requestContext) 4: { 5: return new MvcHandler(requestContext); 6: } 7: } RequestContext { get; private set; } 8: public MvcHandler(RequestContext requestContext) 9 : { 10: this.RequestContext = requestContext; 11: } 12: public void ProcessRequest 1: public interface IController 2: { 3: void Execute(RequestContext requestContext); 4: 然后通过从自己的RequestContext中提取的RouteData获得Controller的名称,最后将它连同RequestContext一起作为ContollerFactory的CreateController
requestContext) 20: { 21: return new MvcHandler(requestContext); 22: } 23: } 1: public class MvcHandler: IHttpHandler 2: { 3: public RequestContext RequestContext{get; requestContext) 9: { 10: this.RequestContext = requestContext; 11: } 12: 1: public interface IController 2: { 3: void Execute(RequestContext requestContext); 4: requestContext) 4: { 5: string action = requestContext.RouteData.Action; 6:
requestContext = RequestContext.getCurrentContext(); // 从上下文中拿到请求对象 HttpServletRequest requestContext = RequestContext.getCurrentContext(); HttpServletResponse response = requestContext.getResponse requestContext = RequestContext.getCurrentContext(); // 从上下文中拿到请求对象 HttpServletRequest requestContext = RequestContext.getCurrentContext(); // 从上下文中拿到请求对象 HttpServletRequest requestContext = RequestContext.getCurrentContext(); // 从上下文中拿到请求对象 HttpServletRequest
[源代码从这里下载] 如下面的代码片断所示,GetVirtualPath定义了两个GetVirtualPath方法重载,它们共同的参数requestContext和values分别表示请求上下文(RouteData requestContext, RouteValueDictionary values); 5: public VirtualPathData GetVirtualPath(RequestContext )创建一个RequestContext对象作为调用路由对象GetVirtualPath方法的同名参数,该参数包含一个空的RouteData对象。 requestContext = new RequestContext(); 9: requestContext.HttpContext = new HttpContextWrapper 参数依然为Null;第三次我们同时为参数requestContext和values指定了具体的对象,而后者包含两个参数(areaCode=028;days=3)。
这边给大家介绍两种方式获取响应数据: 第一种 try { Object zuulResponse = RequestContext.getCurrentContext().get("zuulResponse 在RibbonRoutingFilter或者SimpleHostRoutingFilter中可以看到下面一段代码: public Object run() { RequestContext context = RequestContext.getCurrentContext(); this.helper.addIgnoredHeaders(); try { RibbonCommandContext null : resp.getBody(), resp.getHeaders()); } 上面第一行代码就可以解释我们的第一种获取的方法,这边直接把响应内容加到了RequestContext中。 context = RequestContext.getCurrentContext(); context.setResponseStatusCode(status); if (entity
这个函数则会创建一个_RequestContext对象。 值得注意的是:这个对象在创建时,将Flask实例的本身作为实参传入_RequestContext自身,因此, self.app = Flask()。 所以,虽然每次http请求都会创建一个_RequestContext对象,但是,每次创建的时候都会将同一个Flask对象传入该对象的app成员变量,使得: 由同一个Flask对象响应的请求所创建的_RequestContext 对象的app成员变量都共享同一个application 通过在Flask对象中创建_RequestContext对象,并将Flask自身作为参数传入_RequestContext对象的方式,实现了多个request 由于,一个http请求对应一个_RequestContext对象的创建,而每个_RequestContext对象的创建对应一个Request对象的创建,所以,每个http请求对应一个Request对象。
Result test(HttpServletRequest request,Model model){ //从后台代码获取国际化信息 RequestContext requestContext = new RequestContext(request); String msg = requestContext.getMessage("msg"); requestContext = new RequestContext(request); String msg = requestContext.getMessage("msg"); requestContext = new RequestContext(request); String msg = requestContext.getMessage("msg"); requestContext = new RequestContext(request); String msg = requestContext.getMessage("msg");
ctx = RequestContext.getCurrentContext(); ctx.setRequest(req); ctx.setResponse(resp) ctx =RequestContext.getCurrentContext(); HttpServletRequest servletRequest = ctx.getRequest( ctx = RequestContext.getCurrentContext(); RequestEntity requestEntity = ctx.getRequestEntity( extends RequestContext> contextClass = RequestContext.class; protected static final ThreadLocal<? extends RequestContext> threadLocal = new ThreadLocal<RequestContext>() { @Override protected
ctx = RequestContext.getCurrentContext(); ctx.setRequest(req); ctx.setResponse(resp) ctx =RequestContext.getCurrentContext(); HttpServletRequest servletRequest = ctx.getRequest( ctx = RequestContext.getCurrentContext(); RequestEntity requestEntity = ctx.getRequestEntity extends RequestContext> contextClass = RequestContext.class; protected static final ThreadLocal<? extends RequestContext> threadLocal = new ThreadLocal<RequestContext>() { @Override protected
RequestContext 在此之前,我们先理解什么是RequestContext: RequestContext:用于在过滤器之间传递消息。它的数据保存在每个请求的ThreadLocal中。 RequestContext扩展了ConcurrentHashMap,所以,任何数据都可以存储在上下文中。 这样,该过滤器就会把RequestContext.setDebugRouting()、RequestContext.setDebugRequest() 设为true。 serviceId在RequestContext.getCurrentContext().get("serviceId") 中。 URL在RequestContext.getRouteHost() 中。 ?
