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Data Mapper package is a high-performance data binding package built on Jackson JSON processor

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package org.codehaus.jackson.map;

import java.text.DateFormat;
import java.util.*;

import org.codehaus.jackson.Base64Variant;
import org.codehaus.jackson.Base64Variants;
import org.codehaus.jackson.annotate.*;
import org.codehaus.jackson.annotate.JsonAutoDetect.Visibility;
import org.codehaus.jackson.map.deser.ValueInstantiator;
import org.codehaus.jackson.map.introspect.Annotated;
import org.codehaus.jackson.map.introspect.AnnotatedClass;
import org.codehaus.jackson.map.introspect.NopAnnotationIntrospector;
import org.codehaus.jackson.map.introspect.VisibilityChecker;
import org.codehaus.jackson.map.jsontype.SubtypeResolver;
import org.codehaus.jackson.map.jsontype.TypeResolverBuilder;
import org.codehaus.jackson.map.type.ClassKey;
import org.codehaus.jackson.map.type.TypeFactory;
import org.codehaus.jackson.map.util.ClassUtil;
import org.codehaus.jackson.map.util.LinkedNode;
import org.codehaus.jackson.node.JsonNodeFactory;
import org.codehaus.jackson.type.JavaType;

/**
 * Object that contains baseline configuration for deserialization
 * process. An instance is owned by {@link ObjectMapper}, which makes
 * a copy that is passed during serialization process to
 * {@link DeserializerProvider} and {@link DeserializerFactory}.
 *

* Note: although configuration settings can be changed at any time * (for factories and instances), they are not guaranteed to have * effect if called after constructing relevant mapper or deserializer * instance. This because some objects may be configured, constructed and * cached first time they are needed. *

* As of version 1.9, the goal is to make this class eventually immutable. * Because of this, existing methods that allow changing state of this * instance are deprecated in favor of methods that create new instances * with different configuration ("fluent factories") */ public class DeserializationConfig extends MapperConfig.Impl { /** * Enumeration that defines togglable features that guide * the serialization feature. */ public enum Feature implements MapperConfig.ConfigFeature { /* /****************************************************** * Introspection features /****************************************************** */ /** * Feature that determines whether annotation introspection * is used for configuration; if enabled, configured * {@link AnnotationIntrospector} will be used: if disabled, * no annotations are considered. *

* Feature is enabled by default. * * @since 1.2 */ USE_ANNOTATIONS(true), /** * Feature that determines whether "setter" methods are * automatically detected based on standard Bean naming convention * or not. If yes, then all public one-argument methods that * start with prefix "set" * are considered setters. If disabled, only methods explicitly * annotated are considered setters. *

* Note that this feature has lower precedence than per-class * annotations, and is only used if there isn't more granular * configuration available. *

* Feature is enabled by default. */ AUTO_DETECT_SETTERS(true), /** * Feature that determines whether "creator" methods are * automatically detected by consider public constructors, * and static single argument methods with name "valueOf". * If disabled, only methods explicitly annotated are considered * creator methods (except for the no-arg default constructor which * is always considered a factory method). *

* Note that this feature has lower precedence than per-class * annotations, and is only used if there isn't more granular * configuration available. *

* Feature is enabled by default. */ AUTO_DETECT_CREATORS(true), /** * Feature that determines whether non-static fields are recognized as * properties. * If yes, then all public member fields * are considered as properties. If disabled, only fields explicitly * annotated are considered property fields. *

* Note that this feature has lower precedence than per-class * annotations, and is only used if there isn't more granular * configuration available. *

* Feature is enabled by default. * * @since 1.1 */ AUTO_DETECT_FIELDS(true), /** * Feature that determines whether otherwise regular "getter" * methods (but only ones that handle Collections and Maps, * not getters of other type) * can be used for purpose of getting a reference to a Collection * and Map to modify the property, without requiring a setter * method. * This is similar to how JAXB framework sets Collections and * Maps: no setter is involved, just setter. *

* Note that such getters-as-setters methods have lower * precedence than setters, so they are only used if no * setter is found for the Map/Collection property. *

