Examples with IntroductionInterceptor org.springframework.aop.IntroductionInterceptor used on opensource projects

Example 1 with IntroductionInterceptor

use of org.springframework.aop.IntroductionInterceptor in project spring-framework by spring-projects.

the class DelegatingIntroductionInterceptorTests method testAutomaticInterfaceRecognitionInSubclass.

@Test
public void testAutomaticInterfaceRecognitionInSubclass() throws Exception {
    final long t = 1001L;
    @SuppressWarnings("serial")
    class TestII extends DelegatingIntroductionInterceptor implements TimeStamped, ITester {

        @Override
        public void foo() throws Exception {
        }

        @Override
        public long getTimeStamp() {
            return t;
        }
    }
    DelegatingIntroductionInterceptor ii = new TestII();
    TestBean target = new TestBean();
    ProxyFactory pf = new ProxyFactory(target);
    IntroductionAdvisor ia = new DefaultIntroductionAdvisor(ii);
    assertThat(ia.isPerInstance()).isTrue();
    pf.addAdvisor(0, ia);
    // assertTrue(Arrays.binarySearch(pf.getProxiedInterfaces(), TimeStamped.class) != -1);
    TimeStamped ts = (TimeStamped) pf.getProxy();
    assertThat(ts).isInstanceOf(TimeStamped.class);
    // Shouldn't proxy framework interfaces
    assertThat(!(ts instanceof MethodInterceptor)).isTrue();
    assertThat(!(ts instanceof IntroductionInterceptor)).isTrue();
    assertThat(ts.getTimeStamp() == t).isTrue();
    ((ITester) ts).foo();
    ((ITestBean) ts).getAge();
    // Test removal
    ii.suppressInterface(TimeStamped.class);
    // Note that we need to construct a new proxy factory,
    // or suppress the interface on the proxy factory
    pf = new ProxyFactory(target);
    pf.addAdvisor(0, new DefaultIntroductionAdvisor(ii));
    Object o = pf.getProxy();
    assertThat(!(o instanceof TimeStamped)).isTrue();
}