Examples of org.springframework.aop.MethodMatcher

org.springframework.aop.MethodMatcher
Part of a {@link Pointcut}: Checks whether the target method is eligible for advice.
A MethodMatcher may be evaluated statically or at runtime (dynamically). Static matching involves method and (possibly) method attributes. Dynamic matching also makes arguments for a particular call available, and any effects of running previous advice applying to the joinpoint.
If an implementation returns false from its {@link #isRuntime()}method, evaluation can be performed statically, and the result will be the same for all invocations of this method, whatever their arguments. This means that if the {@link #isRuntime()} method returns false, the 3-arg{@link #matches(java.lang.reflect.Method,Class,Object[])} method will never be invoked.
If an implementation returns true from its 2-arg {@link #matches(java.lang.reflect.Method,Class)} method and its {@link #isRuntime()} methodreturns true, the 3-arg {@link #matches(java.lang.reflect.Method,Class,Object[])}method will be invoked immediately before each potential execution of the related advice, to decide whether the advice should run. All previous advice, such as earlier interceptors in an interceptor chain, will have run, so any state changes they have produced in parameters or ThreadLocal state will be available at the time of evaluation. @author Rod Johnson @since 11.11.2003 @see Pointcut @see ClassFilter

  public static boolean canApply(Pointcut pc, Class targetClass, boolean hasIntroductions) {
    if (!pc.getClassFilter().matches(targetClass)) {
      return false;
    }


    MethodMatcher methodMatcher = pc.getMethodMatcher();
    IntroductionAwareMethodMatcher introductionAwareMethodMatcher = null;
    if (methodMatcher instanceof IntroductionAwareMethodMatcher) {
      introductionAwareMethodMatcher = (IntroductionAwareMethodMatcher) methodMatcher;
    }


    Set classes = new HashSet(ClassUtils.getAllInterfacesForClassAsSet(targetClass));
    classes.add(targetClass);
    for (Iterator it = classes.iterator(); it.hasNext();) {
      Class clazz = (Class) it.next();
      Method[] methods = clazz.getMethods();
      for (int j = 0; j < methods.length; j++) {
        if ((introductionAwareMethodMatcher != null &&
            introductionAwareMethodMatcher.matches(methods[j], targetClass, hasIntroductions)) ||
            methodMatcher.matches(methods[j], targetClass)) {
          return true;
        }
      }
    }

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    if (pointcut == Pointcut.TRUE) {
      return true;
    }
    if (pointcut.getClassFilter().matches(targetClass)) {
      // Only check if it gets past first hurdle.
      MethodMatcher mm = pointcut.getMethodMatcher();
      if (mm.matches(method, targetClass)) {
        // We may need additional runtime (argument) check.
        return (!mm.isRuntime() || mm.matches(method, targetClass, args));
      }
    }
    return false;
  }

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   * @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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      if (advisor instanceof PointcutAdvisor) {
        // Add it conditionally.
        PointcutAdvisor pointcutAdvisor = (PointcutAdvisor) advisor;
        if (config.isPreFiltered() || pointcutAdvisor.getPointcut().getClassFilter().matches(targetClass)) {
          MethodInterceptor[] interceptors = registry.getInterceptors(advisor);
          MethodMatcher mm = pointcutAdvisor.getPointcut().getMethodMatcher();
          if (MethodMatchers.matches(mm, method, targetClass, hasIntroductions)) {
            if (mm.isRuntime()) {
              // Creating a new object instance in the getInterceptors() method
              // isn't a problem as we normally cache created chains.
              for (int j = 0; j < interceptors.length; j++) {
                interceptorList.add(new InterceptorAndDynamicMethodMatcher(interceptors[j], mm));
              }

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  public static boolean canApply(Pointcut pc, Class targetClass, boolean hasIntroductions) {
    if (!pc.getClassFilter().matches(targetClass)) {
      return false;
    }


    MethodMatcher methodMatcher = pc.getMethodMatcher();
    IntroductionAwareMethodMatcher introductionAwareMethodMatcher = null;
    if (methodMatcher instanceof IntroductionAwareMethodMatcher) {
      introductionAwareMethodMatcher = (IntroductionAwareMethodMatcher) methodMatcher;
    }


