将C语言的CRC32 代码转成JAVA的CRC32 代码

public class CustomerCRC32 {
    private static long[] crc32Table = new long[256];

    static {
        long crcValue;
        for (int i = 0; i < 256; i++) {
            crcValue = i;
            for (int j = 0; j < 8; j++) {
                if ((crcValue & 1) == 1) {
                    crcValue = crcValue >> 1;
                    crcValue = 0x00000000edb88320L ^ crcValue;
                } else {
                    crcValue = crcValue >> 1;

                }
            }
            crc32Table[i] = crcValue;
        }
    }

    public static long getCrc32(byte[] bytes) {
        long resultCrcValue = 0x00000000ffffffffL;
        for (int i = 0; i < bytes.length; i++) {
            int index = (int) ((resultCrcValue ^ bytes[i]) & 0xff);
            resultCrcValue = crc32Table[index] ^ (resultCrcValue >> 8);
        }
        resultCrcValue = resultCrcValue ^ 0x00000000ffffffffL;
        return resultCrcValue;
    }

    public static void main(String[] args) {
        String testStr = "{"log":{"content":"2","time":"2016-01-05 10:17:24","type":1001,"version":"[5.0.8.12]"},"pcInfo":{"ip":"192.168.118.57","mac":"94-DE-80-A8-E6-EC","onlyId":"7CE81DDBF7D05F6AD89CD7D79FAA5905"},"user":{"name":"CFM"}}";
        java.util.zip.CRC32 jdkCrc32 = new java.util.zip.CRC32();
        jdkCrc32.update(testStr.getBytes());
        System.out.println("jdk  crc32: " + jdkCrc32.getValue());
        System.out.println("test crc32: " + getCrc32(testStr.getBytes()));
    }
}