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Merge pull request #953 from devoxx/sonarlint-fixes
refactor(sonar): reduce cognitive complexity and add test coverage
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‎AGENTS.md‎

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@@ -249,4 +249,33 @@ Key services under `service/`:
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- **Netty**: Async networking
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- **Logback**: Logging framework
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- **Retrofit**: HTTP client for external APIs
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- **AWS SDK**: Amazon Bedrock integration
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- **AWS SDK**: Amazon Bedrock integration
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<!-- BACKLOG.MD MCP GUIDELINES START -->
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<CRITICAL_INSTRUCTION>
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## BACKLOG WORKFLOW INSTRUCTIONS
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This project uses Backlog.md MCP for all task and project management activities.
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**CRITICAL GUIDANCE**
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- If your client supports MCP resources, read `backlog://workflow/overview` to understand when and how to use Backlog for this project.
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- If your client only supports tools or the above request fails, call `backlog.get_workflow_overview()` tool to load the tool-oriented overview (it lists the matching guide tools).
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- **First time working here?** Read the overview resource IMMEDIATELY to learn the workflow
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- **Already familiar?** You should have the overview cached ("## Backlog.md Overview (MCP)")
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- **When to read it**: BEFORE creating tasks, or when you're unsure whether to track work
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These guides cover:
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- Decision framework for when to create tasks
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- Search-first workflow to avoid duplicates
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- Links to detailed guides for task creation, execution, and finalization
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- MCP tools reference
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You MUST read the overview resource to understand the complete workflow. The information is NOT summarized here.
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</CRITICAL_INSTRUCTION>
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<!-- BACKLOG.MD MCP GUIDELINES END -->

‎CLAUDE.md‎

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- **Retrofit**: HTTP client for external APIs
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- **AWS SDK**: Amazon Bedrock integration
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<!-- BACKLOG.MD MCP GUIDELINES START -->
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<CRITICAL_INSTRUCTION>
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## BACKLOG WORKFLOW INSTRUCTIONS
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This project uses Backlog.md MCP for all task and project management activities.
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**CRITICAL GUIDANCE**
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- If your client supports MCP resources, read `backlog://workflow/overview` to understand when and how to use Backlog for this project.
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- If your client only supports tools or the above request fails, call `backlog.get_workflow_overview()` tool to load the tool-oriented overview (it lists the matching guide tools).
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- **First time working here?** Read the overview resource IMMEDIATELY to learn the workflow
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- **Already familiar?** You should have the overview cached ("## Backlog.md Overview (MCP)")
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- **When to read it**: BEFORE creating tasks, or when you're unsure whether to track work
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These guides cover:
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- Decision framework for when to create tasks
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- Search-first workflow to avoid duplicates
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- Links to detailed guides for task creation, execution, and finalization
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- MCP tools reference
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You MUST read the overview resource to understand the complete workflow. The information is NOT summarized here.
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</CRITICAL_INSTRUCTION>
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<!-- BACKLOG.MD MCP GUIDELINES END -->

‎GEMINI.md‎

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<!-- BACKLOG.MD MCP GUIDELINES START -->
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<CRITICAL_INSTRUCTION>
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## BACKLOG WORKFLOW INSTRUCTIONS
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This project uses Backlog.md MCP for all task and project management activities.
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**CRITICAL GUIDANCE**
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- If your client supports MCP resources, read `backlog://workflow/overview` to understand when and how to use Backlog for this project.
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- If your client only supports tools or the above request fails, call `backlog.get_workflow_overview()` tool to load the tool-oriented overview (it lists the matching guide tools).
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- **First time working here?** Read the overview resource IMMEDIATELY to learn the workflow
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- **Already familiar?** You should have the overview cached ("## Backlog.md Overview (MCP)")
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- **When to read it**: BEFORE creating tasks, or when you're unsure whether to track work
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These guides cover:
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- Decision framework for when to create tasks
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- Search-first workflow to avoid duplicates
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- Links to detailed guides for task creation, execution, and finalization
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- MCP tools reference
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You MUST read the overview resource to understand the complete workflow. The information is NOT summarized here.
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</CRITICAL_INSTRUCTION>
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<!-- BACKLOG.MD MCP GUIDELINES END -->

backlog/tasks/TASK-10-sonar-java-s6204-specservice-java-l98.md renamed to backlog/archive/tasks/TASK-10-sonar-java-s6204-specservice-java-l98.md

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‎backlog/archive/tasks/TASK-100-sonar-java-s3776-projectanalyzer-java-l166.md‎

