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From "Claus Ibsen (JIRA)" <>
Subject [jira] Commented: (CAMEL-1226) String formatter / interpolator for dsl uris
Date Tue, 06 Jan 2009 05:53:05 GMT


Claus Ibsen commented on CAMEL-1226:

I think the builder for *to* already have varargs for a pipeline with N destinations. 
from("direct:start").to("log:foo", "bean:validate", "bean:process", "mail:xxxx")

So it can't really be done without adding some rules such as if the first parameter is a string
and it has {1} placeholders then these remaining parameters are for these placeholders.
Or something like that. 

Any ideas?

But the idea is very cool and something I would like to have as well. Making the route much
easier to read as well. I kinda miss Groovy and it's $ support for Strings. Damm Java starts
to feel "old"

> String formatter / interpolator for dsl uris
> --------------------------------------------
>                 Key: CAMEL-1226
>                 URL:
>             Project: Apache Camel
>          Issue Type: Improvement
>          Components: camel-core
>            Reporter: Atle Prange
>            Priority: Minor
> Often one ends up with dsl expressions that build strings like:
> {code}
>  from("direct:start").to("ldap:localhost:" + port + "?base=" + query);
> {code}
> Would in not be better to write
> {code}
> from("direct:start").to("ldps:localhost:{1}?base={2}", port, query);
> {code}
> , where "{1}" means "the first argument in the string varargs following. ( "{1}" could
of course be replaced by some expression that you like the format of)
> To implementent this one could overload the from() and to() methods to accept a vararg
array of Strings following the uri argument, and interpolate the uri with the varargs...

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