Example usage for org.springframework.integration.channel QueueChannel receive

List of usage examples for org.springframework.integration.channel QueueChannel receive

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Introduction

In this page you can find the example usage for org.springframework.integration.channel QueueChannel receive.

Prototype

@Override 
@Nullable
public Message<?> receive(long timeout)

Source Link

Document

Receive the first available message from this channel.

Usage

From source file:org.springframework.integration.ftp.dsl.FtpTests.java

@Test
public void testFtpInboundFlow() {
    QueueChannel out = new QueueChannel();
    IntegrationFlow flow = IntegrationFlows.from(
            Ftp.inboundAdapter(sessionFactory()).preserveTimestamp(true).remoteDirectory("ftpSource")
                    .regexFilter(".*\\.txt$").localFilename(f -> f.toUpperCase() + ".a")
                    .localDirectory(getTargetLocalDirectory()),
            e -> e.id("ftpInboundAdapter").poller(Pollers.fixedDelay(100))).channel(out).get();
    IntegrationFlowRegistration registration = this.flowContext.registration(flow).register();
    Message<?> message = out.receive(10_000);
    assertNotNull(message);// w w  w.  jav a 2 s .co  m
    Object payload = message.getPayload();
    assertThat(payload, instanceOf(File.class));
    File file = (File) payload;
    assertThat(file.getName(), isOneOf(" FTPSOURCE1.TXT.a", "FTPSOURCE2.TXT.a"));
    assertThat(file.getAbsolutePath(), containsString("localTarget"));

    message = out.receive(10_000);
    assertNotNull(message);
    file = (File) message.getPayload();
    assertThat(file.getName(), isOneOf(" FTPSOURCE1.TXT.a", "FTPSOURCE2.TXT.a"));
    assertThat(file.getAbsolutePath(), containsString("localTarget"));

    assertNull(out.receive(10));

    File remoteFile = new File(this.sourceRemoteDirectory, " " + prefix() + "Source1.txt");
    remoteFile.setLastModified(System.currentTimeMillis() - 1000 * 60 * 60 * 24);

    message = out.receive(10_000);
    assertNotNull(message);
    payload = message.getPayload();
    assertThat(payload, instanceOf(File.class));
    file = (File) payload;
    assertEquals(" FTPSOURCE1.TXT.a", file.getName());

    registration.destroy();
}

From source file:org.springframework.integration.ftp.dsl.FtpTests.java

@Test
public void testFtpInboundStreamFlow() throws Exception {
    QueueChannel out = new QueueChannel();
    StandardIntegrationFlow flow = IntegrationFlows.from(
            Ftp.inboundStreamingAdapter(new FtpRemoteFileTemplate(sessionFactory()))
                    .remoteDirectory("ftpSource").regexFilter(".*\\.txt$"),
            e -> e.id("ftpInboundAdapter").poller(Pollers.fixedDelay(100))).channel(out).get();
    IntegrationFlowRegistration registration = this.flowContext.registration(flow).register();
    Message<?> message = out.receive(10_000);
    assertNotNull(message);// w  w w. j a  v a  2s  .  c  o m
    assertThat(message.getPayload(), instanceOf(InputStream.class));
    assertThat(message.getHeaders().get(FileHeaders.REMOTE_FILE), isOneOf(" ftpSource1.txt", "ftpSource2.txt"));
    new IntegrationMessageHeaderAccessor(message).getCloseableResource().close();

    message = out.receive(10_000);
    assertNotNull(message);
    assertThat(message.getPayload(), instanceOf(InputStream.class));
    assertThat(message.getHeaders().get(FileHeaders.REMOTE_FILE), isOneOf(" ftpSource1.txt", "ftpSource2.txt"));
    new IntegrationMessageHeaderAccessor(message).getCloseableResource().close();

    registration.destroy();
}

From source file:org.springframework.integration.ftp.dsl.FtpTests.java

@Test
@SuppressWarnings("unchecked")
public void testFtpMgetFlow() {
    QueueChannel out = new QueueChannel();
    IntegrationFlow flow = f -> f//  w w  w . ja va2  s . c o m
            .handle(Ftp
                    .outboundGateway(sessionFactory(), AbstractRemoteFileOutboundGateway.Command.MGET,
                            "payload")
                    .options(AbstractRemoteFileOutboundGateway.Option.RECURSIVE)
                    .filterExpression("name matches 'subFtpSource|.*1.txt'")
                    .localDirectoryExpression("'" + getTargetLocalDirectoryName() + "' + #remoteDirectory")
                    .localFilenameExpression("#remoteFileName.replaceFirst('ftpSource', 'localTarget')"))
            .channel(out);
    IntegrationFlowRegistration registration = this.flowContext.registration(flow).register();
    String dir = "ftpSource/";
    registration.getInputChannel().send(new GenericMessage<>(dir + "*"));
    Message<?> result = out.receive(10_000);
    assertNotNull(result);
    List<File> localFiles = (List<File>) result.getPayload();
    // should have filtered ftpSource2.txt
    assertEquals(2, localFiles.size());

