question: public static boolean deleteFilesInADirectory ( String directoryPath ) { if ( ( directoryPath == null ) || directoryPath . isEmpty ( ) ) { return false ; } boolean isSuccessfulDelete = true ; List < File > files = getListOfFilesInADirectory ( directoryPath ) ; if ( files == null ) { return false ; } try { for ( File file : files ) { boolean fileDeleteSuccess = deleteFile ( directoryPath , file . getName ( ) ) ; if ( ! fileDeleteSuccess ) { isSuccessfulDelete = false ; } } } catch ( Exception e ) { logger . debug ( e . toString ( ) + System . lineSeparator ( ) + StackTrace . getStringFromStackTrace ( e ) ) ; isSuccessfulDelete = false ; } return isSuccessfulDelete ; }
target:  This is a quiet method.