On Sun, May 2, 2010 at 7:00 PM, Andreas Veithen
<andreas.veit...@gmail.com>wrote:

> On Sun, May 2, 2010 at 05:58, Kasun Indrasiri <kasun...@gmail.com> wrote:
> > Hi all,
> > So, are we going to live with coalescing parsing in Synapse? As
> > per SYNAPSE-280 which is pointed out by Andreas what are the benefits
> that
> > we can get from using non-coalescing mode in Synapse and in that case are
> we
> > planning to move to non-coalescing in the future?
> > And even though we resolve SYNAPSE-624 as 'not-a but', I guess
> > replacing OMText#getText by OMElement#getText() is still applicable.
>
> I don't see any reason why we should not fix the code to make proper
> use of OMElement#getText().
>
That was my initial thought too. :) . Anyway, I agree with Hiranya on that
changing the parser configuration is not the ideal solution at the moment.

>
>
> Thanks,
> > Kasun
> >
> > On Sat, May 1, 2010 at 3:05 PM, Hiranya Jayathilaka <
> hiranya...@gmail.com>
> > wrote:
> >>
> >> Hi Indika,
> >>
> >> On Fri, Apr 30, 2010 at 10:23 PM, indika kumara <indika.k...@gmail.com>
> >> wrote:
> >>>
> >>> Hiranya ... it seems that as Andreas pointed out in ws commons list,
> the
> >>> working with Axiom in non coalescing can be a risk.
> >>
> >> Yes. Actually that discussion helped me understand a lot. It seems the
> >> existing logic in Synapse+Axiom for handling local entries with CDATA
> >> elements is correct after all. The problem with serialization I pointed
> out
> >> in my previous mail is to be expected. Even though the serialized XML is
> >> lexically different from the input XML, their XML infosets are equal.
> Even
> >> though AXIOM has removed CDATA tags, the text has been encoded to escape
> any
> >> invalid characters like '<'.
> >> All in all I think we can live with the existing logic. We can resolve
> >> SYNAPSE-624 as 'not a bug'. However there are few things that need be
> >> properly communicated to the users through our docs.
> >> 1. If a local entry text contains any XML markup the whole text must be
> >> wrapped in CDATA tags
> >> eg: <localEntry
> >> key="foo"><![CDATA[mc.setPayloadXML(<xml>data</xml>);]]></localEntry>
> >> 2. If a local entry text contains XML markup and CDATA tags then we
> should
> >> properly escape the CDATA tags to avoid having nested CDATA elements.
> >> (Nested CDATA elements cause XML parser to throw a parse exception)
> >> eg: <localEntry
> >>
> key="foo"><![CDATA[mc.setPayloadXML(<xml><![CDATA[data]]]]><![CDATA[></xml>);]]></localEntry>
> >> 3. XML local entries with CDATA elements will not have the CDATA tags in
> >> the serialized version
> >> I have updated the test cases to cover all these scenarios and the
> >> expected behavior.
> >> Thanks,
> >> Hiranya
> >>
> >>>
> >>> is the 'coalescing' off/on a system property ?  and if  not  , is there
> >>> any way to create a new parser instance in non coalescing mode only for
> >>> synapse configuration parsing ?
> >>>
> >>> Thanks
> >>>
> >>> Indika
> >>>
> >>> On Fri, Apr 30, 2010 at 6:41 PM, Hiranya Jayathilaka
> >>> <hiranya...@gmail.com> wrote:
> >>>>
> >>>> Hi Folks,
> >>>> While doing some work on SYNAPSE-624, I have realized that Synapse
> does
> >>>> not handle local entry values with CDATA elements properly. Axiom
> seems to
> >>>> drop CDATA elements while parsing XML. For an example given the
> following
> >>>> local entry configuration:
> >>>> <localEntry key="foo"><test><![CDATA[<SomeXML/>]]></test></localEntry>
> >>>> the serialized XML would be as follows:
> >>>> <localEntry key="foo"><test>&lt;SomeXML/></test></localEntry>
> >>>>
> >>>> Note that the CDATA element is gone, and its value has been partially
> >>>> encoded. The way out of this issue is to disable coalescing in the
> parser.
> >>>> But that would be globally applied to all XML parsing logic in Synapse
> >>>> (unless we somehow use a separate OM builder for parsing local
> entries). So
> >>>> how do you think we should handle this scenario?
> >>>> Thanks
> >>>> --
> >>>> Hiranya Jayathilaka
> >>>> Software Engineer;
> >>>> WSO2 Inc.;  http://wso2.org
> >>>> E-mail: hira...@wso2.com;  Mobile: +94 77 633 3491
> >>>> Blog: http://techfeast-hiranya.blogspot.com
> >>>
> >>
> >>
> >>
> >> --
> >> Hiranya Jayathilaka
> >> Software Engineer;
> >> WSO2 Inc.;  http://wso2.org
> >> E-mail: hira...@wso2.com;  Mobile: +94 77 633 3491
> >> Blog: http://techfeast-hiranya.blogspot.com
> >
> >
> >
> > --
> > Kasun Indrasiri
> > Senior Software Engineer,
> > WSO2 Inc. - "Lean . Enterprise . Middleware" - http://www.wso2.com/
> > Blog : http://kasunpanorama.blogspot.com/
> >
> >
>
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>


-- 
Kasun Indrasiri
Senior Software Engineer,
WSO2 Inc. - "Lean . Enterprise . Middleware" - http://www.wso2.com/
Blog : http://kasunpanorama.blogspot.com/

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