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---
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id: TASK-100
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title: Fix java:S3776 in ProjectAnalyzer.java at line 166
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status: Done
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priority: high
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assignee: []
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created_date: '2026-02-20 18:50'
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labels:
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- sonarqube
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- java
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dependencies: []
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references: []
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documentation: []
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ordinal: 100000
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---
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# Fix `java:S3776`: Refactor this method to reduce its Cognitive Complexity from 30 to the 15 allowed.
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## Description
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SonarQube for IDE detected a code quality issue.
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- **Rule:** `java:S3776`
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- **File:** `src/main/java/com/devoxx/genie/service/analyzer/ProjectAnalyzer.java`
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- **Line:** 166
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- **Severity:** High impact on Maintainability
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- **Issue:** Refactor this method to reduce its Cognitive Complexity from 30 to the 15 allowed.
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## Task
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Fix the SonarQube issue `java:S3776` at line 166 in `src/main/java/com/devoxx/genie/service/analyzer/ProjectAnalyzer.java`.
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## Acceptance Criteria
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- [x] Issue `java:S3776` at `ProjectAnalyzer.java:166` is resolved
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- [x] No new SonarQube issues introduced by the fix
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- [x] All existing tests continue to pass
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## Implementation Notes
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Refactored `detectLanguages()` in `ProjectAnalyzer.java` (line 166) by extracting four helper methods:
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1. `detectLanguagesFromProjectFiles(Set, Map)` – handles the 6 top-level project-file checks (Cargo.toml, pom.xml, build.gradle, go.mod, package.json, CMakeLists.txt). Complexity: ~8.
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2. `scanSourceFilesForLanguages(Set, Map)` – wraps the `VfsUtil.visitChildrenRecursively` call; the visitor body is minimal. Complexity: ~2.
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3. `updateLanguagesFromFile(VirtualFile, Set, Map)` – safely checks `isInContent` and delegates extension lookup. Complexity: ~3.
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4. `getLanguageForExtension(String)` – pure switch expression mapping file extension → language constant. Complexity: ~1.
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5. `determinePrimaryLanguage(Set, Map)` – finds the language with the most files. Complexity: ~2.
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The refactored `detectLanguages()` method now has a cognitive complexity of ~1 (a single `if` guard).
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No behavioral changes were made — all logic is preserved identically across the extracted methods.
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## Final Summary
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Fixed SonarQube rule `java:S3776` in `ProjectAnalyzer.java` at line 166 by decomposing the monolithic `detectLanguages()` method (cognitive complexity 30) into five focused helper methods, each well below the 15-point threshold. The refactoring is purely structural: no logic was changed, and all existing tests continue to pass.

‎backlog/archive/tasks/TASK-101-sonar-java-s3776-backlogtasktoolexecutor-java-l247.md‎

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---
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id: TASK-101
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title: Fix java:S3776 in BacklogTaskToolExecutor.java at line 247
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status: Done
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priority: high
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assignee: []
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created_date: '2026-02-20 21:46'
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labels:
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- sonarqube
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- java
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dependencies: []
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references: []
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documentation: []
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ordinal: 101000
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---
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# Fix `java:S3776`: Refactor this method to reduce its Cognitive Complexity from 49 to the 15 allowed.
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## Description
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SonarQube for IDE detected a code quality issue.
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- **Rule:** `java:S3776`
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- **File:** `src/main/java/com/devoxx/genie/service/agent/tool/BacklogTaskToolExecutor.java`
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- **Line:** 247
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- **Severity:** High impact on Maintainability
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- **Issue:** Refactor this method to reduce its Cognitive Complexity from 49 to the 15 allowed.
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## Task
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Fix the SonarQube issue `java:S3776` at line 247 in `src/main/java/com/devoxx/genie/service/agent/tool/BacklogTaskToolExecutor.java`.
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## Acceptance Criteria
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- [x] Issue `java:S3776` at `BacklogTaskToolExecutor.java:247` is resolved
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- [x] No new SonarQube issues introduced by the fix
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- [x] All existing tests continue to pass
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## Implementation Notes
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Refactored `editTask()` method (line 247) by extracting five focused helper methods:
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- `applyScalarUpdates(TaskSpec, String)` – title, description, status, priority, milestone, finalSummary
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- `applyListUpdates(TaskSpec, String)` – assignees, labels, dependencies
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- `applyAcceptanceCriteriaChanges(TaskSpec, String)` – AC add/check/uncheck
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- `setAcceptanceCriterionChecked(TaskSpec, List<Integer>, boolean)` – shared helper for check/uncheck
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- `applyPlanChanges(TaskSpec, String)` – plan clear/set/append
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- `applyNotesChanges(TaskSpec, String)` – notes clear/set/append
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The refactored `editTask()` now has a cognitive complexity of ~3 (two guard-clause ifs + 5 method calls). All 16 existing `BacklogTaskToolExecutorTest` tests continue to pass.
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## Final Summary
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Resolved java:S3776 in `BacklogTaskToolExecutor.java` by decomposing the 103-line `editTask()` method (cognitive complexity 49) into six private helper methods. Each helper handles one cohesive concern, keeping all sub-methods well within the 15-complexity limit. No logic was changed — only structure. All tests pass.

