/** {@inheritDoc} */ @Override public void handle(String target, Request req, HttpServletRequest srvReq, HttpServletResponse res) throws IOException, ServletException { if (log.isDebugEnabled()) log.debug("Handling request [target=" + target + ", req=" + req + ", srvReq=" + srvReq + ']'); if (target.startsWith("/gridgain")) { processRequest(target, srvReq, res); req.setHandled(true); } else if (target.startsWith("/favicon.ico")) { if (favicon == null) { res.setStatus(HttpServletResponse.SC_NOT_FOUND); req.setHandled(true); return; } res.setStatus(HttpServletResponse.SC_OK); res.setContentType("image/x-icon"); res.getOutputStream().write(favicon); res.getOutputStream().flush(); req.setHandled(true); } else { if (dfltPage == null) { res.setStatus(HttpServletResponse.SC_NOT_FOUND); req.setHandled(true); return; } res.setStatus(HttpServletResponse.SC_OK); res.setContentType("text/html"); res.getWriter().write(dfltPage); res.getWriter().flush(); req.setHandled(true); } }
private void sendResponse(HttpServletResponse pResp, String pContentType, String pJsonTxt) throws IOException { setContentType(pResp, pContentType); pResp.setStatus(200); setNoCacheHeaders(pResp); PrintWriter writer = pResp.getWriter(); writer.write(pJsonTxt); }
@Override public void service(HttpServletRequest request, HttpServletResponse response) throws IOException { response.setContentType("text/html"); String path = request.getRequestURI(); // use routes if present if (this.routes != null) { String route = this.routes.getProperty(path); if (route != null) { path = route; // then we also need to replace the HttpServletRequest.getRequestURI method // request = getRequestWrapper(request, path); } } if (path.endsWith("/")) path += "index"; String source = null; // check for changes first if (this.debug && contextCache.checkForChanges()) { if (this.pageInfoCache != null) this.pageInfoCache.clear(); } ScriptContext context = contextCache.getContext(); try { serve(request, response, context, path, null); } catch (Exception e) { int status = getStatus(e); response.setStatus(status); response.setContentType("text/plain"); System.out.println(e.toString()); if (errorPath != null && status >= 500) { try { serve(request, response, context, errorPath, e); } catch (Exception f) { e.printStackTrace(response.getWriter()); response.getWriter().write("ERROR IN ERROR HANDLER PAGE!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!"); f.printStackTrace(response.getWriter()); } } else if (debug && status == 500) { e.printStackTrace(response.getWriter()); } else if (e instanceof JavaScriptException) { JavaScriptException je = (JavaScriptException) e; response.getWriter().write(je.getValue().toString()); } else { response.getWriter().write(e.getMessage()); } } finally { contextCache.returnContext(context); } }
/** * Sets a status and sends an info message. * * @param code status code * @param message info message * @param error treat as error (use web server standard output) * @throws IOException I/O exception */ public void status(final int code, final String message, final boolean error) throws IOException { try { log(message, code); res.resetBuffer(); if (code == SC_UNAUTHORIZED) res.setHeader(WWW_AUTHENTICATE, BASIC); if (error && code >= SC_BAD_REQUEST) { res.sendError(code, message); } else { res.setStatus(code); if (message != null) res.getOutputStream().write(token(message)); } } catch (final IllegalStateException ex) { log(Util.message(ex), SC_INTERNAL_SERVER_ERROR); } }
public void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException { String path = request.getPathInfo(); boolean htmlOutput = true; String language = null; String contentType = "text/html; charset='utf-8'"; if (path != null) { if (path.endsWith(".rdf")) { contentType = "application/rdf+xml; charset='utf-8'"; htmlOutput = false; language = "RDF/XML"; } else if (path.endsWith(".xml")) { contentType = "application/xml; charset='utf-8'"; htmlOutput = false; language = "RDF/XML"; } else if (path.endsWith(".n3")) { contentType = "text/n3; charset='utf-8'"; htmlOutput = false; language = "N3"; } } response.setContentType(contentType); response.setStatus(HttpServletResponse.SC_OK); Writer writer = response.getWriter(); synchronized (board) { if (htmlOutput) { writer.write( "<!DOCTYPE html>\n" + "<html lang='en'>" + "<head><meta charset='utf-8'/><title>MATe model</title></head>" + "<body><ul>"); StmtIterator it = model.listStatements(); /* TODO: well, this could be prettier */ while (it.hasNext()) writer.write("<li>" + it.nextStatement() + "</li>"); writer.write("<ul></body></html>"); } else model.write(writer, language); } }
/** * Process HTTP request. * * @param act Action. * @param req Http request. * @param res Http response. */ private void processRequest(String act, HttpServletRequest req, HttpServletResponse res) { res.setContentType("application/json"); res.setCharacterEncoding("UTF-8"); GridRestCommand cmd = command(req); if (cmd == null) { res.setStatus(HttpServletResponse.SC_BAD_REQUEST); return; } if (!authChecker.apply(req.getHeader("X-Signature"))) { res.setStatus(HttpServletResponse.SC_UNAUTHORIZED); return; } GridRestResponse cmdRes; Map<String, Object> params = parameters(req); try { GridRestRequest cmdReq = createRequest(cmd, params, req); if (log.isDebugEnabled()) log.debug("Initialized command request: " + cmdReq); cmdRes = hnd.handle(cmdReq); if (cmdRes == null) throw new IllegalStateException("Received null result from handler: " + hnd); byte[] sesTok = cmdRes.sessionTokenBytes(); if (sesTok != null) cmdRes.setSessionToken(U.byteArray2HexString(sesTok)); res.setStatus(HttpServletResponse.SC_OK); } catch (Exception e) { res.setStatus(HttpServletResponse.SC_OK); U.error(log, "Failed to process HTTP request [action=" + act + ", req=" + req + ']', e); cmdRes = new GridRestResponse(STATUS_FAILED, e.getMessage()); } catch (Throwable e) { U.error(log, "Failed to process HTTP request [action=" + act + ", req=" + req + ']', e); throw e; } JsonConfig cfg = new GridJettyJsonConfig(); // Workaround for not needed transformation of string into JSON object. if (cmdRes.getResponse() instanceof String) cfg.registerJsonValueProcessor(cmdRes.getClass(), "response", SKIP_STR_VAL_PROC); if (cmdRes.getResponse() instanceof GridClientTaskResultBean && ((GridClientTaskResultBean) cmdRes.getResponse()).getResult() instanceof String) cfg.registerJsonValueProcessor(cmdRes.getResponse().getClass(), "result", SKIP_STR_VAL_PROC); JSON json; try { json = JSONSerializer.toJSON(cmdRes, cfg); } catch (JSONException e) { U.error(log, "Failed to convert response to JSON: " + cmdRes, e); json = JSONSerializer.toJSON(new GridRestResponse(STATUS_FAILED, e.getMessage()), cfg); } try { if (log.isDebugEnabled()) log.debug("Parsed command response into JSON object: " + json.toString(2)); res.getWriter().write(json.toString()); if (log.isDebugEnabled()) log.debug( "Processed HTTP request [action=" + act + ", jsonRes=" + cmdRes + ", req=" + req + ']'); } catch (IOException e) { U.error(log, "Failed to send HTTP response: " + json.toString(2), e); } }