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, Charset charset) 

Source Link

Document

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

Usage

From source file:cz.autoclient.github.json.GitHubJson.java

public static JSONObject fromURL(URL url) {
    Scanner s;//from www .j av  a2  s . co  m
    try {
        s = new Scanner(url.openStream(), "UTF-8");
    } catch (IOException ex) {
        throw new IllegalArgumentException("JSON file not found at " + url);
    }
    s.useDelimiter("\\A");
    if (s.hasNext()) {
        String out = s.next();
        try {
            return new JSONObject(out);
        } catch (JSONException ex) {
            throw new IllegalArgumentException(
                    "Invalid JSON contents at " + url + " - \n         JSON error:" + ex);
            //Logger.getLogger(DataLoader.class.getName()).log(Level.SEVERE, null, ex);
        }
    } else
        throw new IllegalArgumentException("JSON file not found at " + url);
}

---

From source file:Main.java

private static ArrayList<String> getMatches(InputStream in, Pattern pattern) {
    ArrayList<String> matches = new ArrayList<String>();
    Scanner scanner = new Scanner(in, "UTF-8");
    String match = "";
    while (match != null) {
        match = scanner.findWithinHorizon(pattern, 0);
        if (match != null) {
            matches.add(scanner.match().group(2));
        }/*w w  w  . j  av a  2s .  com*/
    }

    return matches;
}

---

From source file:Main.java

/**
 * read one file and return its content as string
 * @param fileName//from  ww w  .  j a  v  a  2 s. com
 * @return
 * @throws FileNotFoundException
 */
public static String readFileToString(String fileName) throws FileNotFoundException {
    File file = new File(fileName);
    if (file.exists()) {
        StringBuilder stringBuilder = new StringBuilder((int) file.length());
        Scanner scanner = new Scanner(file, "UTF-8");
        String lineSeparator = System.getProperty("line.separator");

        while (scanner.hasNextLine()) {
            stringBuilder.append(scanner.nextLine() + lineSeparator);
        }

        scanner.close();
        return stringBuilder.toString();
    }

    Log.e(TAG_CLASS, "no file called: " + fileName);
    return null;
}

---

From source file:br.univali.ps.fuzzy.portugolFuzzyCorretor.control.FileController.java

public static String formatarArquivoTexto(File file) throws FileNotFoundException {
    BufferedReader reader = new BufferedReader(new FileReader(file));
    StringBuilder text = new StringBuilder();
    String NL = System.getProperty("line.separator");
    Scanner scanner = new Scanner(file, "ISO-8859-1");
    while (scanner.hasNextLine()) {
        text.append(scanner.nextLine() + NL);
    }/*w w w.j av a2s.  c o m*/
    scanner.close();
    return text.toString();
}

---

From source file:org.gkh.racf.JSONUtil.java

public static JSONObject getJSONAsResource(String path) throws JSONException {
    InputStream in = JSONParserTemplateBuilder.class.getResourceAsStream(path);

    Scanner scanner = new Scanner(in, "UTF-8");
    String json = scanner.useDelimiter("\\A").next();
    scanner.close();//from   www. j  a  va  2 s . c o m

    if (isValidJSON(json)) {
        return new JSONObject(json);
    }

    return null;
}

---

From source file:com.msopentech.thali.utilities.webviewbridge.BridgeManager.java

/**
 * A useful utility for small streams. The stream will be closed by this method.
 *
 * Taken from http://stackoverflow.com/questions/309424/read-convert-an-inputstream-to-a-string
 * @param inputStream//from  w  ww . j  a  v  a2 s . c  o  m
 * @return Stream as a string
 */
public static String turnUTF8InputStreamToString(InputStream inputStream) {
    try {
        Scanner scanner = new Scanner(inputStream, "UTF-8").useDelimiter("\\A");
        return scanner.hasNext() ? scanner.next() : "";
    } finally {
        if (inputStream != null) {
            try {
                inputStream.close();
            } catch (IOException e) {
            }
        }
    }
}

