HTTP系列之http链接强转为https链接Filter

HTTP系列之http链接强转为https链接Filter

import java.io.IOException;import java-.URI;import java-.URISyntaxException;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.annotation.WebFilter;import javax.servlet.javax.servlet.lombok.extern.slf4j.Slf4j;/** * *

 * HTTP过滤器，根据请求协议进行过滤，* 

* @author Nicky * @date：2018年01月19日 下午11:55:57 *

 * 修改记录 *    修改后版本:     修改人：  修改日期:     修改内容:  * 

*/@Slf4j@WebFilter(filterName="/Http2HttpsFilter",urlPatterns="/*")public class Http2HttpsFilter implements Filter { public Http2HttpsFilter() { } @Override public void destroy() { } @Override public void doFilter(ServletRequest request, ServletResponse response, FilterChain chain) throws IOException, ServletException { HttpServletRequest req = (HttpServletRequest)request; HttpServletResponse res = (HttpServletResponse)response; //获取请求协议 String scheme = request.getScheme(); log.info("转换前的链接为:"+req.getRequestURL()+"?"+req.getQueryString()); // try{ if(req.getQueryString()!=null && !"".equals(req.getQueryString())){ reqUri = new URI(req.getRequestURL()+"?"+req.getQueryString()); }else{ reqUri = new URI(req.getRequestURL().toString()); } newUri = new URI("reqUri.getUserInfo(), reqUri.getHost(), reqUri.getPort(), reqUri.getPath(), reqUri.getQuery(), reqUri.getFragment()); }catch(URISyntaxException e){ e.printStackTrace(); } //根据请求协议进行过滤，请求协议为HTTP的都进行过滤 if(scheme.equals(" log.info("转换后的链接为:"+newUri.toString()); //重定向 res.sendRedirect(newUri.toString());// res.sendRedirect(sbd.toString()); //chain.doFilter(req, res); return; }else{ chain.doFilter(req, res); } } @Override public void init(FilterConfig fConfig) throws ServletException { }}

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