requestContext) { 37: string virtualPath = GetSubstitutedVirtualPath(requestContext); UrlAuthorizationModule.CheckUrlAccessForPrincipal(virtualPath, requestContext.HttpContext.User, requestContext.HttpContext.Request.HttpMethod = null) 47: routablePage.RequestContext = requestContext; 48: } requestContext) { 58: if (! , requestContext.RouteData.Values); 66: if (vpd == null) 67: return
" #include "Response.h" #define DEFAULT_RouterTable_SIZE 1<<5 int NotFound(RequestContext* requestContext ){ return 404; } typedef struct { char* key; ResponseData* (*run)(RequestContext* requestContext (char* uri) { // 分配内存给 RequestContext 结构体指针 RequestContext* context = (RequestContext*)malloc * requestContext){ // 解析参数 char* username=getParam(requestContext,"username"); char* password * requestContext){ // 解析参数 char* username=getParam(requestContext,"username"); char* password
} @Override public Object run() throws ZuulException { //获取当前请求的请求上下文 RequestContext requestContext = RequestContext.getCurrentContext(); //记录请求进入时间 requestContext.set(" { return true; } @Override public Object run() throws ZuulException { RequestContext requestContext = RequestContext.getCurrentContext(); HttpServletRequest request = requestContext.getRequest ", request.getRequestURI(), (System.currentTimeMillis() - Long.valueOf(requestContext.get
().unset(); } } 跟踪init(),可以发现这个方法为每个请求生成了RequestContext,RequestContext继承了ConcurrentHashMap 并调用了ProxyRequestHelper的setResponse方法,将请求状态码,流等信息保存在RequestContext对象中。 具体代码如下: private void writeResponse() throws Exception { RequestContext context = RequestContext.getCurrentContext 找RequestContext,在请求的生命周期里这个对象里,存储了整个请求的所有信息。 ().setResponseDataStream(newInputStream); 从RequestContext获取到流之后,首先将流 copy一份,将流转化下字符串,存在日志中,再set到RequestContext
ctx = RequestContext.getCurrentContext();// 获取请求体参数if (! 代码清单 7-24 响应内容获取源码 public Object run() { RequestContext context = RequestContext.getCurrentContext 代码清单 7-27 DebugFilter run方法 @Overridepublic Object run() { RequestContext ctx = RequestContext.getCurrentContext 到这步后发现还是很迷茫,一般我们调试信息的话肯定是用日志输出来的,日志级别就是Debug,但这个Debug信息只是累加起来存储到RequestContext中,没有对使用者展示。 代码清单 7-32 Debug信息设置响应 private void addResponseHeaders() { RequestContext context = RequestContext.getCurrentContext
@Override public boolean shouldFilter() { RequestContext requestContext = RequestContext.getCurrentContext (); HttpServletRequest request = requestContext.getRequest(); return PatternMatchUtils.simpleMatch(“* @Override public Object run() { RequestContext requestContext = RequestContext.getCurrentContext(); requestContext.setResponseStatusCode(HttpStatus.FORBIDDEN.value()); requestContext.setResponseBody(HttpStatus.FORBIDDEN.getReasonPhrase ()); requestContext.setSendZuulResponse(false); return null; } 返回403 Forbidden错误,通过requestContext.setSendZuulResponse
@Override public boolean shouldFilter() { RequestContext requestContext = RequestContext.getCurrentContext @Override public Object run() { RequestContext requestContext = RequestContext.getCurrentContext() ; requestContext.setResponseStatusCode(HttpStatus.FORBIDDEN.value()); requestContext.setResponseBody (HttpStatus.FORBIDDEN.getReasonPhrase()); requestContext.setSendZuulResponse(false); return null ; } 返回403 Forbidden错误,通过requestContext.setSendZuulResponse(false)不进行路由.
."); //向header中添加鉴权令牌 RequestContext requestContext = RequestContext.getCurrentContext (); //获取header HttpServletRequest request = requestContext.getRequest(); String = null) { System.out.println("authorization: " + authorization); requestContext.addZuulRequestHeader
filter之间不直接communicate ,他们之间通过RequestContext来共享状态信息,既然filter都是对特定Request的处理,那么RequestContext就是Request 的Context,RequestContext用来管理 Request的Context,不受其它Request的影响。 `,*/ RequestContext context = RequestContext.getCurrentContext(); // 执行Pre filters 提供了执行filter Pipeline所需要的Context,因为Servlet是单例多线程,这就要求RequestContext即要线程安全又要Request安全。 RequestContext简单wrap 了ConcurrentHashMap吗,没有太过复杂的逻辑,此处不再分析。
github_mirror_plus/zuul ---- Table of Contents 简介实现逻辑源码基于 Servlet 的请求转发ZuulServlet 核心代码ZuulRunner 核心代码RequestContext context = RequestContext.getCurrentContext(); context.setZuulEngineRan(); try extends RequestContext> contextClass = RequestContext.class; private static RequestContext testContext extends RequestContext> threadLocal = new ThreadLocal<RequestContext>() { @Override protected * * @return */ public RequestContext copy() { RequestContext copy = new RequestContext