com.fasterxml.jackson.databind.SerializationConfig Maven / Gradle / Ivy
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package com.fasterxml.jackson.databind;
import java.text.DateFormat;
import java.util.*;
import com.fasterxml.jackson.annotation.JsonAutoDetect;
import com.fasterxml.jackson.annotation.JsonAutoDetect.Visibility;
import com.fasterxml.jackson.annotation.JsonInclude;
import com.fasterxml.jackson.annotation.PropertyAccessor;
import com.fasterxml.jackson.core.*;
import com.fasterxml.jackson.core.util.DefaultPrettyPrinter;
import com.fasterxml.jackson.core.util.Instantiatable;
import com.fasterxml.jackson.databind.cfg.*;
import com.fasterxml.jackson.databind.introspect.ClassIntrospector;
import com.fasterxml.jackson.databind.introspect.SimpleMixInResolver;
import com.fasterxml.jackson.databind.introspect.VisibilityChecker;
import com.fasterxml.jackson.databind.jsontype.SubtypeResolver;
import com.fasterxml.jackson.databind.jsontype.TypeResolverBuilder;
import com.fasterxml.jackson.databind.ser.FilterProvider;
import com.fasterxml.jackson.databind.ser.SerializerFactory;
import com.fasterxml.jackson.databind.type.TypeFactory;
import com.fasterxml.jackson.databind.util.RootNameLookup;
/**
* Object that contains baseline configuration for serialization
* process. An instance is owned by {@link ObjectMapper}, which
* passes an immutable instance for serialization process to
* {@link SerializerProvider} and {@link SerializerFactory}
* (either directly, or through {@link ObjectWriter}.
*
* 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 SerializationConfig
extends MapperConfigBase
implements java.io.Serializable // since 2.1
{
// since 2.5
private static final long serialVersionUID = 1;
// since 2.6
protected final static PrettyPrinter DEFAULT_PRETTY_PRINTER = new DefaultPrettyPrinter();
/**
* Set of {@link SerializationFeature}s enabled.
*/
protected final int _serFeatures;
/**
* 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.
*/
protected JsonInclude.Include _serializationInclusion = null;
/**
* Object used for resolving filter ids to filter instances.
* Non-null if explicitly defined; null by default.
*/
protected final FilterProvider _filterProvider;
/**
* If "default pretty-printing" is enabled, it will create the instance
* from this blueprint object.
*
* @since 2.6
*/
protected final PrettyPrinter _defaultPrettyPrinter;
/**
* States of {@link com.fasterxml.jackson.core.JsonGenerator.Feature}s to enable/disable.
*/
protected final int _generatorFeatures;
/**
* Bitflag of {@link com.fasterxml.jackson.core.JsonGenerator.Feature}s to enable/disable
*/
protected final int _generatorFeaturesToChange;
/*
/**********************************************************
/* Life-cycle, constructors
/**********************************************************
*/
/**
* Constructor used by ObjectMapper to create default configuration object instance.
