Hi,

The DB2 column size in bytes. I want to cut off the strings by number of bytes to fit in.

I code the method using the range from https://en.wikipedia.org/wiki/UTF-8

But I saw some other different ranges and don't know what is the correct way to cut by the bytes.

Thank you very much

public static String truncateMaxBytes(String pString, int maxBytes) {
        int byteCount = 0;
        for (int i = 0; i < pString.length(); i++) {
            char c = pString.charAt(i);
            int bytesOfChar=0;
            if (c <= 0x007f) {
                bytesOfChar = 1;
            }
            else if (c <= 0x07FF) {
                bytesOfChar = 2;
            } 
            else if (c <= 0xFFFF) {
                bytesOfChar = 3;
            }
            else if (c <= 0x1FFFFF) {
                bytesOfChar = 4;
            }
            else if (c <= 0x3FFFFFF) {
                bytesOfChar = 5;
            }
            else   {              
                bytesOfChar = 6;
            }
            
            byteCount += bytesOfChar;
            if (byteCount> maxBytes) {
                return pString.substring(0, i);
            }


        }
        return pString;
    }