Example usage for org.springframework.amqp.core MessageProperties setContentType

List of usage examples for org.springframework.amqp.core MessageProperties setContentType

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Introduction

In this page you can find the example usage for org.springframework.amqp.core MessageProperties setContentType.

Prototype

public void setContentType(String contentType)

Source Link

Usage

From source file:com.jbrisbin.vpc.jobsched.mapred.ReplyClosure.java

@Override
public Object call(final Object obj) {
    log.debug("obj: " + obj);
    String replyTo = (String) getProperty("replyTo");
    if (null != replyTo) {
        rabbitTemplate.send("", replyTo, new MessageCreator() {
            public Message createMessage() {
                MessageProperties props = new RabbitMessageProperties();
                props.setContentType("application/json");
                props.setCorrelationId(getProperty("id").toString().getBytes());
                ByteArrayOutputStream out = new ByteArrayOutputStream();
                try {
                    mapper.writeValue(out, obj);
                } catch (IOException e) {
                    log.error(e.getMessage(), e);
                }/*from   ww w .  j a va 2  s.c  o  m*/
                Message msg = new Message(out.toByteArray(), props);
                if (log.isDebugEnabled()) {
                    log.debug("Sending reply: " + msg);
                }
                return msg;
            }
        });
    } else {
        log.warn("Reply requested, but replyTo was null!");
    }
    return null;
}

From source file:amqp.spring.converter.ContentTypeConverterFactoryTest.java

@Test
public void testStringConversion() throws Exception {
    TestObject testObject = new TestObject();
    testObject.setValue("TESTING");

    StringConverter stringConverter = new StringConverter();
    stringConverter.setContentType("application/xml");

    ContentTypeConverterFactory converter = new ContentTypeConverterFactory();
    converter.getConverters().put("application/json", new XStreamConverter());
    converter.getConverters().put("application/xml", new StringConverter());
    converter.setDefaultContentType("application/json");
    converter.setFallbackConverter(new StringConverter());

    MessageProperties messageProperties = new MessageProperties();
    messageProperties.setContentType("application/xml");

    Message amqpMessage = converter.toMessage(testObject, messageProperties);
    Assert.assertEquals("TESTING", new String(amqpMessage.getBody()));

    Object newObject = converter.fromMessage(amqpMessage);
    Assert.assertEquals("TESTING", newObject);
}

From source file:amqp.spring.converter.ContentTypeConverterFactoryTest.java

@Test
public void testJSONConversion() throws Exception {
    TestObject testObject = new TestObject();
    testObject.setValue("TESTING");

    StringConverter stringConverter = new StringConverter();
    stringConverter.setContentType("application/xml");

    ContentTypeConverterFactory converter = new ContentTypeConverterFactory();
    converter.getConverters().put("application/json", new XStreamConverter());
    converter.getConverters().put("application/xml", new StringConverter());
    converter.setDefaultContentType("application/json");
    converter.setFallbackConverter(new StringConverter());

    MessageProperties messageProperties = new MessageProperties();
    messageProperties.setContentType("application/json");

    Message amqpMessage = converter.toMessage(testObject, messageProperties);
    Assert.assertEquals(/*ww  w . j a  v a2 s  .co  m*/
            "{\"amqp.spring.converter.ContentTypeConverterFactoryTest_-TestObject\":{\"value\":\"TESTING\"}}",
            new String(amqpMessage.getBody()));

    Object newObject = converter.fromMessage(amqpMessage);
    Assert.assertEquals(testObject, newObject);
}

From source file:com.jbrisbin.vpc.jobsched.SubmitClosure.java

@Override
public Object call(Object[] args) {
    log.debug("args: " + args);
    String exch = args[0].toString();
    String route = args[1].toString();
    final Object body = args[2];
    Map headers = null;// w  w w .  j a  v a 2s.co m

    final BlockingQueue<Object> resultsQueue = new LinkedBlockingQueue<Object>();
    Queue replyQueue = rabbitAdmin.declareQueue();
    SimpleMessageListenerContainer listener = new SimpleMessageListenerContainer();
    listener.setQueues(replyQueue);
    if (args.length > 3) {
        for (int i = 3; i <= args.length; i++) {
            if (args[i] instanceof MessageListener) {
                MessageListener callback = (MessageListener) args[3];
                listener.setMessageListener(callback);
            } else if (args[i] instanceof Map) {
                headers = (Map) args[i];
            }
        }
    } else {
        listener.setMessageListener(new MessageListener() {
            public void onMessage(Message message) {
                byte[] body = message.getBody();
                try {
                    resultsQueue.add(mapper.readValue(body, 0, body.length, Map.class));
                } catch (IOException e) {
                    log.error(e.getMessage(), e);
                }
            }
        });
    }

    final Map msgHdrs = headers;
    rabbitTemplate.send(exch, route, new MessageCreator() {
        public Message createMessage() {
            MessageProperties props = new RabbitMessageProperties();
            props.setContentType("application/json");
            if (null != msgHdrs) {
                props.getHeaders().putAll(msgHdrs);
            }
            String uuid = UUID.randomUUID().toString();
            props.setCorrelationId(uuid.getBytes());
            ByteArrayOutputStream out = new ByteArrayOutputStream();
            try {
                mapper.writeValue(out, body);
            } catch (IOException e) {
                log.error(e.getMessage(), e);
            }
            Message msg = new Message(out.toByteArray(), props);
            return msg;
        }
    });

