All Downloads are FREE. Search and download functionalities are using the official Maven repository.

org.codehaus.jackson.map.SerializationConfig Maven / Gradle / Ivy

Go to download

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

There is a newer version: 1.9.13
Show newest version
package org.codehaus.jackson.map;

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

import org.codehaus.jackson.annotate.*;
import org.codehaus.jackson.annotate.JsonAutoDetect.Visibility;
import org.codehaus.jackson.map.annotate.JsonSerialize;
import org.codehaus.jackson.map.annotate.JsonSerialize.Inclusion; // for javadocs
import org.codehaus.jackson.map.introspect.Annotated;
import org.codehaus.jackson.map.introspect.AnnotatedClass;
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.ser.FilterProvider;
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.type.JavaType;

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

* 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 serializer * 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 SerializationConfig 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 regualr "getter" methods are * automatically detected based on standard Bean naming convention * or not. If yes, then all public zero-argument methods that * start with prefix "get" * are considered as getters. * If disabled, only methods explicitly annotated are considered getters. *

* Note that since version 1.3, this does NOT include * "is getters" (see {@link #AUTO_DETECT_IS_GETTERS} for details) *

* 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_GETTERS(true), /** * Feature that determines whether "is getter" methods are * automatically detected based on standard Bean naming convention * or not. If yes, then all public zero-argument methods that * start with prefix "is", and whose return type is boolean * are considered as "is getters". * If disabled, only methods explicitly annotated are considered getters. *

* 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_IS_GETTERS(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 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. *

* Feature is enabled by default. */ CAN_OVERRIDE_ACCESS_MODIFIERS(true), /** * Feature that determines whether getters (getter methods) * can be auto-detected if there is no matching mutator (setter, * constructor parameter or field) or not: if set to true, * only getters that match a mutator are auto-discovered; if * false, all auto-detectable getters can be discovered. *

* Feature is disabled by default for backwards compatibility * reasons. * * @since 1.9 */ REQUIRE_SETTERS_FOR_GETTERS(false), /* /****************************************************** /* Generic output features /****************************************************** */ /** * Feature that determines the default settings of whether Bean * properties with null values are to be written out. *

* Feature is enabled by default (null properties written). *

* Note too that there is annotation * {@link org.codehaus.jackson.annotate.JsonWriteNullProperties} * that can be used for more granular control (annotates bean * classes or individual property access methods). * * @deprecated As of 1.1, use {@link SerializationConfig#setSerializationInclusion} * instead */ @Deprecated WRITE_NULL_PROPERTIES(true), /** * Feature that determines whether the type detection for * serialization should be using actual dynamic runtime type, * or declared static type. * Default value is false, to use dynamic runtime type. *

* This global default value can be overridden at class, method * or field level by using {@link JsonSerialize#typing} annotation * property */ USE_STATIC_TYPING(false), /** * Feature that determines whether properties that have no view * annotations are included in JSON serialization views (see * {@link org.codehaus.jackson.map.annotate.JsonView} for more * details on JSON Views). * If enabled, non-annotated properties will be included; * when disabled, they will be excluded. So this feature * changes between "opt-in" (feature disabled) and * "opt-out" (feature enabled) modes. *

* Default value is enabled, meaning that non-annotated * properties are included in all views if there is no * {@link org.codehaus.jackson.map.annotate.JsonView} annotation. * * @since 1.5 */ DEFAULT_VIEW_INCLUSION(true), /** * Feature that can be enabled to make root value (usually JSON * Object but can be any type) wrapped within a single property * JSON object, where key as the "root name", as determined by * annotation introspector (esp. for JAXB that uses * @XmlRootElement.name) or fallback (non-qualified * class name). * Feature is mostly intended for JAXB compatibility. *

* Default setting is false, meaning root value is not wrapped. * * @since 1.7 */ WRAP_ROOT_VALUE(false), /** * Feature that allows enabling (or disabling) indentation * for the underlying generator, using the default pretty * printer (see * {@link org.codehaus.jackson.JsonGenerator#useDefaultPrettyPrinter} * for details). *

* Note that this only affects cases where * {@link org.codehaus.jackson.JsonGenerator} * is constructed implicitly by ObjectMapper: if explicit * generator is passed, its configuration is not changed. *

* Also note that if you want to configure details of indentation, * you need to directly configure the generator: there is a * method to use any PrettyPrinter instance. * This feature will only allow using the default implementation. */ INDENT_OUTPUT(false), /** * Feature that defines default property serialization order used * for POJO fields (note: does not apply to {@link java.util.Map} * serialization!): * if enabled, default ordering is alphabetic (similar to * how {@link org.codehaus.jackson.annotate.JsonPropertyOrder#alphabetic()} * works); if disabled, order is unspecified (based on what JDK gives * us, which may be declaration order, but not guaranteed). *

