public GraphQLQueryParser apply()

in data-index/data-index-graphql/src/main/java/org/kie/kogito/index/graphql/query/GraphQLQueryMapper.java [75:125]
50 lines of code
16 McCabe index (conditional complexity)

    public GraphQLQueryParser apply(GraphQLInputObjectType type) {
        GraphQLQueryParser parser = new GraphQLQueryParser();

        type.getFields().forEach(
                field -> {
                    LOGGER.debug("Parser type: {}, field = {}:{}", type.getName(), field.getName(), simplePrint(field.getType()));
                    if (isEnumFilterType(field.getType())) {
                        parser.mapAttribute(field.getName(), mapEnumArgument(field.getName()));
                    } else if (isListOfType(field.getType(), type.getName())) {
                        parser.mapAttribute(field.getName(), mapRecursiveListArgument(field.getName(), parser));
                    } else if (((GraphQLNamedType) field.getType()).getName().equals(type.getName())) {
                        parser.mapAttribute(field.getName(), mapRecursiveArgument(field.getName(), parser));
                    } else {
                        String name = ((GraphQLNamedType) field.getType()).getName();
                        switch (name) {
                            case "IdArgument":
                                parser.mapAttribute(field.getName(), mapIdArgument(field.getName()));
                                break;
                            case "StringArgument":
                                parser.mapAttribute(field.getName(), mapStringArgument(field.getName()));
                                break;
                            case "StringArrayArgument":
                                parser.mapAttribute(field.getName(), mapStringArrayArgument(field.getName()));
                                break;
                            case "BooleanArgument":
                                parser.mapAttribute(field.getName(), mapBooleanArgument(field.getName()));
                                break;
                            case "DateArgument":
                                parser.mapAttribute(field.getName(), mapDateArgument(field.getName()));
                                break;
                            case "NumericArgument":
                            case "FloatArgument":
                            case "BigDecimalArgument":
                            case "LongArgument":
                                parser.mapAttribute(field.getName(), mapNumericArgument(field.getName()));
                                break;
                            case "KogitoMetadataArgument":
                                parser.mapAttribute(field.getName(), mapSubEntityArgument(field.getName(), GraphQLQueryParserRegistry.get().getParser("KogitoMetadataArgument")));
                                break;
                            case "JSON":
                                parser.mapAttribute(field.getName(), mapJsonArgument(field.getName()));
                                break;
                            default:
                                if (field.getType() instanceof GraphQLInputObjectType) {
                                    parser.mapAttribute(field.getName(), mapSubEntityArgument(field.getName(), new GraphQLQueryMapper().apply((GraphQLInputObjectType) field.getType())));
                                }
                        }
                    }
                });
        return parser;
    }