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

Introduction

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

Prototype

public String getContentType() 

Source Link

Usage

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

@Override
protected Message createMessage(Object object, MessageProperties messageProperties) {
    String contentType = messageProperties.getContentType();
    MessageConverter converter = converters.get(contentType);
    if (converter == null) //Try to fall back
        converter = this.fallbackConverter;
    if (converter == null) //Can't even fall back, punt
        throw new MessageConversionException("Cannot find converter for content type of " + contentType);

    return converter.toMessage(object, messageProperties);
}

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

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

    MessageConverter converter = converters.get(contentType);
    if (converter == null) //Try to fall back
        converter = this.fallbackConverter;
    if (converter == null) //Can't even fall back, punt
        throw new MessageConversionException("Cannot find converter for content type of " + contentType);

    return converter.fromMessage(message);
}

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

public Object fromMessage(Message message) throws MessageConversionException {
    MessageProperties props = message.getMessageProperties();
    if (isAuthorized(props) && props.getContentType().equals("application/zip")) {
        BatchMessage msg = new BatchMessage();
        msg.setId(new String(props.getCorrelationId()));
        String timeout = "2";
        if (props.getHeaders().containsKey("timeout")) {
            timeout = props.getHeaders().get("timeout").toString();
        }/* w  w w  .j ava 2s .com*/
        msg.setTimeout(Integer.parseInt(timeout));

        ZipInputStream zin = new ZipInputStream(new ByteArrayInputStream(message.getBody()));
        ZipEntry zentry;
        try {
            while (null != (zentry = zin.getNextEntry())) {
                byte[] buff = new byte[4096];
                StringWriter json = new StringWriter();
                for (int bytesRead = 0; bytesRead > -1; bytesRead = zin.read(buff)) {
                    json.write(new String(buff, 0, bytesRead));
                }
                msg.getMessages().put(zentry.getName(), json.toString());
            }
        } catch (IOException e) {
            throw new MessageConversionException(e.getMessage(), e);
        }

        return msg;
    } else {
        throw new MessageConversionException("Invalid security key.");
    }
}

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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 {// ww  w . j  a v  a 2s.  co 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 ww  w . ja  va 2s  . 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 .j a  v a 2  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;/*  w  w w  . j ava2 s . co  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 w w .ja  v a2  s. co  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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