private int handleG()

in src/main/java/org/apache/commons/codec/language/DoubleMetaphone.java [401:454]
50 lines of code
26 McCabe index (conditional complexity)

    private int handleG(final String value, final DoubleMetaphoneResult result, int index,
                        final boolean slavoGermanic) {
        if (charAt(value, index + 1) == 'H') {
            index = handleGH(value, result, index);
        } else if (charAt(value, index + 1) == 'N') {
            if (index == 1 && isVowel(charAt(value, 0)) && !slavoGermanic) {
                result.append("KN", "N");
            } else if (!contains(value, index + 2, 2, "EY") &&
                       charAt(value, index + 1) != 'Y' && !slavoGermanic) {
                result.append("N", "KN");
            } else {
                result.append("KN");
            }
            index = index + 2;
        } else if (contains(value, index + 1, 2, "LI") && !slavoGermanic) {
            result.append("KL", "L");
            index += 2;
        } else if (index == 0 &&
                   (charAt(value, index + 1) == 'Y' ||
                    contains(value, index + 1, 2, ES_EP_EB_EL_EY_IB_IL_IN_IE_EI_ER))) {
            //-- -ges-, -gep-, -gel-, -gie- at beginning --//
            result.append('K', 'J');
            index += 2;
        } else if ((contains(value, index + 1, 2, "ER") ||
                    charAt(value, index + 1) == 'Y') &&
                   !contains(value, 0, 6, "DANGER", "RANGER", "MANGER") &&
                   !contains(value, index - 1, 1, "E", "I") &&
                   !contains(value, index - 1, 3, "RGY", "OGY")) {
            //-- -ger-, -gy- --//
            result.append('K', 'J');
            index += 2;
        } else if (contains(value, index + 1, 1, "E", "I", "Y") ||
                   contains(value, index - 1, 4, "AGGI", "OGGI")) {
            //-- Italian "biaggi" --//
            if (contains(value, 0 ,4, "VAN ", "VON ") ||
                contains(value, 0, 3, "SCH") ||
                contains(value, index + 1, 2, "ET")) {
                //-- obvious germanic --//
                result.append('K');
            } else if (contains(value, index + 1, 3, "IER")) {
                result.append('J');
            } else {
                result.append('J', 'K');
            }
            index += 2;
        } else if (charAt(value, index + 1) == 'G') {
            index += 2;
            result.append('K');
        } else {
            index++;
            result.append('K');
        }
        return index;
    }