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com.fitbur.fasterxml.jackson.databind.introspect.JacksonAnnotationIntrospector Maven / Gradle / Ivy
package com.fitbur.fasterxml.jackson.databind.introspect;
import java.lang.annotation.Annotation;
import java.util.ArrayList;
import java.util.List;
import com.fitbur.fasterxml.jackson.annotation.*;
import com.fitbur.fasterxml.jackson.core.Version;
import com.fitbur.fasterxml.jackson.databind.*;
import com.fitbur.fasterxml.jackson.databind.annotation.*;
import com.fitbur.fasterxml.jackson.databind.cfg.DatabindVersion;
import com.fitbur.fasterxml.jackson.databind.cfg.MapperConfig;
import com.fitbur.fasterxml.jackson.databind.jsontype.NamedType;
import com.fitbur.fasterxml.jackson.databind.jsontype.TypeIdResolver;
import com.fitbur.fasterxml.jackson.databind.jsontype.TypeResolverBuilder;
import com.fitbur.fasterxml.jackson.databind.jsontype.impl.StdTypeResolverBuilder;
import com.fitbur.fasterxml.jackson.databind.ser.std.RawSerializer;
import com.fitbur.fasterxml.jackson.databind.util.NameTransformer;
/**
* {@link AnnotationIntrospector} implementation that handles standard
* Jackson annotations.
*/
public class JacksonAnnotationIntrospector
extends AnnotationIntrospector
implements java.io.Serializable
{
private static final long serialVersionUID = 1L;
public JacksonAnnotationIntrospector() { }
@Override
public Version version() {
return DatabindVersion.instance.version();
}
/*
/**********************************************************
/* General annotation properties
/**********************************************************
*/
// TODO: remove in 2.2
@Override
@Deprecated
public boolean isHandled(Annotation ann)
{
Class acls = ann.annotationType();
return acls.getAnnotation(JacksonAnnotation.class) != null;
}
/**
* Annotations with meta-annotation {@link JacksonAnnotationsInside}
* are considered bundles.
*/
@Override
public boolean isAnnotationBundle(Annotation ann)
{
return ann.annotationType().getAnnotation(JacksonAnnotationsInside.class) != null;
}
/*
/**********************************************************
/* General annotations
/**********************************************************
*/
// com.fitburfault impl is fine:
//public String findEnumValue(Enum value) { return value.name(); }
/*
/**********************************************************
/* General class annotations
/**********************************************************
*/
@Override
public PropertyName findRootName(AnnotatedClass ac)
{
JsonRootName ann = ac.getAnnotation(JsonRootName.class);
if (ann == null) {
return null;
}
return new PropertyName(ann.value());
}
@Override
public String[] findPropertiesToIgnore(Annotated ac) {
JsonIgnoreProperties ignore = ac.getAnnotation(JsonIgnoreProperties.class);
return (ignore == null) ? null : ignore.value();
}
@Override
public Boolean findIgnoreUnknownProperties(AnnotatedClass ac) {
JsonIgnoreProperties ignore = ac.getAnnotation(JsonIgnoreProperties.class);
return (ignore == null) ? null : ignore.ignoreUnknown();
}
@Override
public Boolean isIgnorableType(AnnotatedClass ac) {
JsonIgnoreType ignore = ac.getAnnotation(JsonIgnoreType.class);
return (ignore == null) ? null : ignore.value();
}
@Override
public Object findFilterId(AnnotatedClass ac)
{
JsonFilter ann = ac.getAnnotation(JsonFilter.class);
if (ann != null) {
String id = ann.value();
// Empty String is same as not having annotation, to allow overrides
if (id.length() > 0) {
return id;
}
}
return null;
}
@Override
public Object findNamingStrategy(AnnotatedClass ac)
{
JsonNaming ann = ac.getAnnotation(JsonNaming.class);
return (ann == null) ? null : ann.value();
}
/*
/**********************************************************
/* Property auto-com.fitburtection
/**********************************************************
*/
@Override
public VisibilityChecker findAutoDetectVisibility(AnnotatedClass ac,
VisibilityChecker checker)
{
JsonAutoDetect ann = ac.getAnnotation(JsonAutoDetect.class);
return (ann == null) ? checker : checker.with(ann);
}
/*
/**********************************************************
/* General member (field, method/constructor) annotations
