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Case Distinction CASE TYPE OF for Exceptions

This example demonstrates the case distinction CASE TYPE OF for exception classes.

Other versions: 7.31 | 7.40 | 7.54

Source Code

    DATA number TYPE string.
    out = cl_demo_output=>new( ).
    cl_demo_input=>request( CHANGING field = number ).
    TRY.
        my_sqrt( number ).
      CATCH cx_root INTO DATA(exc).
        CASE TYPE OF exc.
          WHEN TYPE cx_sy_arithmetic_error.
            out->display( 'Arithmetic error' ).
          WHEN TYPE cx_sy_conversion_error.
            out->display( 'Conversion error' ).
          WHEN OTHERS.
            out->display( 'Other error' ).
        ENDCASE.
    ENDTRY.

Description

Non-specific exceptions of the superclass CX_DYNAMIC_CHECK can be propagated from a method my_sqrt. The actual exception class is determined from the calling method using the case distinction CASE TYPE OF.