* Note that this is just the default behavior, and can be overridden by * explicit overrides in classes. * * @since 1.8 */ SORT_PROPERTIES_ALPHABETICALLY(false), /* /****************************************************** /* Error handling features /****************************************************** */ /** * Feature that determines what happens when no accessors are * found for a type (and there are no annotations to indicate * it is meant to be serialized). If enabled (default), an * exception is thrown to indicate these as non-serializable * types; if disabled, they are serialized as empty Objects, * i.e. without any properties. *

* Note that empty types that this feature has only effect on * those "empty" beans that do not have any recognized annotations * (like @JsonSerialize): ones that do have annotations * do not result in an exception being thrown. * * @since 1.4 */ FAIL_ON_EMPTY_BEANS(true), /** * 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), /* /****************************************************** /* Output life cycle features /****************************************************** */ /** * Feature that determines whether close method of * serialized root level objects (ones for which ObjectMapper's * writeValue() (or equivalent) method is called) * that implement {@link java.io.Closeable} * is called after serialization or not. If enabled, close() will * be called after serialization completes (whether succesfully, or * due to an error manifested by an exception being thrown). You can * think of this as sort of "finally" processing. *

* NOTE: only affects behavior with root objects, and not other * objects reachable from the root object. Put another way, only one * call will be made for each 'writeValue' call. * * @since 1.6 (see [JACKSON-282 for details]) */ CLOSE_CLOSEABLE(false), /** * Feature that determines whether JsonGenerator.flush() is * called after writeValue() method that takes JsonGenerator * as an argument completes (i.e. does NOT affect methods * that use other destinations); same for methods in {@link ObjectWriter}. * This usually makes sense; but there are cases where flushing * should not be forced: for example when underlying stream is * compressing and flush() causes compression state to be flushed * (which occurs with some compression codecs). * * @since 1.6 (see [JACKSON-401 for details]) */ FLUSH_AFTER_WRITE_VALUE(true), /* /****************************************************** /* Data type - specific serialization configuration /****************************************************** */ /** * Feature that determines whether {@link java.util.Date} values * (and Date-based things like {@link java.util.Calendar}s) are to be * serialized as numeric timestamps (true; the default), * or as something else (usually textual representation). * If textual representation is used, the actual format is * one returned by a call to {@link #getDateFormat}. *

* Note: whether this feature affects handling of other date-related * types depend on handlers of those types, although ideally they * should use this feature *

* Note: whether {@link java.util.Map} keys are serialized as Strings * or not is controlled using {@link #WRITE_DATE_KEYS_AS_TIMESTAMPS}. */ WRITE_DATES_AS_TIMESTAMPS(true), /** * Feature that determines whether {@link java.util.Date}s * (and sub-types) used as {@link java.util.Map} keys are serialized * as timestamps or not (if not, will be serialized as textual * values). *

* Default value is 'false', meaning that Date-valued Map keys are serialized * as textual (ISO-8601) values. * * @since 1.9 */ WRITE_DATE_KEYS_AS_TIMESTAMPS(false), /** * Feature that determines how type char[] is serialized: * when enabled, will be serialized as an explict JSON array (with * single-character Strings as values); when disabled, defaults to * serializing them as Strings (which is more compact). * * @since 1.6 (see [JACKSON-289 for details]) */ WRITE_CHAR_ARRAYS_AS_JSON_ARRAYS(false), /** * Feature that determines standard serialization mechanism used for * Enum values: if enabled, return value of Enum.toString() * is used; if disabled, return value of Enum.name() is 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 DeserializationConfig.Feature#READ_ENUMS_USING_TO_STRING}. *

* For further details, check out [JACKSON-212] * * @since 1.6 */ WRITE_ENUMS_USING_TO_STRING(false), /** * Feature that determines whethere Java Enum values are serialized * as numbers (true), or textual values (false). If textual values are * used, other settings are also considered. * If this feature is enabled, * return value of Enum.ordinal() * (an integer) will be used as the serialization. *

* Note that this feature has precedence over {@link #WRITE_ENUMS_USING_TO_STRING}, * which is only considered if this feature is set to false. * * @since 1.9 */ WRITE_ENUMS_USING_INDEX(false), /** * Feature that determines whether Map entries with null values are * to be serialized (true) or not (false). *

