// make useful objects available to scripts
mgr.registerBean("resolver", this.resolver);
mgr.registerBean("source", super.source);
mgr.registerBean("objectModel", this.objectModel);
mgr.registerBean("parameters", this.parameters);
mgr.registerBean("logger", getLogger());
// provide both a StringBuffer and ContentHandler to script,
// so that it can provide XML either as a String or as SAX events
mgr.registerBean("output", output);
mgr.registerBean("contentHandler",contentHandler);