use of com.fasterxml.jackson.databind.ser.impl.PropertyBasedObjectIdGenerator in project jackson-databind by FasterXML.
the class BeanSerializerFactory method constructObjectIdHandler.
protected ObjectIdWriter constructObjectIdHandler(SerializerProvider prov, BeanDescription beanDesc, List<BeanPropertyWriter> props) throws JsonMappingException {
ObjectIdInfo objectIdInfo = beanDesc.getObjectIdInfo();
if (objectIdInfo == null) {
return null;
}
ObjectIdGenerator<?> gen;
Class<?> implClass = objectIdInfo.getGeneratorType();
// Just one special case: Property-based generator is trickier
if (implClass == ObjectIdGenerators.PropertyGenerator.class) {
// most special one, needs extra work
String propName = objectIdInfo.getPropertyName().getSimpleName();
BeanPropertyWriter idProp = null;
for (int i = 0, len = props.size(); ; ++i) {
if (i == len) {
throw new IllegalArgumentException("Invalid Object Id definition for " + beanDesc.getBeanClass().getName() + ": can not find property with name '" + propName + "'");
}
BeanPropertyWriter prop = props.get(i);
if (propName.equals(prop.getName())) {
idProp = prop;
/* Let's force it to be the first property to output
* (although it may still get rearranged etc)
*/
if (i > 0) {
props.remove(i);
props.add(0, idProp);
}
break;
}
}
JavaType idType = idProp.getType();
gen = new PropertyBasedObjectIdGenerator(objectIdInfo, idProp);
// one more thing: must ensure that ObjectIdWriter does not actually write the value:
return ObjectIdWriter.construct(idType, (PropertyName) null, gen, objectIdInfo.getAlwaysAsId());
}
// other types are simpler
JavaType type = prov.constructType(implClass);
// Could require type to be passed explicitly, but we should be able to find it too:
JavaType idType = prov.getTypeFactory().findTypeParameters(type, ObjectIdGenerator.class)[0];
gen = prov.objectIdGeneratorInstance(beanDesc.getClassInfo(), objectIdInfo);
return ObjectIdWriter.construct(idType, objectIdInfo.getPropertyName(), gen, objectIdInfo.getAlwaysAsId());
}
use of com.fasterxml.jackson.databind.ser.impl.PropertyBasedObjectIdGenerator in project jackson-databind by FasterXML.
the class BeanSerializerBase method createContextual.
@SuppressWarnings("incomplete-switch")
@Override
public JsonSerializer<?> createContextual(SerializerProvider provider, BeanProperty property) throws JsonMappingException {
final AnnotationIntrospector intr = provider.getAnnotationIntrospector();
final AnnotatedMember accessor = (property == null || intr == null) ? null : property.getMember();
final SerializationConfig config = provider.getConfig();
// Let's start with one big transmutation: Enums that are annotated
// to serialize as Objects may want to revert
JsonFormat.Value format = findFormatOverrides(provider, property, handledType());
JsonFormat.Shape shape = null;
if ((format != null) && format.hasShape()) {
shape = format.getShape();
// or, alternatively, asked to revert "back to" other representations...
if ((shape != JsonFormat.Shape.ANY) && (shape != _serializationShape)) {
if (_handledType.isEnum()) {
switch(shape) {
case STRING:
case NUMBER:
case NUMBER_INT:
// 12-Oct-2014, tatu: May need to introspect full annotations... but
// for now, just do class ones
BeanDescription desc = config.introspectClassAnnotations(_beanType);
JsonSerializer<?> ser = EnumSerializer.construct(_beanType.getRawClass(), provider.getConfig(), desc, format);
return provider.handlePrimaryContextualization(ser, property);
}
// 16-Oct-2016, tatu: Ditto for `Map`, `Map.Entry` subtypes
} else if (shape == JsonFormat.Shape.NATURAL) {
if (_beanType.isMapLikeType() && Map.class.isAssignableFrom(_handledType)) {
;
} else if (Map.Entry.class.isAssignableFrom(_handledType)) {
JavaType mapEntryType = _beanType.findSuperType(Map.Entry.class);
JavaType kt = mapEntryType.containedTypeOrUnknown(0);
JavaType vt = mapEntryType.containedTypeOrUnknown(1);
// 16-Oct-2016, tatu: could have problems with type handling, as we do not
// see if "static" typing is needed, nor look for `TypeSerializer` yet...