* Feature is enabled by default. */ USE_GETTERS_AS_SETTERS(true), /** * Feature that determines whether method and field access * modifier settings can be overridden when accessing * properties. If enabled, method * {@link java.lang.reflect.AccessibleObject#setAccessible} * may be called to enable access to otherwise unaccessible * objects. */ CAN_OVERRIDE_ACCESS_MODIFIERS(true), /* /****************************************************** /* Type conversion features /****************************************************** */ /** * Feature that determines whether Json floating point numbers * are to be deserialized into {@link java.math.BigDecimal}s * if only generic type description (either {@link Object} or * {@link Number}, or within untyped {@link java.util.Map} * or {@link java.util.Collection} context) is available. * If enabled such values will be deserialized as {@link java.math.BigDecimal}s; * if disabled, will be deserialized as {@link Double}s. *

* Feature is disabled by default, meaning that "untyped" floating * point numbers will by default be deserialized as {@link Double}s * (choice is for performance reason -- BigDecimals are slower than * Doubles) */ USE_BIG_DECIMAL_FOR_FLOATS(false), /** * Feature that determines whether Json integral (non-floating-point) * numbers are to be deserialized into {@link java.math.BigInteger}s * if only generic type description (either {@link Object} or * {@link Number}, or within untyped {@link java.util.Map} * or {@link java.util.Collection} context) is available. * If enabled such values will be deserialized as * {@link java.math.BigInteger}s; * if disabled, will be deserialized as "smallest" available type, * which is either {@link Integer}, {@link Long} or * {@link java.math.BigInteger}, depending on number of digits. *

* Feature is disabled by default, meaning that "untyped" floating * point numbers will by default be deserialized using whatever * is the most compact integral type, to optimize efficiency. */ USE_BIG_INTEGER_FOR_INTS(false), // [JACKSON-652] /** * Feature that determines whether JSON Array is mapped to * Object[] or List<Object> when binding * "untyped" objects (ones with nominal type of java.lang.Object). * If true, binds as Object[]; if false, as List<Object>. *

* Feature is disabled by default, meaning that JSON arrays are bound as * {@link java.util.List}s. * * @since 1.9 */ USE_JAVA_ARRAY_FOR_JSON_ARRAY(false), /** * Feature that determines standard deserialization mechanism used for * Enum values: if enabled, Enums are assumed to have been serialized using * return value of Enum.toString(); * if disabled, return value of Enum.name() is assumed to have been used. * Since pre-1.6 method was to use Enum name, this is the default. *

* Note: this feature should usually have same value * as {@link SerializationConfig.Feature#WRITE_ENUMS_USING_TO_STRING}. *

* For further details, check out [JACKSON-212] * * @since 1.6 */ READ_ENUMS_USING_TO_STRING(false), /* /****************************************************** * Error handling features /****************************************************** */ /** * Feature that determines whether encountering of unknown * properties (ones that do not map to a property, and there is * no "any setter" or handler that can handle it) * should result in a failure (by throwing a * {@link JsonMappingException}) or not. * This setting only takes effect after all other handling * methods for unknown properties have been tried, and * property remains unhandled. *

* Feature is enabled by default, meaning that * {@link JsonMappingException} is thrown if an unknown property * is encountered. This is the implicit default prior to * introduction of the feature. * * @since 1.2 */ FAIL_ON_UNKNOWN_PROPERTIES(true), /** * Feature that determines whether encountering of JSON null * is an error when deserializing into Java primitive types * (like 'int' or 'double'). If it is, a JsonProcessingException * is thrown to indicate this; if not, default value is used * (0 for 'int', 0.0 for double, same defaulting as what JVM uses). *

* Feature is disabled by default (to be consistent with behavior * of Jackson 1.6), * i.e. to allow use of nulls for primitive properties. * * @since 1.7 */ FAIL_ON_NULL_FOR_PRIMITIVES(false), /** * Feature that determines whether JSON integer numbers are valid * values to be used for deserializing Java enum values. * If set to 'false' numbers are acceptable and are used to map to * ordinal() of matching enumeration value; if 'true', numbers are * not allowed and a {@link JsonMappingException} will be thrown. * Latter behavior makes sense if there is concern that accidental * mapping from integer values to enums might happen (and when enums * are always serialized as JSON Strings) *

