private void initDriverList() { try { Thread thread = Thread.currentThread(); ClassLoader loader = thread.getContextClassLoader(); Enumeration iter = loader.getResources("META-INF/services/java.sql.Driver"); while (iter.hasMoreElements()) { URL url = (URL) iter.nextElement(); ReadStream is = null; try { is = Vfs.lookup(url.toString()).openRead(); String filename; while ((filename = is.readLine()) != null) { int p = filename.indexOf('#'); if (p >= 0) filename = filename.substring(0, p); filename = filename.trim(); if (filename.length() == 0) continue; try { Class cl = Class.forName(filename, false, loader); Driver driver = null; if (Driver.class.isAssignableFrom(cl)) driver = (Driver) cl.newInstance(); if (driver != null) { log.fine(L.l("DatabaseManager adding driver '{0}'", driver.getClass().getName())); _driverList.add(driver); } } catch (Exception e) { log.log(Level.FINE, e.toString(), e); } } } catch (Exception e) { log.log(Level.FINE, e.toString(), e); } finally { if (is != null) is.close(); } } } catch (Exception e) { log.log(Level.FINE, e.toString(), e); } }
/** * Creates a new Jar. * * @param path canonical path */ public ZipScanner(Path path) { try { _path = path; int length = (int) path.getLength(); ReadStream is = path.openRead(); try { // PACK200 is a standard comment, so try skipping it first is.skip(length - 22 - 7); if (is.read() != 0x50) { is.skip(6); if (is.read() != 0x50) return; } if (is.read() == 0x4b && is.read() == 0x05 && is.read() == 0x06) { _isValid = true; } if (_isValid) { is.skip(6); _entries = is.read() + (is.read() << 8); is.skip(4); _offset = readInt(is); } } finally { is.close(); } } catch (Exception e) { log().log(Level.FINER, e.toString(), e); } }