JSR-223 Scala Script Engine

Question

I'm trying to use Scala as a script language, that will be called from java and after that I need to get some objects as a result of script execution.

I tried to find a good interpretor that can do what i need but unsuccesfull. Is the exists an implementation of JSR-223 for Scala? Or may be someone know how to solve my problem. Thanks.

did you see this: http://stackoverflow.com/questions/5654888/how-do-i-set-up-jsr223-scripting-with-scala-as-scripting-language — axel22, Jun 26 '12 at 15:44

score 7 · Accepted Answer · answered Jun 02 '13 at 14:36

7

Official support in scala starts in version 2.11 as seen in this closed ticket: https://issues.scala-lang.org/browse/SI-874

answered Jun 02 '13 at 14:36

Oswaldo

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score 3 · Answer 2 · answered Jun 29 '12 at 00:27

3

This library: http://code.google.com/p/scalascriptengine/ may help solve your problem.

answered Jun 29 '12 at 00:27

Johan Prinsloo

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score 0 · Answer 3 · edited May 23 '17 at 11:44

To be able to run the Codesnippet mentioned in (How do I set up jsr223 scripting with scala as scripting language) I needed to make the following changes. I used Scala 2.11.0-M4

public static void main(String args[]){
  ScriptEngine engine = new ScriptEngineManager().getEngineByName("scala");

  // Set up Scriptenvironment to use the Java classpath
  List nil = Nil$.MODULE$;
  $colon$colon vals = $colon$colon$.MODULE$.apply((String) "true", nil);
  ((IMain)engine).settings().usejavacp().tryToSet(vals);ScriptContext.ENGINE_SCOPE);

  engine.getContext().setAttribute("labelO", new Integer(4), ScriptContext.ENGINE_SCOPE);
  try {
    engine.eval("val label = labelO.asInstanceOf[Integer]\n"+
                "println(\"ergebnis: \" + (2 + label ))");
  } catch (ScriptException ex) {
    ex.printStackTrace();
  }
}

score 0 · Answer 4 · answered Apr 23 '14 at 21:41

0

This is a solid ScriptingEngine implementation

answered Apr 23 '14 at 21:41

lisak

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The link gives 404 currently. – Renato Jan 08 '17 at 10:49

JSR-223 Scala Script Engine

4 Answers4

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