Package io.leangen.graphql.metadata.strategy.value.gson

Class GsonValueMapper

java.lang.Object

io.leangen.graphql.metadata.strategy.value.gson.GsonValueMapper

All Implemented Interfaces:

InputFieldBuilder, ValueMapper

public class GsonValueMapper
extends Object
implements ValueMapper, InputFieldBuilder

Field Summary

Fields inherited from interface io.leangen.graphql.metadata.strategy.value.ValueMapper

TYPE_METADATA_FIELD_NAME

Method Summary

Modifier and Type	Method	Description
protected DefaultValue	defaultValue(List<AnnotatedElement> members, AnnotatedType fieldType, GlobalEnvironment environment)
<T> T	fromInput(Object graphQLInput, Type sourceType, AnnotatedType outputType)
<T> T	fromString(String json, AnnotatedType type)
protected String	getDescription(List<AnnotatedElement> members, MessageBundle messageBundle)
Set<InputField>	getInputFields(InputFieldBuilderParams params)	Unlike Jackson, Gson doesn't expose any of its metadata, so this method is more or less a reimplementation of com.google.gson.internal.bind.ReflectiveTypeAdapterFactory#getBoundFields(Gson, com.google.gson.reflect.TypeToken, Class)
TypeDiscriminatorField	getTypeDiscriminatorField(InputFieldBuilderParams params)
protected TypedElement	reduce(AnnotatedType declaringType, Field field, TypeTransformer transformer)
protected TypedElement	reduce(AnnotatedType declaringType, Method getter, TypeTransformer transformer)
boolean	supports(AnnotatedType type)
String	toString(Object output, AnnotatedType type)

Methods inherited from class java.lang.Object

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

Methods inherited from interface io.leangen.graphql.metadata.strategy.value.ValueMapper

fromInput

Method Detail

fromInput

public <T> T fromInput(Object graphQLInput,
                       Type sourceType,
                       AnnotatedType outputType)
                throws InputParsingException

Specified by:

fromInput in interface ValueMapper

Throws:

InputParsingException

fromString

public <T> T fromString(String json,
                        AnnotatedType type)

Specified by:

fromString in interface ValueMapper

toString

public String toString(Object output,
                       AnnotatedType type)

Specified by:

toString in interface ValueMapper

getInputFields

public Set<InputField> getInputFields(InputFieldBuilderParams params)

Unlike Jackson, Gson doesn't expose any of its metadata, so this method is more or less a reimplementation of com.google.gson.internal.bind.ReflectiveTypeAdapterFactory#getBoundFields(Gson, com.google.gson.reflect.TypeToken, Class)

Specified by:

getInputFields in interface InputFieldBuilder

Parameters:

params - The parameters available to the discovery strategy

Returns:

All deserializable fields that could be discovered from this AnnotatedType

getTypeDiscriminatorField

public TypeDiscriminatorField getTypeDiscriminatorField(InputFieldBuilderParams params)

Specified by:

getTypeDiscriminatorField in interface InputFieldBuilder

reduce

protected TypedElement reduce(AnnotatedType declaringType,
                              Field field,
                              TypeTransformer transformer)

reduce

protected TypedElement reduce(AnnotatedType declaringType,
                              Method getter,
                              TypeTransformer transformer)

getDescription

protected String getDescription(List<AnnotatedElement> members,
                                MessageBundle messageBundle)

defaultValue

protected DefaultValue defaultValue(List<AnnotatedElement> members,
                                    AnnotatedType fieldType,
                                    GlobalEnvironment environment)

supports

public boolean supports(AnnotatedType type)

Specified by:

supports in interface InputFieldBuilder