Próbuję zrobić przykładowy AOP i nie czaję co nie podoba się eclipsowi:
pom.xml:
<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
<modelVersion>4.0.0</modelVersion>
<groupId>com.julian.spring.aop</groupId>
<artifactId>aop</artifactId>
<version>0.0.1-SNAPSHOT</version>
<build>
<sourceDirectory>src</sourceDirectory>
<plugins>
<plugin>
<artifactId>maven-compiler-plugin</artifactId>
<version>3.7.0</version>
<configuration>
<source>1.8</source>
<target>1.8</target>
</configuration>
</plugin>
</plugins>
</build>
<dependencies>
<dependency>
<groupId>org.springframework</groupId>
<artifactId>spring-core</artifactId>
<version>5.0.2.RELEASE</version>
</dependency>
<dependency>
<groupId>org.springframework</groupId>
<artifactId>spring-beans</artifactId>
<version>5.0.2.RELEASE</version>
</dependency>
<dependency>
<groupId>org.springframework</groupId>
<artifactId>spring-context</artifactId>
<version>5.0.2.RELEASE</version>
</dependency>
<!-- https://mvnrepository.com/artifact/org.springframework/spring-aspects -->
<dependency>
<groupId>org.springframework</groupId>
<artifactId>spring-aspects</artifactId>
<version>5.0.2.RELEASE</version>
</dependency>
</dependencies>
</project>
Spring beans:
<?xml version="1.0" encoding="UTF-8"?>
<beans xmlns="http://www.springframework.org/schema/beans"
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xmlns:aop="http://www.springframework.org/schema/aop"
xsi:schemaLocation="http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans.xsd
http://www.springframework.org/schema/aop http://www.springframework.org/schema/aop/spring-aop-4.3.xsd">
<bean id="camera" class="com.julian.spring.aop.Camera"></bean>
<bean id="logger" class="com.julian.spring.aop.Logger"></bean>
<aop:config>
<aop:pointcut
expression="execution(void com.julian.spring.aop.Camera.snap())"
id="camerasnap" />
<aop:aspect ref="logger" id="loggeraspect">
<aop:before method="aboutToTakePhoto"
pointcut-ref="camerasnap" />
</aop:aspect>
</aop:config>
</beans>
main:
package com.julian.spring.aop;
import org.springframework.context.support.ClassPathXmlApplicationContext;
public class App {
public static void main(String[] args) {
ClassPathXmlApplicationContext context = new ClassPathXmlApplicationContext("com/julian/spring/aop/beans.xml");
Camera camera = (Camera) context.getBean("camera");
camera.snap();
context.close();
}
}
joint point:
package com.julian.spring.aop;
public class Camera {
public void snap() {
System.out.println("SNAP!");
}
}
aspect:
package com.julian.spring.aop;
public class Logger {
public void aboutToTakePhoto() {
System.out.println("About to take the photo...");
}
}