Examples of org.aopalliance.intercept.MethodInterceptor

org.aopalliance.intercept.MethodInterceptor
Intercepts calls on an interface on its way to the target. These are nested "on top" of the target.
The user should implement the {@link #invoke(MethodInvocation)}method to modify the original behavior. E.g. the following class implements a tracing interceptor (traces all the calls on the intercepted method(s)):
```
 class TracingInterceptor implements MethodInterceptor { Object invoke(MethodInvocation i) throws Throwable { System.out.println("method "+i.getMethod()+" is called on "+ i.getThis()+" with args "+i.getArguments()); Object ret=i.proceed(); System.out.println("method "+i.getMethod()+" returns "+ret); return ret; } } 
```

  @Test
  public void testNullPrimitiveWithCglibProxy() {


    Bar target = new Bar();
    ProxyFactory factory = new ProxyFactory(target);
    factory.addAdvice(new MethodInterceptor() {
      @Override
      public Object invoke(MethodInvocation invocation) throws Throwable {
        return null;
      }
    });

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  public void testValidInvocation() throws Throwable {
    Method m = Object.class.getMethod("hashCode", (Class[]) null);
    Object proxy = new Object();
    final Object returnValue = new Object();
    List<Object> is = new LinkedList<Object>();
    is.add(new MethodInterceptor() {
      @Override
      public Object invoke(MethodInvocation invocation) throws Throwable {
        return returnValue;
      }
    });

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  public void testGetThis() {
    final AtomicReference<Object> lastTarget = new AtomicReference<Object>();


    Injector injector = Guice.createInjector(new AbstractModule() {
      protected void configure() {
        bindInterceptor(Matchers.any(), Matchers.any(), new MethodInterceptor() {
          public Object invoke(MethodInvocation methodInvocation) throws Throwable {
            lastTarget.set(methodInvocation.getThis());
            return methodInvocation.proceed();
          }
        });

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    };


    ProxyFactory proxy = new ProxyFactory();
    proxy.setTarget(reader);
    proxy.setInterfaces(new Class<?>[] { ItemReader.class, ItemStream.class });
    proxy.addAdvice(new MethodInterceptor() {
      @Override
      public Object invoke(MethodInvocation invocation) throws Throwable {
        return invocation.proceed();
      }
    });

View Full Code Here

  }


  public void testInterceptorChainWithRetry() throws Exception {
    ((Advised) service).addAdvice(interceptor);
    final List<Object> list = new ArrayList<Object>();
    ((Advised) service).addAdvice(new MethodInterceptor() {
            @Override
      public Object invoke(MethodInvocation invocation) throws Throwable {
        list.add("chain");
        return invocation.proceed();
      }

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  @Test
  public void testProxyWithNoTarget() throws Exception {
    ProxyFactory factory = new ProxyFactory();
    factory.addInterface(DataSource.class);
    factory.addAdvice(new MethodInterceptor() {
      @Override
      public Object invoke(MethodInvocation invocation) throws Throwable {
        return null;
      }
    });

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      TransactionInterceptor advice = new TransactionInterceptor(transactionManager,
          PropertiesConverter.stringToProperties("create*=PROPAGATION_REQUIRES_NEW,"
              + isolationLevelForCreate + "\ngetLastJobExecution*=PROPAGATION_REQUIRES_NEW,"
              + isolationLevelForCreate + "\n*=PROPAGATION_REQUIRED"));
      if (validateTransactionState) {
        DefaultPointcutAdvisor advisor = new DefaultPointcutAdvisor(new MethodInterceptor() {
          @Override
          public Object invoke(MethodInvocation invocation) throws Throwable {
            if (TransactionSynchronizationManager.isActualTransactionActive()) {
              throw new IllegalStateException(
                  "Existing transaction detected in JobRepository. "

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                @Override
                public Object answer(InvocationOnMock invocation) throws Throwable {
                    return invocation.getArguments()[2];
                }
            });
        MethodInterceptor securityInterceptor = new ForwardMethodInterceptor();
        serviceRegistrationManagerImpl = new ConnectorRegistrationManager(bundleContext, transformationEngine,
            securityInterceptor, new SecurityAttributeProviderImpl());
        serviceUtils = new DefaultOsgiUtilsService(bundleContext);
        mockedServiceUtils = mock(DefaultOsgiUtilsService.class);
        mockedServiceUtils = mock(DefaultOsgiUtilsService.class);

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     * @return a proxy that locks while its methods are executed
     */
    private Object getDisposalLockProxy(Object bean, final Lock lock) {
      ProxyFactory factory = new ProxyFactory(bean);
      factory.setProxyTargetClass(proxyTargetClass);
      factory.addAdvice(new MethodInterceptor() {
        public Object invoke(MethodInvocation invocation) throws Throwable {
          lock.lock();
          try {
            return invocation.proceed();
          } finally {

View Full Code Here


  @Test
  public void testInterceptorChainWithRetry() throws Exception {
    ((Advised) service).addAdvice(interceptor);
    final List<String> list = new ArrayList<String>();
    ((Advised) service).addAdvice(new MethodInterceptor() {
      public Object invoke(MethodInvocation invocation) throws Throwable {
        list.add("chain");
        return invocation.proceed();
      }
    });

View Full Code Here

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