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:gash.router.app.DemoApp.java

/**
 * sample application (client) use of our messaging service
 *
 * @param args//  www .  ja  v  a  2 s.c  o m
 */
public static void main(String[] args) {
    if (args.length == 0) {
        System.out.println("usage:  <ip address> <port no>");
        System.exit(1);
    }
    String ipAddress = args[0];
    int port = Integer.parseInt(args[1]);
    Scanner s = new Scanner(System.in);
    boolean isExit = false;
    try {
        MessageClient mc = new MessageClient(ipAddress, port);
        DemoApp da = new DemoApp(mc);
        int choice = 0;

        while (true) {
            System.out.println(
                    "Enter your option \n1. WRITE a file. \n2. READ a file. \n3. Update a File. \n4. Delete a File\n 5 Ping(Global)\n 6 Exit");
            choice = s.nextInt();
            switch (choice) {
            case 1: {
                System.out.println("Enter the full pathname of the file to be written ");
                String currFileName = s.next();
                File file = new File(currFileName);
                if (file.exists()) {
                    ArrayList<ByteString> chunkedFile = da.divideFileChunks(file);
                    String name = file.getName();
                    int i = 0;
                    String requestId = SupportMessageGenerator.generateRequestID();
                    for (ByteString string : chunkedFile) {
                        mc.saveFile(name, string, chunkedFile.size(), i++, requestId);
                    }
                } else {
                    throw new FileNotFoundException("File does not exist in this path ");
                }
            }
                break;
            case 2: {
                System.out.println("Enter the file name to be read : ");
                String currFileName = s.next();
                da.sendReadTasks(currFileName);
                //Thread.sleep(1000 * 100);
            }
                break;
            case 3: {
                System.out.println("Enter the full pathname of the file to be updated");
                String currFileName = s.next();
                File file = new File(currFileName);
                if (file.exists()) {
                    ArrayList<ByteString> chunkedFile = da.divideFileChunks(file);
                    String name = file.getName();
                    int i = 0;
                    String requestId = SupportMessageGenerator.generateRequestID();
                    for (ByteString string : chunkedFile) {
                        mc.updateFile(name, string, chunkedFile.size(), i++, requestId);
                    }
                    //Thread.sleep(10 * 1000);
                } else {
                    throw new FileNotFoundException("File does not exist in this path ");
                }
            }
                break;

            case 4:
                System.out.println("Enter the file name to be deleted : ");
                String currFileName = s.next();
                mc.deleteFile(currFileName);
                //Thread.sleep(1000 * 100);
                break;
            case 5:
                da.ping(1);
                break;
            case 6:
                isExit = true;
                break;
            default:
                break;
            }
            if (isExit)
                break;
        }
    } catch (Exception e) {
        e.printStackTrace();
    } finally {
        CommConnection.getInstance().release();
        if (s != null)
            s.close();
    }
}

---

From source file:br.com.sicoob.cro.cop.batch.core.FileReadTasklet.java

@Override
public void process() {
    try {/*  w ww. ja v a2 s  .c  o  m*/
        List<Operation> operacoes = new ArrayList();
        InputStream source = this.getClass()
                .getResourceAsStream(this.context.getParameters().get("nomeArquivo").toString());
        Scanner scan = new Scanner(source);
        while (scan.hasNext()) {
            String[] dados = scan.next().split(";");
            Operation operacao = new Operation(dados[0], new BigDecimal(dados[1]), dados[2],
                    new BigDecimal(dados[3]));
            operacoes.add(operacao);
        }

        // calcula o percentual de provisionamento
        for (Operation operacao : operacoes) {
            LOG.info(operacao.toString());
        }
        scan.close();
        source.close();
    } catch (IOException ex) {
        Logger.getLogger(FileReadTasklet.class.getName()).log(Level.SEVERE, null, ex);
    }
}

---

From source file:com.alibaba.openapi.client.util.URLEncodedUtils.java

/**
 * Returns a list of {@link NameValuePair NameValuePairs} as built from the
 * URI's query portion. For example, a URI of
 * http://example.org/path/to/file?a=1&b=2&c=3 would return a list of three
 * NameValuePairs, one for a=1, one for b=2, and one for c=3.
 * <p>//from w ww . j  a  v a2  s. c om
 * This is typically useful while parsing an HTTP PUT.
 * 
 * @param uri
 *            uri to parse
 * @param encoding
 *            encoding to use while parsing the query
 */
public static List<NameValuePair> parse(final URI uri, final String encoding) {
    List<NameValuePair> result = Collections.emptyList();
    final String query = uri.getRawQuery();
    if (query != null && query.length() > 0) {
        result = new ArrayList<NameValuePair>();
        parse(result, new Scanner(query), encoding);
    }
    return result;
}

---

From source file:com.google.maps.android.utils.demo.MyItemReader.java

public List<MyItem> read(InputStream inputStream) throws JSONException {
    List<MyItem> items = new ArrayList<MyItem>();
    String json = new Scanner(inputStream).useDelimiter(REGEX_INPUT_BOUNDARY_BEGINNING).next();
    JSONArray array = new JSONArray(json);
    for (int i = 0; i < array.length(); i++) {
        JSONObject object = array.getJSONObject(i);
        double lat = object.getDouble("lat");
        double lng = object.getDouble("lng");
        items.add(new MyItem(lat, lng));
    }//  w  ww.j a  va2  s . c  o m
    return items;
}

---

From source file:com.taveloper.http.test.PwTest.java

private static String convertStreamToString(InputStream is) {
    return new Scanner(is).useDelimiter("\\A").next();
}

