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

Introduction

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

Prototype

public String getContentEncoding() 

Source Link

Usage

From source file:io.meles.amqp.spring.SnappyMessageConverter.java

@Override
public Object fromMessage(final Message message) throws MessageConversionException {
    final MessageProperties compressedProperties = message.getMessageProperties();
    if (!"snappy".equals(compressedProperties.getContentEncoding())) {
        return underlyingConverter.fromMessage(message);
    }//  w  ww  .  ja v  a  2s.  c o m

    final byte[] compressedBody = message.getBody();
    final byte[] decompressedBody = compressor.decompress(compressedBody);

    // TODO should we copy the properties
    compressedProperties.setContentEncoding(null);
    return underlyingConverter.fromMessage(new Message(decompressedBody, compressedProperties));
}

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

/**
 * Handles the object invocation.//from  w ww.j  a v a2  s.co m
 *
 * @param proxy  the proxy object to invoke
 * @param method the method to call
 * @param args   the arguments to the proxy object
 */
public Object invoke(Object proxy, Method method, Object[] args) throws Throwable {
    String methodName = method.getName();
    Class<?>[] params = method.getParameterTypes();

    // equals and hashCode are special cased
    if (methodName.equals("equals") && params.length == 1 && params[0].equals(Object.class)) {
        Object value = args[0];
        if (value == null || !Proxy.isProxyClass(value.getClass())) {
            return Boolean.FALSE;
        }

        AMQPProxy handler = (AMQPProxy) Proxy.getInvocationHandler(value);

        return _factory.equals(handler._factory);
    } else if (methodName.equals("hashCode") && params.length == 0) {
        return _factory.hashCode();
    } else if (methodName.equals("toString") && params.length == 0) {
        return "[HessianProxy " + proxy.getClass() + "]";
    }

    ConnectionFactory connectionFactory = _factory.getConnectionFactory();

    Message response = sendRequest(connectionFactory, method, args);

    if (response == null) {
        throw new TimeoutException();
    }

    MessageProperties props = response.getMessageProperties();
    boolean compressed = "deflate".equals(props.getContentEncoding());

    InputStream is = new ByteArrayInputStream(response.getBody());
    if (compressed) {
        is = new InflaterInputStream(is, new Inflater(true));
    }

    return _factory.getSerializationHandler().readObject(method.getReturnType(), is);
}

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

/**
 * Handles the object invocation./*from  w  w  w .  j a v  a2  s  . com*/
 *
 * @param proxy  the proxy object to invoke
 * @param method the method to call
 * @param args   the arguments to the proxy object
 */
public Object invoke(Object proxy, Method method, Object[] args) throws Throwable {
    String methodName = method.getName();
    Class<?>[] params = method.getParameterTypes();

    // equals and hashCode are special cased
    if (methodName.equals("equals") && params.length == 1 && params[0].equals(Object.class)) {
        Object value = args[0];
        if (value == null || !Proxy.isProxyClass(value.getClass())) {
            return Boolean.FALSE;
        }

        AMQPHessianProxy handler = (AMQPHessianProxy) Proxy.getInvocationHandler(value);

        return _factory.equals(handler._factory);
    } else if (methodName.equals("hashCode") && params.length == 0) {
        return _factory.hashCode();
    } else if (methodName.equals("toString") && params.length == 0) {
        return "[HessianProxy " + proxy.getClass() + "]";
    }

    ConnectionFactory connectionFactory = _factory.getConnectionFactory();

    try {
        Message response = sendRequest(connectionFactory, method, args);

        if (response == null) {
            throw new TimeoutException();
        }

        MessageProperties props = response.getMessageProperties();
        boolean compressed = "deflate".equals(props.getContentEncoding());

        AbstractHessianInput in;

        InputStream is = new ByteArrayInputStream(response.getBody());
        if (compressed) {
            is = new InflaterInputStream(is, new Inflater(true));
        }

        int code = is.read();

        if (code == 'H') {
            int major = is.read();
            int minor = is.read();

            in = _factory.getHessian2Input(is);

            return in.readReply(method.getReturnType());
        } else if (code == 'r') {
            int major = is.read();
            int minor = is.read();

            in = _factory.getHessianInput(is);

            in.startReplyBody();

