Example usage for org.springframework.integration.handler.advice ExpressionEvaluatingRequestHandlerAdvice setOnSuccessExpression

Introduction

In this page you can find the example usage for org.springframework.integration.handler.advice ExpressionEvaluatingRequestHandlerAdvice setOnSuccessExpression.

Prototype

public void setOnSuccessExpression(@Nullable Expression onSuccessExpression) 

Source Link

Document

Set the expression to evaluate against the message after a successful handler invocation.

Usage

From source file:nl.rav.comparision.integration.unitofwork.java.UnitOfWorkSpringTest.java

private void createRouteBuilder() {
    handler = new AbstractReplyProducingMessageHandler() {
        @Override/*from   ww w.  j a v  a 2  s  . c om*/
        protected Object handleRequestMessage(Message<?> requestMessage) {
            return "baz";
        }
    };
    AbstractReplyProducingMessageHandler handler2 = new AbstractReplyProducingMessageHandler() {
        @Override
        protected Object handleRequestMessage(Message<?> requestMessage) {
            if (doFail.get()) {
                throw new RuntimeException("qux");
            }
            return requestMessage.getPayload();
        }
    };

    SimpleAsyncTaskExecutor taskExecutor = new SimpleAsyncTaskExecutor();
    taskExecutor.setThreadNamePrefix("test-");
    ExecutorChannel intermediate = new ExecutorChannel(taskExecutor);
    handler.setOutputChannel(intermediate);
    intermediate.subscribe(handler2);

    replies = new QueueChannel();
    handler2.setOutputChannel(replies);

    successChannel = new QueueChannel();
    failureChannel = new QueueChannel();
    ExpressionEvaluatingRequestHandlerAdvice advice = new ExpressionEvaluatingRequestHandlerAdvice();
    advice.setBeanFactory(mock(BeanFactory.class));
    advice.setSuccessChannel(successChannel);
    advice.setFailureChannel(failureChannel);
    advice.setOnSuccessExpression("'foo'");
    advice.setOnFailureExpression("'bar:' + #exception.message");

    List<Advice> adviceChain = new ArrayList<Advice>();
    adviceChain.add(advice);
    handler.setAdviceChain(adviceChain);
    handler.afterPropertiesSet();
    handler2.setAdviceChain(adviceChain);
    handler2.afterPropertiesSet();
}

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From source file:org.springframework.integration.handler.advice.AdvisedMessageHandlerTests.java

@Test
public void successFailureAdvice() {
    final AtomicBoolean doFail = new AtomicBoolean();
    AbstractReplyProducingMessageHandler handler = new AbstractReplyProducingMessageHandler() {
        @Override//from   ww  w. java2s  .c  om
        protected Object handleRequestMessage(Message<?> requestMessage) {
            if (doFail.get()) {
                throw new RuntimeException("qux");
            }
            return "baz";
        }
    };
    QueueChannel replies = new QueueChannel();
    handler.setOutputChannel(replies);
    Message<String> message = new GenericMessage<String>("Hello, world!");

    // no advice
    handler.handleMessage(message);
    Message<?> reply = replies.receive(1000);
    assertNotNull(reply);
    assertEquals("baz", reply.getPayload());

    PollableChannel successChannel = new QueueChannel();
    PollableChannel failureChannel = new QueueChannel();
    ExpressionEvaluatingRequestHandlerAdvice advice = new ExpressionEvaluatingRequestHandlerAdvice();
    advice.setBeanFactory(mock(BeanFactory.class));
    advice.setSuccessChannel(successChannel);
    advice.setFailureChannel(failureChannel);
    advice.setOnSuccessExpression("'foo'");
    advice.setOnFailureExpression("'bar:' + #exception.message");

    List<Advice> adviceChain = new ArrayList<Advice>();
    adviceChain.add(advice);
    handler.setAdviceChain(adviceChain);
    handler.afterPropertiesSet();

    // advice with success
    handler.handleMessage(message);
    reply = replies.receive(1000);
    assertNotNull(reply);
    assertEquals("baz", reply.getPayload());

    Message<?> success = successChannel.receive(1000);
    assertNotNull(success);
    assertEquals("Hello, world!", ((AdviceMessage) success).getInputMessage().getPayload());
    assertEquals("foo", success.getPayload());

    // advice with failure, not trapped
    doFail.set(true);
    try {
        handler.handleMessage(message);
        fail("Expected exception");
    } catch (Exception e) {
        assertEquals("qux", e.getCause().getMessage());
    }

    Message<?> failure = failureChannel.receive(1000);
    assertNotNull(failure);
    assertEquals("Hello, world!", ((MessagingException) failure.getPayload()).getFailedMessage().getPayload());
    assertEquals("bar:qux",
            ((MessageHandlingExpressionEvaluatingAdviceException) failure.getPayload()).getEvaluationResult());

    // advice with failure, trapped
    advice.setTrapException(true);
    handler.handleMessage(message);
    failure = failureChannel.receive(1000);
    assertNotNull(failure);
    assertEquals("Hello, world!", ((MessagingException) failure.getPayload()).getFailedMessage().getPayload());
    assertEquals("bar:qux",
            ((MessageHandlingExpressionEvaluatingAdviceException) failure.getPayload()).getEvaluationResult());
    assertNull(replies.receive(1));

