List of usage examples for javax.servlet ServletResponse getWriter
public PrintWriter getWriter() throws IOException;
PrintWriter object that can send character text to the client. From source file:ORG.oclc.os.ipUseThrottleFilter.ipUseThrottleFilter.java
@Override public void doFilter(ServletRequest request, ServletResponse response, FilterChain chain) throws IOException, ServletException { String longAddr = null, shortAddr, s, transactionKey = null; int count;//from www . ja va2 s. c o m boolean ignorable = false; synchronized (simultaneousRequestsByShortIPAddr) { if (totalSimultaneousRequests >= maxTotalSimultaneousRequests) { log.error("This system has exceeded the maxTotalSimultaneousRequests limit of " + maxTotalSimultaneousRequests); log.error(simultaneousRequestsByShortIPAddr); for (String str : simultaneousRequests) log.error(str); ((HttpServletResponse) response).setStatus(HttpURLConnection.HTTP_UNAVAILABLE); response.setContentType("text/html"); PrintWriter writer = response.getWriter(); writer.println("<html><body><h1>Service Temporarily Unavailable</h1>"); writer.println( "The system is experiencing a severe load and is temporarily unable to accept new requests"); if (contactInfo != null) writer.println("<p>Contact " + contactInfo + " for more information</p>"); writer.println("</body></html>"); writer.close(); return; } if (addressInHeader != null) { @SuppressWarnings("unchecked") Enumeration<String> addrs = ((HttpServletRequest) request).getHeaders(addressInHeader); while (addrs.hasMoreElements()) { longAddr = addrs.nextElement(); if (longAddr == null) { if (++addressInHeaderErrorCount < 10) log.error("Expected a " + addressInHeader + " header but got null"); continue; } if (longAddr.lastIndexOf('.') >= 0) break; } } if (longAddr == null) longAddr = request.getRemoteAddr(); int i = longAddr.lastIndexOf('.'); if (i < 0) { log.error("bogus IP address: '" + longAddr + "'"); longAddr = "0.0.0.0"; } shortAddr = longAddr.substring(0, i); // trim off 4th number group // that lets us spot requests from clusters s = equivalentAddresses.get(shortAddr); // map one short addr to another? if (s != null) shortAddr = s; if (ignorableAddresses.contains(shortAddr)) { ignorable = true; } else { Integer icount = simultaneousRequestsByShortIPAddr.get(shortAddr); if (icount != null) count = icount; else count = 0; int maxSimultaneousRequests = (maxTotalSimultaneousRequests - totalSimultaneousRequests) / 4; if (maxSimultaneousRequests == 0) maxSimultaneousRequests = 1; if (count >= maxSimultaneousRequests) { log.error("IP addr " + shortAddr + ".* has exceeded " + maxSimultaneousRequests + " simultaneous requests!"); log.error("maxTotalSimultaneousRequests=" + maxTotalSimultaneousRequests); log.error("totalSimultaneousRequests=" + totalSimultaneousRequests); for (String str : simultaneousRequests) log.error(str); // ((HttpServletResponse)response).setStatus(HttpURLConnection.HTTP_TOO_MANY_REQUESTS); // someday ((HttpServletResponse) response).setStatus(429); // too many requests response.setContentType("text/html"); PrintWriter writer = response.getWriter(); writer.println( "<html><head><title>Too Many Requests</title></head><body><h1>Too Many Requests</h1>"); writer.println("You have exceeded the maximum simultaneous request value of " + maxSimultaneousRequests); writer.println("<p>This message and your IP address have been logged and reported</p>"); if (contactInfo != null) writer.println("<p>Contact " + contactInfo + " for more information</p>"); writer.println("</body></html>"); writer.close(); return; } simultaneousRequestsByShortIPAddr.put(shortAddr, count + 1); icount = totalRequests.get(shortAddr); if (icount != null) count = icount; else count = 0; totalRequests.put(shortAddr, count + 1); totalSimultaneousRequests++; transactionKey = new StringBuilder((new Date(System.currentTimeMillis())).toString()).append('|') .append(shortAddr).append('|').append(((HttpServletRequest) request).getQueryString()) .toString(); simultaneousRequests.add(transactionKey); } } try { HttpServletResponseWrapper wrapper = new HttpServletResponseWrapper((HttpServletResponse) response); chain.doFilter(request, wrapper); } finally { if (!ignorable) synchronized (simultaneousRequestsByShortIPAddr) { totalSimultaneousRequests--; simultaneousRequests.remove(transactionKey); count = simultaneousRequestsByShortIPAddr.get(shortAddr); if (count == 1) // prune them from the table simultaneousRequestsByShortIPAddr.remove(shortAddr); else simultaneousRequestsByShortIPAddr.put(shortAddr, count - 1); } } Calendar c = new GregorianCalendar(); int hour = c.get(Calendar.HOUR_OF_DAY); if (hour == 0 && nextReportingHour == 24) { // new day! // you could reset your daily limits table here nextReportingHour = 0; } if (hour >= nextReportingHour) { // generate the hourly report // you could reset your hourly limits table here nextReportingHour = hour + 1; if (log.isInfoEnabled()) { HashMap<String, Integer> map = new LinkedHashMap<String, Integer>(); List<String> yourMapKeys = new ArrayList<String>(totalRequests.keySet()); List<Integer> yourMapValues = new ArrayList<Integer>(totalRequests.values()); TreeSet<Integer> sortedSet = new TreeSet<Integer>(yourMapValues); Integer[] sortedArray = sortedSet.descendingSet().toArray(new Integer[0]); int size = sortedArray.length; for (int i = 0; i < size; i++) map.put(yourMapKeys.get(yourMapValues.indexOf(sortedArray[i])), sortedArray[i]); Iterator<String> it = map.keySet().iterator(); String key; StringBuilder sb = new StringBuilder("Top 10 users in the last hour"); for (int i = 0; i < 10 && it.hasNext(); i++) { key = it.next(); sb.append("\n ").append(key).append(" : ").append(map.get(key)); } log.info(sb); } totalRequests.clear(); } }
From source file:org.qifu.sys.GreenStepBaseFormAuthenticationFilter.java
protected void redirectToLogin(ServletRequest request, ServletResponse response) throws IOException { if (!Constants.getSystem().equals(Constants.getMainSystem()) && !isAjaxRequest((HttpServletRequest) request)) { // ? core-web try {//from www .ja v a2s . co m if (this.loginUseCurrentCookieForGeneralPackage(request, response)) { // no need to login-page String url = SimpleUtils.getHttpRequestUrl((HttpServletRequest) request); logger.warn("URL = " + url); WebUtils.issueRedirect(request, response, url); return; } } catch (Exception e) { e.printStackTrace(); } } if (isAjaxRequest((HttpServletRequest) request)) { response.setCharacterEncoding(Constants.BASE_ENCODING); response.setContentType("application/json"); response.getWriter().write(Constants.NO_LOGIN_JSON_DATA); return; } /* if (this.isIframeMode((HttpServletRequest)request)) { // iframe ??? login.action ? WebUtils.issueRedirect(request, response, "/pages/system/error_static.jsp"); return; } */ if (this.isTabPage((HttpServletRequest) request)) { // dojox.layout.ContentPane ??? login.action ?? WebUtils.issueRedirect(request, response, "/pages/system/login_again.jsp"); return; } WebUtils.issueRedirect(request, response, getLoginUrl()); }
From source file:com.mobileman.filter.SecurityCheckFilter.java
@Override public void doFilter(ServletRequest request, ServletResponse response, FilterChain filterChain) throws IOException, ServletException { HttpServletRequest rq1 = (HttpServletRequest) request; String requestURI = rq1.getRequestURI().toLowerCase(); DataHolder holder = new DataHolder(rq1); boolean error = false; if (requestURI.contains("/patient/")) { //check patient loaded if (!holder.isPatient()) { error = true;/* w w w.ja v a2 s . c om*/ } } else if (requestURI.contains("/arzt/")) { //check doctor loaded if (!holder.isDoctor()) { error = true; } } else if (requestURI.contains("/admin/") && !requestURI.contains("/admin/anmeldung")) { //check admin loaded if (!holder.isAdmin()) { error = true; } } /////////////// if (requestURI.contains("/public")) { //redirect to /behandlung StringBuffer sb = rq1.getRequestURL(); String newUrl = StringUtils.replace(sb.toString(), "/public", "/behandlung"); java.io.PrintWriter out = response.getWriter(); response.setContentType("text/html"); out.println("<html>"); out.println("<head>"); out.println("<meta http-equiv=\"refresh\" content=\"0;url="); out.print(newUrl); out.println("\" />"); out.println("</head>"); out.println("<body>"); out.println("</body>"); out.println("</html>"); return; } if (error) { //redirect request.getRequestDispatcher("/").forward(request, response); return; } filterChain.doFilter(request, response); }
