openhab/openhab-addons
Nov 2024 – May 2026
3 Months active
Languages Used
JavaProperties
Technical Skills
API IntegrationAuthenticationDevice IntegrationFull Stack DevelopmentIoT IntegrationJava
Jan Gustafsson
PROFILE
Jan Gustafsson
Contributed to the openhab-addons repository by developing and stabilizing integrations for smart home devices, with a focus on backend Java development and API integration. Delivered an initial Electrolux appliance integration, establishing API communication, device discovery, and control handlers to expand device support. Enhanced the Verisure integration by improving authentication reliability, refining session management, and addressing token refresh and locale handling. Addressed critical bugs, including HTTP 400 errors from duplicate headers and NullPointerExceptions in climate device GUIs, using defensive programming and robust error handling. Demonstrated skills in Java, network programming, and debugging to improve reliability, maintainability, and user experience across integrations.
Overall Statistics
Feature vs Bugs
25%Features
Repository Contributions
4Total
Bugs
3
Commits
4
Features
1
Lines of code
3,688
Activity Months3
Your Network
119 peopleWork History
May 2026
1 Commits
May 1, 20262026-05 monthly summary for openhab-addons focusing on delivering robust climate device handling and reducing production risks within the Verisure integration. This month centered on stabilizing the climate device GUI workflow by addressing NullPointerException scenarios when the API returns a null GUI field. The fix improves reliability, user experience, and maintainability of the Verisure integration in openhab-addons.
1 Commits
May 1, 20262026-05 monthly summary for openhab-addons focusing on delivering robust climate device handling and reducing production risks within the Verisure integration. This month centered on stabilizing the climate device GUI workflow by addressing NullPointerException scenarios when the API returns a null GUI field. The fix improves reliability, user experience, and maintainability of the Verisure integration in openhab-addons.
May 2026
November 2025
1 Commits
Nov 1, 2025Monthly performance summary for 2025-11 focused on stabilizing and delivering business value through critical bug fixes in the Verisure API integration of the openhab/openhab-addons repository. The effort centered on improving reliability, error handling, and developer hygiene to ensure a more robust addon experience for users.
November 2025
1 Commits
Nov 1, 2025Monthly performance summary for 2025-11 focused on stabilizing and delivering business value through critical bug fixes in the Verisure API integration of the openhab/openhab-addons repository. The effort centered on improving reliability, error handling, and developer hygiene to ensure a more robust addon experience for users.
November 2024
2 Commits • 1 Features
Nov 1, 2024November 2024 performance snapshot for openhab-addons: Delivered two high-impact improvements that expand device coverage and strengthen authentication reliability, with clear business value for end users and maintainability.
2 Commits • 1 Features
Nov 1, 2024November 2024 performance snapshot for openhab-addons: Delivered two high-impact improvements that expand device coverage and strengthen authentication reliability, with clear business value for end users and maintainability.
November 2024
Activity
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Quality Metrics
Correctness85.0%
Maintainability80.0%
Architecture80.0%
Performance70.0%
AI Usage20.0%
Skills & Technologies
Programming Languages
JavaProperties
Technical Skills
API IntegrationAuthenticationDebuggingDevice IntegrationFull Stack DevelopmentIoT IntegrationJavaJava DevelopmentNetwork ProgrammingOpenHAB Binding Developmentbackend development
Repositories Contributed To
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