    // advice with failure, eval is result
    advice.setReturnFailureExpressionResult(true);
    handler.handleMessage(message);
    failure = failureChannel.receive(1000);
    assertNotNull(failure);
    assertEquals("Hello, world!", ((MessagingException) failure.getPayload()).getFailedMessage().getPayload());
    assertEquals("bar:qux",
            ((MessageHandlingExpressionEvaluatingAdviceException) failure.getPayload()).getEvaluationResult());

    reply = replies.receive(1000);
    assertNotNull(reply);
    assertEquals("bar:qux", reply.getPayload());

}

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From source file:org.springframework.integration.handler.advice.AdvisedMessageHandlerTests.java

@Test
public void propagateOnSuccessExpressionFailures() {
    final AtomicBoolean doFail = new AtomicBoolean();
    AbstractReplyProducingMessageHandler handler = new AbstractReplyProducingMessageHandler() {
        @Override/*from w w w  .  j a  va2s.  com*/
        protected Object handleRequestMessage(Message<?> requestMessage) {
            if (doFail.get()) {
                throw new RuntimeException("qux");
            }
            return "baz";
        }
    };
    QueueChannel replies = new QueueChannel();
    handler.setOutputChannel(replies);
    Message<String> message = new GenericMessage<String>("Hello, world!");

    PollableChannel successChannel = new QueueChannel();
    PollableChannel failureChannel = new QueueChannel();
    ExpressionEvaluatingRequestHandlerAdvice advice = new ExpressionEvaluatingRequestHandlerAdvice();
    advice.setBeanFactory(mock(BeanFactory.class));
    advice.setSuccessChannel(successChannel);
    advice.setFailureChannel(failureChannel);
    advice.setOnSuccessExpression("1/0");
    advice.setOnFailureExpression("1/0");

    List<Advice> adviceChain = new ArrayList<Advice>();
    adviceChain.add(advice);
    handler.setAdviceChain(adviceChain);
    handler.afterPropertiesSet();

    // failing advice with success
    handler.handleMessage(message);
    Message<?> reply = replies.receive(1000);
    assertNotNull(reply);
    assertEquals("baz", reply.getPayload());

    Message<?> success = successChannel.receive(1000);
    assertNotNull(success);
    assertEquals("Hello, world!", ((AdviceMessage) success).getInputMessage().getPayload());
    assertEquals(ArithmeticException.class, success.getPayload().getClass());
    assertEquals("/ by zero", ((Exception) success.getPayload()).getMessage());

    // propagate failing advice with success
    advice.setPropagateEvaluationFailures(true);
    try {
        handler.handleMessage(message);
        fail("Expected Exception");
    } catch (MessageHandlingException e) {
        assertEquals("/ by zero", e.getCause().getMessage());
    }
    reply = replies.receive(1);
    assertNull(reply);

    success = successChannel.receive(1000);
    assertNotNull(success);
    assertEquals("Hello, world!", ((AdviceMessage) success).getInputMessage().getPayload());
    assertEquals(ArithmeticException.class, success.getPayload().getClass());
    assertEquals("/ by zero", ((Exception) success.getPayload()).getMessage());

}

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From source file:org.springframework.integration.handler.advice.AdvisedMessageHandlerTests.java

@Test
public void propagateOnFailureExpressionFailures() {
    final AtomicBoolean doFail = new AtomicBoolean(true);
    AbstractReplyProducingMessageHandler handler = new AbstractReplyProducingMessageHandler() {
        @Override/* ww  w . j  a v  a2  s.c om*/
        protected Object handleRequestMessage(Message<?> requestMessage) {
            if (doFail.get()) {
                throw new RuntimeException("qux");
            }
            return "baz";
        }
    };
    QueueChannel replies = new QueueChannel();
    handler.setOutputChannel(replies);
    Message<String> message = new GenericMessage<String>("Hello, world!");

    PollableChannel successChannel = new QueueChannel();
    PollableChannel failureChannel = new QueueChannel();
    ExpressionEvaluatingRequestHandlerAdvice advice = new ExpressionEvaluatingRequestHandlerAdvice();
    advice.setSuccessChannel(successChannel);
    advice.setFailureChannel(failureChannel);
    advice.setOnSuccessExpression("1/0");
    advice.setOnFailureExpression("1/0");

    List<Advice> adviceChain = new ArrayList<Advice>();
    adviceChain.add(advice);
    handler.setAdviceChain(adviceChain);
    handler.afterPropertiesSet();

    // failing advice with failure
    try {
        handler.handleMessage(message);
        fail("Expected exception");
    } catch (Exception e) {
        assertEquals("qux", e.getCause().getMessage());
    }
    Message<?> reply = replies.receive(1);
    assertNull(reply);

    Message<?> failure = failureChannel.receive(1000);
    assertNotNull(failure);
    assertEquals("Hello, world!", ((MessagingException) failure.getPayload()).getFailedMessage().getPayload());
    assertEquals(MessageHandlingExpressionEvaluatingAdviceException.class, failure.getPayload().getClass());
    assertEquals("qux", ((Exception) failure.getPayload()).getCause().getMessage());

    // propagate failing advice with failure; expect original exception
    advice.setPropagateEvaluationFailures(true);
    try {
        handler.handleMessage(message);
        fail("Expected Exception");
    } catch (MessageHandlingException e) {
        assertEquals("qux", e.getCause().getMessage());
    }
    reply = replies.receive(1);
    assertNull(reply);

    failure = failureChannel.receive(1000);
    assertNotNull(failure);
    assertEquals("Hello, world!", ((MessagingException) failure.getPayload()).getFailedMessage().getPayload());
    assertEquals(MessageHandlingExpressionEvaluatingAdviceException.class, failure.getPayload().getClass());
    assertEquals("qux", ((Exception) failure.getPayload()).getCause().getMessage());

}

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