* For further details, check out [JACKSON-314] * * @since 1.6 */ WRITE_NULL_MAP_VALUES(true), /** * Feature that determines whether Container properties (POJO properties * with declared value of Collection or array; i.e. things that produce JSON * arrays) that are empty (have no elements) * will be serialized as empty JSON arrays (true), or suppressed from output (false). *

* Note that this does not change behavior of {@link java.util.Map}s, or * "Collection-like" types. * * @since 1.9 */ WRITE_EMPTY_JSON_ARRAYS(true) ; final boolean _defaultState; private Feature(boolean defaultState) { _defaultState = defaultState; } @Override public boolean enabledByDefault() { return _defaultState; } @Override public int getMask() { return (1 << ordinal()); } } /* /********************************************************** /* Configuration settings /********************************************************** */ /** * Which Bean/Map properties are to be included in serialization? * Default settings is to include all regardless of value; can be * changed to only include non-null properties, or properties * with non-default values. *

* Defaults to null for backwards compatibility; if left as null, * will check * deprecated {@link Feature#WRITE_NULL_PROPERTIES} * to choose between {@link Inclusion#ALWAYS} * and {@link Inclusion#NON_NULL}. */ protected JsonSerialize.Inclusion _serializationInclusion = null; /** * View to use for filtering out properties to serialize. * Null if none (will also be assigned null if Object.class * is defined), meaning that all properties are to be included. */ protected Class _serializationView; /** * Object used for resolving filter ids to filter instances. * Non-null if explicitly defined; null by default. * * @since 1.7 */ protected FilterProvider _filterProvider; /* /********************************************************** /* Life-cycle, constructors /********************************************************** */ /** * Constructor used by ObjectMapper to create default configuration object instance. */ public SerializationConfig(ClassIntrospector intr, AnnotationIntrospector annIntr, VisibilityChecker vc, SubtypeResolver subtypeResolver, PropertyNamingStrategy propertyNamingStrategy, TypeFactory typeFactory, HandlerInstantiator handlerInstantiator) { super(intr, annIntr, vc, subtypeResolver, propertyNamingStrategy, typeFactory, handlerInstantiator, collectFeatureDefaults(SerializationConfig.Feature.class)); _filterProvider = null; } /** * @since 1.8 */ protected SerializationConfig(SerializationConfig src) { this(src, src._base); } /** * Constructor used to make a private copy of specific mix-in definitions. * * @since 1.8 */ protected SerializationConfig(SerializationConfig src, HashMap> mixins, SubtypeResolver str) { this(src, src._base); _mixInAnnotations = mixins; _subtypeResolver = str; } /** * @since 1.8 */ protected SerializationConfig(SerializationConfig src, MapperConfig.Base base) { super(src, base, src._subtypeResolver); _serializationInclusion = src._serializationInclusion; _serializationView = src._serializationView; _filterProvider = src._filterProvider; } /** * @since 1.8 */ protected SerializationConfig(SerializationConfig src, FilterProvider filters) { super(src); _serializationInclusion = src._serializationInclusion; _serializationView = src._serializationView; _filterProvider = filters; } /** * @since 1.8 */ protected SerializationConfig(SerializationConfig src, Class view) { super(src); _serializationInclusion = src._serializationInclusion; _serializationView = view; _filterProvider = src._filterProvider; } /** * @since 1.9 */ protected SerializationConfig(SerializationConfig src, JsonSerialize.Inclusion incl) { super(src); _serializationInclusion = incl; // And for some level of backwards compatibility, also... if (incl == JsonSerialize.Inclusion.NON_NULL) { _featureFlags &= ~Feature.WRITE_NULL_PROPERTIES.getMask(); } else { _featureFlags |= Feature.WRITE_NULL_PROPERTIES.getMask(); } _serializationView = src._serializationView; _filterProvider = src._filterProvider; } /** * @since 1.9 */ protected SerializationConfig(SerializationConfig