io.micronaut.jackson.convert

Class JsonNodeToObjectConverter

java.lang.Object

io.micronaut.jackson.convert.JsonNodeToObjectConverter

All Implemented Interfaces:

TypeConverter<com.fasterxml.jackson.databind.JsonNode,Object>

@Singleton
public class JsonNodeToObjectConverter
extends Object
implements TypeConverter<com.fasterxml.jackson.databind.JsonNode,Object>

A TypeConverter that leverages Jackson ObjectMapper to convert from JsonNode instances to objects.

Since:

1.0

Author:

Graeme Rocher

Constructor Summary

Constructors

Constructor and Description
JsonNodeToObjectConverter(com.fasterxml.jackson.databind.ObjectMapper objectMapper) Deprecated. Use JsonNodeToObjectConverter(Provider) instead
JsonNodeToObjectConverter(Provider<com.fasterxml.jackson.databind.ObjectMapper> objectMapper)

Method Summary

Modifier and Type	Method and Description
Optional<Object>	convert(com.fasterxml.jackson.databind.JsonNode node, Class<Object> targetType, ConversionContext context) Converts from the given source object type to the target type.

Methods inherited from class java.lang.Object

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

Methods inherited from interface io.micronaut.core.convert.TypeConverter

convert, of

Constructor Detail

JsonNodeToObjectConverter

@Deprecated
public JsonNodeToObjectConverter(com.fasterxml.jackson.databind.ObjectMapper objectMapper)

Deprecated. Use JsonNodeToObjectConverter(Provider) instead

Parameters:

objectMapper - To read/write JSON

JsonNodeToObjectConverter

@Inject
public JsonNodeToObjectConverter(Provider<com.fasterxml.jackson.databind.ObjectMapper> objectMapper)

Parameters:

objectMapper - To read/write JSON

Method Detail

convert

public Optional<Object> convert(com.fasterxml.jackson.databind.JsonNode node,
                                Class<Object> targetType,
                                ConversionContext context)

Description copied from interface: TypeConverter

Converts from the given source object type to the target type. Implementers should take care to return Optional.empty() in case the object is not convertible by catching any necessary exceptions and failing gracefully.

Specified by:

convert in interface TypeConverter<com.fasterxml.jackson.databind.JsonNode,Object>

Parameters:

node - The object type

targetType - The target type being converted to

context - The ConversionContext

Returns:

The converted type or empty if the conversion is not possible