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:de.tudarmstadt.ukp.csniper.webapp.project.ProjectRepository.java

/**
 * Gets the maximum column length.<br>
 * Why is this method located here? For convenience reasons - we already have access to
 * projectRepository on the relevant pages (EvaluationPage, AnnotationTypePage).
 * //from   w w w  .  j  a  va2  s .  c om
 * @param aColumn
 *            the column for which the maximum length shall be returned
 * @return the maximum length of the specified column in the specified table
 */
@Transactional
public int getDbColumnLength(String aEntityName, String aColumn) {
    BigInteger length = new BigInteger("255");

    final List<String> query = new ArrayList<String>();
    query.add("SELECT CHARACTER_MAXIMUM_LENGTH");
    query.add("FROM INFORMATION_SCHEMA.COLUMNS");

    Session session = entityManager.unwrap(Session.class);
    session.doWork(new Work() {
        @Override
        public void execute(Connection aConnection) throws SQLException {
            query.add("WHERE table_schema = '" + aConnection.getCatalog() + "'");
        }
    });

    query.add("AND table_name = '" + aEntityName + "'");
    query.add("AND column_name = '" + aColumn + "'");

    try {
        length = (BigInteger) entityManager.createNativeQuery(StringUtils.join(query, " ")).getSingleResult();
    } catch (NoResultException e) {
        // log.debug("No results for query: " + StringUtils.join(query, " "));
    }

    if (length.compareTo(BigInteger.valueOf(Integer.MAX_VALUE)) > 0) {
        return Integer.MAX_VALUE;
    } else {
        return length.intValue();
    }
}

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From source file:edu.unc.lib.dl.fedora.AccessClient.java

public List<PID> findAllObjectPIDs() throws FedoraException, ServiceException {
    List<PID> result = new ArrayList<PID>();
    FindObjects fo = new FindObjects();
    fo.setMaxResults(BigInteger.valueOf(100000));
    FieldSearchQuery query = new FieldSearchQuery();
    fo.setQuery(query);//w  w w . j a va2 s . c om
    ArrayOfString fields = new ArrayOfString();
    fields.getItem().add("pid");
    fo.setResultFields(fields);
    FindObjectsResponse response = (FindObjectsResponse) this.callService(fo, Action.findObjects);
    for (ObjectFields o : response.getResult().getResultList().getObjectFields()) {
        String s = o.getPid().getValue();
        result.add(new PID(s));
    }
    return result;
}

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From source file:com.workday.autoparse.json.demo.InstanceUpdaterTest.java

@Test
public void testSpecialObjects() {
    TestObject testObject = new TestObject();
    testObject.myString = "antman";
    testObject.myBigDecimal = BigDecimal.valueOf(1.1);
    testObject.myBigInteger = BigInteger.valueOf(1);

    Map<String, Object> updates = new HashMap<>();
    updates.put("myString", "batman");
    updates.put("myBigDecimal", BigDecimal.valueOf(2.2));
    updates.put("myBigInteger", BigInteger.valueOf(2));

    TestObject$$JsonObjectParser.INSTANCE.updateInstanceFromMap(testObject, updates, CONTEXT);

    assertEquals("myString", "batman", testObject.myString);
    assertEquals("myBigDecimal", BigDecimal.valueOf(2.2), testObject.myBigDecimal);
    assertEquals("myBigInteger", BigInteger.valueOf(2), testObject.myBigInteger);
}

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From source file:com.peterphi.std.crypto.keygen.CaHelper.java

/**
 * @param certificatePublicKey//from w  w w .java 2s.c  o  m
 * @param caPrivateKey
 * @param issuer
 * @param subject
 *
 * @return
 */
public static X509Certificate generateClientCertificate(PublicKey certificatePublicKey, PrivateKey caPrivateKey,
        X509Name issuer, X509Name subject) throws Exception {

    X509Certificate cert = null;