* Feature is disabled by default (to be consistent with behavior * of Jackson 1.6), * i.e. to allow use of JSON integers for Java enums. * * @since 1.7 */ FAIL_ON_NUMBERS_FOR_ENUMS(false), /** * Feature that determines whether Jackson code should catch * and wrap {@link Exception}s (but never {@link Error}s!) * to add additional information about * location (within input) of problem or not. If enabled, * most exceptions will be caught and re-thrown (exception * specifically being that {@link java.io.IOException}s may be passed * as is, since they are declared as throwable); this can be * convenient both in that all exceptions will be checked and * declared, and so there is more contextual information. * However, sometimes calling application may just want "raw" * unchecked exceptions passed as is. *

* Feature is enabled by default, and is similar in behavior * to default prior to 1.7. * * @since 1.7 */ WRAP_EXCEPTIONS(true), /* /****************************************************** * Structural conversion features /****************************************************** */ /** * Feature that determines whether it is acceptable to coerce non-array * (in JSON) values to work with Java collection (arrays, java.util.Collection) * types. If enabled, collection deserializers will try to handle non-array * values as if they had "implicit" surrounding JSON array. * This feature is meant to be used for compatibility/interoperability reasons, * to work with packages (such as XML-to-JSON converters) that leave out JSON * array in cases where there is just a single element in array. * * @since 1.8 */ ACCEPT_SINGLE_VALUE_AS_ARRAY(false), /** * Feature to allow "unwrapping" root-level JSON value, to match setting of * {@link SerializationConfig.Feature#WRAP_ROOT_VALUE} used for serialization. * Will verify that the root JSON value is a JSON Object, and that it has * a single property with expected root name. If not, a * {@link JsonMappingException} is thrown; otherwise value of the wrapped property * will be deserialized as if it was the root value. * * @since 1.9 */ UNWRAP_ROOT_VALUE(false), /* /****************************************************** * Value conversion features /****************************************************** */ /** * Feature that can be enabled to allow JSON empty String * value ("") to be bound to POJOs as null. * If disabled, standard POJOs can only be bound from JSON null or * JSON Object (standard meaning that no custom deserializers or * constructors are defined; both of which can add support for other * kinds of JSON values); if enable, empty JSON String can be taken * to be equivalent of JSON null. * * @since 1.8 */ ACCEPT_EMPTY_STRING_AS_NULL_OBJECT(false) ; final boolean _defaultState; private Feature(boolean defaultState) { _defaultState = defaultState; } @Override public boolean enabledByDefault() { return _defaultState; } @Override public int getMask() { return (1 << ordinal()); } } /* /********************************************************** /* Configuration settings for deserialization /********************************************************** */ /** * 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 LinkedNode _problemHandlers; /** * Factory used for constructing {@link org.codehaus.jackson.JsonNode} instances. * * @since 1.6 */ protected final JsonNodeFactory _nodeFactory; /** * Feature flag from {@link SerializationConfig} which is needed to * know if serializer will by default sort properties in * alphabetic order. *