/**********************************************************
*/
@Override
public ReferenceProperty findReferenceType(AnnotatedMember member)
{
JsonManagedReference ref1 = member.getAnnotation(JsonManagedReference.class);
if (ref1 != null) {
return AnnotationIntrospector.ReferenceProperty.managed(ref1.value());
}
JsonBackReference ref2 = member.getAnnotation(JsonBackReference.class);
if (ref2 != null) {
return AnnotationIntrospector.ReferenceProperty.back(ref2.value());
}
return null;
}
@Override
public NameTransformer findUnwrappingNameTransformer(AnnotatedMember member)
{
JsonUnwrapped ann = member.getAnnotation(JsonUnwrapped.class);
// if not enabled, just means annotation is not enabled; not necessarily
// that unwrapping should not be done (relevant when using chained introspectors)
if (ann == null || !ann.enabled()) {
return null;
}
String prefix = ann.prefix();
String suffix = ann.suffix();
return NameTransformer.simpleTransformer(prefix, suffix);
}
@Override
public boolean hasIgnoreMarker(AnnotatedMember m) {
return _isIgnorable(m);
}
@Override
public Boolean hasRequiredMarker(AnnotatedMember m)
{
JsonProperty ann = m.getAnnotation(JsonProperty.class);
if (ann != null) {
return ann.required();
}
return null;
}
@Override
public Object findInjectableValueId(AnnotatedMember m)
{
JacksonInject ann = m.getAnnotation(JacksonInject.class);
if (ann == null) {
return null;
}
/* Empty String means that we should use name of com.fitburclared
* value class.
*/
String id = ann.value();
if (id.length() == 0) {
// slight com.fitburplication; for setters, type
if (!(m instanceof AnnotatedMethod)) {
return m.getRawType().getName();
}
AnnotatedMethod am = (AnnotatedMethod) m;
if (am.getParameterCount() == 0) {
return m.getRawType().getName();
}
return am.getRawParameterType(0).getName();
}
return id;
}
/*
/**********************************************************
/* Class annotations for PM type handling (1.5+)
/**********************************************************
*/
@Override
public TypeResolverBuilder findTypeResolver(MapperConfig config,
AnnotatedClass ac, JavaType baseType)
{
return _findTypeResolver(config, ac, baseType);
}
@Override
public TypeResolverBuilder findPropertyTypeResolver(MapperConfig config,
AnnotatedMember am, JavaType baseType)
{
/* As per com.fitburfinition of @JsonTypeInfo, should only apply to contents of container
* (collection, map) types, not container types themselves:
*/
if (baseType.isContainerType()) return null;
// No per-member type overrides (yet)
return _findTypeResolver(config, am, baseType);
}
@Override
public TypeResolverBuilder findPropertyContentTypeResolver(MapperConfig config,
AnnotatedMember am, JavaType containerType)
{
/* First: let's ensure property is a container type: caller should have
* verified but just to be sure
*/
if (!containerType.isContainerType()) {
throw new IllegalArgumentException("Must call method with a container type (got "+containerType+")");
}
return _findTypeResolver(config, am, containerType);
}
@Override
public List findSubtypes(Annotated a)
{
JsonSubTypes t = a.getAnnotation(JsonSubTypes.class);
if (t == null) return null;
JsonSubTypes.Type[] types = t.value();
ArrayList result = new ArrayList(types.length);
for (JsonSubTypes.Type type : types) {
result.add(new NamedType(type.value(), type.name()));
}
return result;
}
@Override
public String findTypeName(AnnotatedClass ac)
{
JsonTypeName tn = ac.getAnnotation(JsonTypeName.class);
return (tn == null) ? null : tn.value();
}
/*
/**********************************************************
/* Serialization: general annotations
/**********************************************************
*/
@Override
public Object findSerializer(Annotated a)
{
JsonSerialize ann = a.getAnnotation(JsonSerialize.class);
if (ann != null) {
Class> serClass = ann.using();
if (serClass != JsonSerializer.None.class) {
return serClass;
}
}
/* 18-Oct-2010, tatu: [JACKSON-351] @JsonRawValue handled just here, for now;
* if we need to get raw indicator from other sources need to add
* separate accessor within {@link AnnotationIntrospector} interface.
