protected Set toLocalRestrictions()

in src/main/java/org/apache/sling/jcr/contentloader/internal/readers/JsonReader.java [618:671]
50 lines of code
10 McCabe index (conditional complexity)

    protected Set<LocalRestriction> toLocalRestrictions(JsonObject allowOrDenyObj,
            Map<String, RestrictionDefinition> srMap,
            ValueFactory vf) throws RepositoryException {
        Set<LocalRestriction> restrictions = new HashSet<>();
        for (Entry<String, JsonValue> restrictionEntry : allowOrDenyObj.entrySet()) {
            String restrictionName = restrictionEntry.getKey();
            RestrictionDefinition rd = srMap.get(restrictionName);
            if (rd == null) {
                // illegal restriction name?
                throw new JsonException("Invalid or not supported restriction name was supplied: " + restrictionName);
            }

            boolean multival = rd.getRequiredType().isArray();
            int restrictionType = rd.getRequiredType().tag();

            LocalRestriction lr = null;
            JsonValue jsonValue = restrictionEntry.getValue();

            if (multival) {
                if (jsonValue.getValueType() == ValueType.ARRAY) {
                    JsonArray jsonArray = (JsonArray) jsonValue;
                    int size = jsonArray.size();
                    Value[] values = new Value[size];
                    for (int i = 0; i < size; i++) {
                        values[i] = toValue(vf, jsonArray.get(i), restrictionType);
                    }
                    lr = new LocalRestriction(restrictionName, values);
                } else {
                    Value v = toValue(vf, jsonValue, restrictionType);
                    lr = new LocalRestriction(restrictionName, new Value[] { v });
                }
            } else {
                if (jsonValue.getValueType() == ValueType.ARRAY) {
                    JsonArray jsonArray = (JsonArray) jsonValue;
                    int size = jsonArray.size();
                    if (size == 1) {
                        Value v = toValue(vf, jsonArray.get(0), restrictionType);
                        lr = new LocalRestriction(restrictionName, v);
                    } else if (size > 1) {
                        throw new JsonException(
                                "Unexpected multi value array data found for single-value restriction value for name: "
                                        + restrictionName);
                    }
                } else {
                    Value v = toValue(vf, jsonValue, restrictionType);
                    lr = new LocalRestriction(restrictionName, v);
                }
            }
            if (lr != null) {
                restrictions.add(lr);
            }
        }
        return restrictions;
    }