logoutaction.java

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package lightningboard.action;

import java.io.IOException;
import javax.servlet.ServletException;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import javax.servlet.http.HttpSession;
import lightningboard.Action;
import lightningboard.ActionException;

public class LogoutAction implements Action   {
  public String excute(HttpServletRequest request, HttpServletResponse response)
      throws IOException, ServletException ,ActionException{
    HttpSession session = request.getSession(false);
    session.removeAttribute("loginBean");
    response.sendRedirect("home.do");
    return null;
  }
}