public File lookupGzipBundleFile ( final File file ) throws IOException { String path = file . getPath ( ) + ZipUtil . GZIP_EXT ; File gzipFile = new File ( path ) ; if ( ! gzipFile . exists ( ) ) { if ( log . isDebugEnabled ( ) ) { log . debug ( "gzip bundle to " + path ) ; } ZipUtil . gzip ( file ) ; } return gzipFile ; }
Locates gzipped version of bundle file . If gzip file does not exist it will be created .