Examples of org.springframework.aop.Pointcut

org.springframework.aop.Pointcut
Core Spring pointcut abstraction.
A pointcut is composed of a {@link ClassFilter} and a {@link MethodMatcher}. Both these basic terms and a Pointcut itself can be combined to build up combinations (e.g. through {@link org.springframework.aop.support.ComposablePointcut}). @author Rod Johnson @see ClassFilter @see MethodMatcher @see org.springframework.aop.support.Pointcuts @see org.springframework.aop.support.ClassFilters @see org.springframework.aop.support.MethodMatchers

   * @return the applicable Pointcut object, or {@code null} if none
   */
  protected Pointcut buildPointcut(Set<Class<? extends Annotation>> asyncAnnotationTypes) {
    ComposablePointcut result = null;
    for (Class<? extends Annotation> asyncAnnotationType : asyncAnnotationTypes) {
      Pointcut cpc = new AnnotationMatchingPointcut(asyncAnnotationType, true);
      Pointcut mpc = AnnotationMatchingPointcut.forMethodAnnotation(asyncAnnotationType);
      if (result == null) {
        result = new ComposablePointcut(cpc).union(mpc);
      }
      else {
        result.union(cpc).union(mpc);

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    this.validator = validatorFactory.getValidator();
  }


  @Override
  public void afterPropertiesSet() {
    Pointcut pointcut = new AnnotationMatchingPointcut(this.validatedAnnotationType, true);
    Advice advice = (this.validator != null ? new MethodValidationInterceptor(this.validator) :
        new MethodValidationInterceptor());
    this.advisor = new DefaultPointcutAdvisor(pointcut, advice);
  }

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   * Build a 'safe' pointcut that excludes the AspectJ advice method itself.
   * @return a composable pointcut that builds on the original AspectJ expression pointcut
   * @see #getPointcut()
   */
  public final Pointcut buildSafePointcut() {
    Pointcut pc = getPointcut();
    MethodMatcher safeMethodMatcher = MethodMatchers.intersection(
        new AdviceExcludingMethodMatcher(this.aspectJAdviceMethod), pc.getMethodMatcher());
    return new ComposablePointcut(pc.getClassFilter(), safeMethodMatcher);
  }

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    this.declarationOrder = declarationOrderInAspect;
    this.aspectName = aspectName;


    if (aif.getAspectMetadata().isLazilyInstantiated()) {
      // Static part of the pointcut is a lazy type.
      Pointcut preInstantiationPointcut =
          Pointcuts.union(aif.getAspectMetadata().getPerClausePointcut(), this.declaredPointcut);


      // Make it dynamic: must mutate from pre-instantiation to post-instantiation state.
      // If it's not a dynamic pointcut, it may be optimized out
      // by the Spring AOP infrastructure after the first evaluation.

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  @Test
  public void testMatchExplicit() {
    String expression = "execution(int org.springframework.tests.sample.beans.TestBean.getAge())";


    Pointcut pointcut = getPointcut(expression);
    ClassFilter classFilter = pointcut.getClassFilter();
    MethodMatcher methodMatcher = pointcut.getMethodMatcher();


    assertMatchesTestBeanClass(classFilter);


    // not currently testable in a reliable fashion
    //assertDoesNotMatchStringClass(classFilter);

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  @Test
  public void testMatchWithTypePattern() throws Exception {
    String expression = "execution(* *..TestBean.*Age(..))";


    Pointcut pointcut = getPointcut(expression);
    ClassFilter classFilter = pointcut.getClassFilter();
    MethodMatcher methodMatcher = pointcut.getMethodMatcher();


    assertMatchesTestBeanClass(classFilter);


    // not currently testable in a reliable fashion
    //assertDoesNotMatchStringClass(classFilter);

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  @Test
  public void testMatchWithArgs() throws Exception {
    String expression = "execution(void org.springframework.tests.sample.beans.TestBean.setSomeNumber(Number)) && args(Double)";


    Pointcut pointcut = getPointcut(expression);
    ClassFilter classFilter = pointcut.getClassFilter();
    MethodMatcher methodMatcher = pointcut.getMethodMatcher();


    assertMatchesTestBeanClass(classFilter);


    // not currently testable in a reliable fashion
    //assertDoesNotMatchStringClass(classFilter);

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  }


  private TestBean getAdvisedProxy(String pointcutExpression, CallCountingInterceptor interceptor) {
    TestBean target = new TestBean();


    Pointcut pointcut = getPointcut(pointcutExpression);


    DefaultPointcutAdvisor advisor = new DefaultPointcutAdvisor();
    advisor.setAdvice(interceptor);
    advisor.setPointcut(pointcut);

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  }


  @Test
  public void testAndSubstitution() {
    Pointcut pc = getPointcut("execution(* *(..)) and args(String)");
    PointcutExpression expr =
      ((AspectJExpressionPointcut) pc).getPointcutExpression();
    assertEquals("execution(* *(..)) && args(String)",expr.getPointcutExpression());
  }

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    assertEquals("execution(* *(..)) && args(String)",expr.getPointcutExpression());
  }


  @Test
  public void testMultipleAndSubstitutions() {
    Pointcut pc = getPointcut("execution(* *(..)) and args(String) and this(Object)");
    PointcutExpression expr =
      ((AspectJExpressionPointcut) pc).getPointcutExpression();
    assertEquals("execution(* *(..)) && args(String) && this(Object)",expr.getPointcutExpression());
  }

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