Creating an OMText using a DataHandler

[Asankha C. Perera]

Hi

I want to read a large ( > 4MB .. typically upto or over 10MB) text file 
and create an OMTextNode to hold its contents. This is because within 
Apache Synapse I may do an XSLT transform over a huge payload that 
generates say a CSV output of a few megabytes. Now I keep this within a 
OMText node within the SOAP envelope.

If I try to read the file into a String/StringBuffer I run out of heap 
memory (most often).. and thus I want to use the 
OMFactory.createOMText(DataHandler, boolean) method to overcome this.

           FileDataSource fileDataSource = new FileDataSource(file);
           OMTextImpl textData =
               (OMTextImpl) fac.createOMText(new 
DataHandler(fileDataSource), false);
           wrapper = 
fac.createOMElement(BaseConstants.DEFAULT_TEXT_WRAPPER, null);
           wrapper.addChild(textData);

But what gets stored into the OMText is the text file probably read in 
as Base64!..  Is this the intended behavior of this method or am I doing 
something wrong? How should I be reading a huge text file into an OMText 
node?

thanks
asankha


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