lowentry.ue4.libs.jackson.databind.DeserializationConfig Maven / Gradle / Ivy
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package lowentry.ue4.libs.jackson.databind;
import java.util.*;
import lowentry.ue4.libs.jackson.core.*;
import lowentry.ue4.libs.jackson.core.json.JsonReadFeature;
import lowentry.ue4.libs.jackson.databind.cfg.*;
import lowentry.ue4.libs.jackson.databind.deser.DeserializationProblemHandler;
import lowentry.ue4.libs.jackson.databind.introspect.*;
import lowentry.ue4.libs.jackson.databind.jsontype.*;
import lowentry.ue4.libs.jackson.databind.node.JsonNodeFactory;
import lowentry.ue4.libs.jackson.databind.util.LinkedNode;
import lowentry.ue4.libs.jackson.databind.util.RootNameLookup;
/**
* Object that contains baseline configuration for deserialization
* process. An instance is owned by {@link ObjectMapper}, which
* passes an immutable instance to be used for deserialization process.
*
* Note that instances are considered immutable and as such no copies
* should need to be created for sharing; all copying is done with
* "fluent factory" methods.
*/
@SuppressWarnings("all")
public final class DeserializationConfig
extends MapperConfigBase
implements java.io.Serializable // since 2.1
{
// since 2.9
private static final long serialVersionUID = 2;
// since 2.10.1
private final static int DESER_FEATURE_DEFAULTS = collectFeatureDefaults(DeserializationFeature.class);
/*
/**********************************************************
/* Configured helper objects
/**********************************************************
*/
/**
* Linked list that contains all registered problem handlers.
* Implementation as front-added linked list allows for sharing
* of the list (tail) without copying the list.
*/
protected final LinkedNode _problemHandlers;
/**
* Factory used for constructing {@link lowentry.ue4.libs.jackson.databind.JsonNode} instances.
*/
protected final JsonNodeFactory _nodeFactory;
/*
/**********************************************************
/* Deserialization features
/**********************************************************
*/
/**
* Set of {@link DeserializationFeature}s enabled.
*/
protected final int _deserFeatures;
/*
/**********************************************************
/* Parser features: generic, format-specific
/**********************************************************
*/
/**
* States of {@link lowentry.ue4.libs.jackson.core.JsonParser.Feature}s to enable/disable.
*/
protected final int _parserFeatures;
/**
* Bitflag of {@link lowentry.ue4.libs.jackson.core.JsonParser.Feature}s to enable/disable
*/
protected final int _parserFeaturesToChange;
/**
* States of {@link lowentry.ue4.libs.jackson.core.FormatFeature}s to enable/disable.
*
* @since 2.7
*/
protected final int _formatReadFeatures;
/**
* Bitflag of {@link lowentry.ue4.libs.jackson.core.FormatFeature}s to enable/disable
*
* @since 2.7
*/
protected final int _formatReadFeaturesToChange;
/*
/**********************************************************
/* Life-cycle, primary constructors for new instances
/**********************************************************
*/
/**
* Constructor used by ObjectMapper to create default configuration object instance.
*/
public DeserializationConfig(BaseSettings base,
SubtypeResolver str, SimpleMixInResolver mixins, RootNameLookup rootNames,
ConfigOverrides configOverrides)
{
super(base, str, mixins, rootNames, configOverrides);
_deserFeatures = DESER_FEATURE_DEFAULTS;
_nodeFactory = JsonNodeFactory.instance;
_problemHandlers = null;
_parserFeatures = 0;
_parserFeaturesToChange = 0;
_formatReadFeatures = 0;
_formatReadFeaturesToChange = 0;
}
/**
* Copy-constructor used for making a copy used by new {@link ObjectMapper}.
