Error while using CALL METHOD

Question

I am getting a error while using CALL METHOD cl_ssf_xsf_utilities=>get_bds_graphic_as_bmp
The error is class "CL_SSF_XSF_UTILITIES is unknown. How to correct that?? please help I am new to object oriented programming??
Edited by: priya singh on Nov 18, 2008 2:14 PM

Answer 1

This is my code.
REPORT ZSAVE_FUNCTION .
D A T A D E C L A R A T I O N S *
DATA: v_bitmap TYPE xstring, "graphic data
v_file TYPE string, "file name
v_length TYPE i. "length of binary file
DATA: BEGIN OF it_bitmaps OCCURS 0,
object TYPE tdobjectgr, "object
name TYPE tdobname, "name
id TYPE tdidgr, "id
tdbtype TYPE tdbtype, "graphic type
END OF it_bitmaps.
DATA: itab TYPE TABLE OF x.
*class cl_ssf_xsf_utilities definition.
    public section.
  methods : get_bds_graphic_as_bmp
DATA: L_GRAPHIC_XSTR TYPE XSTRING.
*method cl_ssf_xsf_utilities
S E L E C T I O N - S C R E E N *
SELECTION-SCREEN BEGIN OF BLOCK b1 WITH FRAME.
PARAMETERS: p_object TYPE tdobjectgr, "object
p_btype TYPE tdbtype, "graphic type
p_name TYPE tdobname, "name
p_id TYPE tdidgr. "id
SELECTION-SCREEN END OF BLOCK b1.
SELECTION-SCREEN BEGIN OF BLOCK b2 WITH FRAME.
PARAMETERS: p_file TYPE rlgrap-filename. "file name
SELECTION-SCREEN END OF BLOCK b2.
*A T S E L E C T I O N - S C R E E N O N V A L U E - R E Q U E S T *
AT SELECTION-SCREEN ON VALUE-REQUEST FOR p_name.
*-- Creating f4 help for the parameters
PERFORM get_f4_object_name.
AT SELECTION-SCREEN ON VALUE-REQUEST FOR p_file.
*-- Getting the current value entered
PERFORM get_current_value.
*-- Value Request Functionality For Input File Name
PERFORM f4_value_request.
S T A R T O F - S E L E C T I O N *
START-OF-SELECTION.
*--Getting the graphic as a BMP file
PERFORM get_graphic_bmp.
*--Convert the Xstring format to binary format
PERFORM convert_to_binary.
*--Download the graphic
PERFORM download_graphic.
*& Form get_current_value
Get the current file path entered
FORM get_current_value .
DATA: BEGIN OF li_dynp_value_tab OCCURS 0.
INCLUDE STRUCTURE dynpread.
DATA: END OF li_dynp_value_tab.
DATA: l_program_name LIKE d020s-prog,
l_dynpro_number LIKE d020s-dnum.
l_program_name = sy-cprog.
l_dynpro_number = sy-dynnr.
REFRESH li_dynp_value_tab.
li_dynp_value_tab-fieldname = 'P_FILE'.
APPEND li_dynp_value_tab.
CALL FUNCTION 'DYNP_VALUES_READ'
EXPORTING
dyname = l_program_name
dynumb = l_dynpro_number
TABLES
dynpfields = li_dynp_value_tab
EXCEPTIONS
invalid_abapworkarea = 04
invalid_dynprofield = 08
invalid_dynproname = 12
invalid_dynpronummer = 16
invalid_request = 20
no_fielddescription = 24
undefind_error = 28.
IF sy-subrc <> 0.
MESSAGE ID sy-msgid TYPE 'S' NUMBER sy-msgno
WITH sy-msgv1 sy-msgv2 sy-msgv3 sy-msgv4.
ENDIF.
READ TABLE li_dynp_value_tab INDEX 1.
p_file = li_dynp_value_tab-fieldvalue.
ENDFORM. " get_current_value
*& Form f4_value_request
Provinding the f4 for the given path
FORM f4_value_request .
*-- if the file is to be downloaded to presentation server
CALL FUNCTION '/SAPDMC/LSM_F4_FRONTEND_FILE'
EXPORTING
pathname = p_file
