我正在尝试在编译时将一些方面编织到一个成为WAR的项目中。这些方面建议在同一个项目中的类(尽管在不同的包中)。
我收到警告:
Advice not applied
我的方面没有被执行。这是我的设置:
注释FooAnnotation.java:
package a;
@Retention(RetentionPolicy.RUNTIME)
@Target(ElementType.METHOD)
public @interface FooAnnotation {}
方面FooAdvice.aj:
package a;
public aspect FooAdvice {
private static final Log log = LogFactory.getLog(FooAdvice.class);
Object around() : call( @FooAnnotation * *(..)) {
log.info(String.format("Testing around"));
return proceed();
}
}
我也试过了注释:
@Around("call( @FooAnnotation * *(..))")
public Object checkFoo( ProceedingJoinPoint joinPoint) throws Throwable {
据我所知,我的切入点规范是正确的,但由于某种原因,ajc编译器没有打球。
Class FooClass.java:
package b;
@ApplicationPath("/service")
@Path("/{param}")
@Produces("application/json")
@Provider
public class FooClass {
@POST
@PUT
@Path("/{context}/{resource}")
@FooAnnotation
public String updateResource(...) {}
的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>zzz.group</groupId>
<artifactId>yyy.artifact</artifactId>
<version>0.0.1-SNAPSHOT</version>
<packaging>war</packaging>
<name>yyy.name</name>
<properties>
<endorsed.dir>${project.build.directory}/endorsed</endorsed.dir>
<project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
<javaVersion>1.6</javaVersion>
<org.aspectj-version>1.7.2</org.aspectj-version>
</properties>
<dependencies>
<dependency>
... stuff ...
</dependency>
<dependency>
<groupId>org.aspectj</groupId>
<artifactId>aspectjrt</artifactId>
<version>${org.aspectj-version}</version>
</dependency>
</dependencies>
<build>
<plugins>
<plugin>
<groupId>org.apache.maven.plugins</groupId>
<artifactId>maven-compiler-plugin</artifactId>
<version>3.0</version>
<configuration>
<source>${javaVersion}</source>
<target>${javaVersion}</target>
<compilerArguments>
<endorseddirs>${endorsed.dir}</endorseddirs>
</compilerArguments>
</configuration>
</plugin>
<plugin>
<groupId>org.apache.maven.plugins</groupId>
<artifactId>maven-war-plugin</artifactId>
<version>2.1.1</version>
<configuration>
<failOnMissingWebXml>false</failOnMissingWebXml>
</configuration>
</plugin>
<plugin>
<groupId>org.codehaus.mojo</groupId>
<artifactId>aspectj-maven-plugin</artifactId>
<!--
Have to use version 1.2 since version 1.3 does not appear to work
with ITDs
-->
<version>1.4</version>
<dependencies>
<!--
You must use Maven 2.0.9 or above or these are ignored (see
MNG-2972)
-->
<dependency>
<groupId>org.aspectj</groupId>
<artifactId>aspectjrt</artifactId>
<version>${org.aspectj-version}</version>
</dependency>
<dependency>
<groupId>org.aspectj</groupId>
<artifactId>aspectjtools</artifactId>
<version>${org.aspectj-version}</version>
</dependency>
</dependencies>
<executions>
<execution>
<goals>
<goal>compile</goal>
<!-- <goal>test-compile</goal> -->
</goals>
</execution>
</executions>
<configuration>
<outxml>true</outxml>
<source>${javaVersion}</source>
<target>${javaVersion}</target>
</configuration>
</plugin>
</plugins>
</build>
</project>
答案 0 :(得分:5)
啊哈!在这里找到答案:
aspectj: why advice cannot be applied?
它与maven无关。
原因是在我的示例中,通过间接加载从jax-rs框架内调用该方法。 call()
建议想要编织调用者,但是ajc编译器无法知道调用者的位置。解决方法是将建议更改为execution()
:
Object around() : execution(@FooAnnotation * *(..)) {...}
这有所不同,因为它围绕执行(ajc可以找到)而不是调用者进行编织。
完成。