Module io.helidon.json.binding

Package io.helidon.json.binding

Interface JsonDeserializer<T>

Type Parameters:

T - the type this deserializer produces

All Superinterfaces:

JsonComponent<T>

All Known Subinterfaces:

JsonConverter<T>

public interface JsonDeserializer<T>
extends JsonComponent<T>

Interface for deserializing JSON to Java objects.

Method Summary

Modifier and Type	Method	Description
T	deserialize(JsonParser parser)	Deserializes JSON data from the parser into an object of type T.
default T	deserializeNull()	Return the default value when deserializing a null JSON value.

Methods inherited from interface io.helidon.json.binding.JsonComponent

configure, type

Method Details

deserialize

T deserialize(JsonParser parser)

Deserializes JSON data from the parser into an object of type T. This method should never be called if the value in the parser is null. If the value is null, use deserializeNull() instead.

Parameters:

parser - the JSON parser to read from

Returns:

the deserialized object

deserializeNull

default T deserializeNull()

Return the default value when deserializing a null JSON value.

This method is called when a JSON null value is encountered. The default implementation returns null.

Returns:

the deserialized null value, typically null