Module evita.external.api.graphql

Package io.evitadb.externalApi.graphql.io

Class GraphQLSchemaHandler

java.lang.Object

io.evitadb.externalApi.http.EndpointHandler<GraphQLSchemaHandler.GraphQLEndpointExchange>

io.evitadb.externalApi.graphql.io.GraphQLSchemaHandler

All Implemented Interfaces:

io.undertow.server.HttpHandler

public class GraphQLSchemaHandler
extends io.evitadb.externalApi.http.EndpointHandler<GraphQLSchemaHandler.GraphQLEndpointExchange>

HTTP request handler for returning GraphQLSchema as a DSL string using passed configured instance of GraphQL.

Author:

Lukáš Hornych, FG Forrest a.s. 2023

Nested Class Summary

Nested Classes

Modifier and Type	Class	Description
protected static final record	GraphQLSchemaHandler.GraphQLEndpointExchange

Constructor Summary

Constructors

Constructor	Description
GraphQLSchemaHandler(AtomicReference<graphql.GraphQL> graphQL)

Method Summary

Modifier and Type	Method	Description
protected GraphQLSchemaHandler.GraphQLEndpointExchange	createEndpointExchange(io.undertow.server.HttpServerExchange serverExchange, String httpMethod, String requestBodyMediaType, String preferredResponseMediaType)
protected <T extends io.evitadb.externalApi.exception.ExternalApiInternalError> T	createInternalError(String message)
protected <T extends io.evitadb.externalApi.exception.ExternalApiInternalError> T	createInternalError(String message, Throwable cause)
protected <T extends io.evitadb.externalApi.exception.ExternalApiInvalidUsageException> T	createInvalidUsageException(String message)
protected io.evitadb.externalApi.http.EndpointResponse	doHandleRequest(GraphQLSchemaHandler.GraphQLEndpointExchange exchange)
Set<String>	getSupportedHttpMethods()
LinkedHashSet<String>	getSupportedResponseContentTypes()
protected void	writeResult(GraphQLSchemaHandler.GraphQLEndpointExchange exchange, OutputStream outputStream, Object response)

Methods inherited from class io.evitadb.externalApi.http.EndpointHandler

afterRequestHandled, beforeRequestHandled, getSupportedRequestContentTypes, handleRequest, parseRequestBody, readRawRequestBody, validateRequest

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Details

GraphQLSchemaHandler

public GraphQLSchemaHandler(@Nonnull
 AtomicReference<graphql.GraphQL> graphQL)

Method Details

createEndpointExchange

@Nonnull
protected GraphQLSchemaHandler.GraphQLEndpointExchange createEndpointExchange(@Nonnull
 io.undertow.server.HttpServerExchange serverExchange,
 @Nonnull
 String httpMethod,
 @Nullable
 String requestBodyMediaType,
 @Nullable
 String preferredResponseMediaType)

Specified by:

createEndpointExchange in class io.evitadb.externalApi.http.EndpointHandler<GraphQLSchemaHandler.GraphQLEndpointExchange>

doHandleRequest

@Nonnull
protected io.evitadb.externalApi.http.EndpointResponse doHandleRequest(@Nonnull
 GraphQLSchemaHandler.GraphQLEndpointExchange exchange)

Specified by:

doHandleRequest in class io.evitadb.externalApi.http.EndpointHandler<GraphQLSchemaHandler.GraphQLEndpointExchange>

createInternalError

@Nonnull
protected <T extends io.evitadb.externalApi.exception.ExternalApiInternalError>
T createInternalError(@Nonnull
 String message)

Specified by:

createInternalError in class io.evitadb.externalApi.http.EndpointHandler<GraphQLSchemaHandler.GraphQLEndpointExchange>

createInternalError

@Nonnull
protected <T extends io.evitadb.externalApi.exception.ExternalApiInternalError>
T createInternalError(@Nonnull
 String message,
 @Nonnull
 Throwable cause)

Specified by:

createInternalError in class io.evitadb.externalApi.http.EndpointHandler<GraphQLSchemaHandler.GraphQLEndpointExchange>

createInvalidUsageException

@Nonnull
protected <T extends io.evitadb.externalApi.exception.ExternalApiInvalidUsageException>
T createInvalidUsageException(@Nonnull
 String message)

Specified by:

createInvalidUsageException in class io.evitadb.externalApi.http.EndpointHandler<GraphQLSchemaHandler.GraphQLEndpointExchange>

getSupportedHttpMethods

@Nonnull
public Set<String> getSupportedHttpMethods()

Specified by:

getSupportedHttpMethods in class io.evitadb.externalApi.http.EndpointHandler<GraphQLSchemaHandler.GraphQLEndpointExchange>

getSupportedResponseContentTypes

@Nonnull
public LinkedHashSet<String> getSupportedResponseContentTypes()

Overrides:

getSupportedResponseContentTypes in class io.evitadb.externalApi.http.EndpointHandler<GraphQLSchemaHandler.GraphQLEndpointExchange>

writeResult

protected void writeResult(@Nonnull
 GraphQLSchemaHandler.GraphQLEndpointExchange exchange,
 @Nonnull
 OutputStream outputStream,
 @Nonnull
 Object response)

Overrides:

writeResult in class io.evitadb.externalApi.http.EndpointHandler<GraphQLSchemaHandler.GraphQLEndpointExchange>