* Note that although this property is not marked as final, * it is handled like it was, except for the fact that it is * assigned with a call to {@link #passSerializationFeatures} * instead of constructor. * * @since 1.9 */ protected boolean _sortPropertiesAlphabetically; /* /********************************************************** /* Life-cycle, constructors /********************************************************** */ /** * Constructor used by ObjectMapper to create default configuration object instance. */ public DeserializationConfig(ClassIntrospector intr, AnnotationIntrospector annIntr, VisibilityChecker vc, SubtypeResolver subtypeResolver, PropertyNamingStrategy propertyNamingStrategy, TypeFactory typeFactory, HandlerInstantiator handlerInstantiator) { super(intr, annIntr, vc, subtypeResolver, propertyNamingStrategy, typeFactory, handlerInstantiator, collectFeatureDefaults(DeserializationConfig.Feature.class)); _nodeFactory = JsonNodeFactory.instance; } /** * @since 1.8 */ protected DeserializationConfig(DeserializationConfig src) { this(src, src._base); } /** * Copy constructor used to create a non-shared instance with given mix-in * annotation definitions and subtype resolver. * * @since 1.8 */ private DeserializationConfig(DeserializationConfig src, HashMap> mixins, SubtypeResolver str) { this(src, src._base); _mixInAnnotations = mixins; _subtypeResolver = str; } /** * @since 1.8 */ protected DeserializationConfig(DeserializationConfig src, MapperConfig.Base base) { super(src, base, src._subtypeResolver); _problemHandlers = src._problemHandlers; _nodeFactory = src._nodeFactory; _sortPropertiesAlphabetically = src._sortPropertiesAlphabetically; } /** * @since 1.8 */ protected DeserializationConfig(DeserializationConfig src, JsonNodeFactory f) { super(src); _problemHandlers = src._problemHandlers; _nodeFactory = f; _sortPropertiesAlphabetically = src._sortPropertiesAlphabetically; } /** * @since 1.9 */ protected DeserializationConfig(DeserializationConfig src, int featureFlags) { super(src, featureFlags); _problemHandlers = src._problemHandlers; _nodeFactory = src._nodeFactory; _sortPropertiesAlphabetically = src._sortPropertiesAlphabetically; } /** * Helper method to be called right after creating a non-shared * instance, needed to pass state of feature(s) shared with * SerializationConfig. * * Since 1.9 */ protected DeserializationConfig passSerializationFeatures(int serializationFeatureFlags) { _sortPropertiesAlphabetically = (serializationFeatureFlags & SerializationConfig.Feature.SORT_PROPERTIES_ALPHABETICALLY.getMask()) != 0; return this; } /* /********************************************************** /* Life-cycle, factory methods from MapperConfig /********************************************************** */ @Override public DeserializationConfig withClassIntrospector(ClassIntrospector ci) { return new DeserializationConfig(this, _base.withClassIntrospector(ci)); } @Override public DeserializationConfig withAnnotationIntrospector(AnnotationIntrospector ai) { return new DeserializationConfig(this, _base.withAnnotationIntrospector(ai)); } @Override public DeserializationConfig withVisibilityChecker(VisibilityChecker vc) { return new DeserializationConfig(this, _base.withVisibilityChecker(vc)); } @Override public DeserializationConfig withVisibility(JsonMethod forMethod, JsonAutoDetect.Visibility visibility) { return new DeserializationConfig(this, _base.withVisibility(forMethod, visibility)); } @Override public DeserializationConfig withTypeResolverBuilder(TypeResolverBuilder trb) { return new DeserializationConfig(this, _base.withTypeResolverBuilder(trb)); } @Override public DeserializationConfig withSubtypeResolver(SubtypeResolver str) { DeserializationConfig cfg = new DeserializationConfig(this); cfg._subtypeResolver = str; return cfg; } @Override public DeserializationConfig withPropertyNamingStrategy(PropertyNamingStrategy pns) { return new DeserializationConfig(this, _base.withPropertyNamingStrategy(pns)); } @Override public DeserializationConfig withTypeFactory(TypeFactory tf) { return (tf == _base.getTypeFactory()) ? this : new DeserializationConfig(this, _base.withTypeFactory(tf)); } @Override public DeserializationConfig withDateFormat(DateFormat df) { return (df == _base.getDateFormat()) ? this : new DeserializationConfig(this, _base.withDateFormat(df)); } @Override public DeserializationConfig withHandlerInstantiator(HandlerInstantiator hi) { return (hi == _base.getHandlerInstantiator()) ? this : new DeserializationConfig(this, _base.withHandlerInstantiator(hi)); } @Override public DeserializationConfig withInsertedAnnotationIntrospector(AnnotationIntrospector ai) { return new DeserializationConfig(this, _base.withInsertedAnnotationIntrospector(ai)); } @Override public DeserializationConfig withAppendedAnnotationIntrospector(AnnotationIntrospector ai) { return new DeserializationConfig(this, _base.withAppendedAnnotationIntrospector(ai)); } /* /********************************************************** /* Life-cycle, deserialization-specific factory methods /********************************************************** */ /** * Fluent factory method that will construct a new instance with * specified {@link JsonNodeFactory} * * @since 1.8 */ public DeserializationConfig withNodeFactory(JsonNodeFactory f) { return new DeserializationConfig(this, f); } /** * Fluent factory method that will construct and return a new configuration * object instance with specified features enabled. * * @since 1.9 */ @Override public DeserializationConfig with(DeserializationConfig.Feature... features) { int flags = _featureFlags; for (Feature f : features) { flags |= f.getMask(); } return new DeserializationConfig(this, flags); } /** * Fluent factory method that will construct and return a new configuration * object instance with specified features disabled. * * @since 1.9 */ @Override public DeserializationConfig without(DeserializationConfig.Feature... features) { int flags = _featureFlags; for (Feature f : features) { flags &= ~f.getMask(); } return new DeserializationConfig(this, flags); } /* /********************************************************** /* MapperConfig implementation /********************************************************** */ /** * Method that checks class annotations that the argument Object has, * and modifies settings of this configuration object accordingly, * similar to how those annotations would affect actual value classes * annotated with them, but with global scope. Note that not all * annotations have global significance, and thus only subset of * Jackson annotations will have any effect. *