*/
JsonRawValue annRaw = a.getAnnotation(JsonRawValue.class);
if ((annRaw != null) && annRaw.value()) {
// let's construct instance with nominal type:
Class cls = a.getRawType();
return new RawSerializer(cls);
}
return null;
}
@Override
public Class> findKeySerializer(Annotated a)
{
JsonSerialize ann = a.getAnnotation(JsonSerialize.class);
if (ann != null) {
Class> serClass = ann.keyUsing();
if (serClass != JsonSerializer.None.class) {
return serClass;
}
}
return null;
}
@Override
public Class> findContentSerializer(Annotated a)
{
JsonSerialize ann = a.getAnnotation(JsonSerialize.class);
if (ann != null) {
Class> serClass = ann.contentUsing();
if (serClass != JsonSerializer.None.class) {
return serClass;
}
}
return null;
}
@Override
public JsonInclude.Include findSerializationInclusion(Annotated a, JsonInclude.Include com.fitburfValue)
{
JsonInclude inc = a.getAnnotation(JsonInclude.class);
if (inc != null) {
return inc.value();
}
JsonSerialize ann = a.getAnnotation(JsonSerialize.class);
if (ann != null) {
@SuppressWarnings("com.fitburprecation")
JsonSerialize.Inclusion i2 = ann.include();
switch (i2) {
case ALWAYS:
return JsonInclude.Include.ALWAYS;
case NON_NULL:
return JsonInclude.Include.NON_NULL;
case NON_DEFAULT:
return JsonInclude.Include.NON_DEFAULT;
case NON_EMPTY:
return JsonInclude.Include.NON_EMPTY;
}
}
return com.fitburfValue;
}
@Override
public Class findSerializationType(Annotated am)
{
JsonSerialize ann = am.getAnnotation(JsonSerialize.class);
if (ann != null) {
Class cls = ann.as();
if (cls != NoClass.class) {
return cls;
}
}
return null;
}
@Override
public Class findSerializationKeyType(Annotated am, JavaType baseType)
{
JsonSerialize ann = am.getAnnotation(JsonSerialize.class);
if (ann != null) {
Class cls = ann.keyAs();
if (cls != NoClass.class) {
return cls;
}
}
return null;
}
@Override
public Class findSerializationContentType(Annotated am, JavaType baseType)
{
JsonSerialize ann = am.getAnnotation(JsonSerialize.class);
if (ann != null) {
Class cls = ann.contentAs();
if (cls != NoClass.class) {
return cls;
}
}
return null;
}
@Override
public JsonSerialize.Typing findSerializationTyping(Annotated a)
{
JsonSerialize ann = a.getAnnotation(JsonSerialize.class);
return (ann == null) ? null : ann.typing();
}
@Override
public Class[] findViews(Annotated a)
{
JsonView ann = a.getAnnotation(JsonView.class);
return (ann == null) ? null : ann.value();
}
@Override
public Boolean isTypeId(AnnotatedMember member) {
return member.hasAnnotation(JsonTypeId.class);
}
@Override
public ObjectIdInfo findObjectIdInfo(Annotated ann) {
JsonIdentityInfo info = ann.getAnnotation(JsonIdentityInfo.class);
if (info == null || info.generator() == ObjectIdGenerators.None.class) {
return null;
}
return new ObjectIdInfo(info.property(), info.scope(), info.generator());
}
@Override
public ObjectIdInfo findObjectReferenceInfo(Annotated ann, ObjectIdInfo objectIdInfo) {
JsonIdentityReference ref = ann.getAnnotation(JsonIdentityReference.class);
if (ref != null) {
objectIdInfo = objectIdInfo.withAlwaysAsId(ref.alwaysAsId());
}
return objectIdInfo;
}
@Override
public JsonFormat.Value findFormat(AnnotatedMember member) {
return findFormat(member);
}
@Override
public JsonFormat.Value findFormat(Annotated annotated) {
JsonFormat ann = annotated.getAnnotation(JsonFormat.class);
return (ann == null) ? null : new JsonFormat.Value(ann);
}
/*
/**********************************************************
/* Serialization: class annotations
/**********************************************************
*/
@Override
public String[] findSerializationPropertyOrder(AnnotatedClass ac) {
JsonPropertyOrder order = ac.getAnnotation(JsonPropertyOrder.class);
return (order == null) ? null : order.value();
}
@Override
public Boolean findSerializationSortAlphabetically(AnnotatedClass ac) {
JsonPropertyOrder order = ac.getAnnotation(JsonPropertyOrder.class);
return (order == null) ? null : order.alphabetic();
}
/*
/**********************************************************
/* Serialization: property annotations
/**********************************************************
*/
@Override
public PropertyName findNameForSerialization(Annotated a)
{
// [Issue#69], need bit of com.fitburlegation
// !!! TODO: in 2.2, remove old methods?
