I'm trying to use cflow to limit the scope of my pointcut, but it when I
add the cflow argument, the pointcut is not intercepting the call at all.
In my build process, the cflow target is not part of the weaving at all.
Does the cflow target need to be part of the build/weave process? Or is my
pointcut wrong?
@Aspect
class MultiChoiceNullAspect{
@Pointcut("cflowbelow(execution( void
javax.faces.webapp.FacesServlet.service(..) ) &&
!within(MultiChoiceNullAspect))")
public void facesServletCFlow(){}
@Pointcut("facesServletCFlow() && execution( public
org.model.questionnaire.MultiChoiceItem* get*(..))")
public void multiChoiceObjects() {}
@Around("multiChoiceObjects()")
public Object emptyMultiChoice( final ProceedingJoinPoint pjp) throws
Throwable{
Object o = pjp.proceed();
// if the return object is null, create an empty MultiChoice object instead
if( o == null ){
return new MultiChoiceItem();
}
return o;
}
}
And my build instructions:
<plugin>
<groupId>org.codehaus.mojo</groupId>
<artifactId>aspectj-maven-plugin</artifactId>
<version>1.10</version>
<configuration>
<showWeaveInfo>true</showWeaveInfo>
<source>${java.version}</source>
<target>${java.version}</target>
<complianceLevel>${java.version}</complianceLevel>
<encoding>UTF-8</encoding>
</configuration>
<executions>
<execution>
<goals>
<goal>compile</goal>
<goal>test-compile</goal>
</goals>
</execution>
</executions>
<dependencies>
<dependency>
<groupId>org.aspectj</groupId>
<artifactId>aspectjtools</artifactId>
<version>${aspectj.version}</version>
</dependency>
</dependencies>
</plugin>
Essentially, I'm trying to advise the execution of all getters that return
MultiChoiceItem* when they are as part of the
javax.faces.webapp.FacesServlet.service() method/flow.
Does the FacesServlet class need to be passed to the ajc compiler as well?
Or are the cflow() arguments just evaluated at runtime and don't need to be
present in the compiler? If the later, what am I doing wrong - why is my
pointcut not triggering?
Thanks,
Eric
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