package freemarker.ext.rhino;
import java.util.List;
import org.mozilla.javascript.Context;
import org.mozilla.javascript.Function;
import org.mozilla.javascript.Scriptable;
import org.mozilla.javascript.ScriptableObject;
import freemarker.ext.beans.BeansWrapper;
import freemarker.template.TemplateMethodModelEx;
import freemarker.template.TemplateModel;
import freemarker.template.TemplateModelException;
/**
* @author Attila Szegedi
* @version $Id: RhinoFunctionModel.java,v 1.2.2.1 2006/12/27 16:10:48 szegedia Exp $
*/
public class RhinoFunctionModel extends RhinoScriptableModel
implements TemplateMethodModelEx {
private final Scriptable fnThis;
public RhinoFunctionModel(Function function, Scriptable fnThis,
BeansWrapper wrapper) {
super(function, wrapper);
this.fnThis = fnThis;
}
public Object exec(List arguments) throws TemplateModelException {
Context cx = Context.getCurrentContext();
Object[] args = arguments.toArray();
BeansWrapper wrapper = getWrapper();
for (int i = 0; i < args.length; i++) {
args[i] = wrapper.unwrap((TemplateModel)args[i]);
}
return wrapper.wrap(((Function)getScriptable()).call(cx,
ScriptableObject.getTopLevelScope(fnThis), fnThis, args));
}
}