*
* @since 2.9
*/
protected DeserializationConfig(DeserializationConfig src,
SimpleMixInResolver mixins, RootNameLookup rootNames,
ConfigOverrides configOverrides)
{
super(src, mixins, rootNames, configOverrides);
_deserFeatures = src._deserFeatures;
_problemHandlers = src._problemHandlers;
_nodeFactory = src._nodeFactory;
_parserFeatures = src._parserFeatures;
_parserFeaturesToChange = src._parserFeaturesToChange;
_formatReadFeatures = src._formatReadFeatures;
_formatReadFeaturesToChange = src._formatReadFeaturesToChange;
}
/*
/**********************************************************
/* Life-cycle, secondary constructors to support
/* "mutant factories", with single property changes
/**********************************************************
*/
private DeserializationConfig(DeserializationConfig src,
int mapperFeatures, int deserFeatures,
int parserFeatures, int parserFeatureMask,
int formatFeatures, int formatFeatureMask)
{
super(src, mapperFeatures);
_deserFeatures = deserFeatures;
_nodeFactory = src._nodeFactory;
_problemHandlers = src._problemHandlers;
_parserFeatures = parserFeatures;
_parserFeaturesToChange = parserFeatureMask;
_formatReadFeatures = formatFeatures;
_formatReadFeaturesToChange = formatFeatureMask;
}
/**
* Copy constructor used to create a non-shared instance with given mix-in
* annotation definitions and subtype resolver.
*/
private DeserializationConfig(DeserializationConfig src, SubtypeResolver str)
{
super(src, str);
_deserFeatures = src._deserFeatures;
_nodeFactory = src._nodeFactory;
_problemHandlers = src._problemHandlers;
_parserFeatures = src._parserFeatures;
_parserFeaturesToChange = src._parserFeaturesToChange;
_formatReadFeatures = src._formatReadFeatures;
_formatReadFeaturesToChange = src._formatReadFeaturesToChange;
}
private DeserializationConfig(DeserializationConfig src, BaseSettings base)
{
super(src, base);
_deserFeatures = src._deserFeatures;
_nodeFactory = src._nodeFactory;
_problemHandlers = src._problemHandlers;
_parserFeatures = src._parserFeatures;
_parserFeaturesToChange = src._parserFeaturesToChange;
_formatReadFeatures = src._formatReadFeatures;
_formatReadFeaturesToChange = src._formatReadFeaturesToChange;
}
private DeserializationConfig(DeserializationConfig src, JsonNodeFactory f)
{
super(src);
_deserFeatures = src._deserFeatures;
_problemHandlers = src._problemHandlers;
_nodeFactory = f;
_parserFeatures = src._parserFeatures;
_parserFeaturesToChange = src._parserFeaturesToChange;
_formatReadFeatures = src._formatReadFeatures;
_formatReadFeaturesToChange = src._formatReadFeaturesToChange;
}
private DeserializationConfig(DeserializationConfig src,
LinkedNode problemHandlers)
{
super(src);
_deserFeatures = src._deserFeatures;
_problemHandlers = problemHandlers;
_nodeFactory = src._nodeFactory;
_parserFeatures = src._parserFeatures;
_parserFeaturesToChange = src._parserFeaturesToChange;
_formatReadFeatures = src._formatReadFeatures;
_formatReadFeaturesToChange = src._formatReadFeaturesToChange;
}
private DeserializationConfig(DeserializationConfig src, PropertyName rootName)
{
super(src, rootName);
_deserFeatures = src._deserFeatures;
_problemHandlers = src._problemHandlers;
_nodeFactory = src._nodeFactory;
_parserFeatures = src._parserFeatures;
_parserFeaturesToChange = src._parserFeaturesToChange;
_formatReadFeatures = src._formatReadFeatures;
_formatReadFeaturesToChange = src._formatReadFeaturesToChange;
}
private DeserializationConfig(DeserializationConfig src, Class view)
{
super(src, view);
_deserFeatures = src._deserFeatures;
_problemHandlers = src._problemHandlers;
_nodeFactory = src._nodeFactory;
_parserFeatures = src._parserFeatures;
_parserFeaturesToChange = src._parserFeaturesToChange;
_formatReadFeatures = src._formatReadFeatures;
_formatReadFeaturesToChange = src._formatReadFeaturesToChange;
