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zcl_filehandler_frontend.clas.abap
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zcl_filehandler_frontend.clas.abap
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CLASS zcl_filehandler_frontend DEFINITION
PUBLIC
INHERITING FROM zcl_filehandler_base
FINAL
CREATE PUBLIC .
PUBLIC SECTION.
*"* public components of class ZCL_BC_FILEHANDLER_FRONTEND
*"* do not include other source files here!!!
TYPES:
BEGIN OF mts_drives,
name(2), "letter + :
type TYPE string,
END OF mts_drives .
TYPES:
mtt_drives TYPE STANDARD TABLE OF mts_drives .
CONSTANTS mc_destination_frontend TYPE ze_destination VALUE 'F'. "#EC NOTEXT
DATA mt_drives TYPE mtt_drives .
METHODS constructor
IMPORTING
!iv_path TYPE string OPTIONAL
EXCEPTIONS
not_implemented .
METHODS get_drives .
CLASS-METHODS f4_help
CHANGING
!cv_fullpath TYPE string .
METHODS exists
REDEFINITION .
METHODS get_dir_content
REDEFINITION .
METHODS get_os
REDEFINITION .
METHODS get_sep
REDEFINITION .
METHODS read_file
REDEFINITION .
METHODS write_file
REDEFINITION .
METHODS delete_file
REDEFINITION .
PROTECTED SECTION.
*"* protected components of class ZCL_BC_FILEHANDLER_FRONTEND
*"* do not include other source files here!!!
PRIVATE SECTION.
*"* private components of class ZCL_BC_FILEHANDLER_FRONTEND
*"* do not include other source files here!!!
ENDCLASS.
CLASS zcl_filehandler_frontend IMPLEMENTATION.
* <SIGNATURE>---------------------------------------------------------------------------------------+
* | Instance Public Method ZCL_BC_FILEHANDLER_FRONTEND->CONSTRUCTOR
* +-------------------------------------------------------------------------------------------------+
* | [--->] IV_PATH TYPE STRING(optional)
* | [EXC!] NOT_IMPLEMENTED
* +--------------------------------------------------------------------------------------</SIGNATURE>
METHOD constructor.
super->constructor( iv_fullpath = iv_path ).
mv_destination = zcl_filehandler_frontend=>mc_destination_frontend.
ENDMETHOD.
* <SIGNATURE>---------------------------------------------------------------------------------------+
* | Instance Public Method ZCL_BC_FILEHANDLER_FRONTEND->DELETE_FILE
* +-------------------------------------------------------------------------------------------------+
* | [<-()] RV_SUBRC TYPE SY-SUBRC
* +--------------------------------------------------------------------------------------</SIGNATURE>
METHOD delete_file.
* no filepath? No file!
IF mv_fullpath IS INITIAL AND mv_filename IS NOT INITIAL.
build_fullpath( ).
ELSEIF mv_fullpath IS INITIAL AND mv_filename IS INITIAL.
rv_subrc = 1024.
RETURN.
ENDIF.
cl_gui_frontend_services=>file_delete(
EXPORTING
filename = mv_fullpath
CHANGING
rc = rv_subrc
EXCEPTIONS
file_delete_failed = 1
cntl_error = 2
error_no_gui = 3
file_not_found = 4
access_denied = 5
unknown_error = 6
not_supported_by_gui = 7
wrong_parameter = 8
OTHERS = 9 ).
IF rv_subrc IS INITIAL AND sy-subrc IS NOT INITIAL.
rv_subrc = sy-subrc.
ENDIF.
ENDMETHOD.
* <SIGNATURE>---------------------------------------------------------------------------------------+
* | Instance Public Method ZCL_BC_FILEHANDLER_FRONTEND->EXISTS
* +-------------------------------------------------------------------------------------------------+
* | [<-()] RV_EXISTS TYPE ABAP_BOOL
* +--------------------------------------------------------------------------------------</SIGNATURE>
METHOD exists.
rv_exists = cl_gui_frontend_services=>file_exist( file = mv_fullpath ). " File under test
ENDMETHOD.