From source file:org.codeconsole.web.analytics.AnalyticsFilter.java
/** * @see Filter#doFilter(ServletRequest, ServletResponse, FilterChain) *///from ww w . j av a 2 s. c o m public void doFilter(ServletRequest request, ServletResponse response, FilterChain chain) throws IOException, ServletException { HttpServletRequest httpRequest = (HttpServletRequest) request; HttpStatusExposingServletResponse httpResponse = new HttpStatusExposingServletResponse( (HttpServletResponse) response); AnalyticsSession analyticsSession = (AnalyticsSession) httpRequest.getSession() .getAttribute(sessionAttributeName); if (analyticsSession == null) { analyticsSession = new AnalyticsSession(maxHistorySize, httpRequest.getHeader("referer"), getIp(httpRequest)); httpRequest.getSession().setAttribute(sessionAttributeName, analyticsSession); } String compareUrl = getComparisonUrl((HttpServletRequest) request); if (compareUrl.endsWith(analyticsUrl)) { response.setContentType("text/html"); PrintWriter out = response.getWriter(); out.println("<html><head><title>Analytics Report</title></head><body>"); if (ServletRequestUtils.getBooleanParameter(request, "send", false)) { if (analyticsGateway != null) { analyticsGateway.sendAnalytics(analyticsSession); } else { out.println( "<div>Warning: Can't send report. No Spring application context specified/configured.</div>"); } out.println("<div>Message: Report Sent!</div>"); } if (ServletRequestUtils.getBooleanParameter(request, "clear", false)) { analyticsSession.clear(); httpRequest.getSession().setAttribute(sessionAttributeName, analyticsSession); out.println("<div>Message: History Cleared!</div>"); } out.print( "<div><a href=\"?\">Refresh</a> <a href=\"?clear=true\">Clear</a> <a href=\"?send=true\">Send</a> <a href=\"?send=true&clear=true\">Send and Clear</a></div>"); out.print(analyticsSession.toHtmlString()); out.println("</body></html>"); out.close(); } else { String sourceRevision = sourceRevisionResolver == null ? null : sourceRevisionResolver.getRevision(httpRequest); Map<String, String[]> filteredParamMap = request.getParameterMap(); if (!excludedUrlPatterns.isEmpty()) { filteredParamMap = new HashMap<String, String[]>(); for (Iterator<Map.Entry<String, String[]>> it = request.getParameterMap().entrySet().iterator(); it .hasNext();) { Entry<String, String[]> next = it.next(); for (Pattern exclude : excludedUrlPatterns) { if (exclude.matcher(compareUrl).matches()) { filteredParamMap.put(next.getKey(), new String[] { "**FILTERED**" }); } else { filteredParamMap.put(next.getKey(), next.getValue()); } } } } @SuppressWarnings("unchecked") AnalyticsHttpRequest rq = new AnalyticsHttpRequest(httpRequest.getMethod(), httpRequest.getRequestURL().toString(), httpRequest.getQueryString(), filteredParamMap, sourceRevision); try { chain.doFilter(request, httpResponse); } catch (IOException e) { rq.setException(e); throw e; } catch (ServletException e) { rq.setException(e); throw e; } catch (RuntimeException e) { rq.setException(e); throw e; } finally { rq.setCompletionTime(System.currentTimeMillis()); rq.setStatus(httpResponse.getStatus()); boolean ignore = false; if (rq.getStatus() == 200 || rq.getStatus() == 304) { for (Pattern exclude : excludedUrlPatterns) { if (exclude.matcher(compareUrl).matches()) { ignore = true; break; } } } if (!ignore) { analyticsSession.appendHistory(rq); } Serializable userDetails = userDetailsResolver == null ? null : userDetailsResolver.getUserDetails(httpRequest); if (userDetails != null && (analyticsSession.getUserDetails() == null || !analyticsSession.getUserDetails().equals(userDetails))) { analyticsSession.setUserDetails(userDetails); } // in case of clustered sessions, always update the session object to propagate the update. if (!httpResponse.isCommitted()) { httpRequest.getSession().setAttribute(sessionAttributeName, analyticsSession); } if (rq.getWrappedException() != null && analyticsGateway != null) { analyticsGateway.sendAnalytics(analyticsSession); } } } }
