Temporary XSL transformation

[Eric Fesler]

Hi,

I'm trying to process an XML message and in the middle of the process, I need to query an XML DB to see if the message has already previously handled.
Depending upon the result of the request, I have to route the message through different stage.

I thought to use the HttpClient and the Router Stage. However, the XML message needed for the query is not the same as the original message. Therefore I need to find a way to temporary transform the message to issue the XML database query, then I have to take back the original message and process it.

I thought to use the Domify stage to temporary saved the original message but I don't find an esay way to get it back as document content.

Does anybody have an idea to solve this type of flow?

Thanks,

--ERic

[Robert Fuller]

One thing you could do is to assign the original content as an attribute of the PipelineDocument.  You could do this, for example, using a scripting pipeline stage.  Then after you do your transformations, etc., you would still have access to the original array of bytes by retrieving the attrbibute.

eg:
document.put("originalContent",
                    document.getBytes());

//then later to do the reset...

document.setBytes(
            (byte[])document.get("originalContent");

I think this should work...

[Martin Logan]

Did this work?

I am trying it and get
<2004-04-13 12:43:01,870> ERROR [main] :  [DefaultPipelineStageErrorHandler.hand
lePipelineStageError] PipelineStage name: docfromattribute Error: com.babeldoc.c
ore.pipeline.PipelineException: Script processing failed
<2004-04-13 12:43:01,885> ERROR [main] :  [PipelineFeeder.process]
com.babeldoc.core.pipeline.PipelineException: Script processing failed
....
-- Removed some of the errors....
....
Caused by: org.apache.bsf.BSFException: JavaScript Error: Internal Error: Syntax
Error: identifier is a reserved word (<BABELDOC>; )
after
document.setBytes(
(byte[])document.get("originalContent"));

[Martin Logan]

Some kind of extension to XPathExtract to get an attribute from and external file (Or an equivalent to SQL enrich for an XML file) would be less convoluted but...

with a slight change it works

document.put("originalContent", document.getBytes());

and then

document.setBytes(document.get("originalContent"));