JsonSerializer<?> ser = new MapEntrySerializer(_beanType, kt, vt, false, null, property);
return provider.handlePrimaryContextualization(ser, property);
}
}
}
}
ObjectIdWriter oiw = _objectIdWriter;
Set<String> ignoredProps = null;
Object newFilterId = null;
// Then we may have an override for Object Id
if (accessor != null) {
JsonIgnoreProperties.Value ignorals = intr.findPropertyIgnorals(accessor);
if (ignorals != null) {
ignoredProps = ignorals.findIgnoredForSerialization();
}
ObjectIdInfo objectIdInfo = intr.findObjectIdInfo(accessor);
if (objectIdInfo == null) {
// no ObjectId override, but maybe ObjectIdRef?
if (oiw != null) {
objectIdInfo = intr.findObjectReferenceInfo(accessor, new ObjectIdInfo(NAME_FOR_OBJECT_REF, null, null, null));
oiw = _objectIdWriter.withAlwaysAsId(objectIdInfo.getAlwaysAsId());
}
} else {
/* Ugh: mostly copied from BeanSerializerBase: but can't easily
* change it to be able to move to SerializerProvider (where it
* really belongs)
*/
// 2.1: allow modifications by "id ref" annotations as well:
objectIdInfo = intr.findObjectReferenceInfo(accessor, objectIdInfo);
ObjectIdGenerator<?> gen;
Class<?> implClass = objectIdInfo.getGeneratorType();
JavaType type = provider.constructType(implClass);
JavaType idType = provider.getTypeFactory().findTypeParameters(type, ObjectIdGenerator.class)[0];
// Property-based generator is trickier
if (implClass == ObjectIdGenerators.PropertyGenerator.class) {
// most special one, needs extra work
String propName = objectIdInfo.getPropertyName().getSimpleName();
BeanPropertyWriter idProp = null;
for (int i = 0, len = _props.length; ; ++i) {
if (i == len) {
throw new IllegalArgumentException("Invalid Object Id definition for " + _handledType.getName() + ": can not find property with name '" + propName + "'");
}
BeanPropertyWriter prop = _props[i];
if (propName.equals(prop.getName())) {
idProp = prop;
/* Let's force it to be the first property to output
* (although it may still get rearranged etc)
*/
if (i > 0) {
// note: must shuffle both regular properties and filtered
System.arraycopy(_props, 0, _props, 1, i);
_props[0] = idProp;
if (_filteredProps != null) {
BeanPropertyWriter fp = _filteredProps[i];
System.arraycopy(_filteredProps, 0, _filteredProps, 1, i);
_filteredProps[0] = fp;
}
}
break;
}
}
idType = idProp.getType();
gen = new PropertyBasedObjectIdGenerator(objectIdInfo, idProp);
oiw = ObjectIdWriter.construct(idType, (PropertyName) null, gen, objectIdInfo.getAlwaysAsId());
} else {
// other types need to be simpler
gen = provider.objectIdGeneratorInstance(accessor, objectIdInfo);
oiw = ObjectIdWriter.construct(idType, objectIdInfo.getPropertyName(), gen, objectIdInfo.getAlwaysAsId());
}
}
// Or change Filter Id in use?
Object filterId = intr.findFilterId(accessor);
if (filterId != null) {
// but only consider case of adding a new filter id (no removal via annotation)
if (_propertyFilterId == null || !filterId.equals(_propertyFilterId)) {
newFilterId = filterId;
}
}
}
// either way, need to resolve serializer:
BeanSerializerBase contextual = this;
if (oiw != null) {
JsonSerializer<?> ser = provider.findValueSerializer(oiw.idType, property);
oiw = oiw.withSerializer(ser);
if (oiw != _objectIdWriter) {
contextual = contextual.withObjectIdWriter(oiw);
}
}
// And possibly add more properties to ignore
if ((ignoredProps != null) && !ignoredProps.isEmpty()) {
contextual = contextual.withIgnorals(ignoredProps);
}
if (newFilterId != null) {
contextual = contextual.withFilterId(newFilterId);
}
if (shape == null) {
shape = _serializationShape;
}
// last but not least; may need to transmute into as-array serialization
if (shape == JsonFormat.Shape.ARRAY) {
return contextual.asArraySerializer();
}
return contextual;
}
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