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From Sylvain Wallez <>
Subject Re: WriteableSource to write anywhere
Date Mon, 25 Feb 2002 13:55:09 GMT
Gianugo Rabellino wrote:

> Sylvain Wallez wrote:
>> Considering the discussions about the FileWritingTransformer, Cocoon
>> symetry and Stefano's source/drain RT, I added in
>> org.apache.cocoon.environment a new interface I already talked about :
>> WriteableSource. It adds writing methods to Source's reading abilities.
> Cool stuff Sylvain!


>> The door is now open to other implementations that will allow us to
>> write anything anywhere just as Source already allows to read anything
>> anywhere. Some possible implementations include xmldb (Gianugo ?), SQL
>> blobs, http/ftp upload, etc.
> I will take a look at it ASAP, I promise :-) Still, I'm a bit confused 
> about the idea of writable URLs... how can you tell, given just a URL, 
> when it's supposed to be a writable object or just a readable one? 

This cannot be known with the URL alone, but with the Source object :
  Source src = resolver.resolve(uri);
  if (src instanceof WriteableSource) {
     ContentHandler ch = ((WriteableSouce)src).getContentHandler();


Sylvain Wallez
Anyware Technologies -

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