Example usage for java.math BigInteger valueOf

Introduction

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

Prototype

private static BigInteger valueOf(int val[])

Source Link

Document

Returns a BigInteger with the given two's complement representation.

Usage

From source file:Main.java

public static String toBase58(byte[] b) {
    if (b.length == 0) {
        return "";
    }//from w  w w . j  a v  a 2 s  .c o m

    int lz = 0;
    while (lz < b.length && b[lz] == 0) {
        ++lz;
    }

    StringBuffer s = new StringBuffer();
    BigInteger n = new BigInteger(1, b);
    while (n.compareTo(BigInteger.ZERO) > 0) {
        BigInteger[] r = n.divideAndRemainder(BigInteger.valueOf(58));
        n = r[0];
        char digit = b58[r[1].intValue()];
        s.append(digit);
    }
    while (lz > 0) {
        --lz;
        s.append("1");
    }
    return s.reverse().toString();
}

From source file:Main.java

private static void setterValue(PropertyDescriptor property, Object mapValue, Object object)
        throws InvocationTargetException, IllegalAccessException, ParseException {
    Method setter = property.getWriteMethod();
    if (mapValue == null) {
        setter.invoke(object, mapValue);
        return;/*  ww  w.  ja v  a  2 s.  c om*/
    }

    Class propertyType = property.getPropertyType();
    String type = propertyType.getName();
    String value = mapValue.toString();

    if (type.equals("java.lang.String")) {
        setter.invoke(object, value);
    } else if (type.equals("java.lang.Integer")) {
        setter.invoke(object, Integer.parseInt(value));
    } else if (type.equals("java.lang.Long")) {
        setter.invoke(object, Long.parseLong(value));
    } else if (type.equals("java.math.BigDecimal")) {
        setter.invoke(object, BigDecimal.valueOf(Double.parseDouble(value)));
    } else if (type.equals("java.math.BigInteger")) {
        setter.invoke(object, BigInteger.valueOf(Long.parseLong(value)));
    } else if (type.equals("java.util.Date")) {
        setter.invoke(object, new SimpleDateFormat("yyyy-MM-dd HH:mm:ss").parse(value));
    } else if (type.equals("java.lang.Boolean")) {
        setter.invoke(object, Boolean.valueOf(value));
    } else if (type.equals("java.lang.Float")) {
        setter.invoke(object, Float.parseFloat(value));
    } else if (type.equals("java.lang.Double")) {
        setter.invoke(object, Double.parseDouble(value));
    } else if (type.equals("java.lang.byte[]")) {
        setter.invoke(object, value.getBytes());
    } else {
        setter.invoke(object, value);
    }
}

From source file:MainClass.java

public static X509Certificate generateV1Certificate(KeyPair pair)
        throws InvalidKeyException, NoSuchProviderException, SignatureException {
    Security.addProvider(new org.bouncycastle.jce.provider.BouncyCastleProvider());
    X509V1CertificateGenerator certGen = new X509V1CertificateGenerator();

    certGen.setSerialNumber(BigInteger.valueOf(System.currentTimeMillis()));
    certGen.setIssuerDN(new X500Principal("CN=Test Certificate"));
    certGen.setNotBefore(new Date(System.currentTimeMillis() - 10000));
    certGen.setNotAfter(new Date(System.currentTimeMillis() + 10000));
    certGen.setSubjectDN(new X500Principal("CN=Test Certificate"));
    certGen.setPublicKey(pair.getPublic());
    certGen.setSignatureAlgorithm("SHA256WithRSAEncryption");

    return certGen.generateX509Certificate(pair.getPrivate(), "BC");
}

From source file:com.google.uzaygezen.core.ranges.BigIntegerRange.java

public static BigIntegerRange of(long start, long end) {
    return new BigIntegerRange(BigInteger.valueOf(start), BigInteger.valueOf(end));
}

From source file:org.namelessrom.devicecontrol.net.NetworkInfo.java

public static String getWifiIp() {
    final WifiManager wifiManager = (WifiManager) Application.get().getSystemService(Context.WIFI_SERVICE);
    int ipAddress = wifiManager.getConnectionInfo().getIpAddress();
    if (ByteOrder.nativeOrder().equals(ByteOrder.LITTLE_ENDIAN)) {
        ipAddress = Integer.reverseBytes(ipAddress);
    }/*from   w  w  w . j  ava  2s  . com*/

    final byte[] ipByteArray = BigInteger.valueOf(ipAddress).toByteArray();

    String ipAddressString;
    try {
        ipAddressString = InetAddress.getByAddress(ipByteArray).getHostAddress();
    } catch (UnknownHostException ex) {
        ipAddressString = "0.0.0.0";
    }

    return ipAddressString;
}

From source file:com.aqnote.app.wifianalyzer.wifi.model.WiFiUtils.java

public static String convertIpAddress(int ipAddress) {
    try {/*from  ww w.j  a v  a2s  . c  o  m*/
        byte[] bytes = BigInteger.valueOf(ipAddress).toByteArray();
        ArrayUtils.reverse(bytes);
        return InetAddress.getByAddress(bytes).getHostAddress();
    } catch (Exception e) {
        return StringUtils.EMPTY;
    }
}

From source file:cn.dsgrp.field.stock.repository.TaskDaoTest.java

@Test
public void findTasksByUserId() throws Exception {
    List<Task> tasks = taskDao.findByUser(new User(BigInteger.valueOf(2)));
    //      assertThat(tasks.getContent()).hasSize(5);
    //      assertThat(tasks.getContent().get(0).getId()).isEqualTo(1);
    //      tasks = taskDao.findByUser(new User(BigInteger.valueOf(99999L)), new PageRequest(0, 100, Direction.ASC, "id"));
    //      assertThat(tasks.getContent()).isEmpty();
    //      assertThat(tasks.getContent()).isEmpty();
}

From source file:Main.java

public static BigInteger getBigInteger(Object value) {
    BigInteger ret = null;//  w  w  w. j  a  va  2s  . c o  m
    if (value != null) {
        if (value instanceof BigInteger) {
            ret = (BigInteger) value;
        } else if (value instanceof String) {
            ret = new BigInteger((String) value);
        } else if (value instanceof BigDecimal) {
            ret = ((BigDecimal) value).toBigInteger();
        } else if (value instanceof Number) {
            ret = BigInteger.valueOf(((Number) value).longValue());
        } else {
            throw new ClassCastException("Not possible to coerce [" + value + "] from class " + value.getClass()
                    + " into a BigInteger.");
        }
    }
    return ret;
}

From source file:net.michaelpigg.xbeelib.protocol.XbeeAddress.java

@Deprecated
public static XbeeAddress getAddress(Long address) {
    if (address == null || address < 0 || address > 65535) {
        throw new RuntimeException(String.format("Address %l is not valid", address));
    }//from w ww  .  j a v a  2s  .co  m
    return getAddress(BigInteger.valueOf(address).toByteArray());
}

From source file:dao.ParametrDao.java

public boolean hasCats(Long paramId) throws Exception {
    String sql = "select count(*) from param_category_link where parametr_id=:paramId";
    Query query = getCurrentSession().createSQLQuery(sql);
    query.setParameter("paramId", paramId);
    BigInteger res = (BigInteger) query.uniqueResult();
    //throw new Exception("res="+res);
    return res.compareTo(BigInteger.valueOf(0)) > 0;
}