Method parse

CodenameOne/src/com/codename1/ui/CSSColor.java:49–82

(String value)

    /// `IllegalArgumentException` when the value is not a recognised color so
    /// the caller can choose between a default and a propagated failure.
    public static int parse(String value) {
        String trimmed = value == null ? "" : value.trim();
        if (trimmed.length() == 0) {
            throw new IllegalArgumentException("Empty color");
        }
        if (trimmed.charAt(0) == '#') {
            return parseHexColor(trimmed.substring(1));
        }
        String lower = trimmed.toLowerCase();
        if (lower.startsWith("rgba(") || lower.startsWith("rgb(")) {
            int open = trimmed.indexOf('(');
            int close = trimmed.lastIndexOf(')');
            if (open < 0 || close < open) {
                throw new IllegalArgumentException("Unrecognised color: " + value);
            }
            List<String> comps = StringUtil.tokenize(trimmed.substring(open + 1, close), ',');
            if (comps.size() < 3) {
                throw new IllegalArgumentException("Unrecognised color: " + value);
            }
            int r = parseColorComponent(comps.get(0));
            int g = parseColorComponent(comps.get(1));
            int b = parseColorComponent(comps.get(2));
            int a = 255;
            if (comps.size() >= 4) {
                a = clamp(Math.round(parseFloat(comps.get(3).trim()) * 255f));
            }
            return (a << 24) | (r << 16) | (g << 8) | b;
        }
        Integer named = NAMED_COLORS.get(lower);
        if (named != null) {
            return named.intValue();
        }
        throw new IllegalArgumentException("Unrecognised color: " + value);
    }

    /// Parses a CSS color string into `0xAARRGGBB`, returning `defaultColor`
    /// when the value is `null` or not a recognised color. The lenient variant