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package https.filter;

import java.io.IOException;

import javax.servlet.Filter;
import javax.servlet.FilterChain;
import javax.servlet.FilterConfig;
import javax.servlet.ServletContext;
import javax.servlet.ServletException;
import javax.servlet.ServletRequest;
import javax.servlet.ServletResponse;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import javax.servlet.http.HttpSession;

import com.common.AnnexXML;
import com.common.BlankUtil;
import com.common.Node;

public class CRTFilter implements Filter{
 
 public static HttpSession sessionWebApp;
 public static String xmlFilePath=null;
 public static String webXMLPath=null;
 

 public void destroy() {
  
  
 }

 public void doFilter(ServletRequest servletRequest, ServletResponse servletResponse,
   FilterChain filterChain) throws IOException, ServletException {
  HttpServletRequest request=(HttpServletRequest)servletRequest;
     HttpServletResponse response=(HttpServletResponse)servletResponse;
     HttpSession session=request.getSession(false);
     sessionWebApp=session;
    
     String xmlFilePath=null; 
        if(!BlankUtil.isBlank(request)){
             
       if(!BlankUtil.isBlank(request)){
        HttpSession httpSession=request.getSession();
        xmlFilePath = request.getRealPath("WEB-INF/classes/annexInternet.xml");
      
          if(BlankUtil.isBlank(httpSession.getAttribute("xmlFilePath"))){
     httpSession.setAttribute("xmlFilePath", xmlFilePath);
    
      }
         this.xmlFilePath=xmlFilePath;
           
      
        if(BlankUtil.isBlank(this.webXMLPath)){
            this.webXMLPath = request.getRealPath("WEB-INF/web.xml");
        }
      }
        }
     ServletContext application=session.getServletContext();
     String port="";//端口号
     String IP="";//IP地址,域名如localhost

     String requestHost=request.getHeader("host");
     String[] args=requestHost.split(":");
     if(args.length==1){
      port="80";
      IP=args[0];
     }else {
      port=args[1];
      IP=args[0];
  }
   
    
     /**获取URL地址,比如:https://www.congguan.com:8443*/
     String   url=request.getScheme()+"://";  
        url+=request.getHeader("host");  
        url+=request.getRequestURI();
        if(request.getQueryString()!=null)  
              url+="?"+request.getQueryString();
       
        session.setAttribute("userIP", IP);//这个是给HibernateFilter判断使用的
     
        //同一个session不能够可以连接两个系统
        /*if(!BlankUtil.isBlank(session.getAttribute("IP")) && !BlankUtil.isBlank(session.getAttribute("IP2"))){
         session.removeAttribute("IP2");
         session.removeAttribute("IP1");
        }*/
      
          Node cayNode=AnnexXML.getCayNode();
        if(BlankUtil.isBlank(session.getAttribute("cayNode"))){
         while(true){
           if(!BlankUtil.isBlank(cayNode) && !BlankUtil.isBlank(cayNode.getUrl())){
          session.setAttribute("cayNode", cayNode);
          break;
           }
           if(BlankUtil.isBlank(cayNode) || BlankUtil.isBlank(cayNode.getUrl())){
            cayNode=AnnexXML.getCayNode();
           }
         }
        }
  
        Node cgNode=AnnexXML.getCgNode();
        if(BlankUtil.isBlank(session.getAttribute("cgNode"))){
         while(true){
            if(!BlankUtil.isBlank(cgNode) && !BlankUtil.isBlank(cgNode.getUrl())){
          session.setAttribute("cgNode", cgNode);
          break;
            }
            if(BlankUtil.isBlank(cgNode) || BlankUtil.isBlank(cgNode.getUrl())){
             cgNode=AnnexXML.getCgNode();
            }
         }
        }
        //System.out.println(session.isNew());
       
     
  
      Node sessionCayNode=(Node)session.getAttribute("cayNode");
      Node sessionCgNode=(Node)session.getAttribute("cgNode");
       if(sessionCayNode.getUrl().equals(url.trim())){
       
        session.removeAttribute("IP");
       }
       if(sessionCgNode.getUrl().equals(url)){
        session.removeAttribute("IP2");
       }
       
       
        if(IP.equals(cayNode.getIp()) && BlankUtil.isBlank(session.getAttribute("IP"))){
         session.setAttribute("IP", cayNode.getIp());
         String redirect=cayNode.getIndexPage();
         session.removeAttribute("IP2");
         response.sendRedirect(redirect);        
        }
     
        else if(IP.equals(cgNode.getIp()) && BlankUtil.isBlank(session.getAttribute("IP2"))){
         session.setAttribute("IP2", cgNode.getIp());
         String redirect=cgNode.getIndexPage();
         session.removeAttribute("IP");
         response.sendRedirect(redirect);
        }
      
       
       /* if(IP.equals("cg") && BlankUtil.isBlank(session.getAttribute("IP2"))){
         session.setAttribute("IP2", "cg");
         String redirect="indexs.jsp";
         response.sendRedirect(redirect);        
        }*/
       
       
       
    
  filterChain.doFilter(servletRequest, servletResponse);
  
 }

 public void init(FilterConfig filterConfig) throws ServletException {
  
  System.out.println("CRTFilter init...................");
 }

}