*/
public SerializationConfig(BaseSettings base,
SubtypeResolver str, SimpleMixInResolver mixins,
RootNameLookup rootNames)
{
super(base, str, mixins, rootNames);
_serFeatures = collectFeatureDefaults(SerializationFeature.class);
_filterProvider = null;
_defaultPrettyPrinter = DEFAULT_PRETTY_PRINTER;
_generatorFeatures = 0;
_generatorFeaturesToChange = 0;
}
private SerializationConfig(SerializationConfig src, SubtypeResolver str)
{
super(src, str);
_serFeatures = src._serFeatures;
_serializationInclusion = src._serializationInclusion;
_filterProvider = src._filterProvider;
_defaultPrettyPrinter = src._defaultPrettyPrinter;
_generatorFeatures = src._generatorFeatures;
_generatorFeaturesToChange = src._generatorFeaturesToChange;
}
private SerializationConfig(SerializationConfig src,
int mapperFeatures, int serFeatures,
int generatorFeatures, int generatorFeatureMask)
{
super(src, mapperFeatures);
_serFeatures = serFeatures;
_serializationInclusion = src._serializationInclusion;
_filterProvider = src._filterProvider;
_defaultPrettyPrinter = src._defaultPrettyPrinter;
_generatorFeatures = generatorFeatures;
_generatorFeaturesToChange = generatorFeatureMask;
}
private SerializationConfig(SerializationConfig src, BaseSettings base)
{
super(src, base);
_serFeatures = src._serFeatures;
_serializationInclusion = src._serializationInclusion;
_filterProvider = src._filterProvider;
_defaultPrettyPrinter = src._defaultPrettyPrinter;
_generatorFeatures = src._generatorFeatures;
_generatorFeaturesToChange = src._generatorFeaturesToChange;
}
private SerializationConfig(SerializationConfig src, FilterProvider filters)
{
super(src);
_serFeatures = src._serFeatures;
_serializationInclusion = src._serializationInclusion;
_filterProvider = filters;
_defaultPrettyPrinter = src._defaultPrettyPrinter;
_generatorFeatures = src._generatorFeatures;
_generatorFeaturesToChange = src._generatorFeaturesToChange;
}
private SerializationConfig(SerializationConfig src, Class view)
{
super(src, view);
_serFeatures = src._serFeatures;
_serializationInclusion = src._serializationInclusion;
_filterProvider = src._filterProvider;
_defaultPrettyPrinter = src._defaultPrettyPrinter;
_generatorFeatures = src._generatorFeatures;
_generatorFeaturesToChange = src._generatorFeaturesToChange;
}
private SerializationConfig(SerializationConfig src, JsonInclude.Include incl)
{
super(src);
_serFeatures = src._serFeatures;
_serializationInclusion = incl;
_filterProvider = src._filterProvider;
_defaultPrettyPrinter = src._defaultPrettyPrinter;
_generatorFeatures = src._generatorFeatures;
_generatorFeaturesToChange = src._generatorFeaturesToChange;
}
private SerializationConfig(SerializationConfig src, PropertyName rootName)
{
super(src, rootName);
_serFeatures = src._serFeatures;
_serializationInclusion = src._serializationInclusion;
_filterProvider = src._filterProvider;
_defaultPrettyPrinter = src._defaultPrettyPrinter;
_generatorFeatures = src._generatorFeatures;
_generatorFeaturesToChange = src._generatorFeaturesToChange;
}
/**
* @since 2.1
*/
protected SerializationConfig(SerializationConfig src, ContextAttributes attrs)
{
super(src, attrs);
_serFeatures = src._serFeatures;
_serializationInclusion = src._serializationInclusion;
_filterProvider = src._filterProvider;
_defaultPrettyPrinter = src._defaultPrettyPrinter;
_generatorFeatures = src._generatorFeatures;
_generatorFeaturesToChange = src._generatorFeaturesToChange;
}
/**
* @since 2.1
*/
protected SerializationConfig(SerializationConfig src, SimpleMixInResolver mixins)
{
super(src, mixins);
_serFeatures = src._serFeatures;
_serializationInclusion = src._serializationInclusion;
_filterProvider = src._filterProvider;
_defaultPrettyPrinter = src._defaultPrettyPrinter;
_generatorFeatures = src._generatorFeatures;
_generatorFeaturesToChange = src._generatorFeaturesToChange;
}
/**
* @since 2.6
*/
protected SerializationConfig(SerializationConfig src, PrettyPrinter defaultPP)
{
super(src);
_serFeatures = src._serFeatures;
_serializationInclusion = src._serializationInclusion;
_filterProvider = src._filterProvider;
_defaultPrettyPrinter = defaultPP;
_generatorFeatures = src._generatorFeatures;
_generatorFeaturesToChange = src._generatorFeaturesToChange;
}
/**
* Copy-constructor used for making a copy to be used by new {@link ObjectMapper}
* or {@link ObjectReader}.