}
protected DeserializationConfig(DeserializationConfig src, ContextAttributes attrs)
{
super(src, attrs);
_deserFeatures = src._deserFeatures;
_problemHandlers = src._problemHandlers;
_nodeFactory = src._nodeFactory;
_parserFeatures = src._parserFeatures;
_parserFeaturesToChange = src._parserFeaturesToChange;
_formatReadFeatures = src._formatReadFeatures;
_formatReadFeaturesToChange = src._formatReadFeaturesToChange;
}
protected DeserializationConfig(DeserializationConfig src, SimpleMixInResolver mixins)
{
super(src, mixins);
_deserFeatures = src._deserFeatures;
_problemHandlers = src._problemHandlers;
_nodeFactory = src._nodeFactory;
_parserFeatures = src._parserFeatures;
_parserFeaturesToChange = src._parserFeaturesToChange;
_formatReadFeatures = src._formatReadFeatures;
_formatReadFeaturesToChange = src._formatReadFeaturesToChange;
}
// for unit tests only:
protected BaseSettings getBaseSettings() { return _base; }
/*
/**********************************************************
/* Life-cycle, general factory methods from MapperConfig(Base)
/**********************************************************
*/
@Override // since 2.9
protected final DeserializationConfig _withBase(BaseSettings newBase) {
return (_base == newBase) ? this : new DeserializationConfig(this, newBase);
}
@Override // since 2.9
protected final DeserializationConfig _withMapperFeatures(int mapperFeatures) {
return new DeserializationConfig(this, mapperFeatures, _deserFeatures,
_parserFeatures, _parserFeaturesToChange,
_formatReadFeatures, _formatReadFeaturesToChange);
}
/*
/**********************************************************
/* Life-cycle, specific factory methods from MapperConfig
/**********************************************************
*/
@Override
public DeserializationConfig with(SubtypeResolver str) {
return (_subtypeResolver == str) ? this : new DeserializationConfig(this, str);
}
@Override
public DeserializationConfig withRootName(PropertyName rootName) {
if (rootName == null) {
if (_rootName == null) {
return this;
}
} else if (rootName.equals(_rootName)) {
return this;
}
return new DeserializationConfig(this, rootName);
}
@Override
public DeserializationConfig withView(Class view) {
return (_view == view) ? this : new DeserializationConfig(this, view);
}
@Override
public DeserializationConfig with(ContextAttributes attrs) {
return (attrs == _attributes) ? this : new DeserializationConfig(this, attrs);
}
/*
/**********************************************************
/* Life-cycle, DeserializationFeature-based factory methods
/**********************************************************
*/
/**
* Fluent factory method that will construct and return a new configuration
* object instance with specified features enabled.
*/
public DeserializationConfig with(DeserializationFeature feature)
{
int newDeserFeatures = (_deserFeatures | feature.getMask());
return (newDeserFeatures == _deserFeatures) ? this :
new DeserializationConfig(this, _mapperFeatures, newDeserFeatures,
_parserFeatures, _parserFeaturesToChange,
_formatReadFeatures, _formatReadFeaturesToChange);
}
/**
* Fluent factory method that will construct and return a new configuration
* object instance with specified features enabled.
*/
public DeserializationConfig with(DeserializationFeature first,
DeserializationFeature... features)
{
int newDeserFeatures = _deserFeatures | first.getMask();
for (DeserializationFeature f : features) {
newDeserFeatures |= f.getMask();
}
return (newDeserFeatures == _deserFeatures) ? this :
new DeserializationConfig(this, _mapperFeatures, newDeserFeatures,
_parserFeatures, _parserFeaturesToChange,
_formatReadFeatures, _formatReadFeaturesToChange);
}
/**
* Fluent factory method that will construct and return a new configuration
* object instance with specified features enabled.
