Executing Jython script from java and accessing resulting object

[Kunal Sathe]

Hello All,

I am running a jython script from my java program and I would like to access the resulting value/object. The script returns a boolean value true/false, and I want to access the value as a java.lang.Class.Boolean object. Can someone guide me in the right direction?

Thanks in advance.

Kunal

public static void main(String[] args) {
    	
    	
    	
    	String s1 = "def checkLastName():\n" +
    	                 "  from com.blah.blah.blah import ApplicationHelper\n" +
    	                 "	aHelper = ApplicationHelper()\n"+
	                 "  person = aHelper.getPerson()\n" +
	                 "  lastName = person.getLastName()\n" +
	                 "  if lastName == None or lastName == \"\":\n" +
	                 "    value = bool(1)\n" +
	                 "  else:\n" +
	                 "    value = bool(0)\n" +
	                 "checkLastName();";
												

   
    			
    	
    	
		PythonInterpreter interpreter = new PythonInterpreter();
		interpreter.exec(s1);
		    	
        
    }

[Steve Luke]

You might try:

    Boolean value = interpretor.get("value", Boolean.class);

As long as value is in the correct scope (not sure if it is).

Another thing to try would be to make the checkLastName() method return the true/false, then use interpreter.eval() to call the method and get the results. Something like this:

public static void main(String[] args) {
    	String s1 = "def checkLastName():\n" +
    	                 "  from com.blah.blah.blah import ApplicationHelper\n" +
    	                 "	aHelper = ApplicationHelper()\n"+
	                 "  person = aHelper.getPerson()\n" +
	                 "  lastName = person.getLastName()\n" +
	                 "  if lastName == None or lastName == \"\":\n" +
	                 "    value = bool(1)\n" +
	                 "  else:\n" +
	                 "    value = bool(0)\n" +
	                 "  return value";
    	
		PythonInterpreter interpreter = new PythonInterpreter();
		interpreter.exec(s1);
		Boolean value = interpreter.eval("checkLastName()").__nonzero__();
    }

Note that I have no experience with Jython, but am just starting Python. So I could be way off...