public static boolean hasToBeEncoded()

in core/src/main/java/org/apache/james/mime4j/codec/EncoderUtil.java [207:237]

• 22 lines of code
• 8 McCabe index (conditional complexity)

    public static boolean hasToBeEncoded(String text, int usedCharacters) {
        if (text == null)
            throw new IllegalArgumentException();
        if (usedCharacters < 0 || usedCharacters > MAX_USED_CHARACTERS)
            throw new IllegalArgumentException();

        int nonWhiteSpaceCount = usedCharacters;

        for (int idx = 0; idx < text.length(); idx++) {
            char ch = text.charAt(idx);
            if (ch == '\t' || ch == ' ') {
                nonWhiteSpaceCount = 0;
            } else {
                nonWhiteSpaceCount++;
                if (nonWhiteSpaceCount > 77) {
                    // Line cannot be folded into multiple lines with no more
                    // than 78 characters each. Encoding as encoded-words makes
                    // that possible. One character has to be reserved for
                    // folding white space; that leaves 77 characters.
                    return true;
                }

                if (ch < 32 || ch >= 127) {
                    // non-printable ascii character has to be encoded
                    return true;
                }
            }
        }

        return false;
    }