*/
public DeserializationConfig withFeatures(DeserializationFeature... features)
{
int newDeserFeatures = _deserFeatures;
for (DeserializationFeature f : features) {
newDeserFeatures |= f.getMask();
}
return (newDeserFeatures == _deserFeatures) ? this :
new DeserializationConfig(this, _mapperFeatures, newDeserFeatures,
_parserFeatures, _parserFeaturesToChange,
_formatReadFeatures, _formatReadFeaturesToChange);
}
/**
* Fluent factory method that will construct and return a new configuration
* object instance with specified feature disabled.
*/
public DeserializationConfig without(DeserializationFeature feature)
{
int newDeserFeatures = _deserFeatures & ~feature.getMask();
return (newDeserFeatures == _deserFeatures) ? this :
new DeserializationConfig(this, _mapperFeatures, newDeserFeatures,
_parserFeatures, _parserFeaturesToChange,
_formatReadFeatures, _formatReadFeaturesToChange);
}
/**
* Fluent factory method that will construct and return a new configuration
* object instance with specified features disabled.
*/
public DeserializationConfig without(DeserializationFeature first,
DeserializationFeature... features)
{
int newDeserFeatures = _deserFeatures & ~first.getMask();
for (DeserializationFeature f : features) {
newDeserFeatures &= ~f.getMask();
}
return (newDeserFeatures == _deserFeatures) ? this :
new DeserializationConfig(this, _mapperFeatures, newDeserFeatures,
_parserFeatures, _parserFeaturesToChange,
_formatReadFeatures, _formatReadFeaturesToChange);
}
/**
* Fluent factory method that will construct and return a new configuration
* object instance with specified features disabled.
*/
public DeserializationConfig withoutFeatures(DeserializationFeature... features)
{
int newDeserFeatures = _deserFeatures;
for (DeserializationFeature f : features) {
newDeserFeatures &= ~f.getMask();
}
return (newDeserFeatures == _deserFeatures) ? this :
new DeserializationConfig(this, _mapperFeatures, newDeserFeatures,
_parserFeatures, _parserFeaturesToChange,
_formatReadFeatures, _formatReadFeaturesToChange);
}
/*
/**********************************************************
/* Life-cycle, JsonParser.Feature-based factory methods
/**********************************************************
*/
/**
* Fluent factory method that will construct and return a new configuration
* object instance with specified features enabled.
*
* @since 2.5
*/
public DeserializationConfig with(JsonParser.Feature feature)
{
int newSet = _parserFeatures | feature.getMask();
int newMask = _parserFeaturesToChange | feature.getMask();
return ((_parserFeatures == newSet) && (_parserFeaturesToChange == newMask)) ? this :
new DeserializationConfig(this, _mapperFeatures, _deserFeatures,
newSet, newMask,
_formatReadFeatures, _formatReadFeaturesToChange);
}
/**
* Fluent factory method that will construct and return a new configuration
* object instance with specified features enabled.
*
* @since 2.5
*/
public DeserializationConfig withFeatures(JsonParser.Feature... features)
{
int newSet = _parserFeatures;
int newMask = _parserFeaturesToChange;
for (JsonParser.Feature f : features) {
int mask = f.getMask();
newSet |= mask;
newMask |= mask;
}
return ((_parserFeatures == newSet) && (_parserFeaturesToChange == newMask)) ? this :
new DeserializationConfig(this, _mapperFeatures, _deserFeatures,
newSet, newMask,
_formatReadFeatures, _formatReadFeaturesToChange);
}
/**
* Fluent factory method that will construct and return a new configuration
* object instance with specified feature disabled.
*
* @since 2.5
*/
public DeserializationConfig without(JsonParser.Feature feature)
{
int newSet = _parserFeatures & ~feature.getMask();
int newMask = _parserFeaturesToChange | feature.getMask();
return ((_parserFeatures == newSet) && (_parserFeaturesToChange == newMask)) ? this :
new DeserializationConfig(this, _mapperFeatures, _deserFeatures,
newSet, newMask,
_formatReadFeatures, _formatReadFeaturesToChange);
}
/**
* Fluent factory method that will construct and return a new configuration
* object instance with specified features disabled.
