Spring: how to pass objects from filters to controllers

Question

I\'m trying to add a Filter that creates an object that is then to be used inside a controller in a Spring Boot application.

The idea is to use the Filter as a \"cen

Answer 1

An addition to wcong's answer. Since Spring 4.3 after setting the attribute by using request.setAttribute(passKey, passValue);, you can access the attribute in your controller by simply annotating it with @RequestAttribute.

ex.

@RequestMapping("/")
public String index(@RequestAttribute passKey) {
    return (String) passKey;
}