---

From source file:ir.ac.ut.snl.mrcd.InputConverter.java

public void convert(String filename) throws FileNotFoundException, UnsupportedEncodingException {
    int paddingSize = 49; //  50-1; 1 baraye '\n'

    File file = new File(filename);
    FileReader fileReader = new FileReader(file);
    BufferedReader bufferedReader = new BufferedReader(fileReader);
    Scanner scanner = new Scanner(bufferedReader);

    PrintWriter printWriter = new PrintWriter(filename + "-converted", "UTF-8");

    int n = scanner.nextInt();
    scanner.nextLine();//from ww w . java2 s.  co  m

    printWriter.write(StringUtils.leftPad(String.valueOf(n), paddingSize));
    printWriter.write('\n');

    while (scanner.hasNextLine()) {
        String line = scanner.nextLine();
        printWriter.write(StringUtils.leftPad(line, paddingSize));
        printWriter.write('\n');
    }

    scanner.close();
    printWriter.close();
}

---

From source file:com.asuraiv.coordination.menu.MainMenu.java

@Override
public void displayMenu() {

    boolean isContinue = true;

    while (isContinue) {

        System.out.println();/*from  ww w . j a  va 2  s  . c  o  m*/
        System.out.println();
        System.out.println("### Main MENU ###");
        System.out.println("1.  ?");
        System.out.println("2.  ");
        System.out.println("3.  ");
        System.out.println("99.  ");
        System.out.println();
        System.out.print(" ? >  ");

        @SuppressWarnings("resource")
        Scanner scanner = new Scanner(System.in);

        switch (scanner.next()) {
        case "1":
            nextMenu = new RegistTaskMenu();
            isContinue = false;
            break;
        case "2":
            doTaskListUp();
            isContinue = true;
            break;
        case "3":
            doDeleteTasks();
            isContinue = true;
            break;
        case "99":
            //  
            isContinue = false;
            break;
        default:
            System.out.println("[WRONG!] .");
            isContinue = true;
            break;
        }
    }

    nextMenu.displayMenu();
}

---

From source file:com.chargebee.CSV.PhoneBook.PhoneBook2.PhoneBook.java

private void display(HashMap<String, ArrayList> map) {
    Scanner sc = new Scanner(System.in);

    System.out.println("Search by : name/number?");
    String choice = sc.nextLine();
    System.out.println("Enter the " + choice + " : ");
    String param = sc.nextLine();

    if (choice.toLowerCase().equalsIgnoreCase("name")) {
        for (String key : map.keySet()) {
            if (key.toLowerCase().contains(param)) {
                ArrayList<Person> tempo = new ArrayList();
                tempo = map.get(key);/*from  w  ww  . j  ava 2  s  .  c om*/
                for (Person p : tempo) {
                    p.print();
                }
            }
        }
    } else if (choice.toLowerCase().equalsIgnoreCase("number")) {
        for (Map.Entry<String, ArrayList> entry : map.entrySet()) {
            ArrayList<Person> tempo = new ArrayList();
            tempo = entry.getValue();
            for (Person p : tempo) {
                if (p.getPhone().getHomeNumber().equalsIgnoreCase(param)
                        || p.getPhone().getMobileNumber().equalsIgnoreCase(param)
                        || p.getPhone().getWorkNumber().equalsIgnoreCase(param)) {
                    p.print();
                    break;
                }
                System.out.println("Phone Number not found!!");
            }
        }
    } else {
        System.out.println("Invalid Choice!!");
    }
}

---

From source file:pl.lewica.util.FileUtil.java

/**
 * Reads contents of a stream (e.g. SQL script) and splits it into separate statements.
 * IMPORTANT: The assumption is the statements are delimited by semicolons followed by new lines.
 * /*  w  w w .ja v  a2s.c o  m*/
 * If you are using this method to convert a string with multiple SQL queries to individual statements,
 * make sure the semicolon-new line sequence doesn't exist anywhere inside the SQL statements, perhaps
 * somewhere in the middle of long varchars or text fields as they would be treated as SQL statement
 * delimiters and you would therefore get unexpected results. 
 * 
 * The method might be useful on Android that is unable to e.g. create multiple tables in one go.
 */
public static List<String> convertStreamToStrings(InputStream is, String delimiter) {
    List<String> result = new ArrayList<String>();
    Scanner s = new Scanner(is);
    s.useDelimiter(delimiter);

    while (s.hasNext()) {
        String line = s.next().trim();
        if (line.length() > 0) {
            result.add(line);
        }
    }
    s.close();

    return result;
}

---

From source file:org.mobicents.servlet.restcomm.util.HttpUtils.java

public static Map<String, String> toMap(final HttpEntity entity) throws IllegalStateException, IOException {

    String contentType = null;/*from  ww w.  j ava  2 s. c  om*/
    String charset = null;

    contentType = EntityUtils.getContentMimeType(entity);
    charset = EntityUtils.getContentCharSet(entity);

    List<NameValuePair> parameters = null;
    if (contentType != null && contentType.equalsIgnoreCase(CONTENT_TYPE)) {
        parameters = URLEncodedUtils.parse(entity);
    } else {
        final String content = EntityUtils.toString(entity, HTTP.ASCII);
        if (content != null && content.length() > 0) {
            parameters = new ArrayList<NameValuePair>();
            URLEncodedUtils.parse(parameters, new Scanner(content), charset);
        }
    }

    final Map<String, String> map = new HashMap<String, String>();
    for (final NameValuePair parameter : parameters) {
        map.put(parameter.getName(), parameter.getValue());
    }
    return map;
}

---

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