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

Introduction

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

Prototype

public QueueChannel() 

Source Link

Document

Create a channel with "unbounded" queue capacity.

Usage

From source file:org.springframework.integration.xmpp.inbound.ChatMessageListeningEndpointTests.java

@Test
public void testExpression() throws Exception {
    TestXMPPConnection testXMPPConnection = new TestXMPPConnection();

    QueueChannel inputChannel = new QueueChannel();

    ChatMessageListeningEndpoint endpoint = new ChatMessageListeningEndpoint(testXMPPConnection);
    SpelExpressionParser parser = new SpelExpressionParser();
    endpoint.setPayloadExpression(parser.parseExpression("#root"));
    endpoint.setOutputChannel(inputChannel);
    endpoint.setBeanFactory(mock(BeanFactory.class));
    endpoint.afterPropertiesSet();/*from   w w  w  .jav  a  2 s. c  o  m*/
    endpoint.start();

    Message smackMessage = new Message();
    smackMessage.setBody("foo");

    XmlPullParser xmlPullParser = PacketParserUtils.newXmppParser(new StringReader(smackMessage.toString()));
    xmlPullParser.next();
    testXMPPConnection.parseAndProcessStanza(xmlPullParser);

    org.springframework.messaging.Message<?> receive = inputChannel.receive(10000);
    assertNotNull(receive);

    Object payload = receive.getPayload();
    assertThat(payload, instanceOf(Message.class));
    assertEquals(smackMessage.getStanzaId(), ((Message) payload).getStanzaId());
    assertEquals(smackMessage.getBody(), ((Message) payload).getBody());

    Log logger = Mockito.spy(TestUtils.getPropertyValue(endpoint, "logger", Log.class));
    given(logger.isInfoEnabled()).willReturn(true);
    final CountDownLatch logLatch = new CountDownLatch(1);
    willAnswer(invocation -> {
        Object result = invocation.callRealMethod();
        logLatch.countDown();
        return result;
    }).given(logger).info(anyString());

    new DirectFieldAccessor(endpoint).setPropertyValue("logger", logger);

    endpoint.setPayloadExpression(null);

    smackMessage = new Message();
    xmlPullParser = PacketParserUtils.newXmppParser(new StringReader(smackMessage.toString()));
    xmlPullParser.next();
    testXMPPConnection.parseAndProcessStanza(xmlPullParser);

    ArgumentCaptor<String> argumentCaptor = ArgumentCaptor.forClass(String.class);

    assertTrue(logLatch.await(10, TimeUnit.SECONDS));

    verify(logger).info(argumentCaptor.capture());

    assertEquals("The XMPP Message [" + smackMessage + "] with empty body is ignored.",
            argumentCaptor.getValue());

    endpoint.stop();
}

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From source file:org.springframework.integration.xmpp.inbound.ChatMessageListeningEndpointTests.java

@Test
public void testGcmExtension() throws Exception {
    String data = "{\n" + "      \"to\":\"me\",\n" + "     \"notification\": {\n"
            + "        \"title\": \"Something interesting\",\n" + "        \"text\": \"Here we go\"\n"
            + "           },\n" + "      \"time_to_live\":\"600\"\n" + "      }\n" + "}";
    GcmPacketExtension packetExtension = new GcmPacketExtension(data);
    Message smackMessage = new Message();
    smackMessage.addExtension(packetExtension);

    TestXMPPConnection testXMPPConnection = new TestXMPPConnection();

    QueueChannel inputChannel = new QueueChannel();

    ChatMessageListeningEndpoint endpoint = new ChatMessageListeningEndpoint(testXMPPConnection);
    Expression payloadExpression = new SpelExpressionParser().parseExpression("#extension.json");
    endpoint.setPayloadExpression(payloadExpression);
    endpoint.setOutputChannel(inputChannel);
    endpoint.setBeanFactory(mock(BeanFactory.class));
    endpoint.afterPropertiesSet();//from   www .j  a va  2 s.com
    endpoint.start();

    XmlPullParser xmlPullParser = PacketParserUtils.newXmppParser(new StringReader(smackMessage.toString()));
    xmlPullParser.next();
    testXMPPConnection.parseAndProcessStanza(xmlPullParser);

    org.springframework.messaging.Message<?> receive = inputChannel.receive(10000);
    assertNotNull(receive);

    assertEquals(data, receive.getPayload());

    endpoint.stop();
}

---

From source file:org.springframework.xd.dirt.integration.bus.rabbit.RabbitMessageBusTests.java

@SuppressWarnings("unchecked")
@Test/*ww w . j a  v  a 2s  . c o  m*/
public void testBatchingAndCompression() throws Exception {
    RabbitTemplate template = new RabbitTemplate(this.rabbitAvailableRule.getResource());
    MessageBus bus = getMessageBus();
    Properties properties = new Properties();
    properties.put("deliveryMode", "NON_PERSISTENT");
    properties.put("batchingEnabled", "true");
    properties.put("batchSize", "2");
    properties.put("batchBufferLimit", "100000");
    properties.put("batchTimeout", "30000");
    properties.put("compress", "true");

    DirectChannel output = new DirectChannel();
    output.setBeanName("batchingProducer");
    bus.bindProducer("batching.0", output, properties);

    while (template.receive("xdbus.batching.0") != null) {
    }

    Log logger = spy(TestUtils.getPropertyValue(bus, "messageBus.compressingPostProcessor.logger", Log.class));
    new DirectFieldAccessor(TestUtils.getPropertyValue(bus, "messageBus.compressingPostProcessor"))
            .setPropertyValue("logger", logger);
    when(logger.isTraceEnabled()).thenReturn(true);

    assertEquals(Deflater.BEST_SPEED,
            TestUtils.getPropertyValue(bus, "messageBus.compressingPostProcessor.level"));

    output.send(new GenericMessage<>("foo".getBytes()));
    output.send(new GenericMessage<>("bar".getBytes()));

    Object out = spyOn("batching.0").receive(false);
    assertThat(out, instanceOf(byte[].class));
    assertEquals("\u0000\u0000\u0000\u0003foo\u0000\u0000\u0000\u0003bar", new String((byte[]) out));

    ArgumentCaptor<Object> captor = ArgumentCaptor.forClass(Object.class);
    verify(logger).trace(captor.capture());
    assertThat(captor.getValue().toString(), containsString("Compressed 14 to "));

    QueueChannel input = new QueueChannel();
    input.setBeanName("batchingConsumer");
    bus.bindConsumer("batching.0", input, null);

    output.send(new GenericMessage<>("foo".getBytes()));
    output.send(new GenericMessage<>("bar".getBytes()));

    Message<byte[]> in = (Message<byte[]>) input.receive(10000);
    assertNotNull(in);
    assertEquals("foo", new String(in.getPayload()));
    in = (Message<byte[]>) input.receive(10000);
    assertNotNull(in);
    assertEquals("bar", new String(in.getPayload()));
    assertNull(in.getHeaders().get(AmqpHeaders.DELIVERY_MODE));

    bus.unbindProducers("batching.0");
    bus.unbindConsumers("batching.0");
}

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