---

From source file:io.fabric8.che.starter.util.Reader.java

public String read(URL url) throws IOException {
    try (Scanner skanner = new Scanner(url.openStream(), "UTF-8")) {
        return skanner.useDelimiter("\\A").next();
    }/*  www  .j  a v  a 2 s.  c  om*/
}

---

From source file:eu.dasish.annotation.backend.dao.impl.JdbcResourceDaoTest.java

public static String getNormalisedSql() throws FileNotFoundException, URISyntaxException {
    // remove the unsupported sql for the test
    final URL sqlUrl = JdbcResourceDaoTest.class.getResource("/sql/DashishAnnotatorCreate.sql");
    String sqlString = new Scanner(new File(sqlUrl.toURI()), "UTF8").useDelimiter("\\Z").next();
    for (String unknownToken : new String[] { "SET client_encoding", "CREATE DATABASE", "\\\\connect",
            "SET default_with_oids",
            //"ALTER SEQUENCE",
            //ALTER TABLE ONLY",
            //"ADD CONSTRAINT",
            //"CREATE INDEX", 
            // "ALTER TABLE ONLY [a-z]* ALTER COLUMN",
            // "ALTER TABLE ONLY [^A]* ADD CONSTRAINT"
    }) {/*www  .j av a2s  .  c o  m*/
        sqlString = sqlString.replaceAll(unknownToken, "-- " + unknownToken);
    }

    sqlString = sqlString.replaceAll("bytea", "blob");
    sqlString = sqlString.replaceAll("SERIAL NOT NULL", "INTEGER GENERATED BY DEFAULT AS IDENTITY PRIMARY KEY");
    sqlString = sqlString.replaceAll("\\(current_timestamp AT TIME ZONE 'UTC'\\)",
            "current_timestamp AT TIME ZONE INTERVAL '00:00' HOUR TO MINUTE");
    return sqlString;
}

---

From source file:ec.edu.ucuenca.dcc.sld.HttpUtils.java

public static synchronized String Http(String s) throws SQLException, IOException {

    String resp = "";
    final URL url = new URL(s);
    final URLConnection connection = url.openConnection();
    connection.setConnectTimeout(60000);
    connection.setReadTimeout(60000);/*from   ww  w  .jav  a2 s . co m*/
    connection.addRequestProperty("User-Agent",
            "Mozilla/5.0 (X11; Ubuntu; Linux x86_64; rv:44.0) Gecko/20100101 Firefox/44.0");
    connection.addRequestProperty("Accept", "text/html,application/xhtml+xml,application/xml;q=0.9,*/*;q=0.8");
    final Scanner reader = new Scanner(connection.getInputStream(), "UTF-8");
    while (reader.hasNextLine()) {
        final String line = reader.nextLine();
        resp += line + "\n";
    }
    reader.close();

    return resp;
}

---

From source file:com.networknt.light.server.handler.loader.MenuLoader.java

private static void loadMenuFile(File file) {
    Scanner scan = null;//from   w w  w . j  a va  2  s .c  o m
    try {
        scan = new Scanner(file, Loader.encoding);
        // the content is only the data portion. convert to map
        String content = scan.useDelimiter("\\Z").next();
        HttpPost httpPost = new HttpPost("http://injector:8080/api/rs");
        StringEntity input = new StringEntity(content);
        input.setContentType("application/json");
        httpPost.setEntity(input);
        CloseableHttpResponse response = httpclient.execute(httpPost);

        try {
            System.out.println(response.getStatusLine());
            HttpEntity entity = response.getEntity();
            BufferedReader rd = new BufferedReader(new InputStreamReader(entity.getContent()));
            String json = "";
            String line = "";
            while ((line = rd.readLine()) != null) {
                json = json + line;
            }
            System.out.println("json = " + json);
            EntityUtils.consume(entity);
        } finally {
            response.close();
        }
    } catch (IOException ioe) {
        ioe.printStackTrace();
    } finally {
        if (scan != null)
            scan.close();
    }
}

---

• «
• 1
• 2
• 3
• 4
• 5
• »