src, int features) { super(src, features); _serializationInclusion = src._serializationInclusion; _serializationView = src._serializationView; _filterProvider = src._filterProvider; } /* /********************************************************** /* Life-cycle, factory methods from MapperConfig /********************************************************** */ @Override public SerializationConfig withClassIntrospector(ClassIntrospector ci) { return new SerializationConfig(this, _base.withClassIntrospector(ci)); } @Override public SerializationConfig withAnnotationIntrospector(AnnotationIntrospector ai) { return new SerializationConfig(this, _base.withAnnotationIntrospector(ai)); } @Override public SerializationConfig withInsertedAnnotationIntrospector(AnnotationIntrospector ai) { return new SerializationConfig(this, _base.withInsertedAnnotationIntrospector(ai)); } @Override public SerializationConfig withAppendedAnnotationIntrospector(AnnotationIntrospector ai) { return new SerializationConfig(this, _base.withAppendedAnnotationIntrospector(ai)); } @Override public SerializationConfig withVisibilityChecker(VisibilityChecker vc) { return new SerializationConfig(this, _base.withVisibilityChecker(vc)); } @Override public SerializationConfig withVisibility(JsonMethod forMethod, JsonAutoDetect.Visibility visibility) { return new SerializationConfig(this, _base.withVisibility(forMethod, visibility)); } @Override public SerializationConfig withTypeResolverBuilder(TypeResolverBuilder trb) { return new SerializationConfig(this, _base.withTypeResolverBuilder(trb)); } @Override public SerializationConfig withSubtypeResolver(SubtypeResolver str) { SerializationConfig cfg = new SerializationConfig(this); cfg._subtypeResolver = str; return cfg; } @Override public SerializationConfig withPropertyNamingStrategy(PropertyNamingStrategy pns) { return new SerializationConfig(this, _base.withPropertyNamingStrategy(pns)); } @Override public SerializationConfig withTypeFactory(TypeFactory tf) { return new SerializationConfig(this, _base.withTypeFactory(tf)); } /** * In addition to constructing instance with specified date format, * will enable or disable Feature.WRITE_DATES_AS_TIMESTAMPS * (enable if format set as null; disable if non-null) */ @Override public SerializationConfig withDateFormat(DateFormat df) { SerializationConfig cfg = new SerializationConfig(this, _base.withDateFormat(df)); // Also need to toggle this feature based on existence of date format: if (df == null) { cfg = cfg.with(Feature.WRITE_DATES_AS_TIMESTAMPS); } else { cfg = cfg.without(Feature.WRITE_DATES_AS_TIMESTAMPS); } return cfg; } @Override public SerializationConfig withHandlerInstantiator(HandlerInstantiator hi) { return new SerializationConfig(this, _base.withHandlerInstantiator(hi)); } /* /********************************************************** /* Life-cycle, SerializationConfig specific factory methods /********************************************************** */ /** * @since 1.7 */ public SerializationConfig withFilters(FilterProvider filterProvider) { return new SerializationConfig(this, filterProvider); } /** * @since 1.8 */ public SerializationConfig withView(Class view) { return new SerializationConfig(this, view); } /** * @since 1.9 */ public SerializationConfig withSerializationInclusion(JsonSerialize.Inclusion incl) { return new SerializationConfig(this, incl); } /** * Fluent factory method that will construct and return a new configuration * object instance with specified features enabled. * * @since 1.9 */ @Override public SerializationConfig with(Feature... features) { int flags = _featureFlags; for (Feature f : features) { flags |= f.getMask(); } return new SerializationConfig(this, flags); } /** * Fluent factory method that will construct and return a new configuration * object instance with specified features disabled. * * @since 1.9 */ @Override public SerializationConfig without(Feature... features) { int flags = _featureFlags; for (Feature f : features) { flags &= ~f.getMask(); } return new SerializationConfig(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. *

