title: how can i use custom filter with spring MVC
body: <p>I want to develop my login process on my app in a secure way. I used spring MVC 3 structure to dispatch the request related urls. My dispatcher servlet handle all request then my login controller maps required pages. I want to add my custom filter for login process (if user already exists, then welcome page appers otherwise an error page).
  It may be simple but I am new at spring world. I added my filter into web.xml then it is run. But my question is that how can I trig to my login controller inside of my filter. 
  Is there a way of using dispatcher servlet and custom filter at same time, or my mind is just confused.</p>
  
  <p>Please help me,
  Best regard</p>