Examples with SchemaValidator graphql.schema.validation.SchemaValidator used on opensource projects

Example 1 with SchemaValidator

use of graphql.schema.validation.SchemaValidator in project carbon-apimgt by wso2.

the class PublisherCommonUtils method validateGraphQLSchema.

/**
 * Validate GraphQL Schema.
 *
 * @param filename file name of the schema
 * @param schema   GraphQL schema
 */
public static GraphQLValidationResponseDTO validateGraphQLSchema(String filename, String schema) throws APIManagementException {
    String errorMessage;
    GraphQLValidationResponseDTO validationResponse = new GraphQLValidationResponseDTO();
    boolean isValid = false;
    try {
        if (filename.endsWith(".graphql") || filename.endsWith(".txt") || filename.endsWith(".sdl")) {
            if (schema.isEmpty()) {
                throw new APIManagementException("GraphQL Schema cannot be empty or null to validate it", ExceptionCodes.GRAPHQL_SCHEMA_CANNOT_BE_NULL);
            }
            SchemaParser schemaParser = new SchemaParser();
            TypeDefinitionRegistry typeRegistry = schemaParser.parse(schema);
            GraphQLSchema graphQLSchema = UnExecutableSchemaGenerator.makeUnExecutableSchema(typeRegistry);
            SchemaValidator schemaValidation = new SchemaValidator();
            Set<SchemaValidationError> validationErrors = schemaValidation.validateSchema(graphQLSchema);
            if (validationErrors.toArray().length > 0) {
                errorMessage = "InValid Schema";
                validationResponse.isValid(Boolean.FALSE);
                validationResponse.errorMessage(errorMessage);
            } else {
                validationResponse.setIsValid(Boolean.TRUE);
                GraphQLValidationResponseGraphQLInfoDTO graphQLInfo = new GraphQLValidationResponseGraphQLInfoDTO();
                GraphQLSchemaDefinition graphql = new GraphQLSchemaDefinition();
                List<URITemplate> operationList = graphql.extractGraphQLOperationList(typeRegistry, null);
                List<APIOperationsDTO> operationArray = APIMappingUtil.fromURITemplateListToOprationList(operationList);
                graphQLInfo.setOperations(operationArray);
                GraphQLSchemaDTO schemaObj = new GraphQLSchemaDTO();
                schemaObj.setSchemaDefinition(schema);
                graphQLInfo.setGraphQLSchema(schemaObj);
                validationResponse.setGraphQLInfo(graphQLInfo);
            }
        } else {
            throw new APIManagementException("Unsupported extension type of file: " + filename, ExceptionCodes.UNSUPPORTED_GRAPHQL_FILE_EXTENSION);
        }
        isValid = validationResponse.isIsValid();
        errorMessage = validationResponse.getErrorMessage();
    } catch (SchemaProblem e) {
        errorMessage = e.getMessage();
    }
    if (!isValid) {
        validationResponse.setIsValid(isValid);
        validationResponse.setErrorMessage(errorMessage);
    }
    return validationResponse;
}