* <SIGNATURE>---------------------------------------------------------------------------------------+
* | Static Public Method ZCL_BC_FILEHANDLER_FRONTEND=>F4_HELP
* +-------------------------------------------------------------------------------------------------+
* | [<-->] CV_FULLPATH TYPE STRING
* +--------------------------------------------------------------------------------------</SIGNATURE>
METHOD f4_help.
DATA: lt_files TYPE filetable,
lv_rc TYPE i.
FIELD-SYMBOLS: <file> TYPE file_table.
cl_gui_frontend_services=>file_open_dialog( EXPORTING
* window_title =
* default_extension =
* default_filename =
* file_filter =
* with_encoding =
* initial_directory =
multiselection = abap_false
CHANGING
file_table = lt_files
rc = lv_rc
* user_action =
).
* no input?
IF lv_rc < 1.
RETURN.
ENDIF.
* Read first file
READ TABLE lt_files ASSIGNING <file> INDEX 1.
IF <file> IS NOT ASSIGNED.
RETURN.
ENDIF.
cv_fullpath = <file>.
ENDMETHOD.
* <SIGNATURE>---------------------------------------------------------------------------------------+
* | Instance Public Method ZCL_BC_FILEHANDLER_FRONTEND->GET_DIR_CONTENT
* +-------------------------------------------------------------------------------------------------+
* | [--->] IV_PATH TYPE CSEQUENCE(optional)
* | [--->] IV_ONLY_SUBDIR TYPE FLAG (default =ABAP_FALSE)
* | [--->] IV_ONLY_FILES TYPE FLAG (default =ABAP_FALSE)
* | [--->] IV_BUILD_OBJECT TYPE FLAG (default =ABAP_FALSE)
* | [--->] IV_APPEND_RETTABLE TYPE FLAG (default =ABAP_FALSE)
* | [<-()] RT_DIRECTORY_CONTENT TYPE ZBCTT_BASIC_FILE_LIST
* +--------------------------------------------------------------------------------------</SIGNATURE>
METHOD get_dir_content.
DATA: lt_filetable TYPE rstt_t_files,
lv_path TYPE string,
lv_cnt TYPE i.
FIELD-SYMBOLS: <intfile> TYPE file_info,
<extfile> TYPE zst_basic_file_list.
IF iv_dirpath IS NOT INITIAL.
lv_path = iv_dirpath.
ELSE.
lv_path = mv_path.
ENDIF.
CHECK lv_path IS NOT INITIAL.
* check for directory
IF cl_gui_frontend_services=>directory_exist( lv_path ) <> abap_true.
EXIT.
ENDIF.
* get files
cl_gui_frontend_services=>directory_list_files(
EXPORTING
directory = lv_path " Suchverzeichnis
files_only = iv_only_files " Gibt nur Dateien zurück, keine Verzeichnisse
directories_only = iv_only_subdir " Gibt nur Verzeichnisse zurück, keine Dateien
CHANGING
file_table = lt_filetable " Zurückgegebene Tabelle mit gefundenen Dateinamen
count = lv_cnt ). " Anzahl Dateien / Verzeichnisse gefunden
* refresh table?
IF iv_append_rettable = abap_false.
REFRESH rt_directory_content.
ENDIF.
* Convert return
LOOP AT lt_filetable ASSIGNING <intfile>.
APPEND INITIAL LINE TO rt_directory_content ASSIGNING <extfile>.
<extfile>-name = <intfile>-filename .
<extfile>-length = <intfile>-filelength.
IF <intfile>-isdir = 1. "directory found
<extfile>-type = mc_filetype_dir.
ELSE.
<extfile>-type = mc_filetype_file.
ENDIF.
CHECK iv_build_object = abap_true.
CREATE OBJECT <extfile>-obj TYPE zcl_filehandler_frontend
EXPORTING
iv_path = |{ iv_dirpath && <extfile>-name }|.
