CalvinKirs opened a new pull request, #50031:
URL: https://github.com/apache/doris/pull/50031

   ## Background
   Previously, all storage-related property conversions were handled in a 
single class: PropertyConvert. This class included logic for multiple 
components such as:
   
   - BE storage configuration
   
   - Frontend (FE) object storage
   
   - HDFS(FE) configuration
   
   Over time, this approach introduced several problems:
   
   Tight Coupling: Different storage types (e.g., S3, OSS, COS, HDFS) were 
processed in a mixed manner.
   
   Inconsistent Behavior: The same storage type behaved differently across 
components. For instance:
   
   Some services accepted https:// style URIs.
   
   Others only accepted s3:// style URIs.
   
   High Maintenance Cost: Adding or updating logic for a single storage type 
risked breaking unrelated paths.
   
   Low Extensibility: Introducing new storage types or protocols required 
invasive changes to centralized logic.
   
   ## Changed
   This PR refactors the property conversion logic with the following goals:
   
   ### Separation of Responsibility:
   
   Each storage type (e.g., S3, COS, HDFS) now manages its own property parsing 
and conversion.
   
   No cross-dependency between different storage implementations.
   
   ### Unified Interface for Upper Layers:
   
   A single unified interface is exposed to business logic (e.g., generating 
properties for BE).
   
   Upper layers no longer care about the specific storage type or URI scheme.
   
   ### Consistent Behavior Across Components:
   
   Each storage implementation defines its own rules.
   
   Eliminates inconsistencies like accepting different URI styles in different 
parts of the system.
   
   ### Future-Friendly Design:
   
   Lays the groundwork for plugin-based SPI support.
   
   ### What problem does this PR solve?
   
   Issue Number: close #xxx
   
   Related PR: #xxx
   
   Problem Summary:
   
   ### Release note
   
   None
   
   ### Check List (For Author)
   
   - Test <!-- At least one of them must be included. -->
       - [ ] Regression test
       - [ ] Unit Test
       - [ ] Manual test (add detailed scripts or steps below)
       - [ ] No need to test or manual test. Explain why:
           - [ ] This is a refactor/code format and no logic has been changed.
           - [ ] Previous test can cover this change.
           - [ ] No code files have been changed.
           - [ ] Other reason <!-- Add your reason?  -->
   
   - Behavior changed:
       - [ ] No.
       - [ ] Yes. <!-- Explain the behavior change -->
   
   - Does this need documentation?
       - [ ] No.
       - [ ] Yes. <!-- Add document PR link here. eg: 
https://github.com/apache/doris-website/pull/1214 -->
   
   ### Check List (For Reviewer who merge this PR)
   
   - [ ] Confirm the release note
   - [ ] Confirm test cases
   - [ ] Confirm document
   - [ ] Add branch pick label <!-- Add branch pick label that this PR should 
merge into -->
   
   


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