jPetStore-master/src/main/java/org/springframework/samples/jpetstore/web/struts/SecureBaseAction.java
package org.springframework.samples.jpetstore.web.struts;

import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;

import org.apache.struts.action.ActionForm;
import org.apache.struts.action.ActionForward;
import org.apache.struts.action.ActionMapping;

public abstract class SecureBaseAction extends BaseAction {

  public ActionForward execute(ActionMapping mapping, ActionForm form, HttpServletRequest request, HttpServletResponse response) throws Exception {
    AccountActionForm acctForm = (AccountActionForm) request.getSession().getAttribute("accountForm");
    if (acctForm == null || acctForm.getAccount() == null) {
      String url = request.getServletPath();
      String query = request.getQueryString();
      if (query != null) {
        request.setAttribute("signonForwardAction", url+"?"+query);
      }
			else {
        request.setAttribute("signonForwardAction", url);
      }
      return mapping.findForward("global-signon");
    }
		else {
      return doExecute(mapping, form, request, response);
    }
  }

	protected abstract ActionForward doExecute(ActionMapping mapping, ActionForm form, HttpServletRequest request, HttpServletResponse response) throws Exception;

}
