Jackson

Recipes to perform Jackson migration tasks.

Categories

• Codehaus

Composite Recipes

Recipes that include further recipes, often including the individual recipes below.

• Add missing Jackson dataformat dependencies
• Jackson best practices
• Migrate classes from Jackson Codehaus (legacy) to Jackson FasterXML
• Migrate from Jackson Codehaus (legacy) to Jackson FasterXML
• Migrate relocated feature constants to DateTimeFeature and EnumFeature
• Migrates from Jackson 2.x to Jackson 3.x
• Modernize legacy jackson-core feature constants
• Remove dead throws declarations for unchecked Jackson exceptions
• Remove redundant Jackson 3 feature flag configurations
• Rename Jackson 2.x methods to 3.x equivalents
• Rename Jackson 2.x methods to 3.x equivalents for JsonGenerator
• Rename Jackson 2.x methods to 3.x equivalents for JsonNode
• Rename Jackson 2.x methods to 3.x equivalents for JsonParser
• Rename Jackson 2.x methods to 3.x equivalents for ObjectNode
• Replace deprecated PropertyNamingStrategy inner classes and constants
• Replace throw new IOException(..) inside Jackson serializer / deserializer overrides
• Update Jackson 2.x types to 3.x
• Update Jackson package names from 2.x to 3.x
• Upgrade Jackson 2.x dependencies to 3.x

Recipes

• Add @JsonCreator to non-public constructors
• Add comment to SimpleModule method calls on modules that no longer extend SimpleModule
• Find @JsonSetter(nulls = Nulls.AS_EMPTY) on empty collection fields
• Migrate JSONNode field iterator for Jackson 3
• Migrate ObjectMapper.readValue(URL, ...) to use openStream()
• Migrate deprecated @JsonSerialize(include = ...) to @JsonInclude
• Migrate factory setter calls to builder pattern
• Migrate mapper setter calls to builder pattern
• Remove redundant @JsonProperty argument
• Remove redundant Jackson 3 feature flag configurations
• Remove registrations of modules built-in to Jackson 3
• Replace IOException with JacksonException in catch clauses
• Replace ObjectMapper.copy() with rebuild().build()
• Replace disable(MapperFeature.AUTO_DETECT_*) with changeDefaultVisibility() for Jackson 3
• Replace null type in StdDeserializer constructor with actual type
• Replace removed JsonGenerator capability methods with StreamWriteCapability
• Simplify catch clauses for Jackson exceptions
• Update configuration of serialization inclusion in ObjectMapper for Jackson 3
• Update lombok.config for Jackson 3 compatibility
• Use DeserializationContext.readTreeAsValue() instead of ObjectCodec.treeToValue()
• Use JsonFactory.builder() over new JsonFactoryBuilder()
• Use format alignment ObjectMappers
• Use modern date/time serialization defaults