Reading File from remote server with control -m user id in java -

hi our properties file resides in 1 folder. , app war file reside on same server different folder. scenario ...i dont have read access file have 1 user id have read access ..so using userid how can read file java program , worst case cannot passwaord userid id control m id ..please advise asap

i have tried getting password user id. , setting file.setreadable(true) not convenient way..and not secure also.