Run your Java servlets once and serve them to more Java servers then only Domino

1. Let’s serve your data
Frank van der Linden

2. About me
• Freelance Java and front end developer
• Owner of Elstar IT
• Try to do some running and mountain biking
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3. Roadmap
• Theory
• Prepare
• Set up
• Develop
• Test
• Deploy
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4. Theory

5. What is a servlet
• Java program to extends the capabilities of a server
• Servlets provide a component-based, platform-independent method
for building Web-based applications
• Servlets run in web containers, Servlet containers
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6. Structure and architecture
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7. Lifecycle
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8. XAgent - a sort of servlet
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9. Servlet in NSF
• excellent series of Eric McCormick
• https://edm00se.io/servlet-series/
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10. Servlet as OSGi plugin
• run server wide
• Code can be shared with other processes like DOTS, XPages.
• With small changes, it run also on other Java servers, like Tomcat,
WildFly(a.k.a. Boss) and Websphere
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11. OSGi architecture
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12. Prepare

13. Prepare
• Download IDE e.g. Eclipse JEE
• Set Target platform
• Install PDE Debug plugin
• Create com.ibm.notes.java.api project
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*See Appendix A for steps to prepare your IDE

14. Develop

15. goals
• Create a Shared code plugin
• Create a web app plugin which runs on a Java server
• Create a OSGi servlet which run on a Domino server
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* See Appendix B for setup projects

16. my goals
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17. Shared plugin
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18. Domino - Servlet
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19. Web app - Servlet
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20. show some code

21. Logging
• Build in via java.util.logging.Logger
• Log an error to the console….
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22. Logging
• ….log to a file, by adding a (File) handler
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23. Test

24. Test
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25. Test
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26. Test
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27. Test
• tell http quit
• load http
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28. Warning
• After testing remove the pre.launch.ini from your workspace directory
of the Domino server
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29. Deploy

30. Deploy
• 2 ways of deployment to Domino
• as deployable jar
• as an update site.
• Add to web server
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31. As deployable jar
• Export as deployable plugin…
• Put the jar in the correct directory on the server
• tell http quit —> load http
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32. As update site
• Create Feature project, add plugin projects
• Create Update site project, add Feature project
• Add update site to update site database
• tell http quit —> load http
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33. Deploy to web app
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34. let’s deploy it

35. 35

36. Thank you
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https://bitbucket.org/flinden68/lets-serve-your-data

37. Appendix A

38. Target platform
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39. Target platform
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40. Target platform
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41. PDE plugin
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42. PDE plugin
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43. PDE plugin
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44. com.ibm.notes.java.api
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45. Appendix B

46. OSGi Plugin set up
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47. OSGi Plugin set up (servlet)
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48. OSGi Plugin set up (servlet)
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49. OSGi Plugin set up (servlet)
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50. Web app set up
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