private static Boolean toBoolean()

in dubbo-rpc/dubbo-rpc-triple/src/main/java/org/apache/dubbo/rpc/protocol/tri/rest/argument/GeneralTypeConverter.java [1176:1219]

• 44 lines of code
• 23 McCabe index (conditional complexity)

    private static Boolean toBoolean(String str) {
        if (str == null) {
            return null;
        }
        switch (str.length()) {
            case 1:
                char c = str.charAt(0);
                if (c == 'y' || c == 'Y' || c == 't' || c == 'T' || c == '1') {
                    return Boolean.TRUE;
                }
                if (c == 'n' || c == 'N' || c == 'f' || c == 'F' || c == '0') {
                    return Boolean.FALSE;
                }
                break;
            case 2:
                if ("on".equalsIgnoreCase(str)) {
                    return Boolean.TRUE;
                }
                if ("no".equalsIgnoreCase(str)) {
                    return Boolean.FALSE;
                }
                break;
            case 3:
                if ("yes".equalsIgnoreCase(str)) {
                    return Boolean.TRUE;
                }
                if ("off".equalsIgnoreCase(str)) {
                    return Boolean.FALSE;
                }
                break;
            case 4:
                if ("true".equalsIgnoreCase(str)) {
                    return Boolean.TRUE;
                }
                break;
            case 5:
                if ("false".equalsIgnoreCase(str)) {
                    return Boolean.FALSE;
                }
                break;
            default:
        }
        return null;
    }