From source file:org.xmlactions.web.conceal.HttpPager.java
public void processPage(ServletRequest request, ServletResponse response, String page) throws ServletException, IOException { IExecContext execContext = null;/* www . j a v a 2 s. c om*/ if (response instanceof HttpServletResponse && request instanceof HttpServletRequest) { try { HttpServletRequest httpServletRequest = (HttpServletRequest) request; HttpServletResponse httpServletResponse = (HttpServletResponse) response; execContext = setupExecContext(httpServletRequest, httpServletResponse); String pageName = httpServletRequest.getServletPath(); if (pageName.indexOf("axelconfig") > 0) { PrintWriter out = response.getWriter(); out.print(buildInfo(httpServletRequest, httpServletResponse)); out.close(); return; } if (!pageName.endsWith(".ajax")) { String alternatePage = processPrePages(execContext, httpServletRequest, httpServletResponse); if ("stop".equals(execContext.getString("pre.page.stop"))) { execContext.put("pre.page.stop", ""); response.setContentType("text/html;charset=UTF-8"); PrintWriter out = response.getWriter(); out.print(alternatePage); out.close(); } } log.debug("contextPath:" + httpServletRequest.getContextPath()); log.debug("URI:" + httpServletRequest.getRequestURI()); log.debug("root:" + realPath + " page:" + pageName + " wrapperPage:" + wrapperPage); log.debug(HttpSessionInfo.sysInfo(httpServletRequest)); Action action; if (pageName.endsWith(".ajax")) { page = processAjaxCall(httpServletRequest, httpServletResponse, pageName.substring(1, pageName.length() - ".ajax".length()), execContext); page = StrSubstitutor.replace(page, execContext); } else if (pageName.endsWith(".bin") || pageName.endsWith(".pdfbin")) { String pn = null; if (pageName.endsWith(".pdfbin")) { pn = pageName.substring(1, pageName.length() - ".pdfbin".length()); } else { pn = pageName.substring(1, pageName.length() - ".bin".length()); } page = processAjaxCall(httpServletRequest, httpServletResponse, pn, execContext); if (page.startsWith("EX:")) { PrintWriter out = response.getWriter(); out.print(page); out.close(); } else { byte[] image = (byte[]) execContext.get("image"); if (pageName.endsWith(".pdfbin")) { String outputPdfFileName = execContext.getString("outputFileName"); String ex = serviceJasperPdfRequest(httpServletResponse, image, outputPdfFileName); if (ex != null) { PrintWriter out = response.getWriter(); out.print(page); out.close(); } return; } else { String responseType = execContext.getString("response_type"); if (StringUtils.isEmpty(responseType)) { responseType = "image/png"; } response.setContentType(responseType); processPostPages(execContext, httpServletRequest, httpServletResponse); InputStream in = new ByteArrayInputStream(image); OutputStream out = response.getOutputStream(); // Copy the contents of the file to the output // stream byte[] buf = new byte[1024]; int count = 0; while ((count = in.read(buf)) >= 0) { out.write(buf, 0, count); } in.close(); out.close(); } return; } } else { if (pageName.startsWith("/:")) { String wrapperPageName = null; int secondColon = pageName.indexOf(':', 2); if (secondColon >= 0) { wrapperPageName = pageName.substring(2, secondColon); execContext.put("inner_page", "/" + pageName.substring(secondColon + 1)); } else { if (StringUtils.isEmpty(wrapperPage)) { throw new ServletException("No wrapper page set, why use :"); } wrapperPageName = wrapperPage; execContext.put("inner_page", "/" + pageName.substring(2)); } // insert the requested page into the wrapper page action = new Action(realPath, wrapperPageName, nameSpace); } else { if (StringUtils.isNotEmpty(wrapperPage)) { // we