Examples of org.springframework.aop.Advisor

org.springframework.aop.Advisor
Base interface holding AOP advice (action to take at a joinpoint) and a filter determining the applicability of the advice (such as a pointcut). This interface is not for use by Spring users, but to allow for commonality in support for different types of advice.
Spring AOP is based around around advice delivered via method interception, compliant with the AOP Alliance interception API. The Advisor interface allows support for different types of advice, such as before and after advice, which need not be implemented using interception. @author Rod Johnson

    TestBean target = new TestBean();
    ProxyFactory pc = new ProxyFactory(target);
    pc.setInterfaces(new Class[] {ITestBean.class});
    pc.addAdvice(new NopInterceptor());
    MethodBeforeAdvice mba = new CountingBeforeAdvice();
    Advisor advisor = new DefaultPointcutAdvisor(new NameMatchMethodPointcut(), mba);
    pc.addAdvisor(advisor);
    ITestBean proxied = (ITestBean) createProxy(pc);


    String proxyConfigString = ((Advised) proxied).toProxyConfigString();
    assertTrue(proxyConfigString.indexOf(advisor.toString()) != -1);
    assertTrue(proxyConfigString.indexOf("1 interface") != -1);
  }

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    TestBean target = new TestBean();
    ProxyFactory pc = new ProxyFactory(target);
    pc.setInterfaces(new Class[] {ITestBean.class});
    pc.addAdvice(new NopInterceptor());
    CountingBeforeAdvice mba = new CountingBeforeAdvice();
    Advisor advisor = new DefaultPointcutAdvisor(new NameMatchMethodPointcut().addMethodName("setAge"), mba);
    pc.addAdvisor(advisor);
    assertFalse("Opaque defaults to false", pc.isOpaque());
    pc.setOpaque(true);
    assertTrue("Opaque now true for this config", pc.isOpaque());
    ITestBean proxied = (ITestBean) createProxy(pc);

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    assertFalse(proxyA.equals(proxyB));
  }


  public void testBeforeAdvisorIsInvoked() {
    CountingBeforeAdvice cba = new CountingBeforeAdvice();
    Advisor matchesNoArgs = new StaticMethodMatcherPointcutAdvisor(cba) {
      public boolean matches(Method m, Class targetClass) {
        return m.getParameterTypes().length == 0;
      }
    };
    TestBean target = new TestBean();

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    assertEquals(newName, tb.getName());
  }


  public void testMultiAdvice() throws Throwable {
    CountingMultiAdvice cca = new CountingMultiAdvice();
    Advisor matchesNoArgs = new StaticMethodMatcherPointcutAdvisor(cca) {
      public boolean matches(Method m, Class targetClass) {
        return m.getParameterTypes().length == 0 || "exceptional".equals(m.getName());
      }
    };
    TestBean target = new TestBean();

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      public void afterReturning(Object returnValue, Method m, Object[] args, Object target) throws Throwable {
        sum += ((Integer) returnValue).intValue();
      }
    }
    SummingAfterAdvice aa = new SummingAfterAdvice();
    Advisor matchesInt = new StaticMethodMatcherPointcutAdvisor(aa) {
      public boolean matches(Method m, Class targetClass) {
        return m.getReturnType() == int.class;
      }
    };
    TestBean target = new TestBean();

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  public void testThrowsAdvisorIsInvoked() throws Throwable {
    // Reacts to ServletException and RemoteException
    ThrowsAdviceInterceptorTests.MyThrowsHandler th = new ThrowsAdviceInterceptorTests.MyThrowsHandler();
    Advisor matchesEchoInvocations = new StaticMethodMatcherPointcutAdvisor(th) {
      public boolean matches(Method m, Class targetClass) {
        return m.getName().startsWith("echo");
      }
    };

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    TestBean target = new TestBean();
    ProxyFactory pc = new ProxyFactory(target);
    pc.setInterfaces(new Class<?>[] {ITestBean.class});
    pc.addAdvice(new NopInterceptor());
    MethodBeforeAdvice mba = new CountingBeforeAdvice();
    Advisor advisor = new DefaultPointcutAdvisor(new NameMatchMethodPointcut(), mba);
    pc.addAdvisor(advisor);
    ITestBean proxied = (ITestBean) createProxy(pc);


    String proxyConfigString = ((Advised) proxied).toProxyConfigString();
    assertTrue(proxyConfigString.indexOf(advisor.toString()) != -1);
    assertTrue(proxyConfigString.indexOf("1 interface") != -1);
  }

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    TestBean target = new TestBean();
    ProxyFactory pc = new ProxyFactory(target);
    pc.setInterfaces(new Class<?>[] {ITestBean.class});
    pc.addAdvice(new NopInterceptor());
    CountingBeforeAdvice mba = new CountingBeforeAdvice();
    Advisor advisor = new DefaultPointcutAdvisor(new NameMatchMethodPointcut().addMethodName("setAge"), mba);
    pc.addAdvisor(advisor);
    assertFalse("Opaque defaults to false", pc.isOpaque());
    pc.setOpaque(true);
    assertTrue("Opaque now true for this config", pc.isOpaque());
    ITestBean proxied = (ITestBean) createProxy(pc);

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  }


  @Test
  public void testBeforeAdvisorIsInvoked() {
    CountingBeforeAdvice cba = new CountingBeforeAdvice();
    @SuppressWarnings("serial")
    Advisor matchesNoArgs = new StaticMethodMatcherPointcutAdvisor(cba) {
      @Override
      public boolean matches(Method m, Class<?> targetClass) {
        return m.getParameterTypes().length == 0;
      }

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  }


  @Test
  public void testMultiAdvice() throws Throwable {
    CountingMultiAdvice cca = new CountingMultiAdvice();
    @SuppressWarnings("serial")
    Advisor matchesNoArgs = new StaticMethodMatcherPointcutAdvisor(cca) {
      @Override
      public boolean matches(Method m, Class<?> targetClass) {
        return m.getParameterTypes().length == 0 || "exceptional".equals(m.getName());
      }

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