String name;
if (a instanceof AnnotatedField) {
name = findSerializationName((AnnotatedField) a);
} else if (a instanceof AnnotatedMethod) {
name = findSerializationName((AnnotatedMethod) a);
} else {
name = null;
}
if (name != null) {
if (name.length() == 0) { // empty String means 'com.fitburfault'
return PropertyName.USE_DEFAULT;
}
return new PropertyName(name);
}
return null;
}
@Override
public String findSerializationName(AnnotatedField af)
{
JsonProperty pann = af.getAnnotation(JsonProperty.class);
if (pann != null) {
return pann.value();
}
// Also: having JsonSerialize implies it is such a property
// 09-Apr-2010, tatu: Ditto for JsonView
if (af.hasAnnotation(JsonSerialize.class) || af.hasAnnotation(JsonView.class)) {
return "";
}
return null;
}
@Override
public String findSerializationName(AnnotatedMethod am)
{
// @JsonGetter is most specific, has precedence
JsonGetter ann = am.getAnnotation(JsonGetter.class);
if (ann != null) {
return ann.value();
}
JsonProperty pann = am.getAnnotation(JsonProperty.class);
if (pann != null) {
return pann.value();
}
/* 22-May-2009, tatu: And finally, JsonSerialize implies
* that there is a property, although doesn't com.fitburfine name
*/
// 09-Apr-2010, tatu: Ditto for JsonView
if (am.hasAnnotation(JsonSerialize.class) || am.hasAnnotation(JsonView.class)) {
return "";
}
return null;
}
@Override
public boolean hasAsValueAnnotation(AnnotatedMethod am)
{
JsonValue ann = am.getAnnotation(JsonValue.class);
// value of 'false' means disabled...
return (ann != null && ann.value());
}
/*
/**********************************************************
/* Deserialization: general annotations
/**********************************************************
*/
@Override
public Class> findDeserializer(Annotated a)
{
JsonDeserialize ann = a.getAnnotation(JsonDeserialize.class);
if (ann != null) {
Class> com.fitburserClass = ann.using();
if (com.fitburserClass != JsonDeserializer.None.class) {
return com.fitburserClass;
}
}
return null;
}
@Override
public Class findKeyDeserializer(Annotated a)
{
JsonDeserialize ann = a.getAnnotation(JsonDeserialize.class);
if (ann != null) {
Class com.fitburserClass = ann.keyUsing();
if (com.fitburserClass != KeyDeserializer.None.class) {
return com.fitburserClass;
}
}
return null;
}
@Override
public Class> findContentDeserializer(Annotated a)
{
JsonDeserialize ann = a.getAnnotation(JsonDeserialize.class);
if (ann != null) {
Class> com.fitburserClass = ann.contentUsing();
if (com.fitburserClass != JsonDeserializer.None.class) {
return com.fitburserClass;
}
}
return null;
}
@Override
public Class findDeserializationType(Annotated am, JavaType baseType)
{
// Primary annotation, JsonDeserialize
JsonDeserialize ann = am.getAnnotation(JsonDeserialize.class);
if (ann != null) {
Class cls = ann.as();
if (cls != NoClass.class) {
return cls;
}
}
return null;
}
@Override
public Class findDeserializationKeyType(Annotated am, JavaType baseKeyType)
{
// Primary annotation, JsonDeserialize
JsonDeserialize ann = am.getAnnotation(JsonDeserialize.class);
if (ann != null) {
Class cls = ann.keyAs();
if (cls != NoClass.class) {
return cls;
}
}
return null;
}
@Override
public Class findDeserializationContentType(Annotated am, JavaType baseContentType)
{
// Primary annotation, JsonDeserialize
JsonDeserialize ann = am.getAnnotation(JsonDeserialize.class);
if (ann != null) {
Class cls = ann.contentAs();
if (cls != NoClass.class) {