*
* @since 2.5
*/
public DeserializationConfig withoutFeatures(JsonParser.Feature... features)
{
int newSet = _parserFeatures;
int newMask = _parserFeaturesToChange;
for (JsonParser.Feature f : features) {
int mask = f.getMask();
newSet &= ~mask;
newMask |= mask;
}
return ((_parserFeatures == newSet) && (_parserFeaturesToChange == newMask)) ? this :
new DeserializationConfig(this, _mapperFeatures, _deserFeatures,
newSet, newMask,
_formatReadFeatures, _formatReadFeaturesToChange);
}
/*
/**********************************************************
/* Life-cycle, JsonParser.FormatFeature-based factory methods
/**********************************************************
*/
/**
* Fluent factory method that will construct and return a new configuration
* object instance with specified features enabled.
*
* @since 2.7
*/
public DeserializationConfig with(FormatFeature feature)
{
// 08-Oct-2018, tatu: Alas, complexity due to newly (2.10) refactored json-features:
if (feature instanceof JsonReadFeature) {
return _withJsonReadFeatures(feature);
}
int newSet = _formatReadFeatures | feature.getMask();
int newMask = _formatReadFeaturesToChange | feature.getMask();
return ((_formatReadFeatures == newSet) && (_formatReadFeaturesToChange == newMask)) ? this :
new DeserializationConfig(this, _mapperFeatures, _deserFeatures,
_parserFeatures, _parserFeaturesToChange,
newSet, newMask);
}
/**
* Fluent factory method that will construct and return a new configuration
* object instance with specified features enabled.
*
* @since 2.7
*/
public DeserializationConfig withFeatures(FormatFeature... features)
{
// 08-Oct-2018, tatu: Alas, complexity due to newly (2.10) refactored json-features:
if (features.length > 0 && (features[0] instanceof JsonReadFeature)) {
return _withJsonReadFeatures(features);
}
int newSet = _formatReadFeatures;
int newMask = _formatReadFeaturesToChange;
for (FormatFeature f : features) {
int mask = f.getMask();
newSet |= mask;
newMask |= mask;
}
return ((_formatReadFeatures == newSet) && (_formatReadFeaturesToChange == newMask)) ? this :
new DeserializationConfig(this, _mapperFeatures, _deserFeatures,
_parserFeatures, _parserFeaturesToChange,
newSet, newMask);
}
/**
* Fluent factory method that will construct and return a new configuration
* object instance with specified feature disabled.
*
* @since 2.7
*/
public DeserializationConfig without(FormatFeature feature)
{
// 08-Oct-2018, tatu: Alas, complexity due to newly (2.10) refactored json-features:
if (feature instanceof JsonReadFeature) {
return _withoutJsonReadFeatures(feature);
}
int newSet = _formatReadFeatures & ~feature.getMask();
int newMask = _formatReadFeaturesToChange | feature.getMask();
return ((_formatReadFeatures == newSet) && (_formatReadFeaturesToChange == newMask)) ? this :
new DeserializationConfig(this, _mapperFeatures, _deserFeatures,
_parserFeatures, _parserFeaturesToChange,
newSet, newMask);
}
/**
* Fluent factory method that will construct and return a new configuration
* object instance with specified features disabled.