*
* @since 2.6
*/
protected SerializationConfig(SerializationConfig src, SimpleMixInResolver mixins,
RootNameLookup rootNames)
{
super(src, mixins, rootNames);
_serFeatures = src._serFeatures;
_serializationInclusion = src._serializationInclusion;
_filterProvider = src._filterProvider;
_defaultPrettyPrinter = src._defaultPrettyPrinter;
_generatorFeatures = src._generatorFeatures;
_generatorFeaturesToChange = src._generatorFeaturesToChange;
}
/*
/**********************************************************
/* Life-cycle, factory methods from MapperConfig
/**********************************************************
*/
/**
* Fluent factory method that will construct and return a new configuration
* object instance with specified features enabled.
*/
@Override
public SerializationConfig with(MapperFeature... features)
{
int newMapperFlags = _mapperFeatures;
for (MapperFeature f : features) {
newMapperFlags |= f.getMask();
}
return (newMapperFlags == _mapperFeatures) ? this
: new SerializationConfig(this, newMapperFlags, _serFeatures,
_generatorFeatures, _generatorFeaturesToChange);
}
/**
* Fluent factory method that will construct and return a new configuration
* object instance with specified features disabled.
*/
@Override
public SerializationConfig without(MapperFeature... features)
{
int newMapperFlags = _mapperFeatures;
for (MapperFeature f : features) {
newMapperFlags &= ~f.getMask();
}
return (newMapperFlags == _mapperFeatures) ? this
: new SerializationConfig(this, newMapperFlags, _serFeatures,
_generatorFeatures, _generatorFeaturesToChange);
}
@Override
public SerializationConfig with(MapperFeature feature, boolean state)
{
int newMapperFlags;
if (state) {
newMapperFlags = _mapperFeatures | feature.getMask();
} else {
newMapperFlags = _mapperFeatures & ~feature.getMask();
}
return (newMapperFlags == _mapperFeatures) ? this
: new SerializationConfig(this, newMapperFlags, _serFeatures,
_generatorFeatures, _generatorFeaturesToChange);
}
@Override
public SerializationConfig with(AnnotationIntrospector ai) {
return _withBase(_base.withAnnotationIntrospector(ai));
}
@Override
public SerializationConfig withAppendedAnnotationIntrospector(AnnotationIntrospector ai) {
return _withBase(_base.withAppendedAnnotationIntrospector(ai));
}
@Override
public SerializationConfig withInsertedAnnotationIntrospector(AnnotationIntrospector ai) {
return _withBase(_base.withInsertedAnnotationIntrospector(ai));
}
@Override
public SerializationConfig with(ClassIntrospector ci) {
return _withBase(_base.withClassIntrospector(ci));
}
/**
* In addition to constructing instance with specified date format,
* will enable or disable SerializationFeature.WRITE_DATES_AS_TIMESTAMPS
* (enable if format set as null; disable if non-null)
*/
@Override
public SerializationConfig with(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(SerializationFeature.WRITE_DATES_AS_TIMESTAMPS);
} else {
cfg = cfg.without(SerializationFeature.WRITE_DATES_AS_TIMESTAMPS);
}
return cfg;
}
@Override
public SerializationConfig with(HandlerInstantiator hi) {
return _withBase(_base.withHandlerInstantiator(hi));
}
@Override
public SerializationConfig with(PropertyNamingStrategy pns) {
return _withBase(_base.withPropertyNamingStrategy(pns));
}
@Override
public SerializationConfig withRootName(PropertyName rootName) {
if (rootName == null) {
if (_rootName == null) {
return this;
}
} else if (rootName.equals(_rootName)) {
return this;
}
return new SerializationConfig(this, rootName);
}
@Override
public SerializationConfig with(SubtypeResolver str) {
return (str == _subtypeResolver)? this : new SerializationConfig(this, str);
}
@Override
public SerializationConfig with(TypeFactory tf) {
return _withBase(_base.withTypeFactory(tf));
}
@Override
public SerializationConfig with(TypeResolverBuilder trb) {
return _withBase(_base.withTypeResolverBuilder(trb));
}
@Override
public SerializationConfig withView(Class view) {
return (_view == view) ? this : new SerializationConfig(this, view);
}
@Override
public SerializationConfig with(VisibilityChecker vc) {
return _withBase(_base.withVisibilityChecker(vc));