CHANGING
pathfile = p_file
EXCEPTIONS
canceled_by_user = 1
system_error = 2
OTHERS = 3.
IF sy-subrc <> 0.
MESSAGE ID sy-msgid TYPE 'S' NUMBER sy-msgno
WITH sy-msgv1 sy-msgv2 sy-msgv3 sy-msgv4.
ENDIF.
ENDFORM. " f4_value_request
*& Form GET_GRAPHIC_BMP
Get the graphic as a BMP file
FORM get_graphic_bmp.
CALL METHOD cl_ssf_xsf_utilities=>get_bds_graphic_as_bmp
EXPORTING
p_object = p_object
p_name = p_name
p_id = p_id
p_btype = p_btype
RECEIVING
p_bmp = L_GRAPHIC_XSTR
EXCEPTIONS
not_found = 1
internal_error = 2
OTHERS = 3.
IF sy-subrc <> 0.
MESSAGE ID sy-msgid TYPE sy-msgty NUMBER sy-msgno
WITH sy-msgv1 sy-msgv2 sy-msgv3 sy-msgv4.
ENDIF.
ENDFORM. " GET_GRAPHIC_BMP
*& Form CONVERT_TO_BINARY
Converting the xstring to binary format
FORM convert_to_binary .
CALL FUNCTION 'SCMS_XSTRING_TO_BINARY'
EXPORTING
buffer = v_bitmap
IMPORTING
output_length = v_length
TABLES
binary_tab = itab.
ENDFORM. " CONVERT_TO_BINARY
*& Form DOWNLOAD_GRAPHIC
Download the graphic
FORM download_graphic .
v_file = p_file.
CONCATENATE p_file '.BMP' INTO v_file.
CALL FUNCTION 'GUI_DOWNLOAD'
EXPORTING
bin_filesize = v_length
filename = v_file
filetype = 'BIN'
TABLES
data_tab = itab
EXCEPTIONS
file_write_error = 1
no_batch = 2
gui_refuse_filetransfer = 3
invalid_type = 4
no_authority = 5
unknown_error = 6
header_not_allowed = 7
separator_not_allowed = 8
filesize_not_allowed = 9
header_too_long = 10
dp_error_create = 11
dp_error_send = 12
dp_error_write = 13
unknown_dp_error = 14
access_denied = 15
dp_out_of_memory = 16
disk_full = 17
dp_timeout = 18
file_not_found = 19
dataprovider_exception = 20
control_flush_error = 21
OTHERS = 22.
IF sy-subrc <> 0.
MESSAGE ID sy-msgid TYPE sy-msgty NUMBER sy-msgno
WITH sy-msgv1 sy-msgv2 sy-msgv3 sy-msgv4.
ENDIF.
ENDFORM. " DOWNLOAD_GRAPHIC
*& Form GET_F4_OBJECT_NAME
Get F4 values for object names
FORM get_f4_object_name .
DATA: dynpfld_mapping TYPE STANDARD TABLE OF dselc WITH HEADER LINE,
return_tab TYPE STANDARD TABLE OF ddshretval WITH HEADER LINE.
*--Selecting the values to be provided as f4 help
SELECT tdobject
tdname
tdid
tdbtype
FROM stxbitmaps
INTO TABLE it_bitmaps.
*--To update the values in the remaining fields
dynpfld_mapping-fldname = 'F0001'.
dynpfld_mapping-dyfldname = 'P_OBJECT'.
APPEND dynpfld_mapping.
dynpfld_mapping-fldname = 'F0002'.
dynpfld_mapping-dyfldname = 'P_NAME'.
APPEND dynpfld_mapping.
dynpfld_mapping-fldname = 'F0003'.
dynpfld_mapping-dyfldname = 'P_ID'.
APPEND dynpfld_mapping.
dynpfld_mapping-fldname = 'F0004'.
dynpfld_mapping-dyfldname = 'P_BTYPE'.
APPEND dynpfld_mapping.
*--Providing f4 help with the selected values
CALL FUNCTION 'F4IF_INT_TABLE_VALUE_REQUEST'
EXPORTING
retfield = 'TDOBNAME'
dynpprog = sy-repid
dynpnr = sy-dynnr
dynprofield = 'P_NAME'
value_org = 'S'
TABLES
value_tab = it_bitmaps
dynpfld_mapping = dynpfld_mapping
EXCEPTIONS
parameter_error = 1
no_values_found = 2
OTHERS = 3.
IF sy-subrc <> 0.
MESSAGE ID sy-msgid TYPE sy-msgty NUMBER sy-msgno
WITH sy-msgv1 sy-msgv2 sy-msgv3 sy-msgv4.
ENDIF.
ENDFORM. " GET_F4_OBJECT_NAME