* Ones that are known to have effect are: *

    *
  • {@link JsonAutoDetect}
  • *
* * @param cls Class of which class annotations to use * for changing configuration settings * * @deprecated Since 1.9, it is preferably to explicitly configure * instances; this method also modifies existing instance which is * against immutable design goals of this class. */ @Deprecated @Override public void fromAnnotations(Class cls) { /* no class annotation for: * * - CAN_OVERRIDE_ACCESS_MODIFIERS * - USE_BIG_DECIMAL_FOR_FLOATS * - USE_BIG_INTEGER_FOR_INTS * - USE_GETTERS_AS_SETTERS */ /* 10-Jul-2009, tatu: Should be able to just pass null as * 'MixInResolver'; no mix-ins set at this point */ AnnotationIntrospector ai = getAnnotationIntrospector(); AnnotatedClass ac = AnnotatedClass.construct(cls, ai, null); // visibility checks handled via separate checker object... VisibilityChecker prevVc = getDefaultVisibilityChecker(); _base = _base.withVisibilityChecker(ai.findAutoDetectVisibility(ac, prevVc)); } /** * Method that is called to create a non-shared copy of the configuration * to be used for a deserialization operation. * Note that if sub-classing * and sub-class has additional instance methods, * this method must be overridden to produce proper sub-class * instance. */ @Override public DeserializationConfig createUnshared(SubtypeResolver subtypeResolver) { HashMap> mixins = _mixInAnnotations; // ensure that we assume sharing at this point: _mixInAnnotationsShared = true; return new DeserializationConfig(this, mixins, subtypeResolver); } /** * Method for getting {@link AnnotationIntrospector} configured * to introspect annotation values used for configuration. */ @Override public AnnotationIntrospector getAnnotationIntrospector() { /* 29-Jul-2009, tatu: it's now possible to disable use of * annotations; can be done using "no-op" introspector */ if (isEnabled(Feature.USE_ANNOTATIONS)) { return super.getAnnotationIntrospector(); } return NopAnnotationIntrospector.instance; } /** * Accessor for getting bean description that only contains class * annotations: useful if no getter/setter/creator information is needed. *

* Note: part of {@link MapperConfig} since 1.7 */ @SuppressWarnings("unchecked") @Override public T introspectClassAnnotations(JavaType type) { return (T) getClassIntrospector().forClassAnnotations(this, type, this); } /** * Accessor for getting bean description that only contains immediate class * annotations: ones from the class, and its direct mix-in, if any, but * not from super types. *

* Note: part of {@link MapperConfig} since 1.7 */ @Override @SuppressWarnings("unchecked") public T introspectDirectClassAnnotations(JavaType type) { return (T) getClassIntrospector().forDirectClassAnnotations(this, type, this); } @Override public boolean isAnnotationProcessingEnabled() { return isEnabled(Feature.USE_ANNOTATIONS); } @Override public boolean canOverrideAccessModifiers() { return isEnabled(Feature.CAN_OVERRIDE_ACCESS_MODIFIERS); } @Override public boolean shouldSortPropertiesAlphabetically() { return _sortPropertiesAlphabetically; } @Override public VisibilityChecker getDefaultVisibilityChecker() { VisibilityChecker vchecker = super.getDefaultVisibilityChecker(); if (!isEnabled(DeserializationConfig.Feature.AUTO_DETECT_SETTERS)) { vchecker = vchecker.withSetterVisibility(Visibility.NONE); } if (!isEnabled(DeserializationConfig.Feature.AUTO_DETECT_CREATORS)) { vchecker = vchecker.withCreatorVisibility(Visibility.NONE); } if (!isEnabled(DeserializationConfig.Feature.AUTO_DETECT_FIELDS)) { vchecker = vchecker.withFieldVisibility(Visibility.NONE); } return vchecker; } /* /********************************************************** /* MapperConfig overrides for 1.8 backwards compatibility /********************************************************** */ /* NOTE: these are overloads we MUST have, but that were missing * from 1.9.0 and 1.9.1. Type erasure can bite in the ass... *