}
@Override
public SerializationConfig withVisibility(PropertyAccessor forMethod, JsonAutoDetect.Visibility visibility) {
return _withBase(_base.withVisibility(forMethod, visibility));
}
@Override
public SerializationConfig with(Locale l) {
return _withBase(_base.with(l));
}
@Override
public SerializationConfig with(TimeZone tz) {
return _withBase(_base.with(tz));
}
@Override
public SerializationConfig with(Base64Variant base64) {
return _withBase(_base.with(base64));
}
@Override
public SerializationConfig with(ContextAttributes attrs) {
return (attrs == _attributes) ? this : new SerializationConfig(this, attrs);
}
private final SerializationConfig _withBase(BaseSettings newBase) {
return (_base == newBase) ? this : new SerializationConfig(this, newBase);
}
/*
/**********************************************************
/* Factory methods for SerializationFeature
/**********************************************************
*/
/**
* Fluent factory method that will construct and return a new configuration
* object instance with specified feature enabled.
*/
public SerializationConfig with(SerializationFeature feature)
{
int newSerFeatures = _serFeatures | feature.getMask();
return (newSerFeatures == _serFeatures) ? this
: new SerializationConfig(this, _mapperFeatures, newSerFeatures,
_generatorFeatures, _generatorFeaturesToChange);
}
/**
* Fluent factory method that will construct and return a new configuration
* object instance with specified features enabled.
*/
public SerializationConfig with(SerializationFeature first, SerializationFeature... features)
{
int newSerFeatures = _serFeatures | first.getMask();
for (SerializationFeature f : features) {
newSerFeatures |= f.getMask();
}
return (newSerFeatures == _serFeatures) ? this
: new SerializationConfig(this, _mapperFeatures, newSerFeatures,
_generatorFeatures, _generatorFeaturesToChange);
}
/**
* Fluent factory method that will construct and return a new configuration
* object instance with specified features enabled.
*/
public SerializationConfig withFeatures(SerializationFeature... features)
{
int newSerFeatures = _serFeatures;
for (SerializationFeature f : features) {
newSerFeatures |= f.getMask();
}
return (newSerFeatures == _serFeatures) ? this
: new SerializationConfig(this, _mapperFeatures, newSerFeatures,
_generatorFeatures, _generatorFeaturesToChange);
}
/**
* Fluent factory method that will construct and return a new configuration
* object instance with specified feature disabled.
*/
public SerializationConfig without(SerializationFeature feature)
{
int newSerFeatures = _serFeatures & ~feature.getMask();
return (newSerFeatures == _serFeatures) ? this
: new SerializationConfig(this, _mapperFeatures, newSerFeatures,
_generatorFeatures, _generatorFeaturesToChange);
}
/**
* Fluent factory method that will construct and return a new configuration
* object instance with specified features disabled.
*/
public SerializationConfig without(SerializationFeature first, SerializationFeature... features)
{
int newSerFeatures = _serFeatures & ~first.getMask();
for (SerializationFeature f : features) {
newSerFeatures &= ~f.getMask();
}
return (newSerFeatures == _serFeatures) ? this
: new SerializationConfig(this, _mapperFeatures, newSerFeatures,
_generatorFeatures, _generatorFeaturesToChange);
}
/**
* Fluent factory method that will construct and return a new configuration
* object instance with specified features disabled.
*/
public SerializationConfig withoutFeatures(SerializationFeature... features)
{
int newSerFeatures = _serFeatures;
for (SerializationFeature f : features) {
newSerFeatures &= ~f.getMask();
}
return (newSerFeatures == _serFeatures) ? this
: new SerializationConfig(this, _mapperFeatures, newSerFeatures,
_generatorFeatures, _generatorFeaturesToChange);
}
/*
/**********************************************************
/* Factory methods for JsonGenerator.Feature
/**********************************************************
*/
/**
* Fluent factory method that will construct and return a new configuration
* object instance with specified feature enabled.
