graphql.servlet

Class GraphQLServlet

java.lang.Object

javax.servlet.GenericServlet

javax.servlet.http.HttpServlet

graphql.servlet.GraphQLServlet

All Implemented Interfaces:

GraphQLMBean, java.io.Serializable, javax.servlet.Servlet, javax.servlet.ServletConfig

Direct Known Subclasses:

OsgiGraphQLServlet, SimpleGraphQLServlet

public abstract class GraphQLServlet
extends javax.servlet.http.HttpServlet
implements javax.servlet.Servlet, GraphQLMBean

See Also:

Serialized Form

Nested Class Summary

Nested Classes

Modifier and Type	Class and Description
protected static class	GraphQLServlet.GraphQLRequest
protected static interface	GraphQLServlet.RequestHandler
protected static class	GraphQLServlet.VariablesDeserializer

Field Summary

Fields

Modifier and Type	Field and Description
static java.lang.String	APPLICATION_JSON_UTF8
static org.slf4j.Logger	log
static int	STATUS_BAD_REQUEST
static int	STATUS_OK

Constructor Summary

Constructors

Constructor and Description
GraphQLServlet()
GraphQLServlet(java.util.List<GraphQLServletListener> listeners, org.apache.commons.fileupload.FileItemFactory fileItemFactory)

Method Summary

Modifier and Type	Method and Description
void	addListener(GraphQLServletListener servletListener)
protected abstract GraphQLContext	createContext(java.util.Optional<javax.servlet.http.HttpServletRequest> request, java.util.Optional<javax.servlet.http.HttpServletResponse> response)
protected void	doGet(javax.servlet.http.HttpServletRequest req, javax.servlet.http.HttpServletResponse resp)
protected void	doPost(javax.servlet.http.HttpServletRequest req, javax.servlet.http.HttpServletResponse resp)
java.lang.String	executeQuery(java.lang.String query)
protected abstract ExecutionStrategyProvider	getExecutionStrategyProvider()
protected abstract GraphQLErrorHandler	getGraphQLErrorHandler()
protected abstract graphql.execution.instrumentation.Instrumentation	getInstrumentation()
java.lang.String[]	getMutations()
java.lang.String[]	getQueries()
protected abstract GraphQLSchemaProvider	getSchemaProvider()
void	removeListener(GraphQLServletListener servletListener)
protected abstract java.util.Map<java.lang.String,java.lang.Object>	transformVariables(graphql.schema.GraphQLSchema schema, java.lang.String query, java.util.Map<java.lang.String,java.lang.Object> variables)

Methods inherited from class javax.servlet.http.HttpServlet

doDelete, doHead, doOptions, doPut, doTrace, getLastModified, service, service

Methods inherited from class javax.servlet.GenericServlet

destroy, getInitParameter, getInitParameterNames, getServletConfig, getServletContext, getServletInfo, getServletName, init, init, log, log

Methods inherited from class java.lang.Object

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

Methods inherited from interface javax.servlet.Servlet

destroy, getServletConfig, getServletInfo, init, service

Field Detail

log

public static final org.slf4j.Logger log

APPLICATION_JSON_UTF8

public static final java.lang.String APPLICATION_JSON_UTF8

See Also:

Constant Field Values

STATUS_OK

public static final int STATUS_OK

See Also:

Constant Field Values

STATUS_BAD_REQUEST

public static final int STATUS_BAD_REQUEST

See Also:

Constant Field Values

Constructor Detail

GraphQLServlet

public GraphQLServlet()

GraphQLServlet

public GraphQLServlet(java.util.List<GraphQLServletListener> listeners,
                      org.apache.commons.fileupload.FileItemFactory fileItemFactory)

Method Detail

getSchemaProvider

protected abstract GraphQLSchemaProvider getSchemaProvider()

createContext

protected abstract GraphQLContext createContext(java.util.Optional<javax.servlet.http.HttpServletRequest> request,
                                                java.util.Optional<javax.servlet.http.HttpServletResponse> response)

getExecutionStrategyProvider

protected abstract ExecutionStrategyProvider getExecutionStrategyProvider()

getInstrumentation

protected abstract graphql.execution.instrumentation.Instrumentation getInstrumentation()

transformVariables

protected abstract java.util.Map<java.lang.String,java.lang.Object> transformVariables(graphql.schema.GraphQLSchema schema,
                                                                                       java.lang.String query,
                                                                                       java.util.Map<java.lang.String,java.lang.Object> variables)

getGraphQLErrorHandler

protected abstract GraphQLErrorHandler getGraphQLErrorHandler()

addListener

public void addListener(GraphQLServletListener servletListener)

removeListener

public void removeListener(GraphQLServletListener servletListener)

getQueries

public java.lang.String[] getQueries()

Specified by:

getQueries in interface GraphQLMBean

getMutations

public java.lang.String[] getMutations()

Specified by:

getMutations in interface GraphQLMBean

executeQuery

public java.lang.String executeQuery(java.lang.String query)

Specified by:

executeQuery in interface GraphQLMBean

doGet

protected void doGet(javax.servlet.http.HttpServletRequest req,
                     javax.servlet.http.HttpServletResponse resp)
              throws javax.servlet.ServletException,
                     java.io.IOException

Overrides:

doGet in class javax.servlet.http.HttpServlet

Throws:

javax.servlet.ServletException

java.io.IOException

doPost

protected void doPost(javax.servlet.http.HttpServletRequest req,
                      javax.servlet.http.HttpServletResponse resp)
               throws javax.servlet.ServletException,
                      java.io.IOException

Overrides:

doPost in class javax.servlet.http.HttpServlet

Throws:

javax.servlet.ServletException

java.io.IOException