    Object results = null;
    try {
        results = resultsQueue.poll(5, TimeUnit.SECONDS);
    } catch (InterruptedException e) {
        log.error(e.getMessage(), e);
    }
    listener.stop();

    return results;
}

From source file:org.resthub.rpc.AMQPHessianProxy.java

/**
 * Send request message/*from   w w w  .j  a  v  a  2 s . c  om*/
 * 
 * @param connectionFactory Spring connection factory
 * @param method Method to call
 * @param args Method arguments
 * @return Response to the sent request
 * @throws IOException
 */
private Message sendRequest(ConnectionFactory connectionFactory, Method method, Object[] args)
        throws IOException {
    RabbitTemplate template = this._factory.getTemplate();

    byte[] payload = createRequestBody(method, args);

    MessageProperties messageProperties = new MessageProperties();
    messageProperties.setContentType("x-application/hessian");
    if (_factory.isCompressed()) {
        messageProperties.setContentEncoding("deflate");
    }

    Message message = new Message(payload, messageProperties);
    Message response = template.sendAndReceive(_factory.getRequestExchangeName(_factory.getServiceInterface()),
            _factory.getRequestQueueName(_factory.getServiceInterface()), message);

    return response;
}

From source file:org.springframework.amqp.support.converter.Jackson2JsonMessageConverterTests.java

@Test
public void testDefaultTypeConfig() {
    byte[] bytes = "{\"name\" : \"foo\" }".getBytes();
    MessageProperties messageProperties = new MessageProperties();
    messageProperties.setContentType("application/json");
    Message message = new Message(bytes, messageProperties);
    Object foo = jsonConverterWithDefaultType.fromMessage(message);
    assertTrue(foo instanceof Foo);
}

From source file:org.springframework.amqp.support.converter.Jackson2JsonMessageConverterTests.java

@Test
public void testDefaultType() {
    byte[] bytes = "{\"name\" : \"foo\" }".getBytes();
    MessageProperties messageProperties = new MessageProperties();
    messageProperties.setContentType("application/json");
    Message message = new Message(bytes, messageProperties);
    JsonMessageConverter converter = new JsonMessageConverter();
    DefaultClassMapper classMapper = new DefaultClassMapper();
    classMapper.setDefaultType(Foo.class);
    converter.setClassMapper(classMapper);
    Object foo = converter.fromMessage(message);
    assertTrue(foo instanceof Foo);
}

From source file:com.jbrisbin.vpc.jobsched.batch.BatchMessageConverter.java

public Message toMessage(Object object, MessageProperties props) throws MessageConversionException {
    if (object instanceof BatchMessage) {
        BatchMessage batch = (BatchMessage) object;
        props.setCorrelationId(batch.getId().getBytes());
        props.setContentType("application/zip");

        ByteArrayOutputStream bout = new ByteArrayOutputStream();
        ZipOutputStream zout = new ZipOutputStream(bout);
        for (Map.Entry<String, String> msg : batch.getMessages().entrySet()) {
            ZipEntry zentry = new ZipEntry(msg.getKey());
            try {
                zout.putNextEntry(zentry);
                zout.write(msg.getValue().getBytes());
                zout.closeEntry();/*from w ww. j a  va2 s .c  o  m*/
            } catch (IOException e) {
                throw new MessageConversionException(e.getMessage(), e);
            }
        }

        try {
            zout.flush();
            zout.close();
        } catch (IOException e) {
            throw new MessageConversionException(e.getMessage(), e);
        }

        return new Message(bout.toByteArray(), props);
    } else {
        throw new MessageConversionException(
                "Cannot convert object " + String.valueOf(object) + " using " + getClass().toString());
    }
}

From source file:amqp.spring.converter.StringConverter.java

@Override
protected Message createMessage(Object object, MessageProperties messageProperties) {
    try {//from w  w w.j ava 2 s. c o  m
        byte[] body = null;
        if (object != null) {
            body = object.toString().getBytes(this.encoding);
        }

        String msgContentType = this.contentType == null ? DEFAULT_CONTENT_TYPE : this.contentType;
        messageProperties.setContentType(msgContentType);
        messageProperties.setContentEncoding(this.encoding);
        messageProperties.setContentLength(body != null ? body.length : 0);
        return new Message(body, messageProperties);
    } catch (UnsupportedEncodingException ex) {
        LOG.error("Cannot encode strings as {}", this.encoding, ex);
        throw new MessageConversionException("Cannot encode strings as " + this.encoding, ex);
    }
}

From source file:com.jbrisbin.vpc.jobsched.mapred.MapReduceMessageHandler.java

private void onKeyChange(final String id, final String key) {
    final String token = id + key;
    Closure cl = contextCache.remove(token);
    Closure onKeyChange = (Closure) cl.getProperty("onKeyChange");
    onKeyChange.setProperty("key", key);
    final Object o = onKeyChange.call();
    if (null != o) {
        // Send to rereduce
        rabbitTemplate.send("", DigestUtils.md5Hex(id), new MessageCreator() {
            public Message createMessage() {
                MessageProperties props = new RabbitMessageProperties();
                props.setContentType("application/json");
                props.setCorrelationId(id.getBytes());
                ByteArrayOutputStream out = new ByteArrayOutputStream();
                try {
                    mapper.writeValue(out, o);
                } catch (IOException e) {
                    log.error(e.getMessage(), e);
                }/*  w w  w.  ja va  2 s . c  om*/
                Message msg = new Message(out.toByteArray(), props);
                return msg;
            }
        });
    }
}