动态改变主页

动态改变首页

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...................");
?}

}