Dan Haywood created ISIS-1149:
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Summary: New ContentNegotiationService and ContentMappingService
SPIs for Restful Objects viewer
Key: ISIS-1149
URL: https://issues.apache.org/jira/browse/ISIS-1149
Project: Isis
Issue Type: New Feature
Components: Core
Affects Versions: core-1.8.0
Reporter: Dan Haywood
Assignee: Dan Haywood
Fix For: 1.9.0
The ContentNegotiationService SPI allows multiple implementations to be
installed, and each are checked in turn (chain of responsibility pattern). If
any can generate a representation of the result then this is used rather than
the default RepresentationService.
The framework provides one default implementation:
ContentNegotiationServiceXRoDomainType that handles
"application/...;profile=...;x-ro-domain-type=..." for either XML or JSON, and
for the main representations (object, property, collection, detail,
action-result)
As a further sub-SPI, the ContentMappingService is used by the afore-mentioned
ContentNegotiationServiceXRoDomainType to attempt to map the result domain
object to another object before rendering. Typically this is to map a domain
object to a corresponding DTO.
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