public Object call(Object obj,
    String method,
    Object[] args) throws BSFException 
{
	StringBuffer tclScript = new StringBuffer (method);
	if (args != null) {
	  for( int i = 0 ; i <  args.length ; i++ ) {
	tclScript.append (" ");
	tclScript.append (args[i].toString ());
	  }
	}
	return eval ("< function call >", 0, 0, tclScript.toString ());
}

 public  void declareBean(BSFDeclaredBean bean) throws BSFException 
{
	String expr = "set " + bean.name + " [bsf lookupBean \"" + bean.name +
	  "\"]";
	eval ("< declare bean >", 0, 0, expr);
}

Declare a bean

 public Object eval(String source,
    int lineNo,
    int columnNo,
    Object oscript) throws BSFException 
{
	String script = oscript.toString ();
	try {
	  interp.eval (script);
	  TclObject result = interp.getResult();
	  Object internalRep = result.getInternalRep();
	  // if the object has a corresponding Java type, unwrap it
	  if (internalRep instanceof ReflectObject)
		return ReflectObject.get(interp,result);
	  if (internalRep instanceof TclString)
		return result.toString();
	  if (internalRep instanceof TclDouble)
		return new Double(TclDouble.get(interp,result));
	  if (internalRep instanceof TclInteger)
		return new Integer(TclInteger.get(interp,result));
	  return result;
	} catch (TclException e) { 
	  throw new BSFException (BSFException.REASON_EXECUTION_ERROR,
			      "error while eval'ing Jacl expression: " + 
			      interp.getResult (), e);
	}
}

This is used by an application to evaluate a string containing some expression.

 public  void initialize(BSFManager mgr,
    String lang,
    Vector declaredBeans) throws BSFException 
{
	super.initialize (mgr, lang, declaredBeans);
	// create interpreter
	interp = new Interp();
	// register the extension that user's can use to get at objects
	// registered by the app
	interp.createCommand ("bsf", new BSFCommand (mgr, this));
	// Make java functions be available to Jacl
        try {
   		interp.eval("jaclloadjava");
	} catch (TclException e) {
		throw new BSFException (BSFException.REASON_OTHER_ERROR,
					"error while loading java package: " +
					interp.getResult (), e);
	}
	int size = declaredBeans.size ();
	for (int i = 0; i <  size; i++) {
	  declareBean ((BSFDeclaredBean) declaredBeans.elementAt (i));
	}
}

Initialize the engine.

 public  void undeclareBean(BSFDeclaredBean bean) throws BSFException 
{
	eval ("< undeclare bean >", 0, 0, "set " + bean.name + " \"\"");
}

Undeclare a previously declared bean.