Java CRC32 Byte Array getCRC32Checksum(String pString)

Description

get CRC Checksum

License

Open Source License

Declaration

public static String getCRC32Checksum(String pString) 

Method Source Code

//package com.java2s;
/**//from ww w  .  java2 s . c o  m
 * /*
 * **************************************************************************
 * <p/>
 * This code is provided for example purposes only.  Oracle does not assume
 * any responsibility or liability for the consequences of using this code.
 * If you choose to use this code for any reason, including but not limited
 * to its use as an example you do so at your own risk and without the support
 * of Oracle.
 * <p/>
 * This code is provided under the following licenses:
 * <p/>
 * GNU General Public License (GPL-2.0)
 * COMMON DEVELOPMENT AND DISTRIBUTION LICENSE Version 1.0 (CDDL-1.0)
 * <p/>
 * <p/>
 * ****************************************************************************
 * Created with IntelliJ IDEA because its awesome.
 * User: jeffreyawest
 * Date: 5/7/13
 * Time: 2:01 PM
 */

import java.util.zip.CRC32;

public class Main {
    public static String getCRC32Checksum(String pString) {
        long decimalChecksum = 0;
        String hexChecksum = null;

        final String ZEROS = "00000000";
        final int CRC32_CHECKSUM_LENGTH = 8;
        CRC32 checksumEngine = new CRC32();

        checksumEngine.update(pString.getBytes());
        decimalChecksum = checksumEngine.getValue();
        hexChecksum = Long.toHexString(decimalChecksum).toUpperCase();
        hexChecksum = ZEROS.substring(0, CRC32_CHECKSUM_LENGTH - hexChecksum.length()) + hexChecksum;

        return hexChecksum;
    }
}

Related

1. getCRC()
2. getCrc32(byte[] buf)
3. getCRC32(String str)
4. getCrc32asInt(byte[] in)
5. getCRC32Checksum(byte[] bytes)