[CAMEL-16628] camel-core - SPI annotations for message headers

• Type: New Feature
• Status: Resolved
• Priority: Major
• Resolution: Fixed
• Fix Version/s: 3.16.0
• Component/s: build system, camel-core
• Estimated Complexity: Unknown
• Assignee: Nicolas Filotto
• Reporter: Claus Ibsen
• Created: 18/May/21 12:56
• Updated: 07/Apr/22 10:36
• Resolved: 14/Mar/22 13:38

Description

Like we have for endpoint options with @UriParam, we should have a new SPI annotation to markup headers that consumer/producers support.

This allows us to generate that information into the component json file for tooling support, and also to generate this in the website documentation.

Issue Links

• relates to: CAMEL-6543 provide a way to expose common header names, types and payload types for endpoints
• relates to: CAMEL-16627 camel-core - Add common header for source timestamp
• relates to: CAMEL-17792 Add documentation about the message headers
• relates to: CAMEL-17796 camel-core - SPI annotations for message headers to include in/out direction
• relates to: CAMEL-17923 Add the name of the constant to the header model
• relates to: CAMEL-17896 Extract the description of an header from the Javadoc by default
• relates to: CAMEL-17898 Allow to retrieve header definitions from super classes
• relates to: CAMEL-17918 Define the header name provider in case the headers class is an enum
• relates to: CAMEL-17924 Only expose public headers in the documentation
• links to: GitHub Pull Request #7190
• links to: GitHub Pull Request #7224
• links to: GitHub Pull Request #7247