Development: Improve XML parsing

[krusche]

Checklist

General

• I tested all changes and their related features with all corresponding user types on a test server.
• Language: I followed the guidelines for inclusive, diversity-sensitive, and appreciative language.
• I chose a title conforming to the naming conventions for pull requests.

Server

• Important: I implemented the changes with a very good performance and prevented too many (unnecessary) database calls.
• I strictly followed the server coding and design guidelines.
• I added multiple integration tests (Spring) related to the features (with a high test coverage).
• I added pre-authorization annotations according to the guidelines and checked the course groups for all new REST Calls (security).
• I documented the Java code using JavaDoc style.

Changes affecting Programming Exercises

• High priority: I tested all changes and their related features with all corresponding user types on a test server configured with the integrated lifecycle setup (LocalVC and LocalCI).
• I tested all changes and their related features with all corresponding user types on a test server configured with Gitlab and Jenkins.

Motivation and Context

The processing of result artifacts (test results, sca reports) currently uses some custom XML parsing logic. This can get quite complex and error-prone. It also makes it hard to add new supported formats or to adjust to external changes.

Description

This PR removes the custom parsing logic and instead uses the Jackson object mapper with records.

Steps for Testing

Participate in a Programming exercise as a student. Make sure that test results and SCA feedback are visible and correct.

Exam Mode Testing

same for exam exercises

Testserver States

Note

These badges show the state of the test servers.
Green = Currently available, Red = Currently locked

Review Progress

Performance Review

• I (as a reviewer) confirm that the server changes (in particular related to database calls) are implemented with a very good performance

Code Review

• Code Review 1
• Code Review 2

Manual Tests

• Test 1
• Test 2

Exam Mode Test

• Test 1
• Test 2

Test Coverage

unchanged

[laadvo]

Tested on ts2, test result and SCA when participating in a programming exercise work as expected.

[marlon-luca-bu]

Tested on TS2 and works as expected 👍

[Jan-Thurner]

Tested the exam mode on TS1. Works as expected.

[pzdr7]

Tested again on TS1 with a programming exercise with SCA ✅