How to write java code for to_bytes function of teradata?

 1
 2
 3
 4
 5
 6
 7
 8
 9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26

import java.nio.ByteBuffer;
import java.math.BigInteger;

public class ToBytesFunction {

    public static byte[] toBytes(long value) {
        ByteBuffer buffer = ByteBuffer.allocate(Long.BYTES);
        buffer.putLong(value);
        return buffer.array();
    }

    public static byte[] toBytes(String value) {
        BigInteger bigInteger = new BigInteger(value);
        return bigInteger.toByteArray();
    }

    public static void main(String[] args) {
        long longValue = 123456789L;
        byte[] bytesLong = toBytes(longValue);
        System.out.println("Byte array for long value: " + bytesLong.length);

        String stringValue = "987654321";
        byte[] bytesString = toBytes(stringValue);
        System.out.println("Byte array for string value: " + bytesString.length);
    }
}