How to retrieve and use an XSL file from CLOB field

I am using Java to query my data and return XML formatted data. I am able to format this data using an XSLStylesheet file. But I want to instead use an XSL Stylesheet stored in a clob field.
I have an XSL file stored in a clob field. How can I retrieve and use it to initialize an XMLDocument and then create an XSLStylesheet.
Thanks for your help,
Les Smith

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|   `-- com
|       `-- example
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http://help.sap.com/saphelp_46c/helpdata/EN/35/2cd77bd7705394e10000009b387c12/frameset.htm
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