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Michael Joseph Jackson (August 29, 1958 – June 25, 2009) was an American singer, songwriter, dancer, and philanthropist. Dubbed the "King of Pop", he is regarded as one of the most significant cultural figures of the 20th century. Over a four-decade career, his contributions to music, dance, and fashion, along with his publicized personal ...
Jakson Group is a leading energy and sustainable solutions company in India, founded in 1947. It offers products and services for distributed energy, solar modules, biofuels, and green projects.
The short film for Michael Jackson's "Smooth Criminal" was the centerpiece of the feature film Moonwalker, and featured the debut of Michael's iconic "anti-g...
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- Jackson Project Home @github
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This is the home page of the Jackson Project.
•Dec 17, 2023: contributing/Jackson Coding Style Guide
•Nov 15, 2023: Jackson 2.16(.0) (latest stable) released
•April 23, 2023: Jackson 2.15 released
•Nov 5, 2022: Jackson 2.14 released
•Nov 2, 2022: AdaLogics Security Audit for Jackson released -- see Document/Reports
•Sep 30, 2021: Jackson 2.13 released
Jackson has been known as "the Java JSON library" or "the best JSON parser for Java". Or simply as "JSON for Java".
More than that, Jackson is a suite of data-processing tools for Java (and the JVM platform), including the flagship streaming JSON parser / generator library, matching data-binding library (POJOs to and from JSON) and additional data format modules to process data encoded in Avro, BSON, CBOR, CSV, Smile, (Java) Properties, Protobuf, TOML, XML or YAML; and even the large set of data format modules to support data types of widely used data types such as Guava, Joda, PCollections and many, many more (see below).
While the actual core components live under their own projects -- including the three core packages (streaming, databind, annotations); data format libraries; data type libraries; JAX-RS provider; and a miscellaneous set of other extension modules -- this project act as the central hub for linking all the pieces together.
A good companion to this README is the Jackson Project FAQ.
Jackson suite has two major versions: 1.x is deprecated and no versions are released; 2.x is the actively developed version. These two major versions use different Java packages and Maven artifact ids, so they are not mutually compatible, but can peacefully co-exist: a project can depend on both Jackson 1.x and 2.x, without conflicts. This is by design and was chosen as the strategy to allow smoother migration from 1.x to 2.x.
The latest stable versions from these branches are:
•2.16.1, released on 24-Dec-2023
•2.15.3 is the latest patch from previous stable branch
•1.9.13, released 14-Jul-2013
Recommended way to use Jackson is through Maven repositories; releases are made to Central Maven Repository (CMR). Individual projects' wiki pages sometimes also contain direct download links, pointing to CMR.
Core modules
Core modules are the foundation on which extensions (modules) build upon. There are 3 such modules currently (as of Jackson 2.x): •Streaming (docs) ("jackson-core") defines low-level streaming API, and includes JSON-specific implementations •Annotations (docs) ("jackson-annotations") contains standard Jackson annotations •Databind (docs) ("jackson-databind") implements data-binding (and object serialization) support on streaming package; it depends both on streaming and annotations packages
Third-party datatype modules
These extensions are plug-in Jackson Modules (registered with ObjectMapper.registerModule()), and add support for datatypes of various commonly used Java libraries, by adding serializers and deserializers so that Jackson databind package (ObjectMapper / ObjectReader / ObjectWriter) can read and write these types. Datatype modules directly maintained by Jackson team are under the following Github repositories: •Standard Collections datatype modules: •jackson-datatype-eclipse-collections: support for Eclipse Collections (NEW in Jackson 2.10!) •jackson-datatype-guava: support for many of Guava datatypes •jackson-datatype-hppc: support for High-Performance Primitive Containers containers •jackson-datatype-pcollections: support for PCollections datatypes (since Jackson 2.7) •Hibernate: support for Hibernate features (lazy-loading, proxies) •Java 8 Modules: support or JDK 8 features and datatypes through 3 separate modules •jackson-module-parameter-names: Module that adds support for using a new JDK8 feature, ability to access names of constructor and method parameters, to allow omitting @JsonProperty. •jackson-datatype-jsr310: support for "Java 8 Dates" (ones added in JDK 8) •Also, for pre-Java8 users can use one of alternate pre-Java8 backports: •joschi/jackson-datatype-threetenbp •lldata/jackson-datatype-threetenbp •jackson-datatype-jdk8: support for JDK 8 data types other than date/time types, including Optional •Joda datatypes: •jackson-datatype-joda: support for types of Joda-Time date/time library datatypes •jackson-datatype-joda-money: support types of Joda-Money datatypes (Money, CurrencyUnit) •JSON-P ("json processing"): two datatype modules for "old" (javax.json) and "new" (jakarta.json): •jackson-datatype-jakarta-jsonp: support for "new" JSON-P types in jakarta.json (added in Jackson 2.12.2) •jackson-datatype-jsr353: support for "old" JSON-P types in javax.json •jackson-datatype-json-org: support for org.json library types like JSONObject, JSONArray In addition, we are aware of additional modules that are not directly maintained by core Jackson team: •jackson-datatype-bolts support for reading/writing types defined by Yandex Bolts collection types (Functional Programming inspired immutable collections) •jackson-datatype-commons-lang3 for types of Apache Commons Lang v3 •jackson-datatype-money for "Java Money", see javax.money •vavr-jackson for VAVR support (Feature-rich & self-contained functional programming in Java™ 8 and above) •jackson-datatype-json-lib for supporting types defined by "net.sf.json" library (aka "json-lib") •jackson-datatype-jts (JTS Geometry) for GeoJSON support •jackson-lombok for better support of Lombok classes •jackson-datatype-mongo for MongoDB types •NOTE: there are a few alternatives to handling MongoDB datatypes •jackson-module-objectify for datatypes of Objectify •jackson-datatype-protobuf for handling datatypes defined by the standard Java protobuf library, developed by HubSpot •NOTE! This is different from jackson-dataformat-protobuf which adds support for encoding/decoding protobuf content but which does NOT depend on standard Java protobuf library •TinyTypes includes Jackson module (group id com.github.caligin.tinytypes, artifact tinytypes-jackson) •jackson-datatype-vertx for reading/writing Vert.x org.vertx.java.core.json.JsonObject objects (repackaged org.json node types)
Providers for JAX-RS
Jackson JAX-RS Providers has handlers to add dataformat support for JAX-RS implementations (like Jersey, RESTeasy, CXF). Providers implement MessageBodyReader and MessageBodyWriter. Supported formats currently include JSON, Smile, XML, YAML and CBOR.
If you would like to help with Jackson project, please check out Contributing.
You may also want to check out:
Community support
Jackson components are supported by the Jackson community through mailing lists, Gitter forum, Github issues. See Contributing for full details.
Enterprise support
In addition to free (for all) community support, enterprise support—starting with version 2.10—is available as part of the Tidelift Subscription for (most) Jackson components. The maintainers of Jackson and thousands of other packages are working with Tidelift to deliver commercial support and maintenance for the open source dependencies you use to build your applications. Save time, reduce risk, and improve code health, while paying the maintainers of the exact dependencies you use. Learn more.
Reporting security vulnerabilities
The recommended mechanism for reporting possible security vulnerabilities follows so-called "Coordinated Disclosure Plan" (see definition of DCP for general idea). The first step is to file a Tidelift security contact: Tidelift will route all reports via their system to maintainers of relevant package(s), and start the process that will evaluate concern and issue possible fixes, send update notices and so on. Note that you do not need to be a Tidelift subscriber to file a security contact. Alternatively you may also report possible vulnerabilities to info at fasterxml dot com mailing address. Note that filing an issue to go with report is fine, but if you do that please DO NOT include details of security problem in the issue but only in email contact. This is important to give us time to provide a patch, if necessary, for the problem.
Web sites
•jackson-docs is our Github Jackson documentation hub •Wiki of this repo contains: •Jackson Releases •FAQ •Blogs •CowTalk (deprecated) -- Blog with lots of Jackson-specific content. Not updated since 2013. •Cowtowncoder@medium -- More recent blogging about Jackson
Tutorials
For first-time users there are many good Jackson usage tutorials, including general usage / JSON tutorials: •Baeldung Jackson JSON Tutorial •Javarevisited Jackson JSON Tutorial •Jenkov.com Jackson Tutorial •JournalDev Jackson Tutorial •LogicBig.com Jackson Tutorial •StudyTrails Jackson Introduction and more specific tutorials: •Java67 Javakcson CSV Tutorial (CSV)
Reports
Following reports have been published about Jackson components •AdaLogics Jackson Security Audit (2022) (jackson-core, jackson-databind)
The Official YouTube Channel of The King of Pop - Michael Jackson. For more info, visit www.michaeljackson.com
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Official 4K Video for “Beat It" by Michael JacksonListen to Michael Jackson: https://MichaelJackson.lnk.to/_listenYDSubscribe to the official Michael Jackson...
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For six weeks in a row in 1983, Michael Jackson was #1 on ‘s top album and singles charts, making him the first artist in music history to reach the peak of the four pop and R&B charts simultaneously.
