private static Patterns processAnythingButListMatchExpression()

in src/main/software/amazon/event/ruler/RuleCompiler.java [477:507]

30 lines of code
10 McCabe index (conditional complexity)


    private static Patterns processAnythingButListMatchExpression(JsonParser parser) throws JsonParseException {
        JsonToken token;
        Set<String> values = new HashSet<>();
        boolean hasNumber = false;
        boolean hasString = false;
        try {
            while ((token = parser.nextToken()) != JsonToken.END_ARRAY) {
                switch (token) {
                    case VALUE_STRING:
                        values.add('"' + parser.getText() + '"');
                        hasString = true;
                        break;
                    case VALUE_NUMBER_FLOAT:
                    case VALUE_NUMBER_INT:
                        values.add(ComparableNumber.generate(parser.getText()));
                        hasNumber = true;
                        break;
                    default:
                        barf(parser, "Inside anything but list, start|null|boolean is not supported.");
                }
            }
        } catch (IllegalArgumentException | IOException e) {
            barf(parser, e.getMessage());
        }

        if ((hasNumber && hasString) || (!hasNumber && !hasString)) {
            barf(parser, "Inside anything but list, either all values are number or string, " +
                    "mixed type is not supported");
        }
        return AnythingBut.anythingButMatch(values, hasNumber);
    }