How to dynamically take location of file in File adapter

hi,
I want to dynamically take the location of the file, in a file adapter,
please advice me how we can take that.
thanks
Yatan

thanks for useful input,
actually I want to pass or configure the location from some file insted of harcoding it.
presently in side the file adapter wsdl file "Read_file.wsdl" this is happening
*<jca:operation*
*"PhysicalDirectory="/aaa/aaa/aaabpel/aaa/aaa/aaa/source5"*
*ActivationSpec="oracle.tip.adapter.file.inbound.FileActivationSpec"*
*PhysicalArchiveDirectory="/aaa/aaa/aaabpel/aaa/aaa/aaa/source5sucess"*
*DeleteFile="true"*
*IncludeFiles="test.*\.xml"*
*PollingFrequency="10"*
*MinimumAge="0"*
*OpaqueSchema="false" >*
*</jca:operation>*
can "PhysicalDirectory="/aaa/aaa/aaabpel/aaa/aaa/aaa/source5"
and PhysicalArchiveDirectory="/aaa/aaa/aaabpel/aaa/aaa/aaa/source5sucess"
these values be picked up from some config file, or if you are aware of some way of doing this.
please advice
thanks
Yatan

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