CL_GUI_FRONTEND_SERVICES - Frontend Services

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This documentation is copyright by SAP AG.

Functionality

The class CL_GUI_FRONTEND_SERVICES contains static methods for the following areas:

File functions

Directory functions

Registry

Environment

Write to / read from clipboard

Upload / download files

Execute programs / open documents

Query functions, such as Windows directory, Windows version, and so on

Standard dialogs (open, save, directory selection)

Relationships

Example

Determine the temp directory on your PC:

DATA: TEMP_DIR TYPE STRING.

CALL METHOD CL_GUI_FRONTEND_SERVICES=>GET_TEMP_DIRECTORY

,,CHANGING

,,TEMP_DIR = TEMP_DIR

,,EXCEPTIONS

,,,,CNTL_ERROR = 1

,,,,ERROR_NO_GUI = 2.

IF SY-SUBRC <> 0.

* Error handling

ENDIF.

* flush to send previous call to frontend

CALL METHOD CL_GUI_CFW=>FLUSH

,,EXCEPTIONS

,,,,CNTL_SYSTEM_ERROR = 1

,,,,CNTL_ERROR = 2

,,,,OTHERS = 3.

IF SY-SUBRC <> 0.

* Error handling

ENDIF.

WRITE: / 'Temporary directory is:', TEMP_DIR.

Notes

The class CL_GUI_FRONTEND_SERVICES is based on the Control Framework. See the documentation for more information, in particular on CL_GUI_CFW=>FLUSH which must be called after many CL_GUI_FRONTEND_SERVICES methods.

Migration Information

The old file transfer model was based on function modules of the function group GRAP. The old featureshave been replaced by the class CL_GUI_FRONTEND_SERVICES. The following list contains the old function modules (italic) and the new methods (bold) that replace them:

• CLPB_EXPORT

CLIPBOARD_EXPORT

• CLPB_IMPORT

CLIPBOARD_IMPORT

• DOWNLOAD

GUI_DOWNLOAD, dialog replaced by FILE_SAVE_DIALOG

• PROFILE_GET

No replacement, use REGISTRY_* methods instead

• PROFILE_SET

No replacement, use REGISTRY_* methods instead

• REGISTRY_GET

REGISTRY_GET_VALUE, REGISTRY_GET_DWORD_VALUE

• REGISTRY_SET

REGISTRY_SET_VALUE, REGISTRY_SET_DWORD_VALUE

• UPLOAD

GUI_UPLOAD, dialog replaced by FILE_OPEN_DIALOG

• WS_DDE

Obsolete: This function is no longer supported.

• SET_DOWNLOAD_AUTHORITY

Obsolete: This function is no longer supported.

• WS_DOWNLOAD

GUI_DOWNLOAD

• WS_DOWNLOAD_WAN

Obsolete: This function is no longer supported.

• WS_EXCEL

Obsolete: This function is no longer supported.

• WS_EXECUTE

EXECUTE

• WS_FILENAME_GET

FILE_SAVE_DIALOG, FILE_OPEN_DIALOG

• WS_FILE_ATTRIB

FILE_SET_ATTRIBUTES, FILE_GET_ATTRIBUTES

• WS_FILE_COPY

FILE_COPY

• WS_FILE_DELETE

FILE_DELETE

• WS_MSG

Obsolete: This function is no longer supported.

• WS_QUERY

• CD (current directory)

DIRECTORY_GET_CURRENT

• EN (read/write environment)

ENVIRONMENT_GET_VARIABLE

• ENVIRONMENT_SET_VARIABLE

• FL (determine file length)

FILE_GET_SIZE

• FE (check if file exists)

FILE_EXIST

• DE (check if directory exists)

DIRECTORY_EXIST

• WS (determine Windows system)

GET_PLATFORM

• OS (operating system)

GET_PLATFORM

• WS_UPLDL_PATH

Obsolete: This function is no longer supported.

• WS_UPLOAD

GUI_UPLOAD

• WS_VOLUME_GET

Obsolete: This function is no longer supported.

Further information

ABAP Short Reference   BAL_S_LOG - Application Log: Log header data  
This documentation is copyright by SAP AG.


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