            Object value = in.readObject(method.getReturnType());

            in.completeReply();

            return value;
        } else {
            throw new HessianProtocolException("'" + (char) code + "' is an unknown code");
        }
    } catch (HessianProtocolException e) {
        throw new HessianRuntimeException(e);
    }
}

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

@Override
public Object fromMessage(Message message) throws MessageConversionException {
    MessageProperties messageProperties = message.getMessageProperties();
    if (messageProperties == null)
        throw new MessageConversionException("Cannot decode a message with no properties!");

    byte[] body = message.getBody();
    if (body == null)
        return null;

    String messageEncoding = messageProperties.getContentEncoding();
    if (messageEncoding == null)
        messageEncoding = this.encoding;

    String messageContentType = messageProperties.getContentType();
    if (this.contentType != null && !this.contentType.equalsIgnoreCase(messageContentType))
        throw new MessageConversionException("Cannot understand a message of type " + messageContentType);

    try {//from w ww.ja  va 2 s.c  o m
        return new String(body, messageEncoding);
    } catch (UnsupportedEncodingException ex) {
        LOG.error("Cannot dencode strings as {}", this.encoding, ex);
        throw new MessageConversionException("Cannot dencode strings as " + this.encoding, ex);
    }
}

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

@Override
public Object fromMessage(Message message) throws MessageConversionException {
    MessageProperties messageProperties = message.getMessageProperties();
    if (messageProperties == null)
        throw new MessageConversionException("Cannot decode a message with no properties!");

    byte[] body = message.getBody();
    if (body == null)
        return null;

    String messageEncoding = messageProperties.getContentEncoding();
    if (messageEncoding == null)
        messageEncoding = getEncoding();

    String contentType = messageProperties.getContentType();
    if (!MessageProperties.CONTENT_TYPE_JSON.equalsIgnoreCase(contentType))
        throw new MessageConversionException("Cannot understand a message of type " + contentType);

    try {//from   www  .  ja  v  a 2 s. c  o  m
        ByteArrayInputStream inStream = new ByteArrayInputStream(body);
        StaxReader reader = new StaxReader(new QNameMap(),
                this.inputFactory.createXMLStreamReader(inStream, messageEncoding));
        return this.objectMapper.unmarshal(reader);
    } catch (XMLStreamException ex) {
        String typeId = (String) messageProperties.getHeaders()
                .get(DefaultClassMapper.DEFAULT_CLASSID_FIELD_NAME);
        LOG.error("XMLStreamException trying to unmarshal message of type {}", typeId, ex);
        throw new MessageConversionException("Could not unmarshal message of type " + typeId, ex);
    } catch (XStreamException ex) {
        //For some reason messages appear to be getting eaten at this stage... very nasty when you try to troubleshoot.
        String typeId = (String) messageProperties.getHeaders()
                .get(DefaultClassMapper.DEFAULT_CLASSID_FIELD_NAME);
        LOG.error("XStreamException trying to unmarshal message of type {}", typeId, ex);
        throw new MessageConversionException("Could not unmarshal message of type " + typeId, ex);
    }
}

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From source file:org.springframework.amqp.rabbit.support.RabbitUtils.java

public static BasicProperties extractBasicProperties(Message message, String charset) {
    if (message == null || message.getMessageProperties() == null) {
        return null;
    }/*from  w  ww. ja va2  s .c  o m*/
    MessageProperties source = message.getMessageProperties();
    BasicProperties target = new BasicProperties();
    target.setHeaders(source.getHeaders());
    target.setTimestamp(source.getTimestamp());
    target.setMessageId(source.getMessageId());
    target.setUserId(source.getUserId());
    target.setAppId(source.getAppId());
    target.setClusterId(source.getClusterId());
    target.setType(source.getType());
    MessageDeliveryMode deliveryMode = source.getDeliveryMode();
    if (deliveryMode != null) {
        target.setDeliveryMode(MessageDeliveryMode.toInt(deliveryMode));
    }
    target.setExpiration(source.getExpiration());
    target.setPriority(source.getPriority());
    target.setContentType(source.getContentType());
    target.setContentEncoding(source.getContentEncoding());
    byte[] correlationId = source.getCorrelationId();
    if (correlationId != null && correlationId.length > 0) {
        try {
            target.setCorrelationId(new String(correlationId, charset));
        } catch (UnsupportedEncodingException ex) {
            throw new AmqpUnsupportedEncodingException(ex);
        }
    }
    Address replyTo = source.getReplyTo();
    if (replyTo != null) {
        target.setReplyTo(replyTo.toString());
    }
    return target;
}

