// TODO Would special Background*-objects have advantages?
Request request = new CommandLineRequest(this, "", uri, null, null, null);
this.objectModel.put(ObjectModelHelper.REQUEST_OBJECT, request);
this.objectModel.put(ObjectModelHelper.RESPONSE_OBJECT,
new CommandLineResponse());
this.objectModel.put(ObjectModelHelper.CONTEXT_OBJECT,
new CommandLineContext(context.getAbsolutePath()) );
}