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(long val) 

Source Link

Document

Constructs a BigInteger with the specified value, which may not be zero.

Usage

From source file:com.sun.identity.openid.provider.Codec.java

/**
 * TODO: Description./*from  ww w .  j  a  v a  2  s .  c o  m*/
 * 
 * @param value
 *            TODO.
 * @return TODO.
 * @throws DecodeException
 *             TODO.
 */
public static BigInteger decodeBigInteger(String value) throws DecodeException {
    byte[] bytes = decodeBytes(value);

    if (bytes == null) {
        return null;
    }

    try {
        return new BigInteger(bytes);
    }

    catch (NumberFormatException nfe) {
        throw new DecodeException("big integer could not be decoded");
    }
}

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From source file:de.jfachwert.math.Bruch.java

private static BigInteger[] toNumbers(String bruch) {
    BigInteger[] numbers = new BigInteger[2];
    String[] parts = StringUtils.split(bruch, "/");
    try {//from   w ww  .  j  ava  2 s  .  c om
        switch (parts.length) {
        case 1:
            Bruch dezimalBruch = toBruch(new BigDecimal(parts[0]));
            numbers[0] = dezimalBruch.getZaehler();
            numbers[1] = dezimalBruch.getNenner();
            break;
        case 2:
            numbers[0] = new BigInteger(parts[0]);
            numbers[1] = new BigInteger(parts[1]);
            break;
        default:
            throw new LocalizedIllegalArgumentException(bruch, "fraction");
        }
        return numbers;
    } catch (IllegalArgumentException ex) {
        throw new LocalizedIllegalArgumentException(bruch, "fraction", ex);
    }
}

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From source file:com.splicemachine.testutil.RandomDerbyDecimalBuilder.java

public static BigDecimal buildOne(int precision, int scale, boolean negative) {
    checkArgument(precision >= PRECISION_MIN && precision <= PRECISION_MAX);
    checkArgument(scale <= precision);

    BigInteger unscaledVal = new BigInteger((negative ? "-" : "") + RandomStringUtils.randomNumeric(precision));
    return new BigDecimal(unscaledVal, scale);
}

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From source file:info.savestate.saveybot.JSONFileManipulator.java

public String getSlot(String slotString, boolean largeResponse) {
    try {//from ww  w .  ja  va 2 s.  c o  m
        return getSlot(new BigInteger(slotString));
    } catch (Exception e) {
        // going to load all slots made by user.
    }
    JSONArray json = getJSON();
    if (!largeResponse) {
        int entries = 0;
        for (int i = 0; i < json.length(); i++) {
            JSONObject o = json.getJSONObject(i);
            if (o == null)
                continue;
            if (o.getString("name").toLowerCase().equals(slotString.toLowerCase()))
                entries++;
        }
        if (entries > 0)
            return slotString + " owns " + entries + " savestates!!! :D/";
        return slotString + " doesnt own any savestates );";
    }
    StringBuilder slots = new StringBuilder();
    int entries = 0;
    for (int i = 0; i < json.length(); i++) {
        JSONObject o = json.getJSONObject(i);
        if (o == null)
            continue;
        if (o.getString("name").toLowerCase().equals(slotString.toLowerCase())) {
            entries++;
            slots.append(o.getString("slot")).append(", ");
        }
    }
    if (entries > 0) {
        slots.deleteCharAt(slots.length() - 1);
        slots.deleteCharAt(slots.length() - 1);
        return "owha! " + slotString + " owns slot(s) " + slots.toString() + "!!!! :D :D :D/";
    }
    return slotString + " doesn't own any savestates!! (u should fix that !! O:)";
}

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From source file:com.jim.im.broker.handler.PublishInterceptHandler.java

@Override
public void onPublish(InterceptPublishMessage msg) {
    BigInteger messageId = new BigInteger(msg.getPayload().array());
    final ImMessage imMessage = messageRepo.findOne(messageId);
    final ActiveMQTopic mqTopicName = new ActiveMQTopic(IMConstant.MQ_FORWARD_TOPIC_NAME);
    MessageConverter messageConverter = jmsTemplate.getMessageConverter();
    jmsTemplate.send(mqTopicName, new MessageCreator() {
        @Override/*from w w w. ja  v  a  2 s . c  o  m*/
        public Message createMessage(Session session) throws JMSException {
            Message message = messageConverter.toMessage(imMessage, session);
            message.setStringProperty(IMConstant.BROKER_NAME, brokerName);
            return message;
        }
    });
}

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From source file:io.fineo.drill.exec.store.dynamo.key.LengthBasedCompoundKeyMapper.java

@Override
@JsonIgnore//from w  w  w .jav a 2  s.co m
public Map<String, Object> mapSortKey(Object value) {
    String val = (String) value;
    String p1 = val.substring(0, length);
    String p2 = val.substring(length);
    Map<String, Object> out = new HashMap<>();
    // need to make sure that you actually write a big decimal representation to match what
    // dynamo generates as values
    out.put(spec.getKeyNames().get(2), new BigDecimal(new BigInteger(p1)));
    out.put(spec.getKeyNames().get(3), new BigDecimal(new BigInteger(p2)));
    return out;
}

