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zabap_zip_example.prog.abap
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zabap_zip_example.prog.abap
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*&---------------------------------------------------------------------*
*& Report ZABAP_ZIP_EXAMPLE
*&---------------------------------------------------------------------*
*&
*&---------------------------------------------------------------------*
REPORT ZABAP_ZIP_EXAMPLE.
CLASS: GCL_DATA_PROCESS DEFINITION DEFERRED.
DATA: GO_DATA_PROC TYPE REF TO GCL_DATA_PROCESS.
*----------------------------------------------------------------------*
* CLASS gcl_data_process DEFINITION
*----------------------------------------------------------------------*
CLASS GCL_DATA_PROCESS DEFINITION.
PUBLIC SECTION.
METHODS:
* Instance class constructor
CONSTRUCTOR
EXCEPTIONS
EX_FILE_SEL_ERR
EX_FILE_UPLOAD,
* Zip the files
ZIP_FILE
EXCEPTIONS
EX_BIN_CONV_ERROR
EX_ZIP_ERROR,
* Download the Zip file to the PC folder
DOWNLOAD_FILE
EXPORTING
Y_FILESIZE TYPE I
EXCEPTIONS
EX_DWLD_ERROR.
PRIVATE SECTION.
TYPES:
BEGIN OF PS_BIN_FILE,
NAME TYPE STRING,
SIZE TYPE I,
DATA TYPE SOLIX_TAB,
END OF PS_BIN_FILE.
DATA: PT_BINDATA TYPE STANDARD TABLE OF PS_BIN_FILE,
PT_FILETAB TYPE FILETABLE,
PV_DEST_FILEPATH TYPE STRING,
PT_ZIP_BIN_DATA TYPE STANDARD TABLE OF RAW255,
PV_ZIP_SIZE TYPE I.
METHODS:
* Select the files to be zipped
SELECT_FILES
EXCEPTIONS
EX_FILE_SEL_ERR,
* Select the destination file
SAVE_FILE_DIALOG.
ENDCLASS. "gcl_data_process DEFINITION
*----------------------------------------------------------------------*
* CLASS gcl_data_process IMPLEMENTATION
*----------------------------------------------------------------------*
CLASS GCL_DATA_PROCESS IMPLEMENTATION.
METHOD SELECT_FILES.
DATA: LV_RET_CODE TYPE I,
LV_USR_AXN TYPE I.
CL_GUI_FRONTEND_SERVICES=>FILE_OPEN_DIALOG(
EXPORTING
WINDOW_TITLE = 'Select file'
MULTISELECTION = 'X'
CHANGING
FILE_TABLE = ME->PT_FILETAB
RC = LV_RET_CODE
USER_ACTION = LV_USR_AXN
EXCEPTIONS
FILE_OPEN_DIALOG_FAILED = 1
CNTL_ERROR = 2
ERROR_NO_GUI = 3
NOT_SUPPORTED_BY_GUI = 4
OTHERS = 5
).
IF SY-SUBRC <> 0 OR
LV_USR_AXN = CL_GUI_FRONTEND_SERVICES=>ACTION_CANCEL.
RAISE EX_FILE_SEL_ERR.
ENDIF.
ENDMETHOD. "select_files
METHOD CONSTRUCTOR.
DATA: LWA_FILE TYPE FILE_TABLE,
LV_FILENAME TYPE STRING,
LWA_BINDATA TYPE ME->PS_BIN_FILE.
* Select the files
ME->SELECT_FILES( EXCEPTIONS EX_FILE_SEL_ERR = 1 ).
IF SY-SUBRC <> 0.
RAISE EX_FILE_SEL_ERR.
ENDIF.
* Loop on the selected files & populate the internal table
LOOP AT ME->PT_FILETAB INTO LWA_FILE.
LV_FILENAME = LWA_FILE-FILENAME.
* Upload the PDF data in binary format
CL_GUI_FRONTEND_SERVICES=>GUI_UPLOAD(
EXPORTING
FILENAME = LV_FILENAME
FILETYPE = 'BIN'
IMPORTING
FILELENGTH = LWA_BINDATA-SIZE
CHANGING
DATA_TAB = LWA_BINDATA-DATA
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.
RAISE EX_FILE_UPLOAD.
ENDIF.
* Get the filename
CALL FUNCTION 'SO_SPLIT_FILE_AND_PATH'
EXPORTING
FULL_NAME = LV_FILENAME
IMPORTING
STRIPPED_NAME = LWA_BINDATA-NAME
EXCEPTIONS
X_ERROR = 1
OTHERS = 2.
IF SY-SUBRC <> 0.
* SUBRC check is not reqd.
ENDIF.
* Add the PDF data to the internal table
APPEND LWA_BINDATA TO ME->PT_BINDATA.
ENDLOOP.
