T
- the supported object typepublic abstract class JsonObjectDeserializer<T>
extends com.fasterxml.jackson.databind.JsonDeserializer<T>
JsonDeserializer
implementations that deserialize
objects.JsonObjectSerializer
Constructor and Description |
---|
JsonObjectDeserializer() |
Modifier and Type | Method and Description |
---|---|
T |
deserialize(com.fasterxml.jackson.core.JsonParser jp,
com.fasterxml.jackson.databind.DeserializationContext ctxt) |
protected abstract T |
deserializeObject(com.fasterxml.jackson.core.JsonParser jsonParser,
com.fasterxml.jackson.databind.DeserializationContext context,
com.fasterxml.jackson.core.ObjectCodec codec,
com.fasterxml.jackson.databind.JsonNode tree)
Deserialize JSON content into the value type this serializer handles.
|
protected com.fasterxml.jackson.databind.JsonNode |
getRequiredNode(com.fasterxml.jackson.databind.JsonNode tree,
String fieldName)
Helper method to return a
JsonNode from the tree. |
protected <D> D |
nullSafeValue(com.fasterxml.jackson.databind.JsonNode jsonNode,
Class<D> type)
Helper method to extract a value from the given
jsonNode or return
null when the node itself is null . |
deserialize, deserializeWithType, deserializeWithType, findBackReference, getDelegatee, getEmptyAccessPattern, getEmptyValue, getEmptyValue, getKnownPropertyNames, getNullAccessPattern, getNullValue, getNullValue, getObjectIdReader, handledType, isCachable, logicalType, replaceDelegatee, supportsUpdate, unwrappingDeserializer
public final T deserialize(com.fasterxml.jackson.core.JsonParser jp, com.fasterxml.jackson.databind.DeserializationContext ctxt) throws IOException
deserialize
in class com.fasterxml.jackson.databind.JsonDeserializer<T>
IOException
protected abstract T deserializeObject(com.fasterxml.jackson.core.JsonParser jsonParser, com.fasterxml.jackson.databind.DeserializationContext context, com.fasterxml.jackson.core.ObjectCodec codec, com.fasterxml.jackson.databind.JsonNode tree) throws IOException
jsonParser
- the source parser used for reading JSON contentcontext
- context that can be used to access information about this
deserialization activitycodec
- the ObjectCodec
associated with the parsertree
- deserialized JSON content as tree expressed using set of
TreeNode
instancesIOException
- on errordeserialize(JsonParser, DeserializationContext)
protected final <D> D nullSafeValue(com.fasterxml.jackson.databind.JsonNode jsonNode, Class<D> type)
jsonNode
or return
null
when the node itself is null
.D
- the data type requestedjsonNode
- the source node (may be null
)type
- the data type. May be String
, Boolean
, Long
,
Integer
, Short
, Double
, Float
, BigDecimal
or BigInteger
.null
protected final com.fasterxml.jackson.databind.JsonNode getRequiredNode(com.fasterxml.jackson.databind.JsonNode tree, String fieldName)
JsonNode
from the tree.tree
- the source treefieldName
- the field name to extractJsonNode