[jira] [Assigned] (CAMEL-8723) Add desired message type to ProducerTemplate.sendBody methods

["Luca Burgazzoli (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/CAMEL-8723?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Luca Burgazzoli reassigned CAMEL-8723:
--------------------------------------

    Assignee: Luca Burgazzoli

> Add desired message type to ProducerTemplate.sendBody methods
> -------------------------------------------------------------
>
>                 Key: CAMEL-8723
>                 URL: https://issues.apache.org/jira/browse/CAMEL-8723
>             Project: Camel
>          Issue Type: New Feature
>          Components: camel-core
>    Affects Versions: 2.15.1
>            Reporter: Geert Schuring
>            Assignee: Luca Burgazzoli
>              Labels: pojo, type-converter
>             Fix For: Future
>
>         Attachments: camel-8723.patch
>
>
> Using Pojo Messaging annotations, Camel automatically uses the Type Converter system to unmarshall XML messages to JAXB objects in the following scenario:
> {code:java}
> public class CamelPojoDemo {
> 	
>     @Produce(uri = "amq:camelpojodemo.reply")
>     private ProducerTemplate producer;
> 	
>     @Consume(uri = "amq:camelpojodemo.request")
>     public void trigger(UpdateMarketDataMessage message) {
>     	String result = "Processed prices: " + message.getMarketData().getPrices().size();
>     	producer.sendBody(result);
>     }
> }
> {code}
> However, handing the producer a JAXB object and expecting it to marshall it to XML before sending it does not seem possible in the current API.
> I would like to propose to add the following method to the ProducerTemplate:
> {code}
>   /**
>      * Sends the body to the default endpoint after converting it to the given type
>      * <br/><br/>
>      * <p/><b>Notice:</b> that if the processing of the exchange failed with an Exception
>      * it is thrown from this method as a {@link org.apache.camel.CamelExecutionException} with
>      * the caused exception wrapped.
>      *
>      * @param body the payload to send
>      * @param type the type which the body should be converted to before sending
>      * @throws CamelExecutionException if the processing of the exchange failed
>      */
>     void sendBody(Object body, Class type) throws CamelExecutionException;
> {code}
> This would allow users to send a JAXB object and instruct Camel to use its Type Converter system to marshall the object to XML:
> {code}
> producer.sendBody(jaxbObject, String.class);
> {code}
> Note: The sendBody, sendBodyAndHeader and sendBodyAndProperty methods are all overloaded several times which could mean quite a number of new methods. 



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