question: private void deleteOldTemp ( File fileCfg ) { BufferedReader reader = null ; try { int count = 0 ; reader = new BufferedReader ( new FileReader ( fileCfg ) ) ; String sLine ; while ( ( sLine = reader . readLine ( ) ) != null ) { File file = new File ( sLine ) ; if ( ! file . exists ( ) ) { continue ; } if ( file . delete ( ) ) { count ++ ; } else { hsDeleteOnExit . add ( file ) ; } } logDebug ( LogArea . CONFIG , "Deleted %d old temp files listed in %s" , count , fileCfg . getAbsolutePath ( ) ) ; } catch ( IOException e ) { } finally { if ( reader != null ) { try { reader . close ( ) ; } catch ( IOException e ) { } } } }
target:  Deletes temporary files listed in the file. The method is called on shutdown().