When you create a Web interface using the Web Interface Builder, the system generates a BSP page in accordance with the settings in Customizing. The BSP event handlers for the OnInitialisation and OnInputprocessing events are implemented in ABAP class CL_UPWB_BSP_APPL. You can modify the standard system behavior or add new functions.
You have derived a customer-defined subclass from class CL_UPWB_BSP_APPL.
You can modify the following methods of class CL_UPWB_BSP_APPL.
Methods of class CL_UPWB_BSP_APPL that can be redefined
Technical Name |
Description |
LOAD |
This method allows you to add tasks that are executed once only when the initial execution is performed. This method allows you to access all the components related to a Web interface. Example: Setting a layout in display mode. |
DISPATCH |
This method forwards the individual events for a component. It is called at least once for each component related to a Web interface. It is called once for each task of the higher-level processes (initialization or input processing, for example). |
INITIALIZATION |
This method is called for the Initialization event of a BSP page. |
INPUTPROCESSING |
This method is called for the Process After Input (PAI) event of a BSP page. |
FILTER_MESSAGES |
This method allows you to filter or change messages. Example: Displaying either warnings or error messages only. |