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From Hiranya Jayathilaka <hiranya...@gmail.com>
Subject Re: Introducing regex flag support To the Filter mediator
Date Wed, 12 Jan 2011 06:33:32 GMT
Hi Charith,

On Wed, Jan 12, 2011 at 11:56 AM, Charith Wickramarachchi <
charith.dhanushka@gmail.com> wrote:

> Hi ,
>
> If we look at the current Synapse filter mediator it does not support regex
> based filtering for multi-line Strings.
> IMO having that feature is useful  since there are scenarios where we need
> to do reg-ex filtering in multi-line Strings in message.
>

+1 for fixing this. This is a limitation.


>
> So as a solution to that i thought of introducing  flag support to the
> Filter mediator with the regex matching. So users can optionally configure
> flags like
> MULTILINE , DOTALL , CASE_INSENSITIVE with the filter mediator.
>
> And also they will be able to use the combination of flags
>
> ex :
> DOTALL | CASE_INSENSITIVE
>
> after introducing this example filter mediator will look like this
>
> <filter source="." regex=".*connection.*" flag="DOTALL | CASE_INSENSITIVE"
> xmlns:m="http://www.webserviceX.NET/">
>
> you can find more information in [1]
>
> I'm going of introduce following flags which i think is useful.
>
>    - MULTILINE
>    - DOTALL
>    - UNIX_LINES
>    - CASE_INSENSITIVE
>
> May I know how you came up with this list and what the rationale is?

Thanks,
Hiranya


> If devs are ok i'll go head and add this feature to trunk.
>
> [1] http://www.javamex.com/tutorials/regular_expressions/multiline.shtml
>
> thanks,
> Charith
>
>
>
> --
> Charith Dhanushka Wickramarachchi
> http://charithwiki.blogspot.com/
>
>


-- 
Hiranya Jayathilaka
Senior Software Engineer;
WSO2 Inc.;  http://wso2.org
E-mail: hiranya@wso2.com;  Mobile: +94 77 633 3491
Blog: http://techfeast-hiranya.blogspot.com

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