    X509V3CertificateGenerator gen = new X509V3CertificateGenerator();
    gen.setIssuerDN(issuer);
    setNotBeforeNotAfter(gen, 10); // validity from 48 hours in the past until 10 years in the future
    gen.setSubjectDN(subject);
    gen.setPublicKey(certificatePublicKey);
    gen.setSignatureAlgorithm(getSignatureAlgorithm());
    gen.setSerialNumber(BigInteger.valueOf(System.currentTimeMillis()));
    gen = addClientExtensions(gen);

    cert = gen.generate(caPrivateKey, "BC");
    return cert;
}

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From source file:org.o3project.optsdn.don.NetworkInformation.java

/**
 * Get informations from IDEx file(idex.txt).
 * - DP ID//from  www.j a  v  a2 s . c o m
 * - OF Port
 * 
 * @param filepath The IDEx file path
 * @throws Exception File Read Failed
 */
private void parseIdExFile(String filepath) throws Exception {
    String idexJson = readIdexAsJson(filepath);

    ObjectMapper mapper = new ObjectMapper();
    @SuppressWarnings("unchecked")
    Map<String, Map<String, String>> value = mapper.readValue(idexJson, Map.class);

    Set<Entry<String, Map<String, String>>> entrySet = value.entrySet();
    dpidMap = new HashMap<String, Long>();
    Map<String, Integer> ofPortMap = new HashMap<String, Integer>();
    for (Entry<String, Map<String, String>> entry : entrySet) {
        Map<String, String> params = entry.getValue();
        BigInteger bigintDpid = new BigInteger(params.get(DPID));
        if (bigintDpid.compareTo(BigInteger.valueOf(0)) < 0
                || bigintDpid.compareTo(BigInteger.valueOf(Long.MAX_VALUE)) > 0) {
            throw new Exception("DP ID is out of boundary. (DP ID valid between 0 and 2^63-1)");
        }
        long dpid = bigintDpid.longValue();

        String informationModelId = entry.getKey();
        Port port = new Port(informationModelId);
        String neId = port.getNeId();

        Long existDpid = dpidMap.get(neId);
        if (existDpid == null) {
            dpidMap.put(neId, dpid);
        } else if (!existDpid.equals(dpid)) {
            logger.warn("Fail to add DP ID[" + dpid + "]. " + "The DP ID of NE[" + neId + "] is already set"
                    + "(exist DP ID[" + existDpid + "]).");
        }

        int ofPortId = Integer.valueOf(params.get(PORT));
        Integer existOfPortId = ofPortMap.get(informationModelId);
        if (existOfPortId != null) {
            if (!existOfPortId.equals(ofPortId)) {
                logger.warn("Fail to add OpenFlow Port ID[" + ofPortId + "]. " + "The OpenFlow Port ID of Port["
                        + informationModelId + "] is already set" + "(exist OpenFlow Port ID[" + existOfPortId
                        + "]).");
            }
        } else {
            if (ofPortId < 0 && ofPortId > Integer.MAX_VALUE) {
                throw new Exception("OpenFlow Port ID is out of boundary. "
                        + "(OpenFlow Port ID valid between 0 and 2^31-1)");
            }

            ofPortMap.put(informationModelId, ofPortId);
        }
    }

    for (Port port : portSet) {
        Integer openFlowPortId = ofPortMap.get(port.getInformationModelId());
        if (openFlowPortId == null) {
            continue;
        }
        port.setOpenFlowPortId(openFlowPortId);
    }

    for (List<List<Port>> linkList : omsConnectionInfoListMap.values()) {
        for (List<Port> link : linkList) {
            Port port1 = link.get(0);
            Integer openFlowPortId1 = ofPortMap.get(port1.getInformationModelId());
            if (openFlowPortId1 != null) {
                port1.setOpenFlowPortId(openFlowPortId1);
            }

            Port port2 = link.get(1);
            Integer openFlowPortId2 = ofPortMap.get(port2.getInformationModelId());
            if (openFlowPortId2 != null) {
                port2.setOpenFlowPortId(openFlowPortId2);
            }
        }
    }
}

