org.apache.hadoop.http.HtmlQuoting Java Examples
The following examples show how to use
org.apache.hadoop.http.HtmlQuoting.
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Example #1
Source File: ActiveServerFilter.java From incubator-atlas with Apache License 2.0 | 6 votes |
private void handleRedirect(HttpServletRequest servletRequest, HttpServletResponse httpServletResponse, String activeServerAddress) throws IOException { String requestURI = servletRequest.getRequestURI(); String queryString = servletRequest.getQueryString(); if ((queryString != null) && (!queryString.isEmpty())) { requestURI += "?" + queryString; } String quotedUri = HtmlQuoting.quoteHtmlChars(requestURI); if (quotedUri == null) { quotedUri = "/"; } String redirectLocation = activeServerAddress + quotedUri; LOG.info("Not active. Redirecting to {}", redirectLocation); // A POST/PUT/DELETE require special handling by sending HTTP 307 instead of the regular 301/302. // Reference: http://stackoverflow.com/questions/2068418/whats-the-difference-between-a-302-and-a-307-redirect if (isUnsafeHttpMethod(servletRequest)) { httpServletResponse.setHeader(HttpHeaders.LOCATION, redirectLocation); httpServletResponse.setStatus(HttpServletResponse.SC_TEMPORARY_REDIRECT); } else { httpServletResponse.sendRedirect(redirectLocation); } }
Example #2
Source File: RMWebAppFilter.java From hadoop with Apache License 2.0 | 5 votes |
@Override public void doFilter(HttpServletRequest request, HttpServletResponse response, FilterChain chain) throws IOException, ServletException { response.setCharacterEncoding("UTF-8"); String uri = HtmlQuoting.quoteHtmlChars(request.getRequestURI()); String queryString = request.getQueryString(); if (uri == null) { uri = "/"; } if (queryString != null) { uri = uri + "?" + queryString; } RMWebApp rmWebApp = injector.getInstance(RMWebApp.class); rmWebApp.checkIfStandbyRM(); if (rmWebApp.isStandby() && shouldRedirect(rmWebApp, uri)) { String redirectPath = rmWebApp.getRedirectPath() + uri; if (redirectPath != null && !redirectPath.isEmpty()) { String redirectMsg = "This is standby RM. The redirect url is: " + redirectPath; PrintWriter out = response.getWriter(); out.println(redirectMsg); response.setHeader("Location", redirectPath); response.setStatus(HttpServletResponse.SC_TEMPORARY_REDIRECT); return; } } super.doFilter(request, response, chain); }
Example #3
Source File: RMWebAppFilter.java From big-c with Apache License 2.0 | 5 votes |
@Override public void doFilter(HttpServletRequest request, HttpServletResponse response, FilterChain chain) throws IOException, ServletException { response.setCharacterEncoding("UTF-8"); String uri = HtmlQuoting.quoteHtmlChars(request.getRequestURI()); if (uri == null) { uri = "/"; } RMWebApp rmWebApp = injector.getInstance(RMWebApp.class); rmWebApp.checkIfStandbyRM(); if (rmWebApp.isStandby() && shouldRedirect(rmWebApp, uri)) { String redirectPath = rmWebApp.getRedirectPath() + uri; if (redirectPath != null && !redirectPath.isEmpty()) { String redirectMsg = "This is standby RM. The redirect url is: " + redirectPath; PrintWriter out = response.getWriter(); out.println(redirectMsg); response.setHeader("Location", redirectPath); response.setStatus(HttpServletResponse.SC_TEMPORARY_REDIRECT); return; } } super.doFilter(request, response, chain); }
Example #4
Source File: KMSAuthenticationFilter.java From ranger with Apache License 2.0 | 4 votes |
@Override public void sendError(int sc, String msg) throws IOException { statusCode = sc; this.msg = msg; super.sendError(sc, HtmlQuoting.quoteHtmlChars(msg)); }