ENDMETHOD. "constructor
METHOD ZIP_FILE.
DATA: LO_ZIP TYPE REF TO CL_ABAP_ZIP,
LV_XSTRING TYPE XSTRING,
LV_ZIP_XSTRING TYPE XSTRING.
FIELD-SYMBOLS: <LWA_BINDATA> TYPE ME->PS_BIN_FILE.
CREATE OBJECT LO_ZIP. "Create instance of Zip Class
LOOP AT ME->PT_BINDATA ASSIGNING <LWA_BINDATA>.
* Convert the data from Binary format to XSTRING
CALL FUNCTION 'SCMS_BINARY_TO_XSTRING'
EXPORTING
INPUT_LENGTH = <LWA_BINDATA>-SIZE
IMPORTING
BUFFER = LV_XSTRING
TABLES
BINARY_TAB = <LWA_BINDATA>-DATA
EXCEPTIONS
FAILED = 1
OTHERS = 2.
IF SY-SUBRC <> 0.
RAISE EX_BIN_CONV_ERROR.
ENDIF.
* Add file to the zip folder
LO_ZIP->ADD( NAME = <LWA_BINDATA>-NAME
CONTENT = LV_XSTRING ).
ENDLOOP.
* Get the binary stream for ZIP file
LV_ZIP_XSTRING = LO_ZIP->SAVE( ).
* Convert the XSTRING to Binary table
CALL FUNCTION 'SCMS_XSTRING_TO_BINARY'
EXPORTING
BUFFER = LV_ZIP_XSTRING
IMPORTING
OUTPUT_LENGTH = ME->PV_ZIP_SIZE
TABLES
BINARY_TAB = ME->PT_ZIP_BIN_DATA.
ENDMETHOD. "zip_file
METHOD DOWNLOAD_FILE.
DATA: LV_DEST_PATH TYPE STRING.
* Get the Zip filepath
ME->SAVE_FILE_DIALOG( ).
CHECK ME->PV_DEST_FILEPATH IS NOT INITIAL.
* Download the Zip file
CL_GUI_FRONTEND_SERVICES=>GUI_DOWNLOAD(
EXPORTING
BIN_FILESIZE = ME->PV_ZIP_SIZE
FILENAME = ME->PV_DEST_FILEPATH
FILETYPE = 'BIN'
IMPORTING
FILELENGTH = Y_FILESIZE
CHANGING
DATA_TAB = ME->PT_ZIP_BIN_DATA
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.
RAISE EX_DWLD_ERROR.
ENDIF.
ENDMETHOD. "download_file
METHOD SAVE_FILE_DIALOG.
DATA: LV_FILENAME TYPE STRING,
LV_PATH TYPE STRING.
CL_GUI_FRONTEND_SERVICES=>FILE_SAVE_DIALOG(
EXPORTING
WINDOW_TITLE = 'Select the File Save Location'
FILE_FILTER = '(*.zip)|*.zip|'
CHANGING
FILENAME = LV_FILENAME
PATH = LV_PATH
FULLPATH = ME->PV_DEST_FILEPATH
EXCEPTIONS
CNTL_ERROR = 1
ERROR_NO_GUI = 2
NOT_SUPPORTED_BY_GUI = 3
OTHERS = 4
).
IF SY-SUBRC <> 0.
* SUBRC check is not reqd.
ENDIF.
ENDMETHOD. "save_file_dialog
ENDCLASS. "gcl_data_process IMPLEMENTATION
START-OF-SELECTION.
* Get the local instance of file processing class
CREATE OBJECT GO_DATA_PROC
EXCEPTIONS
EX_FILE_SEL_ERR = 1
EX_FILE_UPLOAD = 2.
IF SY-SUBRC <> 0.
MESSAGE 'Error Uploading files' TYPE 'I'.
LEAVE LIST-PROCESSING.
ENDIF.
* Add the selected files to the ZIP folder
GO_DATA_PROC->ZIP_FILE(
EXCEPTIONS
EX_BIN_CONV_ERROR = 1
EX_ZIP_ERROR = 2 ).
IF SY-SUBRC <> 0.
MESSAGE 'Error Zipping the files' TYPE 'I'.
LEAVE LIST-PROCESSING.
ENDIF.
END-OF-SELECTION.
DATA: GV_FILESIZE TYPE I.
* Download the file to the selected folder
GO_DATA_PROC->DOWNLOAD_FILE(
IMPORTING
Y_FILESIZE = GV_FILESIZE
EXCEPTIONS
EX_DWLD_ERROR = 1 ).
IF SY-SUBRC <> 0.
MESSAGE 'Error downloading the Zip file' TYPE 'E'.
ELSE.
MESSAGE S000(YKG_TEST) WITH GV_FILESIZE 'bytes downloaded'(001).
ENDIF.