Created by Wang, Jerry, last modified on Mar 26, 2015
使用SAT運作OData service測試report:

直接運作report:
確定OData service傳回正确結果:
REPORT ZGATEWAY_TOOL.
PARAMETERS: url TYPE string OBLIGATORY DEFAULT `/sap/opu/odata/SAP/CRM_OPPORTUNITY/Opportunities(guid'0090FA11-45EC-1ED2-B7C9-DDF68EF91193')?$expand=Products`.
DATA:lo_http_client TYPE REF TO if_http_client,
lv_status TYPE i,
lt_header TYPE TIHTTPNVP,
ls_header LIKE LINE OF lt_header,
lv_sysubrc TYPE sysubrc.
CALL METHOD cl_http_client=>create_by_destination
EXPORTING
destination = 'NONE'
IMPORTING
client = lo_http_client
EXCEPTIONS
argument_not_found = 1
plugin_not_active = 2
internal_error = 3
OTHERS = 4.
ASSERT sy-subrc = 0.
CALL METHOD lo_http_client->request->set_method( if_http_request=>co_request_method_get ).
*Disable pop-up when request receives unauthorized error: error 401.
lo_http_client->propertytype_logon_popup = if_http_client=>co_disabled.
*Send request.
ls_header-name = '~request_method'.
ls_header-value = 'GET'.
APPEND ls_header TO lt_header.
ls_header-name = '~request_uri'.
ls_header-value = url.
APPEND ls_header TO lt_header.
lo_http_client->request->set_header_fields( lt_header ).
CALL METHOD lo_http_client->send
EXCEPTIONS
http_communication_failure = 1
http_invalid_state = 2
http_processing_failed = 3.
ASSERT sy-subrc = 0.
* Get response.
CALL METHOD lo_http_client->receive
EXCEPTIONS
http_communication_failure = 1
http_invalid_state = 2
http_processing_failed = 3.
IF sy-subrc <> 0.
CALL METHOD lo_http_client->get_last_error
IMPORTING
code = lv_sysubrc
message = DATA(ev_message).
BREAK-POINT.
RETURN.
ENDIF.
DATA(lv_text) = lo_http_client->response->get_cdata( ).
lo_http_client->close( ).
BREAK-POINT.