I've got the following (shortened) struts2 action:
public class MyAction extends BaseAction implements CookiesAware {
public String execute() {
if (cookiesMap.containsKey("BLAH"))
blah=Integer.parseInt(cookiesMap.get("BLAH"));
return "success";
}
// For handling cookies
Map<String, String> cookiesMap;
@Override
public void setCookiesMap(Map<String, String> cookiesMap) {
this.cookiesMap = cookiesMap;
}
}
I get a null pointer exception when i do 'cookiesMap.containsKey' - it seems to me that setCookiesMap isn't being called. I've implemented the CookiesAware interface so i would have thought that it should be getting called - have i missed something here?
Thanks
It appears that struts only supports reading cookies, you have to go to the servlet response to actually set a cookie.
In the end, i've opted to bypass the struts2 cookie support entirely and go directly to the servlet request/response objects for both reading and writing:
public class MyAction extends ActionSupport implements ServletResponseAware, ServletRequestAware {
public int division;
public String execute() {
// Load from cookie
for(Cookie c : servletRequest.getCookies()) {
if (c.getName().equals("cookieDivision"))
division=Integer.parseInt(c.getValue());
}
// Save to cookie
Cookie div = new Cookie("cookieDivision", String.format("%d",division));
div.setMaxAge(60*60*24*365); // Make the cookie last a year
servletResponse.addCookie(div);
return "success";
}
// For access to the raw servlet request / response, eg for cookies
protected HttpServletResponse servletResponse;
@Override
public void setServletResponse(HttpServletResponse servletResponse) {
this.servletResponse = servletResponse;
}
protected HttpServletRequest servletRequest;
@Override
public void setServletRequest(HttpServletRequest servletRequest) {
this.servletRequest = servletRequest;
}
}
And there's no configuration required for this method in either struts.xml or web.xml, which is a bonus. So i'm happy with this solution, even if it does paint struts2 in a poor light.