[jira] [Resolved] (CAMEL-17844) camel-bean: @Handler annotation doesn't work with FunctionalInterfaces

["Claus Ibsen (Jira)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/CAMEL-17844?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Claus Ibsen resolved CAMEL-17844.
---------------------------------
    Fix Version/s: 3.17.0
                       (was: 3.x)
       Resolution: Fixed

> camel-bean: @Handler annotation doesn't work with FunctionalInterfaces
> ----------------------------------------------------------------------
>
>                 Key: CAMEL-17844
>                 URL: https://issues.apache.org/jira/browse/CAMEL-17844
>             Project: Camel
>          Issue Type: Improvement
>          Components: camel-bean
>    Affects Versions: 3.4.1
>            Reporter: Bjørn Ole Myrold
>            Priority: Minor
>             Fix For: 3.17.0
>
>
> Version 3.4.1 introduced fixes in regards to how BeanInfo gets built, this seems to break beans which are @FunctionalInterfaces.
> I believe it was introduced with https://issues.apache.org/jira/browse/CAMEL-15278
> The fix created in the above case only handles super classes, and does not look at interfaces. A lambda cast to a FunctionalInterface will only provide Object as super class, and BeanInfo will then not find any methods marked with @Handler in the interface.
>  
> This works in 3.4.0, but not in 3.4.1 or higher
> {code:java}
> public class TestRoute extends RouteBuilder {
>     @Override public void configure() throws Exception {
>         from("direct:testRoute").id("TestRoute")
>             .bean((Formatter) a -> String.format("%s %s", a.getName(), a.getOtherName()))
>             .to("direct:testEndpoint");
>     }
>     @FunctionalInterface
>     public interface Formatter {
>         @Handler String test(@Body RandomPojo t);
>     }
> } {code}



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