Example usage for java.math BigInteger BigInteger

Introduction

In this page you can find the example usage for java.math BigInteger BigInteger.

Prototype

private BigInteger(byte[] magnitude, int signum)

Source Link

Document

This private constructor is for internal use and assumes that its arguments are correct.

Usage

From source file:org.sample.TimeController.java

@RequestMapping(method = RequestMethod.GET, value = { "/tick" })
public ModelAndView get() throws Exception {
    Connection connection = jmsFactory.createConnection();
    Session jmsSession = connection.createSession(false, Session.AUTO_ACKNOWLEDGE);
    SecureRandom srandom = new SecureRandom();
    String rand = new BigInteger(176, srandom).toString(32);
    String q = Long.toString(System.currentTimeMillis()) + "-" + rand;
    Destination destination = jmsSession.createQueue(q);

    Timer timer = new Timer();
    long delay = 1 * 1000;
    timer.schedule(new TickTask(jmsSession, destination), 0, delay);

    ModelAndView mav = new ModelAndView("client");
    mav.addObject("queue", destination.toString());
    return mav;/*  w w  w .  j av  a 2 s . c  o  m*/
}

From source file:de.uniwue.info6.misc.StringTools.java

/**
 *
 *
 * @return/*ww w .  j  a va2  s.  com*/
 */
public static String generatePassword(int numBits, int length) {
    return new BigInteger(numBits, random).toString(length);
}

From source file:org.berlin_vegan.bvapp.acra.ACRAPostSender.java

private static String md5(String s) {
    MessageDigest m = null;//from  w ww.  ja v a  2  s  .  co m
    try {
        m = MessageDigest.getInstance("MD5");
    } catch (NoSuchAlgorithmException e) {
        e.printStackTrace();
    }
    m.update(s.getBytes(), 0, s.length());
    return new BigInteger(1, m.digest()).toString(16);
}

From source file:com.whynot.checkOtrade.web.ws.LoginController.java

/**
 *     ?, ?  /*from w  w  w . j  a  v  a 2s .c  o  m*/
 * ?? ?? - ? 
 *  ?     -,
 *  ?  .
 * @param data
 * @return
 */
@RequestMapping(value = "rest/login", method = RequestMethod.POST)
public @ResponseBody String login(LoginData data) {
    String response = "null";
    System.out.println(data.getLogin() + " :: " + data.getPassword());
    Account acc = us.findByEmail(data.getLogin());
    System.out.println("acc :: " + acc);
    if (acc == null) {
        return response;
    }
    System.out.println("acc :: " + acc);
    if (acc.getPassword().equals(data.getPassword())) {
        SecureRandom random = new SecureRandom();
        response = new BigInteger(130, random).toString(32);
    }
    usermap.put(response, acc);
    return response;
}

From source file:eu.mondo.driver.mongo.util.MStatementDeserializer.java

@Override
public MStatement deserialize(JsonParser jp, DeserializationContext ctxt)
        throws IOException, JsonProcessingException {

    String objectString = null;// ww  w. j ava 2s .c  o m
    String predicateString = null;
    String subjectString = null;

    BigInteger subjectBI;
    BigInteger predicateBI;
    BigInteger objectBI;

    ObjectMapper mapper = new ObjectMapper();
    JsonNode root = mapper.readTree(jp);

    subjectString = root.path("subject").textValue();
    predicateString = root.path("predicate").textValue();
    objectString = root.path("object").textValue();

    String subjectBIS = root.path("subjectBI").textValue();
    String predicateBIS = root.path("predicateBI").textValue();
    String objectBIS = root.path("objectBI").textValue();
    subjectBI = "".equals(subjectBIS) || subjectBIS == null ? new BigInteger("0", 10)
            : new BigInteger(subjectBIS, 16);
    predicateBI = "".equals(predicateBIS) || predicateBIS == null ? new BigInteger("0", 10)
            : new BigInteger(predicateBIS, 16);
    objectBI = "".equals(objectBIS) || objectBIS == null ? new BigInteger("0", 10)
            : new BigInteger(objectBIS, 16);

    //        URI subject = new URIImpl(subjectString);
    //        URI predicate = new URIImpl(predicateString);
    //
    //        Value object;
    //        try {
    //            object = new URIImpl(objectString);
    //        } catch (Exception e) {
    //            object = ValueFactoryImpl.getInstance().createLiteral(objectString);
    //        }

    jp.close();

    MStatement statement = new MStatement();
    statement.setSubject(subjectString);
    statement.setPredicate(predicateString);
    statement.setObject(objectString);
    statement.setSubjectBI(subjectBI);
    statement.setPredicateBI(predicateBI);
    statement.setObjectBI(objectBI);

    return statement;
}

From source file:datafu.pig.hash.MD5.java

public String call(String val) {
    if (isBase64) {
        return new String(Base64.encodeBase64(md5er.digest(val.getBytes())));
    } else {/*from w w  w .  j av  a2s . c  o  m*/
        return String.format("%032x", new BigInteger(1, md5er.digest(val.getBytes())));
    }
}

From source file:com.networknt.light.util.HashUtil.java

public static String md5(String input) {

    String md5 = null;//  w w w . j  av  a 2s  .  com

    if (null == input)
        return null;

    try {

        //Create MessageDigest object for MD5
        MessageDigest digest = MessageDigest.getInstance("MD5");

        //Update input string in message digest
        digest.update(input.getBytes(), 0, input.length());

        //Converts message digest value in base 16 (hex)
        md5 = new BigInteger(1, digest.digest()).toString(16);

    } catch (NoSuchAlgorithmException e) {
        e.printStackTrace();
    }
    return md5;
}

From source file:controllers.impl.StandardAuthentication.java

@Override
public F.Promise<Result> auth(final String redirectUrl) {
    final Configuration config = Configuration.root();
    final String baseURL = config.getString("auth.ghe.baseURL");
    final String clientId = config.getString("auth.ghe.clientId");

    final String state = new BigInteger(160, RANDOM).toString(32);
    // TODO(barp): This should go in the database or memcached
    URL_CACHE.put(state, redirectUrl);

    final URI uri;
    try {/*w w w . j a  v  a2  s .co  m*/
        uri = apiUriBuilder(baseURL, "/login/oauth/authorize").addParameter("client_id", clientId)
                .addParameter("scope", "user:email,read:org").addParameter("state", state).build();
    } catch (final URISyntaxException e) {
        LOGGER.error("Unable to build URI for GHE authentication", e);
        return F.Promise.pure(internalServerError());
    }

    LOGGER.info("Redirecting login to " + uri.toString());

    return F.Promise.pure(redirect(uri.toString()));
}

From source file:com.github.sshw.controller.TerminalController.java

public String nextKey() {
    return new BigInteger(130, random).toString(32);
}

From source file:com.amazonaws.kinesis.agg.AggRecordTest.java

@Test
public void shouldGenerateValidHashKeys() {
    final String expectedHashKeyHex = DigestUtils.md5Hex(partitionKey);
    final String expectedHashKeyDecimal = new BigInteger(expectedHashKeyHex, 16).toString(10);

    final AggRecord record = new AggRecord();
    record.addUserRecord(partitionKey, null, "dummy data".getBytes());

    Assert.assertThat(new BigInteger(expectedHashKeyDecimal).compareTo(MIN_VALID_HASHKEY) >= 0, is(true));

    Assert.assertThat(new BigInteger(expectedHashKeyDecimal).compareTo(MAX_VALID_HASHKEY) <= 0, is(true));

    Assert.assertThat(record.getExplicitHashKey(), equalTo(expectedHashKeyDecimal));
}