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From source file:com.impetus.kundera.utils.NumericUtils.java

/**
 *  Check if zero//from   www .  j av a  2s .c o m
 * @param value        value string
 * @param valueClazz   value class 
 * @return             
 */
public static final boolean checkIfZero(String value, Class valueClazz) {
    boolean returnValue = false;
    if (value != null && NumberUtils.isNumber(value) && numberTypes.get(valueClazz) != null) {
        switch (numberTypes.get(valueClazz)) {

        case INTEGER:
            returnValue = Integer.parseInt(value) == (NumberUtils.INTEGER_ZERO);
            break;

        case FLOAT:
            returnValue = Float.parseFloat(value) == (NumberUtils.FLOAT_ZERO);
            break;

        case LONG:
            returnValue = Long.parseLong(value) == (NumberUtils.LONG_ZERO);
            break;

        case BIGDECIMAL:
            returnValue = new BigDecimal(value) == (BigDecimal.ZERO);
            break;

        case BIGINTEGER:
            returnValue = new BigInteger(value) == (BigInteger.ZERO);
            break;

        case SHORT:
            returnValue = new Short(value) == (NumberUtils.SHORT_ZERO);
            break;
        }
    }

    return returnValue;
}

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From source file:com.przemo.projectmanagementweb.services.SprintService.java

public BigInteger getAvailableTime(Sprint s) {
    List<BigInteger> l = HibernateUtil
            .runSQLQuery("select sum(estimated_time) from task where sprint=" + s.getId());
    if (!l.isEmpty() && l.get(0) != null) {
        return l.get(0);
    } else {//from w  w  w .ja va 2  s.c o m
        return new BigInteger("0");
    }
}

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From source file:com.nearinfinity.honeycomb.hbase.bulkload.FieldParser.java

/**
 * Try to parse a string into a byte string based on a column type.
 *
 * @param val    String value/*w  ww  . ja v a  2  s.  c  o m*/
 * @param schema Column schema to base value parsing on.
 * @return Byte string
 * @throws ParseException The string value could not be parsed into the column type.
 */
public static ByteBuffer parse(String val, ColumnSchema schema) throws ParseException {
    checkNotNull(val, "Should not be parsing null. Something went terribly wrong.");
    checkNotNull(schema, "Column metadata is null.");

    ColumnType type = schema.getType();

    if (val.length() == 0 && type != ColumnType.STRING && type != ColumnType.BINARY) {
        if (schema.getIsNullable()) {
            return null;
        }

        throw new IllegalArgumentException(
                "Expected a value for a" + " non-null SQL column, but no value was given.");
    }

    switch (type) {
    case LONG:
        return ByteBuffer.wrap(Longs.toByteArray(Long.parseLong(val)));
    case ULONG:
        BigInteger n = new BigInteger(val);
        if (n.compareTo(BigInteger.ZERO) == -1) {
            throw new IllegalArgumentException("negative value provided for unsigned column. value: " + val);
        }
        return ByteBuffer.wrap(Longs.toByteArray(n.longValue()));
    case DOUBLE:
        return ByteBuffer.wrap(Bytes.toBytes(Double.parseDouble(val)));
    case DATE:
        return extractDate(val, "yyyy-MM-dd", "yyyy-MM-dd", "yyyy/MM/dd", "yyyy.MM.dd", "yyyyMMdd");
    case TIME:
        return extractDate(val, "HH:mm:ss", "HH:mm:ss", "HHmmss");
    case DATETIME:
        return extractDate(val, "yyyy-MM-dd HH:mm:ss", "yyyy-MM-dd HH:mm:ss", "yyyy/MM/dd HH:mm:ss",
                "yyyy.MM.dd HH:mm:ss", "yyyyMMdd HHmmss");
    case DECIMAL:
        return extractDecimal(val, schema.getPrecision(), schema.getScale());
    case STRING:
    case BINARY:
    default:
        return ByteBuffer.wrap(val.getBytes(Charset.forName("UTF-8")));
    }
}

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From source file:fr.tse.fi2.hpp.labs.queries.impl.lab5.BloomFilterQuery.java

@Override
protected void process(DebsRecord record) {
    // TODO Auto-generated method stub
    String str = record.getHack_license() + record.getDropoff_latitude() + record.getDropoff_longitude()
            + record.getPickup_latitude() + record.getPickup_longitude();

    MessageDigest md = null;// ww  w  . jav a 2  s  . c  om
    try {
        md = MessageDigest.getInstance("SHA-256");
    } catch (NoSuchAlgorithmException e1) {
        // TODO Auto-generated catch block
        e1.printStackTrace();
    }

    String[] str2hash = new String[k];
    for (int i = 0; i < 10; i++) {
        str2hash[i] = salt[i] + str;
        try {
            md.update(str2hash[i].toString().getBytes("UTF-8"));
        } catch (UnsupportedEncodingException e) {
            // TODO Auto-generated catch block
            e.printStackTrace();
        }
        byte[] res = md.digest();
        BigInteger indiceB = new BigInteger(res);
        int indice = indiceB.intValue();
        if (indice < 0)
            indice = -indice;
        indice = indice % 14378;
        if (!bloomFilter.get(indice))
            bloomFilter.set(indice);
    }

}

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