public static String encodeUrl()

in commons-email2-core/src/main/java/org/apache/commons/mail2/core/EmailUtils.java [96:114]

• 19 lines of code
• 4 McCabe index (conditional complexity)

    public static String encodeUrl(final String input) {
        if (input == null) {
            return null;
        }
        final StringBuilder builder = new StringBuilder();
        for (final byte c : input.getBytes(StandardCharsets.US_ASCII)) {
            final int b = Byte.toUnsignedInt(c);
            if (SAFE_URL.get(b)) {
                builder.append((char) b);
            } else {
                builder.append(ESCAPE_CHAR);
                final char hex1 = Character.toUpperCase(Character.forDigit(b >> 4 & 0xF, RADIX));
                final char hex2 = Character.toUpperCase(Character.forDigit(b & 0xF, RADIX));
                builder.append(hex1);
                builder.append(hex2);
            }
        }
        return builder.toString();
    }