*
* @since 2.7
*/
public DeserializationConfig withoutFeatures(FormatFeature... features)
{
// 08-Oct-2018, tatu: Alas, complexity due to newly (2.10) refactored json-features:
if (features.length > 0 && (features[0] instanceof JsonReadFeature)) {
return _withoutJsonReadFeatures(features);
}
int newSet = _formatReadFeatures;
int newMask = _formatReadFeaturesToChange;
for (FormatFeature f : features) {
int mask = f.getMask();
newSet &= ~mask;
newMask |= mask;
}
return ((_formatReadFeatures == newSet) && (_formatReadFeaturesToChange == newMask)) ? this :
new DeserializationConfig(this, _mapperFeatures, _deserFeatures,
_parserFeatures, _parserFeaturesToChange,
newSet, newMask);
}
// temporary for 2.10
private DeserializationConfig _withJsonReadFeatures(FormatFeature... features) {
int parserSet = _parserFeatures;
int parserMask = _parserFeaturesToChange;
int newSet = _formatReadFeatures;
int newMask = _formatReadFeaturesToChange;
for (FormatFeature f : features) {
final int mask = f.getMask();
newSet |= mask;
newMask |= mask;
if (f instanceof JsonReadFeature) {
JsonParser.Feature oldF = ((JsonReadFeature) f).mappedFeature();
if (oldF != null) {
final int pmask = oldF.getMask();
parserSet |= pmask;
parserMask |= pmask;
}
}
}
return ((_formatReadFeatures == newSet) && (_formatReadFeaturesToChange == newMask)
&& (_parserFeatures == parserSet) && (_parserFeaturesToChange == parserMask)
) ? this :
new DeserializationConfig(this, _mapperFeatures, _deserFeatures,
parserSet, parserMask, newSet, newMask);
}
// temporary for 2.10
private DeserializationConfig _withoutJsonReadFeatures(FormatFeature... features) {
int parserSet = _parserFeatures;
int parserMask = _parserFeaturesToChange;
int newSet = _formatReadFeatures;
int newMask = _formatReadFeaturesToChange;
for (FormatFeature f : features) {
final int mask = f.getMask();
newSet &= ~mask;
newMask |= mask;
if (f instanceof JsonReadFeature) {
JsonParser.Feature oldF = ((JsonReadFeature) f).mappedFeature();
if (oldF != null) {
final int pmask = oldF.getMask();
parserSet &= ~pmask;
parserMask |= pmask;
}
}
}
return ((_formatReadFeatures == newSet) && (_formatReadFeaturesToChange == newMask)
&& (_parserFeatures == parserSet) && (_parserFeaturesToChange == parserMask)
) ? this :
new DeserializationConfig(this, _mapperFeatures, _deserFeatures,
parserSet, parserMask, newSet, newMask);
}
/*
/**********************************************************
/* Life-cycle, deserialization-specific factory methods
/**********************************************************
*/
/**
* Fluent factory method that will construct a new instance with
* specified {@link JsonNodeFactory}
*/
public DeserializationConfig with(JsonNodeFactory f) {
if (_nodeFactory == f) {
return this;
}
return new DeserializationConfig(this, f);
}
/**
* Method that can be used to add a handler that can (try to)
* resolve non-fatal deserialization problems.
*/
public DeserializationConfig withHandler(DeserializationProblemHandler h)
{
// Sanity check: let's prevent adding same handler multiple times
if (LinkedNode.contains(_problemHandlers, h)) {
return this;
}
return new DeserializationConfig(this,
new LinkedNode(h, _problemHandlers));
}
/**
* Method for removing all configured problem handlers; usually done to replace
* existing handler(s) with different one(s)
*/
public DeserializationConfig withNoProblemHandlers() {
if (_problemHandlers == null) {
return this;
}
return new DeserializationConfig(this,
(LinkedNode) null);
}
/*
/**********************************************************
/* JsonParser initialization
/**********************************************************
*/
/**
* Method called by {@link ObjectMapper} and {@link ObjectReader}
* to modify those {@link lowentry.ue4.libs.jackson.core.JsonParser.Feature} settings
* that have been configured via this config instance.
