spring-projects / spring-projects/spring-framework
Introduce `getRequiredHeader()` in `MessageHeaders`
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in: messaging
status: waiting-for-triage
- Dominant language
- Java
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Description
Currently, when use message.getHeaders.get(), since it returns an nullable object, explicit null check in user end is always required.
however, sometimes, when the header is sure to be there, it would be good to provide the getRequiredHeader.
@rstoyanchev @artembilan
Contributor guide
First steps
- Read the whole issue, then the project's contributing guide.
- Comment on the issue to say you are picking it up — it saves two people doing the same work.
- Fork the repository and make your change on a branch.
- Open a pull request that references the issue number.
Research direction
Locate the MessageHeaders class and inspect the existing get() accessor and nearby API conventions first. Determine how a required-header accessor should differ from the nullable lookup, then verify that the new method is exposed consistently and its behavior matches the stated use case.
Written by the indexing model from the issue text.
Assessment
- Tech stack
- java
- Domain
- api
- Issue type
- Feature
- Difficulty
- 2/5
- Estimated time
- 1-3 hours
- Activity status
- Quiet
- Clarity
- Mostly clear
- Newbie friendliness
- 68/100