    for (File file : localFiles) {
        assertThat(file.getPath().replaceAll(Matcher.quoteReplacement(File.separator), "/"),
                Matchers.containsString(dir));
    }
    assertThat(localFiles.get(1).getPath().replaceAll(Matcher.quoteReplacement(File.separator), "/"),
            Matchers.containsString(dir + "subFtpSource"));

    registration.destroy();
}

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

@Test
public void successFailureAdvice() {
    final AtomicBoolean doFail = new AtomicBoolean();
    AbstractReplyProducingMessageHandler handler = new AbstractReplyProducingMessageHandler() {
        @Override// ww  w  . j  a v  a 2 s  .  c o  m
        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());

}

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  ww w  .  j a v a  2  s.c  o m
        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());

}

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//from   w ww.  ja  va2 s  .c  o m
        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());

}

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

@Test
public void defaultRetrySucceedOnThirdTry() {
    final AtomicInteger counter = new AtomicInteger(2);
    AbstractReplyProducingMessageHandler handler = new AbstractReplyProducingMessageHandler() {

        @Override//from  ww  w  . ja  v a  2s.  c om
        protected Object handleRequestMessage(Message<?> requestMessage) {
            if (counter.getAndDecrement() > 0) {
                throw new RuntimeException("foo");
            }
            return "bar";
        }
    };
    QueueChannel replies = new QueueChannel();
    handler.setOutputChannel(replies);
    RequestHandlerRetryAdvice advice = new RequestHandlerRetryAdvice();

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

    Message<String> message = new GenericMessage<String>("Hello, world!");
    handler.handleMessage(message);
    assertTrue(counter.get() == -1);
    Message<?> reply = replies.receive(1000);
    assertNotNull(reply);
    assertEquals("bar", reply.getPayload());

}

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

@Test
public void defaultStatefulRetrySucceedOnThirdTry() {
    final AtomicInteger counter = new AtomicInteger(2);
    AbstractReplyProducingMessageHandler handler = new AbstractReplyProducingMessageHandler() {

        @Override/* ww w.j a v  a2 s .c  o  m*/
        protected Object handleRequestMessage(Message<?> requestMessage) {
            if (counter.getAndDecrement() > 0) {
                throw new RuntimeException("foo");
            }
            return "bar";
        }
    };
    QueueChannel replies = new QueueChannel();
    handler.setOutputChannel(replies);
    RequestHandlerRetryAdvice advice = new RequestHandlerRetryAdvice();

    advice.setRetryStateGenerator(new RetryStateGenerator() {
        public RetryState determineRetryState(Message<?> message) {
            return new DefaultRetryState(message.getHeaders().getId());
        }
    });

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

    Message<String> message = new GenericMessage<String>("Hello, world!");
    for (int i = 0; i < 3; i++) {
        try {
            handler.handleMessage(message);
        } catch (Exception e) {
            assertTrue(i < 2);
        }
    }
    assertTrue(counter.get() == -1);
    Message<?> reply = replies.receive(1000);
    assertNotNull(reply);
    assertEquals("bar", reply.getPayload());

}

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

private void defaultStatefulRetryRecoverAfterThirdTryGuts(final AtomicInteger counter,
        AbstractReplyProducingMessageHandler handler, QueueChannel replies, RequestHandlerRetryAdvice advice) {
    advice.setRecoveryCallback(new RecoveryCallback<Object>() {

        public Object recover(RetryContext context) throws Exception {
            return "baz";
        }/* ww w  .j av a2s .c  o m*/
    });

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

    Message<String> message = new GenericMessage<String>("Hello, world!");
    for (int i = 0; i < 4; i++) {
        try {
            handler.handleMessage(message);
        } catch (Exception e) {
        }
    }
    assertTrue(counter.get() == 0);
    Message<?> reply = replies.receive(1000);
    assertNotNull(reply);
    assertEquals("baz", reply.getPayload());
}

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

@Test
public void errorMessageSendingRecovererTests() {
    AbstractReplyProducingMessageHandler handler = new AbstractReplyProducingMessageHandler() {

        @Override/*from   w  w w. j a v a 2  s  .c  o m*/
        protected Object handleRequestMessage(Message<?> requestMessage) {
            throw new RuntimeException("fooException");
        }
    };
    QueueChannel errors = new QueueChannel();
    RequestHandlerRetryAdvice advice = new RequestHandlerRetryAdvice();
    ErrorMessageSendingRecoverer recoverer = new ErrorMessageSendingRecoverer(errors);
    advice.setRecoveryCallback(recoverer);

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

    Message<String> message = new GenericMessage<String>("Hello, world!");
    handler.handleMessage(message);
    Message<?> error = errors.receive(1000);
    assertNotNull(error);
    assertEquals("fooException", ((Exception) error.getPayload()).getCause().getMessage());

}