当于MethodInterceptor
+    @Around("log()")
+    fun around(point: ProceedingJoinPoint): Any? {
+        val clazz = point.signature.declaringType
+        val func = clazz.methods.find {
+            it.name == point.signature.name
+        }!!
+        val clazzAnnotations = clazz.annotations
+        val funcAnnotations = func.annotations ?: arrayOf()
+
+        val attributes = RequestContextHolder.getRequestAttributes() as ServletRequestAttributes
+        val request = attributes.request
+        // 记录下请求内容
+        println("URL : " + request.requestURL.toString())
+        println("HTTP_METHOD : " + request.method)
+        println("IP : " + request.remoteAddr)
+        println("CLASS_METHOD : " + clazz.name + "." + point.signature.name)
+        println("ARGS : " + Arrays.toString(point.args))
+
+        return try {
+            val res = point.proceed()
+            res
+        } catch (ex: Throwable) {
+            val msg = HttpMessage(Status.Success)
+            for (item in funcAnnotations) {
+                if (item.annotationClass == SafeExec::javaClass) {
+                }
+            }
+            println("方法${point.signature}异常: $msg - ${ex.message}")
+            return "error"
+        }
+    }
+}

src/gaea.app/src/main/kotlin/com/synebula/gaea/app/component/aop/annotation/Handler.kt

@@ -0,0 +1,5 @@
+package com.synebula.gaea.app.component.aop.annotation
+
+import kotlin.reflect.KClass
+
+annotation class Handler(val value: KClass<Any>)

src/gaea.app/src/main/kotlin/com/synebula/gaea/app/component/aop/annotation/SafeExec.kt

@@ -0,0 +1,10 @@
+package com.synebula.gaea.app.component.aop.annotation
+
+/**
+ * 标记方法安全执行，由AOP负责try catch异常
+ *
+ * @param errorMessage 异常消息
+ */
+@Target(AnnotationTarget.FUNCTION)
+@Retention(AnnotationRetention.RUNTIME)
+annotation class SafeExec(val errorMessage: String)