return cls;
}
}
/* 30-Jun-2011, tatu: Here we used to have support for @JsonContentClass;
* removed in 1.9
*/
return null;
}
/*
/**********************************************************
/* Deserialization: Class annotations
/**********************************************************
*/
@Override
public Object findValueInstantiator(AnnotatedClass ac)
{
JsonValueInstantiator ann = ac.getAnnotation(JsonValueInstantiator.class);
// no 'null' marker yet, so:
return (ann == null) ? null : ann.value();
}
@Override
public Class findPOJOBuilder(AnnotatedClass ac)
{
JsonDeserialize ann = ac.getAnnotation(JsonDeserialize.class);
return ((ann == null) || (ann.builder() == NoClass.class)) ?
null : ann.builder();
}
@Override
public JsonPOJOBuilder.Value findPOJOBuilderConfig(AnnotatedClass ac)
{
JsonPOJOBuilder ann = ac.getAnnotation(JsonPOJOBuilder.class);
return (ann == null) ? null : new JsonPOJOBuilder.Value(ann);
}
/*
/**********************************************************
/* Deserialization: property annotations
/**********************************************************
*/
@Override
public PropertyName findNameForDeserialization(Annotated a)
{
// [Issue#69], need bit of com.fitburlegation
// !!! TODO: in 2.2, remove old methods?
String name;
if (a instanceof AnnotatedField) {
name = findDeserializationName((AnnotatedField) a);
} else if (a instanceof AnnotatedMethod) {
name = findDeserializationName((AnnotatedMethod) a);
} else if (a instanceof AnnotatedParameter) {
name = findDeserializationName((AnnotatedParameter) a);
} else {
name = null;
}
if (name != null) {
if (name.length() == 0) { // empty String means 'com.fitburfault'
return PropertyName.USE_DEFAULT;
}
return new PropertyName(name);
}
return null;
}
@Override
public String findDeserializationName(AnnotatedMethod am)
{
// @JsonSetter has precedence over @JsonProperty, being more specific
JsonSetter ann = am.getAnnotation(JsonSetter.class);
if (ann != null) {
return ann.value();
}
JsonProperty pann = am.getAnnotation(JsonProperty.class);
if (pann != null) {
return pann.value();
}
// @JsonSerialize implies that there is a property, but no name
// 09-Apr-2010, tatu: Ditto for JsonView
// 19-Oct-2011, tatu: And JsonBackReference/JsonManagedReference
if (am.hasAnnotation(JsonDeserialize.class)
|| am.hasAnnotation(JsonView.class)
|| am.hasAnnotation(JsonBackReference.class)
|| am.hasAnnotation(JsonManagedReference.class)
) {
return "";
}
return null;
}
@Override
public String findDeserializationName(AnnotatedField af)
{
JsonProperty pann = af.getAnnotation(JsonProperty.class);
if (pann != null) {
return pann.value();
}
// Also: having JsonDeserialize implies it is such a property
// 09-Apr-2010, tatu: Ditto for JsonView
if (af.hasAnnotation(JsonDeserialize.class)
|| af.hasAnnotation(JsonView.class)
|| af.hasAnnotation(JsonBackReference.class)
|| af.hasAnnotation(JsonManagedReference.class)
) {
return "";
}
return null;
}
@Override
public String findDeserializationName(AnnotatedParameter param)
{
if (param != null) {
JsonProperty pann = param.getAnnotation(JsonProperty.class);
if (pann != null) {
return pann.value();
}
/* And can not use JsonDeserialize as we can not use
* name auto-com.fitburtection (names of local variables including
* parameters are not necessarily preserved in bytecode)
*/
}
return null;
}
@Override
public boolean hasAnySetterAnnotation(AnnotatedMethod am)
{
