Introduce Resource Sharing Policy Management Component

[BimsaraBodaragama]

This PR adds a new component to manage resource-sharing policies between organizations in the WSO2 Identity Server. It enables defining, storing, and retrieving resource-sharing policies for users, applications, and identity providers.

Purpose

This feature addresses the need for a structured and scalable solution to manage resource-sharing policies across organizational hierarchies. It resolves the following issues:

• Introduce a Centralized Resource Sharing Policy Management Service #21815

Goals

• Provide a unified interface for managing resource-sharing policies.
• Enable consistent policy definitions across resource types.
• Support dynamic and hierarchical sharing options, such as sharing with all current and future organizations or selected organizational hierarchies.

Approach

• Created a new component for resource-sharing policy management.
• Developed a core service with DAO and utility classes for CRUD operations.
• Defined constants and enums for resource types and sharing policies.
• Implemented robust exception handling mechanisms.

Release note

Introduced a centralized resource-sharing policy management service to unify and streamline sharing policies across all resource types.

Documentation

N/A (Documentation updates will be tracked separately.)

Test environment

• JDK 11
• macOS 15.1.1 (24B91)
• H2 Database

---

Related Issue

Introduce a Centralized Resource Sharing Policy Management Service #21815

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 49.33%. Comparing base (8048fae) to head (36841d7).
Report is 59 commits behind head on main.

Additional details and impacted files

@@             Coverage Diff              @@
##               main     #416      +/-   ##
============================================
+ Coverage     47.14%   49.33%   +2.19%     
- Complexity     1074     1170      +96     
============================================
  Files           125      128       +3     
  Lines          7021     7270     +249     
  Branches        849      858       +9     
============================================
+ Hits           3310     3587     +277     
+ Misses         3403     3378      -25     
+ Partials        308      305       -3     

Flag	Coverage Δ
unit	35.59% <100.00%> (+4.55%)	⬆️

Flags with carried forward coverage won't be shown. Click here to find out more.

☔ View full report in Codecov by Sentry.
📢 Have feedback on the report? Share it here.

[jenkins-is-staging]

PR builder started
Link: https://github.com/wso2/product-is/actions/runs/12592660304

[jenkins-is-staging]

PR builder completed
Link: https://github.com/wso2/product-is/actions/runs/12592660304
Status: success

[jenkins-is-staging]

Approving the pull request based on the successful pr build https://github.com/wso2/product-is/actions/runs/12592660304