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Spring AOP

Programación orientada a aspectos (AOP) desde Spring.

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	`1`	`+<?xml version="1.0" encoding="UTF-8"?>`
	`2`	`+<project xmlns="http://maven.apache.org/POM/4.0.0"`
	`3`	`+ xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"`
	`4`	`+ xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">`
	`5`	`+ <modelVersion>4.0.0</modelVersion>`
	`6`	`+ <groupId>tutor.programacion</groupId>`
	`7`	`+ <artifactId>SpringAOP</artifactId>`
	`8`	`+ <version>1.0</version>`
	`9`	`+ <packaging>jar</packaging>`
	`10`	`+`
	`11`	`+ <dependencies>`
	`12`	`+ <dependency>`
	`13`	`+ <groupId>org.springframework</groupId>`
	`14`	`+ <artifactId>spring-aop</artifactId>`
	`15`	`+ <version>4.3.8.RELEASE</version>`
	`16`	`+ </dependency>`
	`17`	`+ <dependency>`
	`18`	`+ <groupId>org.springframework</groupId>`
	`19`	`+ <artifactId>spring-context</artifactId>`
	`20`	`+ <version>4.3.8.RELEASE</version>`
	`21`	`+ </dependency>`
	`22`	`+ <dependency>`
	`23`	`+ <groupId>org.aspectj</groupId>`
	`24`	`+ <artifactId>aspectjweaver</artifactId>`
	`25`	`+ <version>1.8.10</version>`
	`26`	`+ </dependency>`
	`27`	`+ </dependencies>`
	`28`	`+`
	`29`	`+ <properties>`
	`30`	`+ <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>`
	`31`	`+ <maven.compiler.source>1.8</maven.compiler.source>`
	`32`	`+ <maven.compiler.target>1.8</maven.compiler.target>`
	`33`	`+ </properties>`
	`34`	`+</project>`

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	`1`	`+package tutor.programacion.aspect;`
	`2`	`+`
	`3`	`+import java.time.LocalDateTime;`
	`4`	`+import org.aspectj.lang.JoinPoint;`
	`5`	`+import org.aspectj.lang.annotation.After;`
	`6`	`+import org.aspectj.lang.annotation.Aspect;`
	`7`	`+import org.aspectj.lang.annotation.Before;`
	`8`	`+import org.aspectj.lang.annotation.Pointcut;`
	`9`	`+import org.springframework.stereotype.Component;`
	`10`	`+`
	`11`	`+@Aspect`
	`12`	`+@Component`
	`13`	`+public class LoggingAspect {`
	`14`	`+`
	`15`	`+ @Pointcut("execution(* tutor.programacion.component..(..))")`
	`16`	`+ public void serviceMethod() { }`
	`17`	`+`
	`18`	`+ @Before("serviceMethod()")`
	`19`	`+ public void beforeLoginAdvice(JoinPoint jp) {`
	`20`	`+ System.out.println("\n" + jp.toLongString());`
	`21`	`+ System.out.println("iniciado " + LocalDateTime.now());`
	`22`	`+ }`
	`23`	`+`
	`24`	`+ @After("serviceMethod()")`
	`25`	`+ public void afterLoginAdvice() {`
	`26`	`+ System.out.println("finalizado " + LocalDateTime.now());`
	`27`	`+ }`
	`28`	`+`
	`29`	`+}`

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	`1`	`+package tutor.programacion.component;`
	`2`	`+`
	`3`	`+import org.springframework.stereotype.Component;`
	`4`	`+`
	`5`	`+@Component`
	`6`	`+public class CrudService {`
	`7`	`+`
	`8`	`+ public void create() {`
	`9`	`+ System.out.println("crear dato...");`
	`10`	`+ }`
	`11`	`+`
	`12`	`+ public void read() {`
	`13`	`+ System.out.println("leer dato...");`
	`14`	`+ }`
	`15`	`+`
	`16`	`+ public void update() {`
	`17`	`+ try {`
	`18`	`+ Thread.sleep(377);`
	`19`	`+ System.out.println("actualizar dato...");`
	`20`	`+ } catch (InterruptedException ex) {`
	`21`	`+`
	`22`	`+ }`
	`23`	`+ }`
	`24`	`+`
	`25`	`+ public void delete() {`
	`26`	`+ System.out.println("eliminar dato...");`
	`27`	`+ }`
	`28`	`+}`

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	`1`	`+`
	`2`	`+package tutor.programacion.springaop;`
	`3`	`+`
	`4`	`+import org.springframework.context.ApplicationContext;`
	`5`	`+import org.springframework.context.annotation.AnnotationConfigApplicationContext;`
	`6`	`+import org.springframework.context.annotation.ComponentScan;`
	`7`	`+import org.springframework.context.annotation.Configuration;`
	`8`	`+import org.springframework.context.annotation.EnableAspectJAutoProxy;`
	`9`	`+import tutor.programacion.component.CrudService;`
	`10`	`+`
	`11`	`+@Configuration`
	`12`	`+@ComponentScan({"tutor.programacion.aspect", "tutor.programacion.component"})`
	`13`	`+@EnableAspectJAutoProxy`
	`14`	`+public class TutorialAOP {`
	`15`	`+`
	`16`	`+ public static void main(String[] args) {`
	`17`	`+ ApplicationContext ctx = new AnnotationConfigApplicationContext(TutorialAOP.class);`
	`18`	`+`
	`19`	`+ CrudService ps = ctx.getBean(CrudService.class);`
	`20`	`+`
	`21`	`+ ps.create();`
	`22`	`+ ps.read();`
	`23`	`+ ps.update();`
	`24`	`+ ps.delete();`
	`25`	`+ }`
	`26`	`+}`

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