io.dropwizard.jackson

Class DiscoverableSubtypeResolver

java.lang.Object

com.fasterxml.jackson.databind.jsontype.SubtypeResolver

com.fasterxml.jackson.databind.jsontype.impl.StdSubtypeResolver

io.dropwizard.jackson.DiscoverableSubtypeResolver

All Implemented Interfaces:

Serializable

public class DiscoverableSubtypeResolver
extends com.fasterxml.jackson.databind.jsontype.impl.StdSubtypeResolver

A subtype resolver which discovers subtypes via META-INF/services/io.dropwizard.jackson.Discoverable.

See Also:

Serialized Form

Field Summary

Fields inherited from class com.fasterxml.jackson.databind.jsontype.impl.StdSubtypeResolver

_registeredSubtypes

Constructor Summary

Constructors

Constructor and Description
DiscoverableSubtypeResolver() Constructs a subtype resolver which scans for subtypes of Discoverable.
DiscoverableSubtypeResolver(Class<?> rootKlass) Constructs a subtype resolver which scans for subtypes of the provided class.

Method Summary

Modifier and Type	Method and Description
protected List<Class<?>>	discoverServices(Class<?> klass) Discovers the services in the META-INF/services folder for the provided class.
protected ClassLoader	getClassLoader() Returns a ClassLoader from the current class.
List<Class<?>>	getDiscoveredSubtypes() Returns the subtypes discovered from the META-INF configuration file.

Methods inherited from class com.fasterxml.jackson.databind.jsontype.impl.StdSubtypeResolver

_collectAndResolve, _collectAndResolveByTypeId, _combineNamedAndUnnamed, collectAndResolveSubtypesByClass, collectAndResolveSubtypesByClass, collectAndResolveSubtypesByTypeId, collectAndResolveSubtypesByTypeId, copy, registerSubtypes, registerSubtypes, registerSubtypes

Methods inherited from class com.fasterxml.jackson.databind.jsontype.SubtypeResolver

collectAndResolveSubtypes, collectAndResolveSubtypes

Methods inherited from class java.lang.Object

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

Constructor Detail

DiscoverableSubtypeResolver

public DiscoverableSubtypeResolver()

Constructs a subtype resolver which scans for subtypes of Discoverable.

DiscoverableSubtypeResolver

public DiscoverableSubtypeResolver(Class<?> rootKlass)

Constructs a subtype resolver which scans for subtypes of the provided class.

Parameters:

rootKlass - the class to choose the correct META-INF/services file from

Method Detail

getDiscoveredSubtypes

public List<Class<?>> getDiscoveredSubtypes()

Returns the subtypes discovered from the META-INF configuration file.

Returns:

a list of Class objects representing the subtypes

getClassLoader

protected ClassLoader getClassLoader()

Returns a ClassLoader from the current class.

Returns:

the current ClassLoader

discoverServices

protected List<Class<?>> discoverServices(Class<?> klass)

Discovers the services in the META-INF/services folder for the provided class.

Parameters:

klass - the class to lookup services

Returns:

the discovered services