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Improve documentation of supported JSON mapping libraries 

Closes gh-14703
This commit is contained in:
Andy Wilkinson 2018-10-09 14:04:48 +01:00
parent f2446f78df
commit 73122fa8f3
1 changed files with 48 additions and 9 deletions
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41
spring-boot-project/spring-boot-docs/src/main/asciidoc/spring-boot-features.adoc
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@ -1875,6 +1875,45 @@ However, properties can be added to the `Environment` by using the relaxed rules
[[boot-features-json]]
== JSON
Spring Boot provides integration with three JSON mapping libraries:
- Gson
- Jackson
- JSON-B
Jackson is the preferred and default library.
[[boot-features-json-jackson]]
=== Jackson
Auto-configuration for Jackson is provided and Jackson is part of
`spring-boot-starer-json`. When Jackson is on the classpath an `ObjectMapper`
bean is automatically configured. Several configuration properties are provided for
<<howto.adoc#howto-customize-the-jackson-objectmapper,customizing the configuration of the
`ObjectMapper`>>.
[[boot-features-json-gson]]
=== Gson
Auto-configuration for Gson is provided. When Gson is on the classpath a `Gson` bean is
automatically configured. Several `+spring.gson.*+` configuration properties are
provided for customizing the configuration. To take more control, one or more
`GsonBuilderCustomizer` beans can be used.
[[boot-features-json-json-b]]
=== JSON-B
Auto-configuration for JSON-B is provided. When the JSON-B API and an implementation are
on the classpath a `Jsonb` bean will be automatically configured. The preferred JSON-B
implementation is Apache Johnzon for which dependency management is provided.
[[boot-features-developing-web-applications]]
== Developing Web Applications
Spring Boot is well suited for web application development. You can create a
@ -6392,7 +6431,7 @@ NOTE: While Spring's test framework caches application contexts between tests an
a context for tests sharing the same configuration, the use of `@MockBean` or `@SpyBean`
influences the cache key, which will most likely increase the number of contexts.
TIP: If you are using `@SpyBean` to spy on a bean with `@Cacheable` methods that refer
PTIP: If you are using `@SpyBean` to spy on a bean with `@Cacheable` methods that refer
to parameters by name, your application must be compiled with `-parameters`. This
ensures that the parameter names are available to the caching infrastructure once the
bean has been spied upon.