* NOTE: will remove either these variants, or base class one, in 2.0. */ /** * An overload for {@link MapperConfig#isEnabled(MapperConfig.ConfigFeature)}, * needed for backwards-compatibility. *

* NOTE: will remove either this variant, or base class one, in 2.0./ * * @since 1.0 However, note that version 1.9.0 and 1.9.1 accidentally missed * this overloaded variant */ public boolean isEnabled(DeserializationConfig.Feature f) { return (_featureFlags & f.getMask()) != 0; } /** * @deprecated Since 1.9, it is preferable to use {@link #with} instead; * this method is deprecated as it modifies current instance instead of * creating a new one (as the goal is to make this class immutable) */ @Deprecated @Override public void enable(DeserializationConfig.Feature f) { super.enable(f); } /** * @deprecated Since 1.9, it is preferable to use {@link #without} instead; * this method is deprecated as it modifies current instance instead of * creating a new one (as the goal is to make this class immutable) */ @Deprecated @Override public void disable(DeserializationConfig.Feature f) { super.disable(f); } /** * @deprecated Since 1.9, it is preferable to use {@link #without} and {@link #with} instead; * this method is deprecated as it modifies current instance instead of * creating a new one (as the goal is to make this class immutable) */ @Deprecated @Override public void set(DeserializationConfig.Feature f, boolean state) { super.set(f, state); } /* /********************************************************** /* Problem handlers /********************************************************** */ /** * Method for getting head of the problem handler chain. May be null, * if no handlers have been added. */ public LinkedNode getProblemHandlers() { return _problemHandlers; } /** * Method that can be used to add a handler that can (try to) * resolve non-fatal deserialization problems. */ public void addHandler(DeserializationProblemHandler h) { /* Sanity check: let's prevent adding same handler multiple * times */ if (!LinkedNode.contains(_problemHandlers, h)) { _problemHandlers = new LinkedNode(h, _problemHandlers); } } /** * Method for removing all configured problem handlers; usually done to replace * existing handler(s) with different one(s) * * @since 1.1 */ public void clearHandlers() { _problemHandlers = null; } /* /********************************************************** /* Other configuration /********************************************************** */ /** * Method called during deserialization if Base64 encoded content * needs to be decoded. Default version just returns default Jackson * uses, which is modified-mime which does not add linefeeds (because * those would have to be escaped in JSON strings). */ public Base64Variant getBase64Variant() { return Base64Variants.getDefaultVariant(); } /** * @since 1.6 */ 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); } /* /********************************************************** /* Extended API: handler instantiation /********************************************************** */ @SuppressWarnings("unchecked") public JsonDeserializer deserializerInstance(Annotated annotated, Class> deserClass) { HandlerInstantiator hi = getHandlerInstantiator(); if (hi != null) { JsonDeserializer deser = hi.deserializerInstance(this, annotated, deserClass); if (deser != null) { return (JsonDeserializer) deser; } } return (JsonDeserializer) ClassUtil.createInstance(deserClass, canOverrideAccessModifiers()); } public KeyDeserializer keyDeserializerInstance(Annotated annotated, Class keyDeserClass) { HandlerInstantiator hi = getHandlerInstantiator(); if (hi != null) { KeyDeserializer keyDeser = hi.keyDeserializerInstance(this, annotated, keyDeserClass); if (keyDeser != null) { return (KeyDeserializer) keyDeser; } } return (KeyDeserializer) ClassUtil.createInstance(keyDeserClass, canOverrideAccessModifiers()); } public ValueInstantiator valueInstantiatorInstance(Annotated annotated, Class instClass) { HandlerInstantiator hi = getHandlerInstantiator(); if (hi != null) { ValueInstantiator inst = hi.valueInstantiatorInstance(this, annotated, instClass); if (inst != null) { return (ValueInstantiator) inst; } } return (ValueInstantiator) ClassUtil.createInstance(instClass, canOverrideAccessModifiers()); } }