* Serialization annotations that are known to have effect are: *

    *
  • {@link JsonWriteNullProperties}
  • *
  • {@link JsonAutoDetect}
  • *
  • {@link JsonSerialize#typing}
  • *
* * @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. */ @SuppressWarnings("deprecation") @Deprecated @Override public void fromAnnotations(Class cls) { /* 10-Jul-2009, tatu: Should be able to just pass null as * 'MixInResolver'; no mix-ins set at this point * 29-Jul-2009, tatu: Also, we do NOT ignore annotations here, even * if Feature.USE_ANNOTATIONS was disabled, since caller * specifically requested annotations to be added with this call */ AnnotationIntrospector ai = getAnnotationIntrospector(); AnnotatedClass ac = AnnotatedClass.construct(cls, ai, null); _base = _base.withVisibilityChecker(ai.findAutoDetectVisibility(ac, getDefaultVisibilityChecker())); // How about writing null property values? JsonSerialize.Inclusion incl = ai.findSerializationInclusion(ac, null); if (incl != _serializationInclusion) { setSerializationInclusion(incl); } JsonSerialize.Typing typing = ai.findSerializationTyping(ac); if (typing != null) { set(Feature.USE_STATIC_TYPING, (typing == JsonSerialize.Typing.STATIC)); } } @Override public SerializationConfig createUnshared(SubtypeResolver subtypeResolver) { HashMap> mixins = _mixInAnnotations; _mixInAnnotationsShared = true; return new SerializationConfig(this, mixins, subtypeResolver); } @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 AnnotationIntrospector.nopInstance(); } /** * 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 */ @SuppressWarnings("unchecked") @Override public T introspectDirectClassAnnotations(JavaType type) { return (T) getClassIntrospector().forDirectClassAnnotations(this, type, this); } @Override public boolean isAnnotationProcessingEnabled() { return isEnabled(SerializationConfig.Feature.USE_ANNOTATIONS); } @Override public boolean canOverrideAccessModifiers() { return isEnabled(Feature.CAN_OVERRIDE_ACCESS_MODIFIERS); } @Override public boolean shouldSortPropertiesAlphabetically() { return isEnabled(Feature.SORT_PROPERTIES_ALPHABETICALLY); } @Override public VisibilityChecker getDefaultVisibilityChecker() { VisibilityChecker vchecker = super.getDefaultVisibilityChecker(); if (!isEnabled(SerializationConfig.Feature.AUTO_DETECT_GETTERS)) { vchecker = vchecker.withGetterVisibility(Visibility.NONE); } // then global overrides (disabling) if (!isEnabled(SerializationConfig.Feature.AUTO_DETECT_IS_GETTERS)) { vchecker = vchecker.withIsGetterVisibility(Visibility.NONE); } if (!isEnabled(SerializationConfig.Feature.AUTO_DETECT_FIELDS)) { vchecker = vchecker.withFieldVisibility(Visibility.NONE); } return vchecker; } /* /********************************************************** /* Configuration: other /********************************************************** */ /** * Method for checking which serialization view is being used, * if any; null if none. * * @since 1.4 */ public Class getSerializationView() { return _serializationView; } public JsonSerialize.Inclusion getSerializationInclusion() { if (_serializationInclusion != null) { return _serializationInclusion; } return isEnabled(Feature.WRITE_NULL_PROPERTIES) ? JsonSerialize.Inclusion.ALWAYS : JsonSerialize.Inclusion.NON_NULL; } /** * Method that will define global setting of which * bean/map properties are to be included in serialization. * Can be overridden by class annotations (overriding * settings to use for instances of that class) and * method/field annotations (overriding settings for the value * bean for that getter method or field) * * @deprecated since 1.9 should either use {@link #withSerializationInclusion} * to construct new instance, or configure through {@link ObjectMapper} */ @SuppressWarnings("deprecation") @Deprecated public void setSerializationInclusion(JsonSerialize.Inclusion props) { _serializationInclusion = props; // And for some level of backwards compatibility, also... if (props == JsonSerialize.Inclusion.NON_NULL) { disable(Feature.WRITE_NULL_PROPERTIES); } else { enable(Feature.WRITE_NULL_PROPERTIES); } } /** * Method for getting provider used for locating filters given * id (which is usually provided with filter annotations). * Will be null if no provided was set for {@link ObjectWriter} * (or if serialization directly called from {@link ObjectMapper}) * * @since 1.7 */ public FilterProvider getFilterProvider() { return _filterProvider; } /* /********************************************************** /* Introspection methods /********************************************************** */ /** * Method that will introspect full bean properties for the purpose * of building a bean serializer */ @SuppressWarnings("unchecked") public T introspect(JavaType type) { return (T) getClassIntrospector().forSerialization(this, type, this); } /* /********************************************************** /* Extended API: serializer instantiation /********************************************************** */ @SuppressWarnings("unchecked") public JsonSerializer serializerInstance(Annotated annotated, Class> serClass) { HandlerInstantiator hi = getHandlerInstantiator(); if (hi != null) { JsonSerializer ser = hi.serializerInstance(this, annotated, serClass); if (ser != null) { return (JsonSerializer) ser; } } return (JsonSerializer) ClassUtil.createInstance(serClass, canOverrideAccessModifiers()); } /* /********************************************************** /* Deprecated methods /********************************************************** */ /** * One thing to note is that this will set {@link Feature#WRITE_DATES_AS_TIMESTAMPS} * to false (if null format set), or true (if non-null format) * * @deprecated Since 1.8, use {@link #withDateFormat} instead. */ @SuppressWarnings("deprecation") @Override @Deprecated public final void setDateFormat(DateFormat df) { super.setDateFormat(df); set(Feature.WRITE_DATES_AS_TIMESTAMPS, (df == null)); } /** * Method for checking which serialization view is being used, * if any; null if none. * * @since 1.4 * * @deprecated Since 1.8, use {@link #withView} instead */ @Deprecated public void setSerializationView(Class view) { _serializationView = view; } /* /********************************************************** /* Debug support /********************************************************** */ @Override public String toString() { return "[SerializationConfig: flags=0x"+Integer.toHexString(_featureFlags)+"]"; } }