@Override public Item item(final QueryContext qc, final InputInfo ii) throws QueryException { checkCreate(qc); final Path path = toPath(0, qc); final B64 archive = toB64(exprs[1], qc, false); final TokenSet hs = entries(2, qc); try (ArchiveIn in = ArchiveIn.get(archive.input(info), info)) { while (in.more()) { final ZipEntry ze = in.entry(); final String name = ze.getName(); if (hs == null || hs.delete(token(name)) != 0) { final Path file = path.resolve(name); if (ze.isDirectory()) { Files.createDirectories(file); } else { Files.createDirectories(file.getParent()); Files.write(file, in.read()); } } } } catch (final IOException ex) { throw ARCH_FAIL_X.get(info, ex); } return null; }
/** * 以阻塞的方式立即下载一个文件,该方法会覆盖已经存在的文件 * * @param task * @return "ok" if download success (else return errmessage); */ static String download(DownloadTask task) { if (!openedStatus && show) openStatus(); URL url; HttpURLConnection conn; try { url = new URL(task.getOrigin()); conn = (HttpURLConnection) url.openConnection(); conn.setConnectTimeout(30000); conn.setReadTimeout(30000); conn.setRequestProperty( "User-Agent", "Mozilla/5.0 (Windows NT 6.1; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/43.0.2357.134 Safari/" + Math.random()); if ("www.imgjav.com".equals(url.getHost())) { // 该网站需要带cookie请求 conn.setRequestProperty( "User-Agent", "Mozilla/5.0 (Windows NT 6.1; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/43.0.2357.134 Safari/537.36"); // conn.setRequestProperty("Cookie", "__cfduid=d219ea333c7a9b5743b572697b631925a1446093229; // cf_clearance=6ae62d843f5d09acf393f9e4eb130d9366840c82-1446093303-28800"); conn.setRequestProperty( "Cookie", "__cfduid=d6ee846b378bb7d5d173a05541f8a2b6a1446090548; cf_clearance=ea10e8db31f8b6ee51570b118dd89b7e616d7b62-1446099714-28800"); conn.setRequestProperty("Host", "www.imgjav.com"); } Path directory = Paths.get(task.getDest()).getParent(); if (!Files.exists(directory)) Files.createDirectories(directory); } catch (Exception e) { e.printStackTrace(); return e.getMessage(); } try (InputStream is = conn.getInputStream(); BufferedInputStream in = new BufferedInputStream(is); FileOutputStream fos = new FileOutputStream(task.getDest()); OutputStream out = new BufferedOutputStream(fos); ) { int length = conn.getContentLength(); if (length < 1) throw new IOException("length<1"); byte[] binary = new byte[length]; byte[] buff = new byte[65536]; int len; int index = 0; while ((len = in.read(buff)) != -1) { System.arraycopy(buff, 0, binary, index, len); index += len; allLen += len; // allLen有线程安全的问题 ,可能会不正确。无需精确数据,所以不同步了 task.setReceivePercent(String.format("%.2f", ((float) index / length) * 100) + "%"); } out.write(binary); } catch (IOException e) { e.printStackTrace(); return e.getMessage(); } return "ok"; }
/** * Searches for the directory 'dirPath'; if not found, tries to create it, then returns a File * object for that directory. */ public static File ensureDirExists(final String dirPath) { File dirpath = new File(dirPath); if (!dirpath.isDirectory()) { if (!dirpath.exists()) { printDebug("[Meta] " + dirpath + " does not exist: creating it..."); try { Files.createDirectories(Paths.get(dirpath.getPath())); return dirpath; } catch (IOException e) { printDebug("[Meta] Exception while creating directory:"); e.printStackTrace(); return null; } } else { printDebug( "[Meta] Error: path `" + dirpath + "' is not a valid directory path, and could not create it."); return null; } } else return dirpath; }