Module io.helidon.config.objectmapping

Package io.helidon.config.objectmapping

Class ObjectConfigMapperProvider

java.lang.Object

io.helidon.config.objectmapping.ObjectConfigMapperProvider

All Implemented Interfaces:

ConfigMapperProvider

public class ObjectConfigMapperProvider
extends Object
implements ConfigMapperProvider

Java beans support for configuration.

Constructor Summary

Constructors

Constructor	Description
ObjectConfigMapperProvider()

Method Summary

Modifier and Type	Method	Description
<T> Optional<Function<Config,T>>	mapper(Class<T> type)	A simple mapping function from config node to a typed value based on the expected class.
Map<Class<?>,Function<Config,?>>	mappers()	Returns a map of mapper functions associated with appropriate target type (Class<?>.

Methods inherited from class java.lang.Object

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

Methods inherited from interface io.helidon.config.spi.ConfigMapperProvider

genericTypeMappers, mapper

Constructor Details

ObjectConfigMapperProvider

public ObjectConfigMapperProvider()

Method Details

mappers

public Map<Class<?>,Function<Config,?>> mappers()

Description copied from interface: ConfigMapperProvider

Returns a map of mapper functions associated with appropriate target type (Class<?>.

Mappers will be automatically registered by Config.Builder during bootstrapping of Config unless disableld.

Specified by:

mappers in interface ConfigMapperProvider

Returns:

a map of config mapper functions, never null, though this may return an empty map if ConfigMapperProvider.mapper(Class) is used instead

mapper

public <T> Optional<Function<Config,T>> mapper(Class<T> type)

Description copied from interface: ConfigMapperProvider

A simple mapping function from config node to a typed value based on the expected class. If more complex type handling or conversion is needed, use ConfigMapperProvider.mapper(GenericType).

Specified by:

mapper in interface ConfigMapperProvider

Type Parameters:

T - type returned from conversion

Parameters:

type - type of the expected mapping result

Returns:

function to convert config node to the expected type, or empty if the type is not supported by this provider