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From "Claus Ibsen (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (CAMEL-7428) Simple Language - Operators are not evaluated for setting body or headers
Date Sun, 11 May 2014 08:59:14 GMT

    [ https://issues.apache.org/jira/browse/CAMEL-7428?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13994480#comment-13994480
] 

Claus Ibsen commented on CAMEL-7428:
------------------------------------

Do NOT use literals, but you must have a function on the left hand side, such as ${body} or
${header.foo}. The simple language is not for evaluating "true == true" or "'hello' == 'hello'".
That is NOT its purpose. It is for evaluating data from the Camel Exchange / Message.


> Simple Language - Operators are not evaluated for setting body or headers
> -------------------------------------------------------------------------
>
>                 Key: CAMEL-7428
>                 URL: https://issues.apache.org/jira/browse/CAMEL-7428
>             Project: Camel
>          Issue Type: Bug
>          Components: camel-core
>    Affects Versions: 2.12.3, 2.13.0
>            Reporter: Peter Keller
>
> Operators are not evaluated if using {{simple}} for setting bodies or headers:
> {code}
> from("direct:simple")
>     .setHeader("myHeader").simple("true == true", Boolean.class)
>     .log("header = [${header.myHeader}]")
>     .setBody(simple("true == true", Boolean.class))
>     .log("body = [${body}]");
> {code}
> Output is as follows:
> {code}
> INFO  header = [false]
> INFO  body = [false]
> {code}
> The outcome should be {{true}} in both cases.
> Also, see http://stackoverflow.com/questions/23523409/camel-how-to-set-boolean-header-parameter-using-simple-comparison/23560989#23560989



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