private Vector readlinesfromfile(String fname) { // trims lines and removes comments Vector v = new Vector(); try { BufferedReader br = new BufferedReader(new FileReader(new File(fname))); while (br.ready()) { String tmp = br.readLine(); // Strip comments while (tmp.indexOf("/*") >= 0) { int i = tmp.indexOf("/*"); v.add(tmp.substring(0, i)); String rest = tmp.substring(i + 2); while (tmp.indexOf("*/") == -1) { tmp = br.readLine(); } tmp = tmp.substring(tmp.indexOf("*/") + 2); } if (tmp.indexOf("//") >= 0) tmp = tmp.substring(0, tmp.indexOf("//")); // Strip spaces tmp = tmp.trim(); v.add(tmp); // System.out.println("Read line "+tmp); } br.close(); } catch (Exception e) { System.out.println("Exception " + e + " occured"); } return v; }
FileHash(File f) { hash=new long[(int)f.length()]; length=f.length(); int i=0; int h=0; try { BufferedReader br=new BufferedReader(new FileReader(f)); while (br.ready()) { int c=br.read(); h=h+c; hash[i]=h; } br.close(); } catch (Exception e) { System.out.println("What should I do with exception "+e+" ?"); } System.out.println(""+h); }
private String physReadTextFile(File file) { // physically read text file try { BufferedReader input = new BufferedReader(new InputStreamReader(new FileInputStream(file))); StringBuffer tmp = new StringBuffer(); while (input.ready()) { tmp.append(input.readLine()); tmp.append("\n"); } return tmp.toString(); } catch (FileNotFoundException e) { // not sure how this can happen showErrorDialog("Unable to load \"" + file.getName() + "\" (file not found)"); } catch (IOException e) { // This happens if e.g. file already exists and // we do not have write permissions showErrorDialog("Unable to load \"" + file.getName() + "\" (I/O error)"); } return new String(""); }
// The main procedure public static void main(String args[]) { String s; initGUI(); while (true) { try { // Poll every ~10 ms Thread.sleep(10); } catch (InterruptedException e) { } switch (connectionStatus) { case BEGIN_CONNECT: try { // Try to set up a server if host if (isHost) { hostServer = new ServerSocket(port); socket = hostServer.accept(); } // If guest, try to connect to the server else { socket = new Socket(hostIP, port); } in = new BufferedReader(new InputStreamReader(socket.getInputStream())); out = new PrintWriter(socket.getOutputStream(), true); changeStatusTS(CONNECTED, true); } // If error, clean up and output an error message catch (IOException e) { cleanUp(); changeStatusTS(DISCONNECTED, false); } break; case CONNECTED: try { // Send data if (toSend.length() != 0) { out.print(toSend); out.flush(); toSend.setLength(0); changeStatusTS(NULL, true); } // Receive data if (in.ready()) { s = in.readLine(); if ((s != null) && (s.length() != 0)) { // Check if it is the end of a trasmission if (s.equals(END_CHAT_SESSION)) { changeStatusTS(DISCONNECTING, true); } // Otherwise, receive what text else { appendToChatBox("INCOMING: " + s + "\n"); changeStatusTS(NULL, true); } } } } catch (IOException e) { cleanUp(); changeStatusTS(DISCONNECTED, false); } break; case DISCONNECTING: // Tell other chatter to disconnect as well out.print(END_CHAT_SESSION); out.flush(); // Clean up (close all streams/sockets) cleanUp(); changeStatusTS(DISCONNECTED, true); break; default: break; // do nothing } } }
public void jFileChooserActionPerformed(java.awt.event.ActionEvent evt) throws FileNotFoundException, IOException { File initialBoard = this.jFileChooser.getSelectedFile(); InputStream inputStream = new FileInputStream(initialBoard); Scanner scanner = new Scanner(inputStream); if (!initialBoard .getName() .toLowerCase() .contains("initialboard")) { // .toLowerCase().compareTo("initialboard")!=0){ JOptionPane.showMessageDialog( frame, "Wrong File \n Please select InitialBoard.txt", "Eror", JOptionPane.ERROR_MESSAGE); } else { BufferedReader in = new BufferedReader(new InputStreamReader(System.in)); try { in = new BufferedReader(new FileReader(initialBoard.getAbsolutePath())); } catch (FileNotFoundException e) { System.out.println(e.getCause()); System.out.println("Error loading initial board"); } int[] boardRows = new int[15]; // ---------------- String text = in.readLine(); StringTokenizer tokenizer = new StringTokenizer(text, " "); int boardSize = 0; while (tokenizer.hasMoreElements()) { boardRows[boardSize] = Integer.parseInt(tokenizer.nextToken()); boardSize++; } int[] newBoard = new int[boardSize * boardSize + 1]; System.arraycopy(boardRows, 0, newBoard, 1, boardSize); int index = 0; while (in.ready()) { index++; text = in.readLine(); tokenizer = new StringTokenizer(text, " "); int pos = 0; while (tokenizer.hasMoreElements()) { pos++; newBoard[index * boardSize + pos] = Integer.parseInt(tokenizer.nextToken()); } } this.jFrameFileChooser.setVisible(false); // this.boardPanel.s gameInitialBoard = new Board(newBoard, boardSize); gameBoard = new Board(newBoard, boardSize); init(); } }
/** * Read position and size of the login box from a given abstract path. * * @param abstractPath The path to the file. */ public void readPersistence(String abstractPath) { String filepath = FileUtil.openPath(abstractPath); if (filepath != null) { BufferedReader in; String line; try { File file = new File(filepath); in = new BufferedReader(new FileReader(file)); // File must start with 'Login Panel' if ((line = in.readLine()) != null) { if (!line.startsWith("Login Panel")) { Messages.postWarning("The " + filepath + " file is " + "corrupted and being removed"); // Remove the corrupted file. file.delete(); // Set the size and position to the full vnmrj frame setDefaultSizePosition(); return; } } String h = null, w = null, x = null, y = null; int xi, yi; if (in.ready()) h = in.readLine().trim(); if (in.ready()) w = in.readLine().trim(); if (in.ready()) x = in.readLine().trim(); if (in.ready()) y = in.readLine().trim(); in.close(); // Save width and height for later use also height = Integer.decode(h).intValue(); width = Integer.decode(w).intValue(); xi = Integer.decode(x).intValue(); yi = Integer.decode(y).intValue(); // Save point for later use also position = new Point(xi, yi); // Set them setSize(width, height); setLocation(position); // If we got what we need and set the size and position, // just return now. return; } // If an exception, continue below catch (Exception e) { } } // No file or an excpetion happened, set default size and position // Be sure the file is gone try { if (filepath != null) { File file = new File(filepath); if (file != null) file.delete(); } } // If an exception, just continue below catch (Exception e) { } // Set the size and position to the full vnmrj frame setDefaultSizePosition(); }