com.graphql_java_generator

Class GraphqlUtils

java.lang.Object

com.graphql_java_generator.GraphqlUtils

@Component
public class GraphqlUtils
extends Object

Author:

EtienneSF

Constructor Summary

Constructors

Constructor and Description
GraphqlUtils()

Method Summary

Modifier and Type	Method and Description
<T> Method	getGetter(Class<T> clazz, Field field) Retrieves the getter for the given field on the given field
<T> T	getInputObject(Map<String,Object> map, Class<T> clazz) This method returns a GraphQL input object, as defined in the GraphQL schema, from the Map that has been read from the JSON object sent to the server.
<T> List<T>	getListInputObjects(List<Map<String,Object>> list, Class<T> clazz) This method returns a list of instances of the given class, from a list of Map.
String	getPascalCase(String name) Returns the given name in PascalCase.
<T> Method	getSetter(Class<T> clazz, Field field) Retrieves the setter for the given field on the given field
Object	invokeGetter(Object object, String fieldName) Invoke the getter for the given field name, on the given object.
void	invokeSetter(Object object, Field field, Object value) Invoke the setter for the given field, on the given object.
void	invokeSetter(Object object, String fieldName, Object value) Invoke the setter for the Field of the given name, on the given object.

Methods inherited from class java.lang.Object

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

Constructor Detail

GraphqlUtils

public GraphqlUtils()

Method Detail

getPascalCase

public String getPascalCase(String name)

Returns the given name in PascalCase. For instance: theName -> TheName

Parameters:

name -

Returns:

getInputObject

public <T> T getInputObject(Map<String,Object> map,
                            Class<T> clazz)

This method returns a GraphQL input object, as defined in the GraphQL schema, from the Map that has been read from the JSON object sent to the server.

Type Parameters:

T - The class expected to be returned

Parameters:

map - The map, read from the JSON in the GraphQL request. Only the part of the map, related to the expected class is sent.

t - An empty instance of the expected type. This instance's fields will be set by this method, from the value in the map

Returns:

An instance of the expected class. If the map is null, null is returned. Of the map is empty, anew instance is returned, with all its fields are left empty

getListInputObjects

public <T> List<T> getListInputObjects(List<Map<String,Object>> list,
                                       Class<T> clazz)

This method returns a list of instances of the given class, from a list of Map. This is used on server-side, to map the input read from the JSON into the InputType that have been declared in the GraphQL schema.

Type Parameters:

T -

Parameters:

list -

clazz -

Returns:

getSetter

public <T> Method getSetter(Class<T> clazz,
                            Field field)

Retrieves the setter for the given field on the given field

Type Parameters:

T -

Parameters:

t -

field -

Returns:

getGetter

public <T> Method getGetter(Class<T> clazz,
                            Field field)

Retrieves the getter for the given field on the given field

Type Parameters:

T -

Parameters:

t -

field -

Returns:

invokeGetter

public Object invokeGetter(Object object,
                           String fieldName)

Invoke the getter for the given field name, on the given object. All check exceptions are hidden in a RuntimeException

Parameters:

object -

fieldName -

Returns:

the field's value for the given object

Throws:

RuntimeException - If any exception occurs

invokeSetter

public void invokeSetter(Object object,
                         Field field,
                         Object value)

Invoke the setter for the given field, on the given object. All check exceptions are hidden in a RuntimeException

Parameters:

object -

field -

value -

Throws:

RuntimeException - If any exception occurs

invokeSetter

public void invokeSetter(Object object,
                         String fieldName,
                         Object value)

Invoke the setter for the Field of the given name, on the given object. All check exceptions are hidden in a RuntimeException

Parameters:

object -

fieldName -

value -

Throws:

RuntimeException - If any exception occurs