weblogic virtual path configuration

[Dr.Dark]

I am using weblogic portal and have following configuration in \[code\]weblogic.xml\[/code\]\[code\]<wls:virtual-directory-mapping><wls:local-path>d:\temp\</wls:local-path><wls:url-pattern>*.zip</wls:url-pattern></wls:virtual-directory-mapping>\[/code\]can i set the local path in here dynamically using java?