Common data-formats which are used to store configuration information and to transfer data between systems are discussed.

1. Data Formats By Subhash Chandran

3. Integration and communication

5. Text

7. Both systems should support same interfaces

8. Both should support the same version of the interfaces

10. RMI

11. COM

12. EAI

14. CSV

15. Ini

16. Java properties

17. XML

18. JSON

19. YAML

21. The definition should be understandable by all participating applications

23. CSV Limitations No one standard: “name”,”age,”,”” name,age, Both the above are valid!

25. Good parser support

26. ini format example [key1] subkey1 = value subkey2 = value [key2] subkey1 = value subkey2 = value

28. No external library required for parsing

30. Has well defined set of complementing technologies: DTD, XML Schema, XSLT, XPath

31. Wide support in many programming languages

32. Any level of nesting

33. JSON JavaScript Object Notation

35. Good for Ajax

36. JSON Examples ["python","java","ruby"] {"python":"Guido van Rossum","php":"Rasmus Lerdorf","java":"James Gosling"}

37. Serialize Java Objects as JSON

38. Consume JSON in JavaScript: Arrays

39. Consume JSON in JavaScript: Map

40. YAML: YAML Ain’t Markup Language american: - Boston Red Sox - Detroit Tigers - New York Yankees national: - New York Mets - Chicago Cubs - Atlanta Braves

41. When to use what? Ini Two level hierarchy. JSON When JavaScript consumes your content. Ajax applications. XML All cases! YAML Human editing is needed.

42. Thanks :-)