static String encodeUrl()

in src/main/java/org/apache/commons/mail/EmailUtils.java [281:310]

• 29 lines of code
• 5 McCabe index (conditional complexity)

    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))
        {
            int b = c;
            if (b < 0)
            {
                b = 256 + b;
            }
            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();
    }