Mutf8.java 文件源码

public static long countBytes(String s, boolean shortLength) throws UTFDataFormatException {
    long result = 0;
    int length = s.length();
    int i = 0;
    while (i < length) {
        char ch = s.charAt(i);
        if (ch != '\u0000' && ch <= '') {
            result++;
        } else if (ch <= '߿') {
            result += 2;
        } else {
            result += 3;
        }
        if (!shortLength || result <= 65535) {
            i++;
        } else {
            throw new UTFDataFormatException("String more than 65535 UTF bytes long");
        }
    }
    return result;
}