Show TOC

Function documentationCompression Techniques Locate this document in the navigation structure

 

If you want to send large quantities of data, we recommend that you compress it first to keep the transports as small as possible.

Example

The example below shows how you might use data compression.

Syntax Syntax

    2. 

  2. DATA: html_body TYPE string.
    3. 

  3. …
    4. 

  4. IF compress NE space.
    5. 

    6. 

  6.      CALL METHOD server->response->set_header_field(
    7. 

  7.           name  = 'Content-Type'                            
    8. 

  8.           value = 'text/html' ).
    9. 

  9. *
    10. 

  10. * is compression supported and does client support gzip
    11. 

  11. * compression technique
    12. 

  12. *
    13. 

  13.     CALL METHOD server->set_compression
    14. 

  14.       EXPORTING
    15. 

  15.         options          = if_http_server=>co_compress_in_all_cases
    16. 

  16.       EXCEPTIONS
    17. 

  17.         compression_not_possible = 1
    18. 

  18.         OTHERS                   = 2.
    19. 

  19.     IF sy-subrc <> 0.
    20. 

  20.       CONCATENATE
    21. 

  21.              '<html>'
    22. 

  22.               '<body>'
    23. 

  23.               'Compress nicht möglich '(001) '</br>'
    24. 

  24.               '</body>'
    25. 

  25.             '</html>'
    26. 

  26.       INTO html_body.
    27. 

  27.     ELSE.
    28. 

  28.       CONCATENATE '<html>'
    29. 

  29.                '<body>'
    30. 

  30.                'Compress erfolgreich '(001) '</br>'
    31. 

  31.                '</body>'
    32. 

  32.              '</html>'
    33. 

  33.        INTO html_body.
    34. 

  34.     ENDIF.
    35. 

  35. *
    36. 

  36. * if compression could be activated the body will be transferred
    37. 

  37. * as gzip compressed body
    38. 

  38. *
    39. 

  39.     CALL METHOD server->response->set_cdata( data = html_body ).
    40. 

  40.   ENDIF.
    41. 

    42. 

  42.  
    43. 

    44. 



End of the code.













More Information
You can follow this example in transaction SICF, in Example_1 under the path default_host/sap/bc/icf/demo/.