Example usage for java.util Scanner Scanner

Introduction

In this page you can find the example usage for java.util Scanner Scanner.

Prototype

public Scanner(ReadableByteChannel source)

Source Link

Document

Constructs a new Scanner that produces values scanned from the specified channel.

Usage

From source file:com.aerofs.baseline.http.HttpUtils.java

public static String readStreamToString(InputStream in) throws IOException {
    Scanner scanner = new Scanner(in).useDelimiter("\\A");
    return scanner.hasNext() ? scanner.next() : "";
}

From source file:Matrix_Operations.java

public static int getRowsNumberFromUser() {
    Scanner keyboard = new Scanner(System.in);
    //Allow user to enter number of rows
    int rows;//w  ww  .  ja  va2 s  .c  o m
    System.out.print("Enter rows: ");

    rows = keyboard.nextInt();
    return rows;

}

From source file:de.document.service.UmlsService.java

public List<Umls> readAll() {
    List<Umls> umlsList = new ArrayList<>();

    try (Scanner s = new Scanner(
            (Thread.currentThread().getContextClassLoader().getResourceAsStream("Umls" + umlsterm)))) {
        while (s.hasNextLine()) {
            umlsList.add(new Umls(s.nextLine()));
        }/*www  . ja  v a2 s.c o  m*/
    }

    /* 
      Umls ob= new Umls();
      Umls ob1= new Umls(); 
      ob.setName("name");
      ob1.setName("name1");
      System.out.print(ob);
      }*/
    return umlsList;
}

From source file:org.spring.data.gemfire.app.main.AbstractApp.java

protected static void block() {
    System.out.printf("Press enter to exit...%n");
    new Scanner(System.in).next();
}

From source file:formatMessage.VerifyInputScanner.java

public static int verifyInt() {

    while (true) {
        Scanner input = new Scanner(System.in);
        try {// w ww  . j a v  a2s  . c o m
            int verified = input.nextInt();

            return verified;

        } catch (InputMismatchException e) {
            System.out.println("Geen geldig nummer. Probeer opnieuw.");

        }
    }
}

From source file:Main.java

/**
 * @return A map of all storage locations available
 *//*  ww w  . ja  v  a  2 s.  c  om*/
public static Map<String, File> getAllStorageLocations() {
    Map<String, File> map = new HashMap<String, File>(10);

    List<String> mMounts = new ArrayList<String>(10);
    List<String> mVold = new ArrayList<String>(10);
    mMounts.add("/mnt/sdcard");
    mVold.add("/mnt/sdcard");

    try {
        File mountFile = new File("/proc/mounts");
        if (mountFile.exists()) {
            Scanner scanner = new Scanner(mountFile);
            while (scanner.hasNext()) {
                String line = scanner.nextLine();
                if (line.startsWith("/dev/block/vold/")) {
                    String[] lineElements = line.split(" ");
                    String element = lineElements[1];

                    // don't add the default mount path
                    // it's already in the list.
                    if (!element.equals("/mnt/sdcard"))
                        mMounts.add(element);
                }
            }
        }
    } catch (Exception e) {
        e.printStackTrace();
    }

    try {
        File voldFile = new File("/system/etc/vold.fstab");
        if (voldFile.exists()) {
            Scanner scanner = new Scanner(voldFile);
            while (scanner.hasNext()) {
                String line = scanner.nextLine();
                if (line.startsWith("dev_mount")) {
                    String[] lineElements = line.split(" ");
                    String element = lineElements[2];

                    if (element.contains(":"))
                        element = element.substring(0, element.indexOf(":"));
                    if (!element.equals("/mnt/sdcard"))
                        mVold.add(element);
                }
            }
        }
    } catch (Exception e) {
        e.printStackTrace();
    }

    for (int i = 0; i < mMounts.size(); i++) {
        String mount = mMounts.get(i);
        if (!mVold.contains(mount))
            mMounts.remove(i--);
    }
    mVold.clear();

    List<String> mountHash = new ArrayList<String>(10);

    for (String mount : mMounts) {
        File root = new File(mount);
        if (root.exists() && root.isDirectory() && root.canWrite()) {
            File[] list = root.listFiles();
            String hash = "[";
            if (list != null) {
                for (File f : list) {
                    hash += f.getName().hashCode() + ":" + f.length() + ", ";
                }
            }
            hash += "]";
            if (!mountHash.contains(hash)) {
                String key = SD_CARD + "_" + map.size();
                if (map.size() == 0) {
                    key = SD_CARD;
                } else if (map.size() == 1) {
                    key = EXTERNAL_SD_CARD;
                }
                mountHash.add(hash);
                map.put(key, root);
            }
        }
    }

    mMounts.clear();

    if (map.isEmpty()) {
        map.put(SD_CARD, Environment.getExternalStorageDirectory());
    }
    return map;
}

From source file:testFileHandler.java

public void readFile(String path, javax.swing.JTextArea textField) {

    Scanner sc = new Scanner(System.in);
    BufferedReader br = null; //used BufferedReader to set Data to the textField line by line that passed as a parameter.
    String line;// ww w  .j av  a2s  . co m

    try {
        br = new BufferedReader(new FileReader(path)); //FileReader read the content of the file from that given path,and return value pass to the BufferedReader.
        while ((line = br.readLine()) != null) { // reading line by line untill end of the lines
            textField.append(line + '\n'); //append that line get at a time and move the cursor to the next line
        }

    } catch (Exception e) {
        System.out.println(e);
    }
}

From source file:IO.java

public static double[] readDoubleVec(File file) {
    double[] data;
    try {//w  ww . j  a v a2s. c o  m
        int nData = countLines(file.getAbsolutePath());
        data = new double[nData];

        Scanner sc = new Scanner(file);
        sc.useDelimiter(",|\\n");
        for (int i = 0; i < nData; i++) {
            data[i] = sc.nextDouble();
        }
        return data;
    } catch (IOException e) {
        e.printStackTrace();
        data = new double[0];
        return data;
    }
}

From source file:edu.usf.cutr.obascs.utils.CommandLineUtil.java

public static String getSpreadSheetId(CommandLine cmd) {

    String spreadSheetId;//w w  w  .  j a  v  a2s  .c o m
    if (cmd.hasOption(GeneralConstants.CL_OPTION_SPREADSHEET_ID)) {
        spreadSheetId = cmd.getOptionValue(GeneralConstants.CL_OPTION_SPREADSHEET_ID);
    } else {
        Scanner scanner = new Scanner(System.in);
        Logger.getInstance().log("Enter SpreadSheet id:");
        spreadSheetId = scanner.nextLine();
        scanner.close();
    }
    return spreadSheetId;
}

From source file:jmap2gml.ItemImage.java

private static HashMap<String, Image> readConfig() {
    HashMap<String, Image> out = new HashMap<>();
    JSONTEXT = "";
    Image img;/*from   w  w w .j a  va 2  s.  c om*/

    Scanner scan;
    try {
        scan = new Scanner(new File("ImageItemConfig"));

        while (scan.hasNext()) {
            JSONTEXT += scan.nextLine();
        }

        config = new JSONObject(JSONTEXT);

        for (String str : config.keySet()) {
            if (!str.contains("XOFFSET") && !str.contains("YOFFSET")) {
                img = (new ImageIcon(config.getString(str))).getImage();
                out.put(str, img);
            }
        }
    } catch (Exception ex) {
        Logger.getLogger(ItemImage.class.getName()).log(Level.SEVERE, null, ex);
    }

    return out;
}