Java BigInteger Calculate hexEncode(BigInteger bigInteger)

Description

Returns the BigInteger as a hex encoded string.

License

Open Source License

Declaration

public static String hexEncode(BigInteger bigInteger) 

Method Source Code

//package com.java2s;
/*/*  ww  w  .  j  a  v a2 s.c o m*/
 * Copyright (c) 2008-2011, Martijn Brinkers, Djigzo.
 * 
 * This file is part of Djigzo email encryption.
 *
 * Djigzo is free software: you can redistribute it and/or modify
 * it under the terms of the GNU Affero General Public License 
 * version 3, 19 November 2007 as published by the Free Software 
 * Foundation.
 *
 * Djigzo is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
 * GNU Affero General Public License for more details.
 *
 * You should have received a copy of the GNU Affero General Public 
 * License along with Djigzo. If not, see <http://www.gnu.org/licenses/>
 *
 * Additional permission under GNU AGPL version 3 section 7
 * 
 * If you modify this Program, or any covered work, by linking or 
 * combining it with aspectjrt.jar, aspectjweaver.jar, tyrex-1.0.3.jar, 
 * freemarker.jar, dom4j.jar, mx4j-jmx.jar, mx4j-tools.jar, 
 * spice-classman-1.0.jar, spice-loggerstore-0.5.jar, spice-salt-0.8.jar, 
 * spice-xmlpolicy-1.0.jar, saaj-api-1.3.jar, saaj-impl-1.3.jar, 
 * wsdl4j-1.6.1.jar (or modified versions of these libraries), 
 * containing parts covered by the terms of Eclipse Public License, 
 * tyrex license, freemarker license, dom4j license, mx4j license,
 * Spice Software License, Common Development and Distribution License
 * (CDDL), Common Public License (CPL) the licensors of this Program grant 
 * you additional permission to convey the resulting work.
 */

import java.math.BigInteger;

public class Main {
    /**
     * Returns the BigInteger as a hex encoded string. If the input BigInteger is null the defaultIfNull
     * value will be returned.
     */
    public static String hexEncode(BigInteger bigInteger, String defaultIfNull) {
        if (bigInteger == null) {
            return defaultIfNull;
        }

        return bigInteger.toString(16).toUpperCase();
    }

    /**
     * Returns the BigInteger as a hex encoded string. If the input BigInteger is null, null will be returned.
     */
    public static String hexEncode(BigInteger bigInteger) {
        return hexEncode(bigInteger, null);
    }
}

Related

1. getRandomInteger(BigInteger n, Random rand)
2. getSize(BigInteger number)
3. getValueWithUnit(BigInteger value, final int places)
4. getVersionString(BigInteger versionNumber)
5. greater(BigInteger i1, BigInteger i2)
6. increment(BigInteger integer)
7. int2zpBin(BigInteger num, int len)
8. integerToString(BigInteger value)
9. intValue(BigInteger bi)