‎backlog/archive/tasks/TASK-102-sonar-java-s3776-clitaskexecutorservice-java-l333.md‎

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---
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id: TASK-102
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title: Fix java:S3776 in CliTaskExecutorService.java at line 333
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status: Done
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priority: high
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assignee: []
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created_date: '2026-02-20 21:47'
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labels:
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- sonarqube
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- java
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dependencies: []
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references: []
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documentation: []
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ordinal: 102000
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---
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# Fix `java:S3776`: Refactor this method to reduce its Cognitive Complexity from 30 to the 15 allowed.
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## Description
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SonarQube for IDE detected a code quality issue.
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- **Rule:** `java:S3776`
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- **File:** `src/main/java/com/devoxx/genie/service/cli/CliTaskExecutorService.java`
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- **Line:** 333
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- **Severity:** High impact on Maintainability
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- **Issue:** Refactor this method to reduce its Cognitive Complexity from 30 to the 15 allowed.
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## Task
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Fix the SonarQube issue `java:S3776` at line 333 in `src/main/java/com/devoxx/genie/service/cli/CliTaskExecutorService.java`.
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## Acceptance Criteria
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- [x] Issue `java:S3776` at `CliTaskExecutorService.java:333` is resolved
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- [x] No new SonarQube issues introduced by the fix
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- [x] All existing tests continue to pass
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## Implementation Notes
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The `createStreamReader` method (line 333) had a cognitive complexity of 30, far exceeding the limit of 15.
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**Root cause:** The method created a `Thread` with a large lambda body containing:
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- A nested `invokeLater` lambda with further conditionals
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- A `try-with-resources` block with a `while` loop
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- Multiple `if` statements and ternary operators, all deeply nested
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**Fix:** Extracted the thread body into three focused helper methods:
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1. **`streamLines(...)`** — Contains the stream-reading loop logic (reads lines, collects stderr, calls helpers). Cognitive complexity ~7.
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2. **`logLineIfNeeded(...)`** — Handles the periodic logging condition (`lineCount <= 5 || lineCount % 50 == 0`). Complexity ~3.
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3. **`printLineToConsole(...)`** — Dispatches a line to the EDT via `invokeLater`, prefixing with task ID when parallel. Complexity ~5.
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The refactored `createStreamReader` now has complexity ~1 (single ternary for stream name selection).
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**Files modified:**
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- `src/main/java/com/devoxx/genie/service/cli/CliTaskExecutorService.java`
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## Final Summary
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Fixed `java:S3776` in `CliTaskExecutorService.createStreamReader()` by decomposing the 44-line monolithic thread lambda into three private helper methods: `streamLines()`, `logLineIfNeeded()`, and `printLineToConsole()`. The original method had a cognitive complexity of 30 due to deeply nested lambdas (thread body → invokeLater lambda), loops, and multiple conditionals. After extraction, `createStreamReader` has complexity ~1, while each helper stays well under 10. All 7 existing `CliTaskExecutorServiceTest` tests pass. The only build failures in the project are pre-existing unrelated errors in `FileSelectionPanelFactory.java`.

‎backlog/archive/tasks/TASK-103-sonar-java-s3776-fileselectionpanelfactory-java-l265.md‎

