On 24.Jun.2003 -- 12:16 AM, Arthur Allen wrote:
> With some help from my friends I've been able to read largish XML clobs
> into a session attributes using modular data base actions.
Great!
> Unfortunately my hope of doing any actual xml processing on these suckers
> using the session attribute generator (very cool) have failed miserably, as
> SAX & xsl processors
> (I tried them all) refuse to accept the text as valid xml.
You need to parse the text first or make sure that the object
implements xmlizable. Since there is no SQL type that is supposed to
be XML, this cannot be done automatically for you. If there were a
type for this, the JDBCTypeConversions class would be the place to
support it.
> If I were to write a custom action, is there any handy routine I could use
> to
> rewrite my "xml clob" session attributes into a type acceptable to SAX &the
> xsl processors?
Well, you need to parse it using a standard XML parser and return a
xmlizable object, DOM would be fine.
> Do DBMS's adhere to some standard in this area? I'm using mysql.
None that I'm aware of.
> Pray tell, what is the current best practice for processing xml clobs under
> cocoon? Does
> esql offer help?
esql offers a "get-xml" tag that does the parsing for you. Plain XSP
offer the util logicsheet, that has a include-expr tag for a similar
purpose.
Chris.
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