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package com.fasterxml.jackson.databind;

import java.util.*;

import com.fasterxml.jackson.core.*;
import com.fasterxml.jackson.core.json.JsonReadFeature;
import com.fasterxml.jackson.databind.cfg.*;
import com.fasterxml.jackson.databind.deser.DeserializationProblemHandler;
import com.fasterxml.jackson.databind.introspect.*;
import com.fasterxml.jackson.databind.jsontype.*;
import com.fasterxml.jackson.databind.node.JsonNodeFactory;
import com.fasterxml.jackson.databind.type.LogicalType;
import com.fasterxml.jackson.databind.util.LinkedNode;
import com.fasterxml.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. */ 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 com.fasterxml.jackson.databind.JsonNode} instances. */ protected final JsonNodeFactory _nodeFactory; /** * @since 2.12 */ protected final CoercionConfigs _coercionConfigs; /** * @since 2.12 */ protected final ConstructorDetector _ctorDetector; /* /********************************************************** /* Deserialization features /********************************************************** */ /** * Set of {@link DeserializationFeature}s enabled. */ protected final int _deserFeatures; /* /********************************************************** /* Parser features: generic, format-specific /********************************************************** */ /** * States of {@link com.fasterxml.jackson.core.JsonParser.Feature}s to enable/disable. */ protected final int _parserFeatures; /** * Bitflag of {@link com.fasterxml.jackson.core.JsonParser.Feature}s to enable/disable */ protected final int _parserFeaturesToChange; /** * States of {@link com.fasterxml.jackson.core.FormatFeature}s to enable/disable. * * @since 2.7 */ protected final int _formatReadFeatures; /** * Bitflag of {@link com.fasterxml.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. * * @since 2.14 */ public DeserializationConfig(BaseSettings base, SubtypeResolver str, SimpleMixInResolver mixins, RootNameLookup rootNames, ConfigOverrides configOverrides, CoercionConfigs coercionConfigs, DatatypeFeatures datatypeFeatures) { super(base, str, mixins, rootNames, configOverrides, datatypeFeatures); _deserFeatures = DESER_FEATURE_DEFAULTS; _problemHandlers = null; _nodeFactory = JsonNodeFactory.instance; _ctorDetector = null; _coercionConfigs = coercionConfigs; _parserFeatures = 0; _parserFeaturesToChange = 0; _formatReadFeatures = 0; _formatReadFeaturesToChange = 0; } /** * Copy-constructor used for making a copy used by new {@link ObjectMapper}. * * @since 2.14 */ protected DeserializationConfig(DeserializationConfig src, SubtypeResolver str, SimpleMixInResolver mixins, RootNameLookup rootNames, ConfigOverrides configOverrides, CoercionConfigs coercionConfigs) { super(src, str, mixins, rootNames, configOverrides); _deserFeatures = src._deserFeatures; _problemHandlers = src._problemHandlers; _nodeFactory = src._nodeFactory; _ctorDetector = src._ctorDetector; _coercionConfigs = coercionConfigs; _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, long mapperFeatures, int deserFeatures, int parserFeatures, int parserFeatureMask, int formatFeatures, int formatFeatureMask) { super(src, mapperFeatures); _deserFeatures = deserFeatures; _problemHandlers = src._problemHandlers; _nodeFactory = src._nodeFactory; _coercionConfigs = src._coercionConfigs; _ctorDetector = src._ctorDetector; _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; _problemHandlers = src._problemHandlers; _nodeFactory = src._nodeFactory; _coercionConfigs = src._coercionConfigs; _ctorDetector = src._ctorDetector; _parserFeatures = src._parserFeatures; _parserFeaturesToChange = src._parserFeaturesToChange; _formatReadFeatures = src._formatReadFeatures; _formatReadFeaturesToChange = src._formatReadFeaturesToChange; } private DeserializationConfig(DeserializationConfig src, BaseSettings base) { super(src, base); _deserFeatures = src._deserFeatures; _problemHandlers = src._problemHandlers; _nodeFactory = src._nodeFactory; _coercionConfigs = src._coercionConfigs; _ctorDetector = src._ctorDetector; _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; _coercionConfigs = src._coercionConfigs; _ctorDetector = src._ctorDetector; _parserFeatures = src._parserFeatures; _parserFeaturesToChange = src._parserFeaturesToChange; _formatReadFeatures = src._formatReadFeatures; _formatReadFeaturesToChange = src._formatReadFeaturesToChange; } // @since 2.12 private DeserializationConfig(DeserializationConfig src, ConstructorDetector ctorDetector) { super(src); _deserFeatures = src._deserFeatures; _problemHandlers = src._problemHandlers; _nodeFactory = src._nodeFactory; _coercionConfigs = src._coercionConfigs; _ctorDetector = ctorDetector; _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; _coercionConfigs = src._coercionConfigs; _ctorDetector = src._ctorDetector; _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; _coercionConfigs = src._coercionConfigs; _ctorDetector = src._ctorDetector; _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; _coercionConfigs = src._coercionConfigs; _ctorDetector = src._ctorDetector; _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; _coercionConfigs = src._coercionConfigs; _ctorDetector = src._ctorDetector; _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; _coercionConfigs = src._coercionConfigs; _ctorDetector = src._ctorDetector; _parserFeatures = src._parserFeatures; _parserFeaturesToChange = src._parserFeaturesToChange; _formatReadFeatures = src._formatReadFeatures; _formatReadFeaturesToChange = src._formatReadFeaturesToChange; } /** * @since 2.14 */ protected DeserializationConfig(DeserializationConfig src, DatatypeFeatures datatypeFeatures) { super(src, datatypeFeatures); _deserFeatures = src._deserFeatures; _problemHandlers = src._problemHandlers; _nodeFactory = src._nodeFactory; _coercionConfigs = src._coercionConfigs; _ctorDetector = src._ctorDetector; _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 protected final DeserializationConfig _withBase(BaseSettings newBase) { return (_base == newBase) ? this : new DeserializationConfig(this, newBase); } @Override protected final DeserializationConfig _withMapperFeatures(long mapperFeatures) { return new DeserializationConfig(this, mapperFeatures, _deserFeatures, _parserFeatures, _parserFeaturesToChange, _formatReadFeatures, _formatReadFeaturesToChange); } @Override protected final DeserializationConfig _with(DatatypeFeatures dtFeatures) { return new DeserializationConfig(this, dtFeatures); } /* /********************************************************** /* 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); } /** * @since 2.12 */ public DeserializationConfig with(ConstructorDetector ctorDetector) { if (_ctorDetector == ctorDetector) { return this; } return new DeserializationConfig(this, ctorDetector); } /** * 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 com.fasterxml.jackson.core.JsonParser.Feature} settings * that have been configured via this config instance. * * @since 2.5 */ public JsonParser initialize(JsonParser p) { if (_parserFeaturesToChange != 0) { p.overrideStdFeatures(_parserFeatures, _parserFeaturesToChange); } if (_formatReadFeaturesToChange != 0) { p.overrideFormatFeatures(_formatReadFeatures, _formatReadFeaturesToChange); } return p; } /** * @since 2.12 */ public JsonParser initialize(JsonParser p, FormatSchema schema) { if (_parserFeaturesToChange != 0) { p.overrideStdFeatures(_parserFeatures, _parserFeaturesToChange); } if (_formatReadFeaturesToChange != 0) { p.overrideFormatFeatures(_formatReadFeatures, _formatReadFeaturesToChange); } if (schema != null) { p.setSchema(schema); } return p; } /* /********************************************************** /* 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); } /** * Accessor for checking whether give {@link DeserializationFeature} * is enabled or not. * * @param feature Feature to check * * @return True if feature is enabled; false otherwise */ public final boolean isEnabled(DeserializationFeature feature) { return (_deserFeatures & feature.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 equivalent to: * * isEnabled(DeserializationFeature.FAIL_ON_TRAILING_TOKENS) * * * @since 2.9 */ public final boolean requiresFullValue() { return DeserializationFeature.FAIL_ON_TRAILING_TOKENS.enabledIn(_deserFeatures); } /** * Accessor for checking whether give {@link DatatypeFeature} * is enabled or not. * * @param feature Feature to check * * @return True if feature is enabled; false otherwise * * @since 2.14 */ @Override public final boolean isEnabled(DatatypeFeature feature) { return _datatypeFeatures.isEnabled(feature); } /* /********************************************************** /* 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; } /** * @since 2.12 */ public ConstructorDetector getConstructorDetector() { if (_ctorDetector == null) { return ConstructorDetector.DEFAULT; } return _ctorDetector; } /* /********************************************************** /* 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 */ public BeanDescription introspect(JavaType type) { return getClassIntrospector().forDeserialization(this, type, this); } /** * Method that will introspect subset of bean properties needed to * construct bean instance. */ public BeanDescription introspectForCreation(JavaType type) { return getClassIntrospector().forCreation(this, type, this); } /** * @since 2.12 */ public BeanDescription introspectForBuilder(JavaType builderType, BeanDescription valueTypeDesc) { return getClassIntrospector().forDeserializationWithBuilder(this, builderType, this, valueTypeDesc); } /** * @since 2.0 * @deprecated Since 2.12 - use variant that takes both builder and value type */ @Deprecated public BeanDescription introspectForBuilder(JavaType type) { return 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); } /* /********************************************************************** /* CoercionConfig access /********************************************************************** */ /** * General-purpose accessor for finding what to do when specified coercion * from shape that is now always allowed to be coerced from is requested. * * @param targetType Logical target type of coercion * @param targetClass Physical target type of coercion * @param inputShape Input shape to coerce from * * @return CoercionAction configured for specific coercion * * @since 2.12 */ public CoercionAction findCoercionAction(LogicalType targetType, Class targetClass, CoercionInputShape inputShape) { return _coercionConfigs.findCoercion(this, targetType, targetClass, inputShape); } /** * More specialized accessor called in case of input being a blank * String (one consisting of only white space characters with length of at least one). * Will basically first determine if "blank as empty" is allowed: if not, * returns {@code actionIfBlankNotAllowed}, otherwise returns action for * {@link CoercionInputShape#EmptyString}. * * @param targetType Logical target type of coercion * @param targetClass Physical target type of coercion * @param actionIfBlankNotAllowed Return value to use in case "blanks as empty" * is not allowed * * @return CoercionAction configured for specified coercion from blank string * * @since 2.12 */ public CoercionAction findCoercionFromBlankString(LogicalType targetType, Class targetClass, CoercionAction actionIfBlankNotAllowed) { return _coercionConfigs.findCoercionFromBlankString(this, targetType, targetClass, actionIfBlankNotAllowed); } }





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