---

From source file:gedi.util.math.stat.distributions.OccupancyNumberDistribution.java

private static BigInteger binomialCoefficientLargeInteger(final int n, final int k) {
    if ((n == k) || (k == 0)) {
        return BigInteger.valueOf(1);
    }//w ww  .  j  a v a  2s . c  o m
    if ((k == 1) || (k == n - 1)) {
        return BigInteger.valueOf(n);
    }
    if (k > n / 2) {
        return binomialCoefficientLargeInteger(n, n - k);
    }

    BigInteger result = BigInteger.valueOf(1);
    int i = n - k + 1;
    for (int j = 1; j <= k; j++) {
        final int d = gcd(i, j);
        result = result.divide(BigInteger.valueOf(j / d)).multiply(BigInteger.valueOf(i / d));
        i++;
    }
    return result;
}

---

From source file:mil.jpeojtrs.sca.util.AnyUtils.java

/**
 * Attempts to convert the string value to the appropriate Java type.
 * //from   w w  w  .  j ava  2  s . c  o  m
 * @param stringValue the string form of the value
 * @param type the string form of the TypeCode
 * @return A Java object of theString corresponding to the typecode
 */
private static Object primitiveConvertString(final String stringValue, final String type) {
    if (stringValue == null) {
        return null;
    }
    if ("string".equals(type)) {
        return stringValue;
    } else if ("wstring".equals(type)) {
        return stringValue;
    } else if ("boolean".equals(type)) {
        if ("true".equalsIgnoreCase(stringValue) || "false".equalsIgnoreCase(stringValue)) {
            return Boolean.parseBoolean(stringValue);
        }
        throw new IllegalArgumentException(stringValue + " is not a valid boolean value");
    } else if ("char".equals(type)) {
        switch (stringValue.length()) {
        case 1:
            return stringValue.charAt(0);
        case 0:
            return null;
        default:
            throw new IllegalArgumentException(stringValue + " is not a valid char value");
        }
    } else if ("wchar".equals(type)) {
        return stringValue.charAt(0);
    } else if ("double".equals(type)) {
        return Double.parseDouble(stringValue);
    } else if ("float".equals(type)) {
        return Float.parseFloat(stringValue);
    } else if ("short".equals(type)) {
        return Short.decode(stringValue);
    } else if ("long".equals(type)) {
        return Integer.decode(stringValue);
    } else if ("longlong".equals(type)) {
        return Long.decode(stringValue);
    } else if ("ulong".equals(type)) {
        final long MAX_UINT = 2L * Integer.MAX_VALUE + 1L;
        final Long retVal = Long.decode(stringValue);
        if (retVal < 0 || retVal > MAX_UINT) {
            throw new IllegalArgumentException(
                    "ulong value must be greater than '0' and less than " + MAX_UINT);
        }
        return retVal;
    } else if ("ushort".equals(type)) {
        final int MAX_USHORT = 2 * Short.MAX_VALUE + 1;
        final Integer retVal = Integer.decode(stringValue);
        if (retVal < 0 || retVal > MAX_USHORT) {
            throw new IllegalArgumentException(
                    "ushort value must be greater than '0' and less than " + MAX_USHORT);
        }
        return retVal;
    } else if ("ulonglong".equals(type)) {
        final BigInteger MAX_ULONG_LONG = BigInteger.valueOf(Long.MAX_VALUE).multiply(BigInteger.valueOf(2))
                .add(BigInteger.ONE);
        final BigInteger retVal = AnyUtils.bigIntegerDecode(stringValue);
        if (retVal.compareTo(BigInteger.ZERO) < 0 || retVal.compareTo(MAX_ULONG_LONG) > 0) {
            throw new IllegalArgumentException(
                    "ulonglong value must be greater than '0' and less than " + MAX_ULONG_LONG.toString());
        }
        return retVal;
    } else if ("objref".equals(type)) {
        if ("".equals(stringValue)) {
            return null;
        }
        final List<String> objrefPrefix = Arrays.asList("IOR:", "corbaname:", "corbaloc:");
        for (final String prefix : objrefPrefix) {
            if (stringValue.startsWith(prefix)) {
                return stringValue;
            }
        }
        throw new IllegalArgumentException(stringValue + " is not a valid objref value");
    } else if ("octet".equals(type)) {
        final short MIN_OCTET = 0;
        final short MAX_OCTET = 0xFF;
        final short val = Short.decode(stringValue);
        if (val <= MAX_OCTET && val >= MIN_OCTET) {
            return Short.valueOf(val);
        }
        throw new IllegalArgumentException(stringValue + " is not a valid octet value");
    } else {
        throw new IllegalArgumentException("Unknown CORBA Type: " + type);
    }
}

