Servlet Source Code

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1. Protected void Service (httpservletrequest req, httpservletresponse resp)
2. Throws servletexception, ioexception
3. {
4. String method = Req. getmethod ();
5. If (method. Equals ("get "))
6. {
7. Long lastmodified = getlastmodified (req );
8. If (lastmodified =-1l)
9. {
10. Doget (req, resp );
11. } Else
12. {
13. Long ifmodifiedsince = Req. getdateheader ("If-modified-since ");
14. If (ifmodifiedsince <(lastmodified/1000l) * 1000l)
15. {
16. Maybesetlastmodified (resp, lastmodified );
17. Doget (req, resp );
18. } Else
19. {
20. Resp. setstatus (304 );
21. }
22. }
23. } Else
24. If (method. Equals ("head "))
25. {
26. Long lastmodified = getlastmodified (req );
27. Maybesetlastmodified (resp, lastmodified );
28. Dohead (req, resp );
29. } Else
30. If (method. Equals ("Post "))
31. Dopost (req, resp );
32. Else
33. If (method. Equals ("put "))
34. Doput (req, resp );
35. Else
36. If (method. Equals ("delete "))
37. Dodelete (req, resp );
38. Else
39. If (method. Equals ("options "))
40. Dooptions (req, resp );
41. Else
42. If (method. Equals ("trace "))
43. {
44. Dotrace (req, resp );
45. } Else
46. {
47. String errmsg = lstrings. getstring ("HTTP. method_not_implemented ");
48. Object errargs [] = new object [1];
49. Errargs [0] = method;
50. Errmsg = messageformat. Format (errmsg, errargs );
51. Resp. senderror (501, errmsg );
52. }
53. }

Servlet Source Code