Example usage for org.springframework.amqp.core MessageListener onMessage

Introduction

In this page you can find the example usage for org.springframework.amqp.core MessageListener onMessage.

Prototype

void onMessage(Message message);

Source Link

Document

Delivers a single message.

Usage

From source file:org.springframework.amqp.rabbit.listener.AbstractMessageListenerContainer.java

/**
 * Invoke the specified listener as Spring Rabbit MessageListener.
 * <p>//from ww  w .  j  a v  a 2 s .  c  o  m
 * Default implementation performs a plain invocation of the <code>onMessage</code> method.
 * <p>
 * Exception thrown from listener will be wrapped to {@link ListenerExecutionFailedException}.
 *
 * @param listener the Rabbit MessageListener to invoke
 * @param message the received Rabbit Message
 * @throws Exception Any Exception.
 *
 * @see org.springframework.amqp.core.MessageListener#onMessage
 */
protected void doInvokeListener(MessageListener listener, Message message) throws Exception {
    try {
        listener.onMessage(message);
    } catch (Exception e) {
        throw wrapToListenerExecutionFailedExceptionIfNeeded(e, message);
    }
}

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From source file:org.springframework.integration.amqp.channel.DispatcherHasNoSubscribersTests.java

@Test
public void testPtP() {
    final Channel channel = mock(Channel.class);
    Connection connection = mock(Connection.class);
    doAnswer(new Answer<Channel>() {
        public Channel answer(InvocationOnMock invocation) throws Throwable {
            return channel;
        }/*from   w ww. jav  a  2  s .co  m*/
    }).when(connection).createChannel(anyBoolean());
    ConnectionFactory connectionFactory = mock(ConnectionFactory.class);
    when(connectionFactory.createConnection()).thenReturn(connection);
    SimpleMessageListenerContainer container = new SimpleMessageListenerContainer();
    container.setConnectionFactory(connectionFactory);
    AmqpTemplate amqpTemplate = mock(AmqpTemplate.class);

    PointToPointSubscribableAmqpChannel amqpChannel = new PointToPointSubscribableAmqpChannel(
            "noSubscribersChannel", container, amqpTemplate);
    amqpChannel.setBeanName("noSubscribersChannel");
    amqpChannel.afterPropertiesSet();

    MessageListener listener = (MessageListener) container.getMessageListener();
    try {
        listener.onMessage(new Message("Hello world!".getBytes(), null));
        fail("Exception expected");
    } catch (MessageDeliveryException e) {
        assertEquals("Dispatcher has no subscribers for amqp-channel 'noSubscribersChannel'.", e.getMessage());
    }
}

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From source file:org.springframework.integration.amqp.channel.DispatcherHasNoSubscribersTests.java

@Test
public void testPubSub() {
    final Channel channel = mock(Channel.class);
    Connection connection = mock(Connection.class);
    doAnswer(new Answer<Channel>() {
        public Channel answer(InvocationOnMock invocation) throws Throwable {
            return channel;
        }/*from w w w.  ja  v a  2  s .  co  m*/
    }).when(connection).createChannel(anyBoolean());
    ConnectionFactory connectionFactory = mock(ConnectionFactory.class);
    when(connectionFactory.createConnection()).thenReturn(connection);
    SimpleMessageListenerContainer container = new SimpleMessageListenerContainer();
    container.setConnectionFactory(connectionFactory);
    AmqpTemplate amqpTemplate = mock(AmqpTemplate.class);
    final Queue queue = new Queue("noSubscribersQueue");
    PublishSubscribeAmqpChannel amqpChannel = new PublishSubscribeAmqpChannel("noSubscribersChannel", container,
            amqpTemplate) {
        @Override
        protected Queue initializeQueue(AmqpAdmin admin, String channelName) {
            return queue;
        }
    };
    amqpChannel.setBeanName("noSubscribersChannel");
    amqpChannel.afterPropertiesSet();

    List<String> logList = insertMockLoggerInListener(amqpChannel);
    MessageListener listener = (MessageListener) container.getMessageListener();
    listener.onMessage(new Message("Hello world!".getBytes(), null));
    verifyLogReceived(logList);
}

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