    Set classes = new HashSet(ClassUtils.getAllInterfacesForClassAsSet(targetClass));
    classes.add(targetClass);
    for (Iterator it = classes.iterator(); it.hasNext();) {
      Class clazz = (Class) it.next();
      Method[] methods = clazz.getMethods();
      for (int j = 0; j < methods.length; j++) {
        if ((introductionAwareMethodMatcher != null &&
            introductionAwareMethodMatcher.matches(methods[j], targetClass, hasIntroductions)) ||
            methodMatcher.matches(methods[j], targetClass)) {
          return true;
        }
      }
    }

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  public static boolean canApply(Pointcut pc, Class<?> targetClass, boolean hasIntroductions) {
    if (!pc.getClassFilter().matches(targetClass)) {
      return false;
    }


    MethodMatcher methodMatcher = pc.getMethodMatcher();
    IntroductionAwareMethodMatcher introductionAwareMethodMatcher = null;
    if (methodMatcher instanceof IntroductionAwareMethodMatcher) {
      introductionAwareMethodMatcher = (IntroductionAwareMethodMatcher) methodMatcher;
    }


    Set<Class> classes = new HashSet<Class>(ClassUtils.getAllInterfacesForClassAsSet(targetClass));
    classes.add(targetClass);
    for (Class<?> clazz : classes) {
      Method[] methods = clazz.getMethods();
      for (Method method : methods) {
        if ((introductionAwareMethodMatcher != null &&
            introductionAwareMethodMatcher.matches(method, targetClass, hasIntroductions)) ||
            methodMatcher.matches(method, targetClass)) {
          return true;
        }
      }
    }

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   * @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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    Assert.notNull(pc, "Pointcut must not be null");
    if (!pc.getClassFilter().matches(targetClass)) {
      return false;
    }


    MethodMatcher methodMatcher = pc.getMethodMatcher();
    IntroductionAwareMethodMatcher introductionAwareMethodMatcher = null;
    if (methodMatcher instanceof IntroductionAwareMethodMatcher) {
      introductionAwareMethodMatcher = (IntroductionAwareMethodMatcher) methodMatcher;
    }


    Set<Class> classes = new HashSet<Class>(ClassUtils.getAllInterfacesForClassAsSet(targetClass));
    classes.add(targetClass);
    for (Class<?> clazz : classes) {
      Method[] methods = clazz.getMethods();
      for (Method method : methods) {
        if ((introductionAwareMethodMatcher != null &&
            introductionAwareMethodMatcher.matches(method, targetClass, hasIntroductions)) ||
            methodMatcher.matches(method, targetClass)) {
          return true;
        }
      }
    }

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      if (advisor instanceof PointcutAdvisor) {
        // Add it conditionally.
        PointcutAdvisor pointcutAdvisor = (PointcutAdvisor) advisor;
        if (config.isPreFiltered() || pointcutAdvisor.getPointcut().getClassFilter().matches(targetClass)) {
          MethodInterceptor[] interceptors = registry.getInterceptors(advisor);
          MethodMatcher mm = pointcutAdvisor.getPointcut().getMethodMatcher();
          if (MethodMatchers.matches(mm, method, targetClass, hasIntroductions)) {
            if (mm.isRuntime()) {
              // Creating a new object instance in the getInterceptors() method
              // isn't a problem as we normally cache created chains.
              for (MethodInterceptor interceptor : interceptors) {
                interceptorList.add(new InterceptorAndDynamicMethodMatcher(interceptor, mm));
              }

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  public static boolean canApply(Pointcut pc, Class targetClass, boolean hasIntroductions) {
    if (!pc.getClassFilter().matches(targetClass)) {
      return false;
    }


    MethodMatcher methodMatcher = pc.getMethodMatcher();
    IntroductionAwareMethodMatcher introductionAwareMethodMatcher = null;
    if (methodMatcher instanceof IntroductionAwareMethodMatcher) {
      introductionAwareMethodMatcher = (IntroductionAwareMethodMatcher) methodMatcher;
    }


    Set classes = new HashSet(ClassUtils.getAllInterfacesForClassAsSet(targetClass));
    classes.add(targetClass);
    for (Iterator it = classes.iterator(); it.hasNext();) {
      Class clazz = (Class) it.next();
      Method[] methods = clazz.getMethods();
      for (int j = 0; j < methods.length; j++) {
        if ((introductionAwareMethodMatcher != null &&
            introductionAwareMethodMatcher.matches(methods[j], targetClass, hasIntroductions)) ||
            methodMatcher.matches(methods[j], targetClass)) {
          return true;
        }
      }
    }

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