adminsessioninterceptor.java

一个jsp写的bbs

package com.laoer.bbscs.web.interceptor;

import java.io.*;
import javax.servlet.*;
import javax.servlet.http.*;

import org.apache.struts.action.*;
import org.apache.commons.lang.*;
import net.sf.struts.saif.*;
import com.laoer.bbscs.comm.Constant;
import com.laoer.bbscs.web.action.ActionUtils;
import org.springframework.web.context.support.WebApplicationContextUtils;
import org.springframework.web.context.WebApplicationContext;
import com.laoer.bbscs.comm.AjaxMessagesXML;
import com.laoer.bbscs.comm.BBSCSUtil;
import com.laoer.bbscs.service.config.SysConfig;

/**
 * <p>Title: Tianyi BBS</p>
 *
 * <p>Description: BBSCS</p>
 *
 * <p>Copyright: Copyright (c) 2006</p>
 *
 * <p>Company: Laoer.com</p>
 *
 * @author Gong Tianyi
 * @version 7.0
 */
public class AdminSessionInterceptor
    implements ActionHaveForwardInterceptor {

  public AdminSessionInterceptor() {
  }

  /**
   * afterAction
   *
   * @param action Action
   * @param actionMapping ActionMapping
   * @param actionForm ActionForm
   * @param httpServletRequest HttpServletRequest
   * @param httpServletResponse HttpServletResponse
   * @return ActionForward
   * @throws IOException
   * @throws ServletException
   * @todo Implement this net.sf.struts.saif.ActionHaveForwardInterceptor method
   */
  public ActionForward afterAction(Action action, ActionMapping actionMapping,
                                   ActionForm actionForm, HttpServletRequest httpServletRequest,
                                   HttpServletResponse httpServletResponse) throws IOException,
      ServletException {
    return null;
  }

  /**
   * beforeAction
   *
   * @param action Action
   * @param actionMapping ActionMapping
   * @param actionForm ActionForm
   * @param httpServletRequest HttpServletRequest
   * @param httpServletResponse HttpServletResponse
   * @return ActionForward
   * @throws IOException
   * @throws ServletException
   * @todo Implement this net.sf.struts.saif.ActionHaveForwardInterceptor method
   */
  public ActionForward beforeAction(Action action, ActionMapping actionMapping,
                                    ActionForm actionForm, HttpServletRequest httpServletRequest,
                                    HttpServletResponse httpServletResponse) throws IOException,
      ServletException {
    HttpSession session = httpServletRequest.getSession();
    WebApplicationContext wc = WebApplicationContextUtils.getWebApplicationContext(action.
        getServlet().getServletContext());
    SysConfig sysConfig = (SysConfig) wc.getBean("sysConfig");
    if (session.getAttribute(Constant.ADMIN_SESSION_KEY) == null) {
      ActionMessages errors = new ActionMessages();
      String ajax = httpServletRequest.getParameter("ajax");
      if (StringUtils.isBlank(ajax)) {
        ajax = "html";
      }
      if (ajax.equalsIgnoreCase("html")) {
        errors.add("error.adminlogin.timeout", new ActionMessage("error.adminlogin.timeout"));
        ActionUtils.addErrors(httpServletRequest, errors);

        //return actionMapping.findForward("adminLogin");
        return ActionUtils.getLoginForward(actionMapping, httpServletRequest, sysConfig, "admin");
      }
      else if (ajax.equalsIgnoreCase("shtml")) {
        errors.add("error.adminlogin.timeout", new ActionMessage("error.adminlogin.timeout"));
        ActionUtils.addErrors(httpServletRequest, errors);

        //return actionMapping.findForward("adminLogin");
        return ActionUtils.getLoginForward(actionMapping, httpServletRequest, sysConfig, "admin");
      }
      else {

        AjaxMessagesXML ajaxMessagesXML = (AjaxMessagesXML) wc.getBean("ajaxMessagesXML");
        ajaxMessagesXML.setMessage(Constant.CODEID_ADMIN_LOGIN_TIMEOUT,
                                   Constant.MESSAGE.getMessage(httpServletRequest.getLocale(),
            "error.adminlogin.timeout"));
        httpServletRequest.setAttribute("xmlo", ajaxMessagesXML.getXmlo());
        httpServletRequest.setAttribute("messagesDocument", ajaxMessagesXML.getMessagesDocument());
        return actionMapping.findForward("ajaxjsp");
      }
    }
    return null;
  }
}