Benoit Tellier created PROTOCOLS-120:
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Summary: Modularize IMAP propotocol
Key: PROTOCOLS-120
URL: https://issues.apache.org/jira/browse/PROTOCOLS-120
Project: James Protocols
Issue Type: Improvement
Components: imap
Reporter: Benoit Tellier
Assignee: Eric Charles
# Context
IMAP components relies on chaining. When we handle an item, be it in encoder,
decoders or protocols, we have a chain of handlers (manually formed), and each
handler see if it can handle the item, until one handler processes it.
This approach have several caveats:
- Chaining is done with an intermediate abstract class (verbose)
- It is hard to add an element in the chain
- Which is not easily customisable
- This approach furthermore defeats injection frameworks.
# Proposition
Use a registery instead.
Each handler indicates which class it handles.
>From the registry we can select directly the handler we want.
# Consequence
Handler no longer need to be chained together.
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