Object messages

The object messages has the same type as class CL_BSP_MESSAGES . This object is a message container and outputs different types of error messages. It contains a list of error messages with details of severity, condition, and the corresponding text.

You use the object to handle users' incorrect entries in BSP applications. For more information, see Handling Incorrect Input .

An entry is made in the list if syntax errors occur in automatic page attributes, for example, when the entry cannot be converted to a specific format. The attribute name must be available.

You can add additional entries to the messages object during input processing . Texts and conditions are user-definable in this case.

The following methods are available:

• NUM_MESSAGES

  This method returns the number of messages when it is called.

• ADD_MESSAGE

  This method adds a single message when it is called.

• GET_MESSAGE

  This method returns the requested message when it is called.

• ASSERT

  This method returns the message index for a specific condition or 0 when it is called.

• ASSERT_SEVERITY

  This method returns the severity of the error for a specific condition or 0 when it is called.

• ASSERT_MESSAGE

  This method returns the message for a specific condition or an empty string when it is called.

The conditions specify the message types or error levels. The following error levels are available:

The messages are grouped together in a table (attribute M_MESSAGES ).

There is an example showing the use of this object in the SAP System in the BSP application bsptutorialmessages , in the package SBSP_DOCU .