*
* @since 2.5
*/
public SerializationConfig with(JsonGenerator.Feature feature)
{
int newSet = _generatorFeatures | feature.getMask();
int newMask = _generatorFeaturesToChange | feature.getMask();
return ((_generatorFeatures == newSet) && (_generatorFeaturesToChange == newMask)) ? this :
new SerializationConfig(this, _mapperFeatures, _serFeatures,
newSet, newMask);
}
/**
* Fluent factory method that will construct and return a new configuration
* object instance with specified features enabled.
*
* @since 2.5
*/
public SerializationConfig withFeatures(JsonGenerator.Feature... features)
{
int newSet = _generatorFeatures;
int newMask = _generatorFeaturesToChange;
for (JsonGenerator.Feature f : features) {
int mask = f.getMask();
newSet |= mask;
newMask |= mask;
}
return ((_generatorFeatures == newSet) && (_generatorFeaturesToChange == newMask)) ? this :
new SerializationConfig(this, _mapperFeatures, _serFeatures,
newSet, newMask);
}
/**
* Fluent factory method that will construct and return a new configuration
* object instance with specified feature disabled.
*
* @since 2.5
*/
public SerializationConfig without(JsonGenerator.Feature feature)
{
int newSet = _generatorFeatures & ~feature.getMask();
int newMask = _generatorFeaturesToChange | feature.getMask();
return ((_generatorFeatures == newSet) && (_generatorFeaturesToChange == newMask)) ? this :
new SerializationConfig(this, _mapperFeatures, _serFeatures,
newSet, newMask);
}
/**
* Fluent factory method that will construct and return a new configuration
* object instance with specified features disabled.
*
* @since 2.5
*/
public SerializationConfig withoutFeatures(JsonGenerator.Feature... features)
{
int newSet = _generatorFeatures;
int newMask = _generatorFeaturesToChange;
for (JsonGenerator.Feature f : features) {
int mask = f.getMask();
newSet &= ~mask;
newMask |= mask;
}
return ((_generatorFeatures == newSet) && (_generatorFeaturesToChange == newMask)) ? this :
new SerializationConfig(this, _mapperFeatures, _serFeatures,
newSet, newMask);
}
/*
/**********************************************************
/* Factory methods, other
/**********************************************************
*/
public SerializationConfig withFilters(FilterProvider filterProvider) {
return (filterProvider == _filterProvider) ? this : new SerializationConfig(this, filterProvider);
}
public SerializationConfig withSerializationInclusion(JsonInclude.Include incl) {
return (_serializationInclusion == incl) ? this: new SerializationConfig(this, incl);
}
/**
* @since 2.6
*/
public SerializationConfig withDefaultPrettyPrinter(PrettyPrinter pp) {
return (_defaultPrettyPrinter == pp) ? this: new SerializationConfig(this, pp);
}
/*
/**********************************************************
/* Factories for objects configured here
/**********************************************************
*/
public PrettyPrinter constructDefaultPrettyPrinter() {
PrettyPrinter pp = _defaultPrettyPrinter;
if (pp instanceof Instantiatable) {
pp = (PrettyPrinter) ((Instantiatable) pp).createInstance();
}
return pp;
}
/*
/**********************************************************
/* JsonParser initialization
/**********************************************************
*/
/**
* Method called by {@link ObjectMapper} and {@link ObjectWriter}
* to modify those {@link com.fasterxml.jackson.core.JsonGenerator.Feature} settings
* that have been configured via this config instance.