ENDLOOP.
ENDMETHOD.
* <SIGNATURE>---------------------------------------------------------------------------------------+
* | Instance Public Method ZCL_BC_FILEHANDLER_FRONTEND->GET_DRIVES
* +-------------------------------------------------------------------------------------------------+
* +--------------------------------------------------------------------------------------</SIGNATURE>
METHOD get_drives.
* Get all drives ...
DATA: lv_drive(2),
lv_index TYPE sy-index.
FIELD-SYMBOLS: <drive> TYPE mts_drives.
DO.
lv_index = sy-index - 1.
IF lv_index >= strlen( sy-abcde ) .
EXIT.
ENDIF.
* Read all drives
lv_drive = |{ sy-abcde+lv_index(1) }:|.
IF cl_gui_frontend_services=>directory_exist( |{ lv_drive }| ) = abap_true. " Verzeichnisname
APPEND INITIAL LINE TO mt_drives ASSIGNING <drive>.
<drive>-name = lv_drive.
* Get type --> see bottom
cl_gui_frontend_services=>get_drive_type( EXPORTING
drive = |{ <drive>-name }| " Laufwerk
CHANGING
drive_type = <drive>-type " Laufwerktyp
EXCEPTIONS
OTHERS = 5 ).
cl_gui_cfw=>flush( ).
IF sy-subrc <> 0.
<drive>-type = 'ERROR'.
ENDIF.
ENDIF.
ENDDO.
*REMOVABLE
*A drive IS classified AS removable IF it can be removed FROM the computer WHILE the computer IS running.
* Funktioniert nicht sauber mit USB - Sticks
*FIXED
*A fixed drive cannot be removed DURING normal operation OF the computer
*
*REMOTE
*This VALUE IS returned FOR network shares
*
*CDROM
*The SPECIFIED drive IS a CD-ROM drive
*
*RAMDISK
*This IS returned FOR RAM disks
ENDMETHOD.
* <SIGNATURE>---------------------------------------------------------------------------------------+
* | Instance Public Method ZCL_BC_FILEHANDLER_FRONTEND->GET_OS
* +-------------------------------------------------------------------------------------------------+
* | [<-()] RV_OS TYPE SY-OPSYS
* +--------------------------------------------------------------------------------------</SIGNATURE>
METHOD get_os.
*cl_gui_frontend_services=>get_platform(
*RECEIVING
** platform = " Gibt die Plattform zurück
** EXCEPTIONS
** error_no_gui = 1
** cntl_error = 2
** not_supported_by_gui = 3
** others = 4
*).
*IF sy-subrc <> 0.
** MESSAGE ID sy-msgid TYPE sy-msgty NUMBER sy-msgno
** WITH sy-msgv1 sy-msgv2 sy-msgv3 sy-msgv4.
*ENDIF.
ENDMETHOD.
* <SIGNATURE>---------------------------------------------------------------------------------------+
* | Instance Public Method ZCL_BC_FILEHANDLER_FRONTEND->GET_SEP
* +-------------------------------------------------------------------------------------------------+
* | [<-()] RV_SEP TYPE CHAR01
* +--------------------------------------------------------------------------------------</SIGNATURE>
METHOD get_sep.
cl_gui_frontend_services=>get_file_separator( CHANGING file_separator = rv_sep ).
ENDMETHOD.
* <SIGNATURE>---------------------------------------------------------------------------------------+
* | Instance Public Method ZCL_BC_FILEHANDLER_FRONTEND->READ_FILE
* +-------------------------------------------------------------------------------------------------+
* | [--->] IV_READ_AS_BINARY TYPE FLAG (default =ABAP_FALSE)
* | [<---] EV_LENGTH TYPE INT4
* +--------------------------------------------------------------------------------------</SIGNATURE>
METHOD read_file.
DATA: lv_filetype(10).
FIELD-SYMBOLS: <table> TYPE table.