---

From source file:edu.brown.utils.MathUtil.java

/**
 * Calculate n! Derived from http://chaosinmotion.com/blog/?p=622
 * /* w  w w .  j a va2  s  . c  o m*/
 * @param n
 * @return
 */
public static final BigInteger factorial(int n) {
    BigInteger ret;

    if (n == 0)
        return BigInteger.ONE;
    if (null != (ret = CACHE_FACTORIAL.get(n)))
        return ret;
    ret = BigInteger.valueOf(n).multiply(factorial(n - 1));
    CACHE_FACTORIAL.put(n, ret);
    return ret;
}

---

From source file:ac.elements.parser.SimpleDBConverter.java

/**
 * Encodes real long value into a string by offsetting and zero-padding
 * number up to the specified number of digits. Use this encoding method if
 * the data range set includes both positive and negative values.
 * /*  w  ww.j  a  va  2s  .c  om*/
 * com.xerox.amazonws.sdb.DataUtils
 * 
 * @param number
 *            short to be encoded
 * @return string representation of the short
 */
private static String encodeShort(short number) {
    int maxNumDigits = BigInteger.valueOf(Short.MAX_VALUE).subtract(BigInteger.valueOf(Short.MIN_VALUE))
            .toString(RADIX).length();
    long offsetValue = Short.MIN_VALUE;

    BigInteger offsetNumber = BigInteger.valueOf(number).subtract(BigInteger.valueOf(offsetValue));
    String longString = offsetNumber.toString(RADIX);
    int numZeroes = maxNumDigits - longString.length();
    StringBuffer strBuffer = new StringBuffer(numZeroes + longString.length());
    for (int i = 0; i < numZeroes; i++) {
        strBuffer.insert(i, '0');
    }
    strBuffer.append(longString);
    return strBuffer.toString();
}

---

From source file:com.aqnote.shared.encrypt.cert.gen.BCCertGenerator.java

public X509Certificate createClass3RootCert(KeyPair keyPair, PrivateKey ppk, X509Certificate caCert)
        throws Exception {

    X500Name idn = CertificateUtil.getSubject(caCert);
    BigInteger sno = BigInteger.valueOf(5);
    Date nb = new Date(System.currentTimeMillis() - HALF_DAY);
    Date na = new Date(nb.getTime() + TWENTY_YEAR);
    X500Name sdn = X500NameUtil.createClass3RootPrincipal();
    PublicKey pubKey = keyPair.getPublic();

    X509v3CertificateBuilder certBuilder = new JcaX509v3CertificateBuilder(idn, sno, nb, na, sdn, pubKey);

    addSubjectKID(certBuilder, pubKey);/*from   w  w  w  .  j  a  v  a 2s  . c  o m*/
    addAuthorityKID(certBuilder, caCert.getPublicKey());
    certBuilder.addExtension(Extension.basicConstraints, true, new BasicConstraints(Boolean.TRUE));

    X509Certificate certificate = signCert(certBuilder, ppk);
    certificate.checkValidity(new Date());
    certificate.verify(caCert.getPublicKey());

    setPKCS9Info(certificate);

    return certificate;
}

---

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