*
* @since 2.5
*/
public void initialize(JsonParser p) {
if (_parserFeaturesToChange != 0) {
p.overrideStdFeatures(_parserFeatures, _parserFeaturesToChange);
}
if (_formatReadFeaturesToChange != 0) {
p.overrideFormatFeatures(_formatReadFeatures, _formatReadFeaturesToChange);
}
}
/*
/**********************************************************
/* MapperConfig implementation/overrides: other
/**********************************************************
*/
@Override
public boolean useRootWrapping()
{
if (_rootName != null) { // empty String disables wrapping; non-empty enables
return !_rootName.isEmpty();
}
return isEnabled(DeserializationFeature.UNWRAP_ROOT_VALUE);
}
public final boolean isEnabled(DeserializationFeature f) {
return (_deserFeatures & f.getMask()) != 0;
}
public final boolean isEnabled(JsonParser.Feature f, JsonFactory factory) {
int mask = f.getMask();
if ((_parserFeaturesToChange & mask) != 0) {
return (_parserFeatures & f.getMask()) != 0;
}
return factory.isEnabled(f);
}
/**
* Bulk access method for checking that all features specified by
* mask are enabled.
*
* @since 2.3
*/
public final boolean hasDeserializationFeatures(int featureMask) {
return (_deserFeatures & featureMask) == featureMask;
}
/**
* Bulk access method for checking that at least one of features specified by
* mask is enabled.
*
* @since 2.6
*/
public final boolean hasSomeOfFeatures(int featureMask) {
return (_deserFeatures & featureMask) != 0;
}
/**
* Bulk access method for getting the bit mask of all {@link DeserializationFeature}s
* that are enabled.
*/
public final int getDeserializationFeatures() {
return _deserFeatures;
}
/**
* Convenience method equivalant to:
*
* isEnabled(DeserializationFeature.FAIL_ON_TRAILING_TOKENS)
*
*
* @since 2.9
*/
public final boolean requiresFullValue() {
return DeserializationFeature.FAIL_ON_TRAILING_TOKENS.enabledIn(_deserFeatures);
}
/*
/**********************************************************
/* Other configuration
/**********************************************************
*/
/**
* Method for getting head of the problem handler chain. May be null,
* if no handlers have been added.
*/
public LinkedNode getProblemHandlers() {
return _problemHandlers;
}
public final JsonNodeFactory getNodeFactory() {
return _nodeFactory;
}
/*
/**********************************************************
/* Introspection methods
/**********************************************************
*/
/**
* Method that will introspect full bean properties for the purpose
* of building a bean deserializer
*
* @param type Type of class to be introspected
*/
@SuppressWarnings("unchecked")
public T introspect(JavaType type) {
return (T) getClassIntrospector().forDeserialization(this, type, this);
}
/**
* Method that will introspect subset of bean properties needed to
* construct bean instance.
*/
@SuppressWarnings("unchecked")
public T introspectForCreation(JavaType type) {
return (T) getClassIntrospector().forCreation(this, type, this);
}
/**
* @since 2.0
*/
@SuppressWarnings("unchecked")
public T introspectForBuilder(JavaType type) {
return (T) getClassIntrospector().forDeserializationWithBuilder(this, type, this);
}
/*
/**********************************************************
/* Support for polymorphic type handling
/**********************************************************
*/
/**
* Helper method that is needed to properly handle polymorphic referenced
* types, such as types referenced by {@link java.util.concurrent.atomic.AtomicReference},
* or various "optional" types.
*
* @since 2.4
*/
public TypeDeserializer findTypeDeserializer(JavaType baseType)
throws JsonMappingException
{
BeanDescription bean = introspectClassAnnotations(baseType.getRawClass());
AnnotatedClass ac = bean.getClassInfo();
TypeResolverBuilder b = getAnnotationIntrospector().findTypeResolver(this, ac, baseType);
/* Ok: if there is no explicit type info handler, we may want to
* use a default. If so, config object knows what to use.
*/
Collection subtypes = null;
if (b == null) {
b = getDefaultTyper(baseType);
if (b == null) {
return null;
}
} else {
subtypes = getSubtypeResolver().collectAndResolveSubtypesByTypeId(this, ac);
}
return b.buildTypeDeserializer(this, baseType, subtypes);
}
}