Subversion Repositories SmartDukaan

package in.shop2020.support.interceptors;

import javax.servlet.ServletContext;

import javax.servlet.http.HttpServletRequest;

import javax.servlet.http.HttpServletResponse;

import javax.servlet.http.HttpSession;

import org.apache.struts2.ServletActionContext;

import com.opensymphony.xwork2.ActionInvocation;

import com.opensymphony.xwork2.interceptor.AbstractInterceptor;

public class LoginInterceptor extends AbstractInterceptor {

    private static final long serialVersionUID = 1L;

    private static final String USER_NAME = "username";

    @Override

    public String intercept(ActionInvocation invocation) throws Exception {

        HttpServletRequest request = ServletActionContext.getRequest();

        HttpServletResponse response = ServletActionContext.getResponse();

        HttpSession session = request.getSession(); // Get the existing session or create a new one

        ServletContext context = ServletActionContext.getServletContext();

        String username = (String) session.getAttribute(LoginInterceptor.USER_NAME);

        if(username == null){

            response.sendRedirect(context.getContextPath() + "/reports");

            return null;

        }

        return invocation.invoke();

    }

}