Example usage for org.springframework.amqp.rabbit.core BatchingRabbitTemplate setBeforePublishPostProcessors

Introduction

In this page you can find the example usage for org.springframework.amqp.rabbit.core BatchingRabbitTemplate setBeforePublishPostProcessors.

Prototype

public void setBeforePublishPostProcessors(MessagePostProcessor... beforePublishPostProcessors) 

Source Link

Document

Set MessagePostProcessor s that will be invoked immediately before invoking Channel#basicPublish() , after all other processing, except creating the BasicProperties from MessageProperties .

Usage

From source file:org.springframework.amqp.rabbit.core.BatchingRabbitTemplateTests.java

@Test
public void testSimpleBatchGZipped() throws Exception {
    BatchingStrategy batchingStrategy = new SimpleBatchingStrategy(2, Integer.MAX_VALUE, 30000);
    BatchingRabbitTemplate template = new BatchingRabbitTemplate(batchingStrategy, this.scheduler);
    template.setConnectionFactory(this.connectionFactory);
    GZipPostProcessor gZipPostProcessor = new GZipPostProcessor();
    assertEquals(Deflater.BEST_SPEED, getStreamLevel(gZipPostProcessor));
    template.setBeforePublishPostProcessors(gZipPostProcessor);
    MessageProperties props = new MessageProperties();
    Message message = new Message("foo".getBytes(), props);
    template.send("", ROUTE, message);
    message = new Message("bar".getBytes(), props);
    template.send("", ROUTE, message);
    message = receive(template);/*  w  ww  .j  a v  a2s  . c  o  m*/
    assertEquals("gzip", message.getMessageProperties().getContentEncoding());
    GUnzipPostProcessor unzipper = new GUnzipPostProcessor();
    message = unzipper.postProcessMessage(message);
    assertEquals("\u0000\u0000\u0000\u0003foo\u0000\u0000\u0000\u0003bar", new String(message.getBody()));
}

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From source file:org.springframework.amqp.rabbit.core.BatchingRabbitTemplateTests.java

@Test
public void testSimpleBatchGZippedConfiguredUnzipper() throws Exception {
    BatchingStrategy batchingStrategy = new SimpleBatchingStrategy(2, Integer.MAX_VALUE, 30000);
    BatchingRabbitTemplate template = new BatchingRabbitTemplate(batchingStrategy, this.scheduler);
    template.setConnectionFactory(this.connectionFactory);
    GZipPostProcessor gZipPostProcessor = new GZipPostProcessor();
    gZipPostProcessor.setLevel(Deflater.BEST_COMPRESSION);
    assertEquals(Deflater.BEST_COMPRESSION, getStreamLevel(gZipPostProcessor));
    template.setBeforePublishPostProcessors(gZipPostProcessor);
    template.setAfterReceivePostProcessors(new GUnzipPostProcessor());
    MessageProperties props = new MessageProperties();
    Message message = new Message("foo".getBytes(), props);
    template.send("", ROUTE, message);
    message = new Message("bar".getBytes(), props);
    template.send("", ROUTE, message);
    message = receive(template);/*from ww  w  . j av  a  2 s  .  co  m*/
    assertNull(message.getMessageProperties().getContentEncoding());
    assertEquals("\u0000\u0000\u0000\u0003foo\u0000\u0000\u0000\u0003bar", new String(message.getBody()));
}

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From source file:org.springframework.amqp.rabbit.core.BatchingRabbitTemplateTests.java

@Test
public void testSimpleBatchGZippedWithEncoding() throws Exception {
    BatchingStrategy batchingStrategy = new SimpleBatchingStrategy(2, Integer.MAX_VALUE, 30000);
    BatchingRabbitTemplate template = new BatchingRabbitTemplate(batchingStrategy, this.scheduler);
    template.setConnectionFactory(this.connectionFactory);
    template.setBeforePublishPostProcessors(new GZipPostProcessor());
    MessageProperties props = new MessageProperties();
    props.setContentEncoding("foo");
    Message message = new Message("foo".getBytes(), props);
    template.send("", ROUTE, message);
    message = new Message("bar".getBytes(), props);
    template.send("", ROUTE, message);
    message = receive(template);/*  ww w  .  j  av  a 2 s .c o  m*/
    assertEquals("gzip:foo", message.getMessageProperties().getContentEncoding());
    GUnzipPostProcessor unzipper = new GUnzipPostProcessor();
    message = unzipper.postProcessMessage(message);
    assertEquals("\u0000\u0000\u0000\u0003foo\u0000\u0000\u0000\u0003bar", new String(message.getBody()));
}

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From source file:org.springframework.amqp.rabbit.core.BatchingRabbitTemplateTests.java

