JSON:API Add Delete & Add To Many Relationship operations

• #115 Add Delete & Add To Many Relationship operations

JsonApi4j - api4.pro website improvements, bugfixes & log messages optimisations

• api4.pro website improvements (#40 , #46 )
• MultipleResources processor should return mutated JSON:API doc instead of composing a new one before finishing the processing (#111 )
• add missing logs, decrease INFO log level for some messages (#112 )

Autoconfiguration/bootstrap fixes of JsonApi4j for Spring Boot/Quarkus apps

• There was a bug for Spring Boot module - app was failing if plugin dependency was missing instead of disabling the plugin (expected behavior)
• OAS Plugin enable check was referring one from AC Plugin properties

Various JsonApi4j fixes and improvements

Added:

• Servlet Sample app that is using the same shared domain and test suite
• Don't register Operations if it wasn't implemented while using Operation aggregating interfaces e.g. ResourceOperations. That removes the requirement of having @OasOperationIfo annotation to include the operation into the resulting OAS spec
• Print JsonApi4j state at startup e.g. info about Plugins, Resources & Relationships, Operations
• Various documentation enhancements, new theme, updated & new README.md files
• Fixed Accept header verification logic that didn't support comma separated values

JSON:API Compound Docs plugin: Cache support

• Compound Document resolver is now natively supports HTTP Cache (Cache-Control directives) for even faster latency
• Minor fixes/improvements for how the framework handles Create/Update/Delete operations

Add support for a 'limit-offset' pagination strategy

• support for a 'limit-offset' pagination strategy
• documentation updates
• various bugfixes:
  • make Quarkus Sample app properly consume 'jsonapi4j-all-plugins' dependency
  • fix OAS generation factoring recent changes in JSON:API models (docs / links)

JSON:API Compound Docs plugin

• JSON:API Compound Docs plugin (https://jsonapi.org/format/#document-compound-documents)
• JSON:API Specification compliance:
  • Added support for ext/profile (request level) (https://jsonapi.org/format/#extensions and https://jsonapi.org/format/#profiles)
  • Added support for 'lid' (https://jsonapi.org/format/#document-resource-identifier-objects)
  • Added support for 'jsonapi' object (https://jsonapi.org/format/#document-jsonapi-object)
  • Added 'limit/offset' support (request level) (https://jsonapi.org/format/#query-parameters-families)
  • Make LinksObject follow JSON:API requirements (https://jsonapi.org/format/#document-links)

Enabled/disabled flag for JsonApi4j plugins & bugfixes

• Plugin 'enabled/disabled' state was introduced for all plugins for easier control of the execution logic
• Some config-related fixes for Servlet App (the way the framework loads and deserializes configs)
• pom.xml cleanup and optimization across all modules
• Minor code refactoring

JSON:API Sparse Fieldsets - more customizations and bugfixes

• Added 'jsonapi4j.sf.requestedFieldsDontExistMode' property that controls how to behave if all requested fields don't exist
• Fixed a bug when requested nested field path

JSON:API Sparse Fieldsets

• Support for JSON:API Sparse Fieldsets (https://jsonapi.org/format/#fetching-sparse-fieldsets) feature is added as a pluggable JsonApi4j Plugin.
• Refer README.md and official documentation for more details