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From Martin Krasser <...@martin-krasser.de>
Subject Re: [Discuss] - Camel Properties Component - Change tokens to avoid clash with Spring 3.0
Date Fri, 02 Apr 2010 09:31:04 GMT
What about

- prefix = {{
- suffix = }}

Then we'd avoid reserved URI characters such as $, #, ... etc.

Am 02.04.2010 11:07, schrieb Claus Ibsen:
> Hi
>
> See ticket
> https://issues.apache.org/activemq/browse/CAMEL-2599
>
> The problem is that Spring 3.0 includes a EL by default which is
> automatic in use in the Spring XML files.
> It uses the same tokens as we do with Camel Properties component and
> therefore Spring EL fails with an exception.
>
> The easiest and also least problematic resolution is to use a
> different tokens in Camel to avoid the clash.
> It will also be least surprise by Camel end users if they mix and
> match between Spring EL and Camel Properties.
>
> So what tokens do you want to use? Currently we did use
> - prefix = #{
> - suffix = }
>
> For example:
>                  from("#{cool.start}")
>
> .to("log:#{cool.start}?showBodyType=false&showExchangeId=#{cool.showid}")
>                      .to("mock:#{cool.result}");
>
>
> A)
> ===
> I am thinking of changing to:
> - prefix = #[
> - suffix = ]
>
> For example:
>                  from("#[cool.start]")
>
> .to("log:#[cool.start]?showBodyType=false&showExchangeId=#[cool.showid]")
>                      .to("mock:#[cool.result]");
>
> B)
> ===
> Or maybe?
> - prefix = #p{
> - suffix = }
>
> For example:
>                  from("#p{cool.start}")
>
> .to("log:#p{cool.start}?showBodyType=false&showExchangeId=#p{cool.showid}")
>                      .to("mock:#p{cool.result}");
>
>
> C)
> ====
> We cannot do this one
> - prefix = ${
> - suffix = }
>
> As it will clash with Camel Simple language (would take more work to
> let them co-exist in peace :)
> However we could most likely use a longer preifx such as
>
> - prefix = ${p:
> - suffix = }
>
> For example:
>                  from("${p:cool.start}")
>
> .to("log:${p:cool.start}?showBodyType=false&showExchangeId=$p{p:cool.showid}")
>                      .to("mock:${p:cool.result}");
>
>
> Do you have any thoughts and preference what tokens to use?
>
>
>
>    


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