@Test
public void testSimpleBatchGZippedWithEncodingInflated() throws Exception {
    BatchingStrategy batchingStrategy = new SimpleBatchingStrategy(2, Integer.MAX_VALUE, 30000);
    BatchingRabbitTemplate template = new BatchingRabbitTemplate(batchingStrategy, this.scheduler);
    template.setConnectionFactory(this.connectionFactory);
    template.setBeforePublishPostProcessors(new GZipPostProcessor());
    template.setAfterReceivePostProcessors(new DelegatingDecompressingPostProcessor());
    MessageProperties props = new MessageProperties();
    props.setContentEncoding("foo");
    Message message = new Message("foo".getBytes(), props);
    template.send("", ROUTE, message);
    message = new Message("bar".getBytes(), props);
    template.send("", ROUTE, message);
    Thread.sleep(100);/*from w  w w. j  a  v  a 2  s  .  c om*/
    byte[] out = (byte[]) template.receiveAndConvert(ROUTE);
    assertNotNull(out);
    assertEquals("\u0000\u0000\u0000\u0003foo\u0000\u0000\u0000\u0003bar", new String(out));
}

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From source file:org.springframework.amqp.rabbit.core.BatchingRabbitTemplateTests.java

@Test
public void testSimpleBatchZippedBestCompression() throws Exception {
    BatchingStrategy batchingStrategy = new SimpleBatchingStrategy(2, Integer.MAX_VALUE, 30000);
    BatchingRabbitTemplate template = new BatchingRabbitTemplate(batchingStrategy, this.scheduler);
    template.setConnectionFactory(this.connectionFactory);
    ZipPostProcessor zipPostProcessor = new ZipPostProcessor();
    zipPostProcessor.setLevel(Deflater.BEST_COMPRESSION);
    assertEquals(Deflater.BEST_COMPRESSION, getStreamLevel(zipPostProcessor));
    template.setBeforePublishPostProcessors(zipPostProcessor);
    MessageProperties props = new MessageProperties();
    Message message = new Message("foo".getBytes(), props);
    template.send("", ROUTE, message);
    message = new Message("bar".getBytes(), props);
    template.send("", ROUTE, message);
    message = receive(template);//from w  ww. j ava  2 s. c o m
    assertEquals("zip", message.getMessageProperties().getContentEncoding());
    UnzipPostProcessor unzipper = new UnzipPostProcessor();
    message = unzipper.postProcessMessage(message);
    assertEquals("\u0000\u0000\u0000\u0003foo\u0000\u0000\u0000\u0003bar", new String(message.getBody()));
}

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From source file:org.springframework.amqp.rabbit.core.BatchingRabbitTemplateTests.java

@Test
public void testSimpleBatchZippedWithEncoding() throws Exception {
    BatchingStrategy batchingStrategy = new SimpleBatchingStrategy(2, Integer.MAX_VALUE, 30000);
    BatchingRabbitTemplate template = new BatchingRabbitTemplate(batchingStrategy, this.scheduler);
    template.setConnectionFactory(this.connectionFactory);
    ZipPostProcessor zipPostProcessor = new ZipPostProcessor();
    assertEquals(Deflater.BEST_SPEED, getStreamLevel(zipPostProcessor));
    template.setBeforePublishPostProcessors(zipPostProcessor);
    MessageProperties props = new MessageProperties();
    props.setContentEncoding("foo");
    Message message = new Message("foo".getBytes(), props);
    template.send("", ROUTE, message);
    message = new Message("bar".getBytes(), props);
    template.send("", ROUTE, message);
    message = receive(template);//w  ww.j a  v a 2  s.  com
    assertEquals("zip:foo", message.getMessageProperties().getContentEncoding());
    UnzipPostProcessor unzipper = new UnzipPostProcessor();
    message = unzipper.postProcessMessage(message);
    assertEquals("\u0000\u0000\u0000\u0003foo\u0000\u0000\u0000\u0003bar", new String(message.getBody()));
}

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From source file:org.springframework.amqp.rabbit.core.BatchingRabbitTemplateTests.java

@Test
public void testCompressionWithContainer() throws Exception {
    final List<Message> received = new ArrayList<Message>();
    final CountDownLatch latch = new CountDownLatch(2);
    SimpleMessageListenerContainer container = new SimpleMessageListenerContainer(this.connectionFactory);
    container.setQueueNames(ROUTE);/*from   w  ww .  ja v a  2 s .  c o m*/
    container.setMessageListener((MessageListener) message -> {
        received.add(message);
        latch.countDown();
    });
    container.setReceiveTimeout(100);
    container.setAfterReceivePostProcessors(new DelegatingDecompressingPostProcessor());
    container.afterPropertiesSet();
    container.start();
    try {
        BatchingStrategy batchingStrategy = new SimpleBatchingStrategy(2, Integer.MAX_VALUE, 30000);
        BatchingRabbitTemplate template = new BatchingRabbitTemplate(batchingStrategy, this.scheduler);
        template.setConnectionFactory(this.connectionFactory);
        template.setBeforePublishPostProcessors(new GZipPostProcessor());
        MessageProperties props = new MessageProperties();
        Message message = new Message("foo".getBytes(), props);
        template.send("", ROUTE, message);
        message = new Message("bar".getBytes(), props);
        template.send("", ROUTE, message);
        assertTrue(latch.await(10, TimeUnit.SECONDS));
        assertEquals(2, received.size());
        assertEquals("foo", new String(received.get(0).getBody()));
        assertEquals(3, received.get(0).getMessageProperties().getContentLength());
        assertEquals("bar", new String(received.get(1).getBody()));
        assertEquals(3, received.get(0).getMessageProperties().getContentLength());
    } finally {
        container.stop();
    }
}

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