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Jackson Release 2.5

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cowtowncoder edited this page Dec 10, 2014 · 42 revisions

Version 2.5.0 is in development as of October 2014. It is a "minor" release following 2.4, meaning that it adds new functionality but be backwards compatible with earlier 2.x releases.

Patches

None yet.

Changes: compatibility

None yet

Changes, core

Core Annotations

  • #47: Add @JsonCreator.mode property to explicitly choose between delegating- and property-based creators
  • #48: Allow @JsonView for (method) parameters too (not used by Jackson itself, but requested by frameworks)
  • Added @JsonInclude.content to allow specifying inclusion criteria for java.util.Map entries separate from inclusion of Map values

Core Streaming

  • #148: BytesToNameCanonicalizer can mishandle leading null byte(s).
  • #164: Add JsonGenerator.Feature.IGNORE_UNKNOWN (but support via individual data format modules)

Core Databind

  • #113: Problem deserializing polymorphic types with @JsonCreator
  • #421: @JsonCreator not used in case of multiple creators with parameter names
  • #521: Keep bundle annotations, prevent problems with recursive
  • #527: Add support for @JsonInclude(contents=Include.NON_NULL) (and others) for Maps
  • #528: Add support for JsonType.As.EXISTING_PROPERTY
  • #539: Problem with post-procesing of "empty bean" serializer
  • #540: Support deserializing [] as null or empty collection when the java type is a not an object (aka "work around PHP issues")
  • #543: Problem resolving self-referential recursive types
  • #552: Improved handling for ISO-8601 (date) format
  • #560: @JsonCreator to deserialize BigInteger to Enum
  • #565: Add support for handling Map.Entry
  • #571: Add support in ObjectMapper for custom ObjectReader, ObjectWriter (sub-classes)
  • #607: Allow (re)config of JsonParser.Features via ObjectReader
  • #608: Allow (re)config of JsonGenerator.Features via ObjectWriter
  • #622: Support for non-scalar ObjectId Reference deserialization (like JSOG)
  • #631: Update current value of JsonParser, JsonGenerator from standard serializers, deserializers
  • #638: Add annotation-based method(s) for injecting properties during serialization (using @JsonAppend, VirtualBeanPropertyWriter)

Changes, Data Formats

CSV

  • #50: Support JsonGenerator.Feature.IGNORE_KNOWN for CSV, to ignoring extra columns
  • #53: Add a way to specify "null value" (String) for CsvGenerator to use when writing nulls (part of CsvSchema; method withNullValue())
  • #57: Support simple array values

YAML

  • #22: Add support for disabling use of YAML native Type Ids
  • #23: Add support for disabling use of YAML native Object Ids
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