Method encodeURIComponent

java/lib/src/main/java/io/github/ccxt/base/Encode.java:389–413

(Object str2)

//    }

    public static String encodeURIComponent(Object str2) {
        String str = (String) str2;
        // Match JS encodeURIComponent: unreserved set is A-Z a-z 0-9 - _ . ~ ! * ' ( )
        // Brackets `[` `]` ARE encoded. (The previous version included them in
        // the unreserved set to mimic C# HttpUtility output, but TS sources
        // call encodeURIComponent expecting JS semantics — e.g. aster.cancelOrders
        // produces `orderIdList=%5B...%5D`.)
        String unreserved = "abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789-_.~!*'()";

        StringBuilder result = new StringBuilder(str.length() * 3);

        byte[] bytes = str.getBytes(StandardCharsets.UTF_8);
        for (byte b : bytes) {
            int c = b & 0xFF;
            char ch = (char) c;

            if (unreserved.indexOf(ch) != -1) {
                result.append(ch);
            } else {
                result.append('%');
                result.append(String.format("%02X", c));
            }
        }
        return result.toString();
    }

    private static String urlEncode(String s) {
        try {