*
* @since 2.5
*/
public void initialize(JsonGenerator g)
{
if (SerializationFeature.INDENT_OUTPUT.enabledIn(_serFeatures)) {
// but do not override an explicitly set one
if (g.getPrettyPrinter() == null) {
PrettyPrinter pp = constructDefaultPrettyPrinter();
if (pp != null) {
g.setPrettyPrinter(pp);
}
}
}
@SuppressWarnings("deprecation")
boolean useBigDec = SerializationFeature.WRITE_BIGDECIMAL_AS_PLAIN.enabledIn(_serFeatures);
if ((_generatorFeaturesToChange != 0) || useBigDec) {
int orig = g.getFeatureMask();
int newFlags = (orig & ~_generatorFeaturesToChange) | _generatorFeatures;
// although deprecated, needs to be supported for now
if (useBigDec) {
newFlags |= JsonGenerator.Feature.WRITE_BIGDECIMAL_AS_PLAIN.getMask();
}
if (orig != newFlags) {
g.setFeatureMask(newFlags);
}
}
}
/*
/**********************************************************
/* MapperConfig implementation/overrides
/**********************************************************
*/
@Override
public boolean useRootWrapping()
{
if (_rootName != null) { // empty String disables wrapping; non-empty enables
return !_rootName.isEmpty();
}
return isEnabled(SerializationFeature.WRAP_ROOT_VALUE);
}
@Override
public AnnotationIntrospector getAnnotationIntrospector()
{
if (isEnabled(MapperFeature.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.
*/
@Override
public BeanDescription introspectClassAnnotations(JavaType type) {
return 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.
*/
@Override
public BeanDescription introspectDirectClassAnnotations(JavaType type) {
return getClassIntrospector().forDirectClassAnnotations(this, type, this);
}
@Override
public VisibilityChecker getDefaultVisibilityChecker()
{
VisibilityChecker vchecker = super.getDefaultVisibilityChecker();
if (!isEnabled(MapperFeature.AUTO_DETECT_GETTERS)) {
vchecker = vchecker.withGetterVisibility(Visibility.NONE);
}
// then global overrides (disabling)
if (!isEnabled(MapperFeature.AUTO_DETECT_IS_GETTERS)) {
vchecker = vchecker.withIsGetterVisibility(Visibility.NONE);
}
if (!isEnabled(MapperFeature.AUTO_DETECT_FIELDS)) {
vchecker = vchecker.withFieldVisibility(Visibility.NONE);
}
return vchecker;
}
/*
/**********************************************************
/* Configuration: other
/**********************************************************
*/
public final boolean isEnabled(SerializationFeature f) {
return (_serFeatures & f.getMask()) != 0;
}
/**
* Accessor method that first checks if we have any overrides
* for feature, and only if not, checks state of passed-in
* factory.
*
* @since 2.5
*/
public final boolean isEnabled(JsonGenerator.Feature f, JsonFactory factory) {
int mask = f.getMask();
if ((_generatorFeaturesToChange & mask) != 0) {
return (_generatorFeatures & 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 hasSerializationFeatures(int featureMask) {
return (_serFeatures & featureMask) == featureMask;
}
public final int getSerializationFeatures() {
return _serFeatures;
}
public JsonInclude.Include getSerializationInclusion()
{
if (_serializationInclusion != null) {
return _serializationInclusion;
}
return JsonInclude.Include.ALWAYS;
}
/**
* 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})
*/
public FilterProvider getFilterProvider() {
return _filterProvider;
}
/**
* Accessor for configured blueprint "default" {@link PrettyPrinter} to
* use, if default pretty-printing is enabled.
*
* NOTE: returns the "blueprint" instance, and does NOT construct
* an instance ready to use; call {@link #constructDefaultPrettyPrinter()} if
* actually usable instance is desired.
*
* @since 2.6
*/
public PrettyPrinter getDefaultPrettyPrinter() {
return _defaultPrettyPrinter;
}
/*
/**********************************************************
/* 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);
}
/*
/**********************************************************
/* Debug support
/**********************************************************
*/
@Override
public String toString() {
return "[SerializationConfig: flags=0x"+Integer.toHexString(_serFeatures)+"]";
}
}