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

Class GsonValueMapper

java.lang.Object

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

All Implemented Interfaces:

InputFieldDiscoveryStrategy, ValueMapper

public class GsonValueMapper
extends Object
implements ValueMapper, InputFieldDiscoveryStrategy

Field Summary

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

TYPE_METADATA_FIELD_NAME

Constructor Summary

Constructors

Constructor and Description
GsonValueMapper(com.google.gson.Gson gson)

Method Summary

Modifier and Type	Method and Description
<T> T	fromInput(Object graphQlInput, Type sourceType, AnnotatedType outputType)
<T> T	fromString(String json, AnnotatedType outputType)
Set<InputField>	getInputFields(AnnotatedType type) 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)
String	toString(Object output)

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

Constructor Detail

GsonValueMapper

public GsonValueMapper(com.google.gson.Gson gson)

Method Detail

fromInput

public <T> T fromInput(Object graphQlInput,
                       Type sourceType,
                       AnnotatedType outputType)

Specified by:

fromInput in interface ValueMapper

fromString

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

Specified by:

fromString in interface ValueMapper

toString

public String toString(Object output)

Specified by:

toString in interface ValueMapper

getInputFields

public Set<InputField> getInputFields(AnnotatedType type)

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 InputFieldDiscoveryStrategy

Parameters:

type - Java type (used as query input) to be analyzed for deserializable fields

Returns:

All deserializable fields that could be discovered from this AnnotatedType