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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 06:36:03 GMT
HI Again,

On Wed, Jan 12, 2011 at 12:03 PM, Hiranya Jayathilaka
<hiranya911@gmail.com>wrote:

> 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. <http://www.webserviceX.NET/>
>
>
BTW this configuration looks a little odd. We may need to find a better way
of doing this.

Thanks,
Hiranya


> webserviceX.NET/ <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
>



-- 
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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