Using JavaScript in ABAP

In ABAP we can also using JavaScript using CL_JAVA_SCRIPT class to create an instance of JavaScript, you can also check the demo program DEMO_JAVA_SCRIPT_MINI_EDITOR for your reference.

Here’s the sample code on using JavaScript in ABAP.

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01.ZREPORT_JSCRIPT_ABAP.

02.

03.data: l_JS_RESULT type ref to CL_JAVA_SCRIPT,

04. l_RET_VAL type STRING,

05. l_SRC type STRING.

06.

07.* Create new JavaScript Instance

08.l_JS_RESULT = CL_JAVA_SCRIPT=>CREATE( ).

09.

10.* Put Your JavaScript here

11.concatenate

12. 'var l_SRC = "Hello World,"; '

13. 'l_SRC += " I''m"; '

14. 'l_SRC += " Generated From JavaScript!"; '

15. 'l_SRC; '

16. into l_SRC separated by CL_ABAP_CHAR_UTILITIES=>CR_LF.

17.* Compiling the JavaScript

18.

19.l_JS_RESULT->COMPILE( SCRIPT_NAME = 'FSP.JS' SCRIPT = l_SRC ).

20.

21.* Check if there's any error

22.

23.if l_JS_RESULT->LAST_CONDITION_CODE <> 0.

24. write: / 'Compile Error', l_JS_RESULT->LAST_ERROR_MESSAGE.

25. exit.

26.else.

27. write / 'JavaScript was compiled successfuly'.

28.endif.

29.

30.* Execute the JavaScript

31.l_JS_RESULT->EXECUTE( SCRIPT_NAME = 'FSP.JS' ).

32.

33.if l_JS_RESULT->LAST_CONDITION_CODE <> 0.

34. write: / 'Error in EXECUTE',l_JS_RESULT->LAST_ERROR_MESSAGE.

35. exit.

36.else.

37. write / 'JavaScript was executed'.

38.endif.

39.* Read the JavaScript value

40.l_RET_VAL = l_JS_RESULT->EVALUATE( JAVA_SCRIPT = 'l_SRC;' ).

41." Display the JavaScript value

42.write : / l_RET_VAL.