question: private boolean saveStoredJPEGImage ( String file_name , final BufferedImage image , final boolean file_name_is_path ) { if ( ! file_name_is_path ) { file_name = temp_dir + key + file_name ; } final String s = file_name . toLowerCase ( ) ; if ( ! s . endsWith ( ".jpg" ) && ! s . endsWith ( ".jpeg" ) ) { file_name += ".jpg" ; } try { DefaultImageHelper . write ( image , "jpg" , file_name ) ; tempFileNames . put ( file_name , "#" ) ; } catch ( final Exception e ) { LogWriter . writeLog ( "Exception " + e + " writing image " + image + " as " + file_name ) ; } return false ; }
target:  save buffered image as JPEG