title: IDP Initiated SSO Implementation in existing App
body: <p>I have an existing application and all of a sudden i have been given a task to implement IDP initiated SSO. there is a URL to IDP clicking on it asks me to login with IDP provided credentials, after success login the route moves to our application and than my task start to identify the user and give the proper access. I have the certificate provided from our IDP. How can i achieve this? My application is a Spring MVC Java Application.I am using JBOSS AS 7. I havent done a similar thing before. Can anyone please give a step by step clear picture on this? I saw the Spring SAML extension which i couldnt understand properly to get it integrate with my existing app.  Any help in this regard will be highly appreciated.</p>