* Content
IF mt_content IS NOT BOUND.
IF iv_read_as_binary = abap_true.
CREATE DATA mt_content TYPE ztt_xfilecontent.
ELSE.
CREATE DATA mt_content TYPE ztt_filecontent.
ENDIF.
ENDIF.
ASSIGN mt_content->* TO <table>.
* binary or text?
IF iv_read_as_binary = abap_true.
lv_filetype = 'BIN'.
mv_as_binary = abap_true.
ELSE.
lv_filetype = 'ASC'.
mv_as_binary = abap_false.
ENDIF.
cl_gui_frontend_services=>gui_upload(
EXPORTING
filename = mv_fullpath
filetype = lv_filetype
* has_field_separator = SPACE
* header_length = 0
* read_by_line = 'X'
* dat_mode = SPACE
codepage = mv_encoding
* ignore_cerr = ABAP_TRUE
* replacement = '#'
virus_scan_profile = space
* isdownload = SPACE
IMPORTING
filelength = mv_filesize
* header =
CHANGING
data_tab = <table>
* isscanperformed = SPACE
EXCEPTIONS
file_open_error = 1
file_read_error = 2
no_batch = 3
gui_refuse_filetransfer = 4
invalid_type = 5
no_authority = 6
unknown_error = 7
bad_data_format = 8
header_not_allowed = 9
separator_not_allowed = 10
header_too_long = 11
unknown_dp_error = 12
access_denied = 13
dp_out_of_memory = 14
disk_full = 15
dp_timeout = 16
not_supported_by_gui = 17
error_no_gui = 18
OTHERS = 19
).
IF sy-subrc <> 0.
ENDIF.
ev_length = mv_filesize.
ENDMETHOD.
* <SIGNATURE>---------------------------------------------------------------------------------------+
* | Instance Public Method ZCL_BC_FILEHANDLER_FRONTEND->WRITE_FILE
* +-------------------------------------------------------------------------------------------------+
* | [--->] IV_WRITE_AS_BINARY TYPE FLAG(optional)
* | [--->] IV_BINSIZE TYPE INT4(optional)
* +--------------------------------------------------------------------------------------</SIGNATURE>
METHOD write_file.
DATA: lv_filetype(10).
FIELD-SYMBOLS: <table> TYPE table.
* binary or text?
IF iv_write_as_binary = abap_true.
lv_filetype = 'BIN'.
ELSE.
lv_filetype = 'ASC'.
ENDIF.
* content
ASSIGN mt_content->* TO <table>.
cl_gui_frontend_services=>gui_download(
EXPORTING
bin_filesize = iv_binsize
filename = mv_fullpath
filetype = lv_filetype
* append = SPACE
* write_field_separator = SPACE
* header = '00'
* trunc_trailing_blanks = SPACE
* write_lf = 'X'
* col_select = SPACE
* col_select_mask = SPACE
* dat_mode = SPACE
* confirm_overwrite = SPACE
* no_auth_check = SPACE
codepage = mv_encoding
* ignore_cerr = ABAP_TRUE
* replacement = '#'
write_bom = mv_bom
* trunc_trailing_blanks_eol = 'X'
* wk1_n_format = SPACE
* wk1_n_size = SPACE
* wk1_t_format = SPACE
* wk1_t_size = SPACE
* show_transfer_status = 'X'
* fieldnames =
* write_lf_after_last_line = 'X'
* virus_scan_profile = '/SCET/GUI_DOWNLOAD'
* IMPORTING
* filelength =
CHANGING
data_tab = <table>
* 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
* not_supported_by_gui = 22
* error_no_gui = 23
* others = 24
).
IF sy-subrc <> 0.
* MESSAGE ID sy-msgid TYPE sy-msgty NUMBER sy-msgno
* WITH sy-msgv1 sy-msgv2 sy-msgv3 sy-msgv4.
ENDIF.
ENDMETHOD.
ENDCLASS.