Example usage for org.springframework.amqp.support.postprocessor GZipPostProcessor GZipPostProcessor

Introduction

In this page you can find the example usage for org.springframework.amqp.support.postprocessor GZipPostProcessor GZipPostProcessor.

Prototype

public GZipPostProcessor() 

Source Link

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);//from  w  w  w.java 2s.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);/* w  w  w .  ja v  a2 s. c o  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);//w  w w . j  a  v a 2s  .  co 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);/*  w w  w.  ja v a  2s .co m*/
    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 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);/*  www  .  j ava 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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