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From source file:org.springframework.amqp.support.converter.Jackson2JsonMessageConverter.java

@Override
public Object fromMessage(Message message) throws MessageConversionException {
    Object content = null;/*from  w w  w .  ja va 2 s.c  o  m*/
    MessageProperties properties = message.getMessageProperties();
    if (properties != null) {
        String contentType = properties.getContentType();
        if (contentType != null && contentType.contains("json")) {
            String encoding = properties.getContentEncoding();
            if (encoding == null) {
                encoding = getDefaultCharset();
            }
            try {

                if (getClassMapper() == null) {
                    JavaType targetJavaType = getJavaTypeMapper().toJavaType(message.getMessageProperties());
                    content = convertBytesToObject(message.getBody(), encoding, targetJavaType);
                } else {
                    Class<?> targetClass = getClassMapper().toClass(message.getMessageProperties());
                    content = convertBytesToObject(message.getBody(), encoding, targetClass);
                }
            } catch (IOException e) {
                throw new MessageConversionException("Failed to convert Message content", e);
            }
        } else {
            if (log.isWarnEnabled()) {
                log.warn("Could not convert incoming message with content-type [" + contentType + "]");
            }
        }
    }
    if (content == null) {
        content = message.getBody();
    }
    return content;
}

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

@Override
public Object fromMessage(Message message) throws MessageConversionException {
    Object content = null;/*from  w ww.  j  a v  a  2s.  c  o  m*/
    MessageProperties properties = message.getMessageProperties();
    if (properties != null) {
        String contentType = properties.getContentType();
        if (contentType != null && contentType.contains("json")) {
            String encoding = properties.getContentEncoding();
            if (encoding == null) {
                encoding = this.defaultCharset;
            }
            try {

                if (getClassMapper() == null) {
                    JavaType targetJavaType = getJavaTypeMapper().toJavaType(message.getMessageProperties());
                    content = convertBytesToObject(message.getBody(), encoding, targetJavaType);
                } else {
                    Class<?> targetClass = getClassMapper().toClass(message.getMessageProperties());
                    content = convertBytesToObject(message.getBody(), encoding, targetClass);
                }
            } catch (UnsupportedEncodingException e) {
                throw new MessageConversionException("Failed to convert json-based Message content", e);
            } catch (JsonParseException e) {
                throw new MessageConversionException("Failed to convert Message content", e);
            } catch (JsonMappingException e) {
                throw new MessageConversionException("Failed to convert Message content", e);
            } catch (IOException e) {
                throw new MessageConversionException("Failed to convert Message content", e);
            }
        } else {
            log.warn("Could not convert incoming message with content-type [" + contentType + "]");
        }
    }
    if (content == null) {
        content = message.getBody();
    }
    return content;
}

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From source file:org.springframework.amqp.support.postprocessor.AbstractCompressingPostProcessor.java

@Override
public Message postProcessMessage(Message message) throws AmqpException {
    ByteArrayOutputStream zipped = new ByteArrayOutputStream();
    try {//  w w  w  .  j  a  v a2  s.c o  m
        OutputStream zipper = getCompressorStream(zipped);
        FileCopyUtils.copy(new ByteArrayInputStream(message.getBody()), zipper);
        MessageProperties messageProperties = message.getMessageProperties();
        String currentEncoding = messageProperties.getContentEncoding();
        messageProperties
                .setContentEncoding(getEncoding() + (currentEncoding == null ? "" : ":" + currentEncoding));
        if (this.autoDecompress) {
            messageProperties.setHeader(MessageProperties.SPRING_AUTO_DECOMPRESS, true);
        }
        byte[] compressed = zipped.toByteArray();
        if (this.logger.isTraceEnabled()) {
            this.logger.trace("Compressed " + message.getBody().length + " to " + compressed.length);
        }
        return new Message(compressed, messageProperties);
    } catch (IOException e) {
        throw new AmqpIOException(e);
    }
}

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