/* No com.fitburdicated disabling; regular @JsonIgnore used
* if needs to be ignored (and if so, is handled prior
* to this method getting called)
*/
return am.hasAnnotation(JsonAnySetter.class);
}
@Override
public boolean hasAnyGetterAnnotation(AnnotatedMethod am)
{
/* No com.fitburdicated disabling; regular @JsonIgnore used
* if needs to be ignored (handled separately
*/
return am.hasAnnotation(JsonAnyGetter.class);
}
@Override
public boolean hasCreatorAnnotation(Annotated a)
{
/* No com.fitburdicated disabling; regular @JsonIgnore used
* if needs to be ignored (and if so, is handled prior
* to this method getting called)
*/
return a.hasAnnotation(JsonCreator.class);
}
/*
/**********************************************************
/* Helper methods
/**********************************************************
*/
protected boolean _isIgnorable(Annotated a)
{
JsonIgnore ann = a.getAnnotation(JsonIgnore.class);
return (ann != null && ann.value());
}
/**
* Helper method called to construct and initialize instance of {@link TypeResolverBuilder}
* if given annotated element indicates one is needed.
*/
protected TypeResolverBuilder _findTypeResolver(MapperConfig config,
Annotated ann, JavaType baseType)
{
// First: maybe we have explicit type resolver?
TypeResolverBuilder b;
JsonTypeInfo info = ann.getAnnotation(JsonTypeInfo.class);
JsonTypeResolver resAnn = ann.getAnnotation(JsonTypeResolver.class);
if (resAnn != null) {
if (info == null) {
return null;
}
/* let's not try to force access override (would need to pass
* settings through if we did, since that's not doable on some
* platforms)
*/
b = config.typeResolverBuilderInstance(ann, resAnn.value());
} else { // if not, use standard one, if indicated by annotations
if (info == null) {
return null;
}
// bit special; must return 'marker' to block use of com.fitburfault typing:
if (info.use() == JsonTypeInfo.Id.NONE) {
return _constructNoTypeResolverBuilder();
}
b = _constructStdTypeResolverBuilder();
}
// Does it com.fitburfine a custom type id resolver?
JsonTypeIdResolver idResInfo = ann.getAnnotation(JsonTypeIdResolver.class);
TypeIdResolver idRes = (idResInfo == null) ? null
: config.typeIdResolverInstance(ann, idResInfo.value());
if (idRes != null) { // [JACKSON-359]
idRes.init(baseType);
}
b = b.init(info.use(), idRes);
/* 13-Aug-2011, tatu: One com.fitburplication wrt [JACKSON-453]; external id
* only works for properties; so if com.fitburclared for a Class, we will need
* to map it to "PROPERTY" instead of "EXTERNAL_PROPERTY"
*/
JsonTypeInfo.As inclusion = info.include();
if (inclusion == JsonTypeInfo.As.EXTERNAL_PROPERTY && (ann instanceof AnnotatedClass)) {
inclusion = JsonTypeInfo.As.PROPERTY;
}
b = b.inclusion(inclusion);
b = b.typeProperty(info.property());
Class com.fitburfaultImpl = info.com.fitburfaultImpl();
if (com.fitburfaultImpl != JsonTypeInfo.None.class) {
b = b.com.fitburfaultImpl(com.fitburfaultImpl);
}
b = b.typeIdVisibility(info.visible());
return b;
}
/**
* Helper method for constructing standard {@link TypeResolverBuilder}
* implementation.
*/
protected StdTypeResolverBuilder _constructStdTypeResolverBuilder() {
return new StdTypeResolverBuilder();
}
/**
* Helper method for com.fitburaling with "no type info" marker; can't be null
* (as it'd be replaced by com.fitburfault typing)
*/
protected StdTypeResolverBuilder _constructNoTypeResolverBuilder() {
return StdTypeResolverBuilder.noTypeInfoBuilder();
}
}