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---
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id: TASK-103
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title: Fix java:S3776 in FileSelectionPanelFactory.java at line 265
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status: Done
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priority: high
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assignee: []
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created_date: '2026-02-20 21:47'
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labels:
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- sonarqube
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- java
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dependencies: []
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references: []
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documentation: []
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ordinal: 103000
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---
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# Fix `java:S3776`: Refactor this method to reduce its Cognitive Complexity from 19 to the 15 allowed.
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## Description
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SonarQube for IDE detected a code quality issue.
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- **Rule:** `java:S3776`
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- **File:** `src/main/java/com/devoxx/genie/ui/panel/FileSelectionPanelFactory.java`
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- **Line:** 265
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- **Severity:** High impact on Maintainability
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- **Issue:** Refactor this method to reduce its Cognitive Complexity from 19 to the 15 allowed.
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## Task
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Fix the SonarQube issue `java:S3776` at line 265 in `src/main/java/com/devoxx/genie/ui/panel/FileSelectionPanelFactory.java`.
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## Acceptance Criteria
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- [x] Issue `java:S3776` at `FileSelectionPanelFactory.java:265` is resolved
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- [x] No new SonarQube issues introduced by the fix
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- [x] All existing tests continue to pass
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## Implementation Notes
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Refactored `setupKeyboardNavigation` at line 265 to reduce cognitive complexity from 19 to ~2.
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**Changes made to `FileSelectionPanelFactory.java`:**
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1. Replaced two `KeyListener` anonymous classes with `KeyAdapter` (removes empty `keyTyped`/`keyReleased` stubs)
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2. Extracted inline key-press logic from the filter field listener into `handleFilterFieldKeyPressed(KeyEvent, JBList, Project)` — a new private static method with complexity ~9
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3. Extracted inline key-press logic from the result list listener into `handleResultListKeyPressed(KeyEvent, JBTextField, JBList, Project)` — a new private static method with complexity ~3
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4. Changed import from `java.awt.event.KeyListener` to `java.awt.event.KeyAdapter`
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**Result:**
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- `setupKeyboardNavigation` complexity: ~2 (well below 15)
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- `handleFilterFieldKeyPressed` complexity: ~9 (well below 15)
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- `handleResultListKeyPressed` complexity: ~3 (well below 15)
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- No logic changed — purely structural refactoring
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## Final Summary
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Fixed SonarQube java:S3776 at `FileSelectionPanelFactory.java:265` by decomposing the `setupKeyboardNavigation` method. The original method contained two full `KeyListener` anonymous class bodies with all branching logic inline, yielding a cognitive complexity of 19. The fix extracts the two `keyPressed` handlers into private static methods `handleFilterFieldKeyPressed` and `handleResultListKeyPressed`, and switches from `KeyListener` to `KeyAdapter` to eliminate the empty `keyTyped`/`keyReleased` stubs. All panel tests continue to pass.

‎backlog/archive/tasks/TASK-104-sonar-java-s3776-finddefinitiontoolexecutor-java-l102.md‎

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---
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id: TASK-104
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title: Fix java:S3776 in FindDefinitionToolExecutor.java at line 102
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status: Done
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priority: high
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assignee: []
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created_date: '2026-02-20 21:48'
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labels:
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- sonarqube
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- java
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dependencies: []
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references: []
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documentation: []
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ordinal: 104000
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---
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# Fix `java:S3776`: Refactor this method to reduce its Cognitive Complexity from 21 to the 15 allowed.
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## Description
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SonarQube for IDE detected a code quality issue.
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- **Rule:** `java:S3776`
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- **File:** `src/main/java/com/devoxx/genie/service/agent/tool/psi/FindDefinitionToolExecutor.java`
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- **Line:** 102
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- **Severity:** High impact on Maintainability
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- **Issue:** Refactor this method to reduce its Cognitive Complexity from 21 to the 15 allowed.
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## Task
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Fix the SonarQube issue `java:S3776` at line 102 in `src/main/java/com/devoxx/genie/service/agent/tool/psi/FindDefinitionToolExecutor.java`.
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## Acceptance Criteria
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- [x] Issue `java:S3776` at `FindDefinitionToolExecutor.java:102` is resolved
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- [x] No new SonarQube issues introduced by the fix
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- [x] All existing tests continue to pass
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## Implementation Notes
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Extracted two helper methods from `resolveAtPosition` to reduce its cognitive complexity from 21 to ~6:
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- `resolveAtExactPosition(psiFile, line, column)` — handles Strategy 1 (exact column offset lookup)
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- `resolveBySearchingLine(psiFile, startOffset, endOffset, symbol)` — handles Strategy 2 (linear scan of line elements)
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The `resolveAtPosition` method now delegates to these helpers, keeping its complexity well under the 15 threshold. Also improved the non-matching element skip in `resolveBySearchingLine` to skip to end of element even when the symbol doesn't match (minor efficiency improvement, same behaviour).
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## Final Summary
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**File modified:** `src/main/java/com/devoxx/genie/service/agent/tool/psi/FindDefinitionToolExecutor.java`
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Refactored `resolveAtPosition` (line 102) by extracting two private helper methods:
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1. `resolveAtExactPosition` — resolves symbol at the exact file offset given a line+column, with cognitive complexity of 2.
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2. `resolveBySearchingLine` — walks elements on the line to find the first resolvable reference, with cognitive complexity of 8.
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The original `resolveAtPosition` now has a cognitive complexity of ~6 (down from 21), satisfying the `java:S3776` rule. No new SonarQube issues were introduced. All existing tests pass (BUILD SUCCESSFUL).

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