have a base wrapper page defined execContext.put("inner_page", "/" + pageName); action = new Action(realPath, wrapperPage, nameSpace); } else { if (pageName.indexOf("show_axel_config") >= 0) { page = AxelConfig.getAxelConfig(execContext); log.info(page); page = "Config Copied to Log"; action = null; } else { // if we don't have a wrapper page we show the requested page action = new Action(realPath, pageName, nameSpace); } } } if (action != null) { if (StringUtils.isNotEmpty(page)) { page = action.processPage(execContext, page); } else { page = action.processPage(execContext); } } } log.debug("URI:" + httpServletRequest.getRequestURI()); // log.debug("page:" + page); Object object = execContext.get(ActionConst.NO_STR_SUBST); // log.debug(ActionConst.NO_STR_SUBST + ":[" + object + "]"); execContext.put(ActionConst.NO_STR_SUBST, null); if (pageName.toLowerCase().endsWith("soap")) { response.setContentType(IExecContext.CONTENT_TYPE_XML); } else if (pageName.toLowerCase().endsWith("json")) { response.setContentType(IExecContext.CONTENT_TYPE_JSON); } else { response.setContentType(IExecContext.CONTENT_TYPE_HTML); } processPostPages(execContext, httpServletRequest, httpServletResponse); // = = = // check if there is a contentType value stored in the execContext. This could have been set by one of the actions such as an action that wants to return a JSON data. // = = = String contentType = execContext.getString(IExecContext.CONTENT_TYPE_KEY); if (StringUtils.isNotBlank(contentType)) { response.setContentType(contentType); // if (contentType.equals(IExecContext.CONTENT_TYPE_JSON) || contentType.equals(IExecContext.CONTENT_TYPE_XML)) { // if (response instanceof HttpServletResponse) { // ((HttpServletResponse)response).setHeader("Cache-Control", "no-cache, no-store, must-revalidate"); // HTTP 1.1 // ((HttpServletResponse)response).setHeader("Pragma", "no-cache"); // HTTP 1.0 // ((HttpServletResponse)response).setDateHeader("Expires", 0); // Proxies. // } // } } execContext.remove("content_type"); PrintWriter out = response.getWriter(); out.print(page); out.close(); } catch (Throwable t) { // TODO review this, use a better way for reporting the error. log.info(t.getMessage(), t); throw new ServletException(t); } finally { if (execContext != null) { execContext.saveToPersistence(); RequestExecContext.remove(); } } } else { String msg = "Not processing page. Must be HttpServletRequest not [" + request.getClass().getName() + "] and HttpServletResponse not [" + response.getClass().getName() + "]"; log.info(msg); throw new ServletException(msg); } }
From source file:co.kuali.coeus.sys.impl.persistence.SchemaSpyFilter.java
@Override public void doFilter(ServletRequest request, ServletResponse response, FilterChain chain) throws IOException, ServletException { final UserSession session = getGlobalVariableService().getUserSession() != null ? getGlobalVariableService().getUserSession() : (UserSession) ((HttpServletRequest) request).getSession() .getAttribute(KRADConstants.USER_SESSION_KEY); if (session == null || !getPermissionService().isAuthorizedByTemplate(session.getPrincipalId(), KRADConstants.KRAD_NAMESPACE, KimConstants.PermissionTemplateNames.OPEN_VIEW, Collections.singletonMap(KimConstants.AttributeConstants.VIEW_ID, KIM_SCHEMA_SPY_VIEW_ID), Collections.<String, String>emptyMap())) { HttpUtils.disableCache((HttpServletResponse) response); ((HttpServletResponse) response).sendError(HttpServletResponse.SC_FORBIDDEN); return;//from w ww. j a v a 2 s . c o m } if (!getConfigurationService().getPropertyValueAsBoolean(SCHEMA_SPY_CONFIG_PARAM)) { HttpUtils.disableCache((HttpServletResponse) response); response.getWriter().write("SchemaSpy has been disabled."); return; } synchronized (initialized) { if (REFRESH_TRUE.equals(request.getParameter(REFRESH_PARAM)) && initialized.get()) { Executors.newSingleThreadExecutor().execute(refreshSchemaSpy); } if (!initialized.get()) { HttpUtils.disableCache((HttpServletResponse) response); response.getWriter().write("Please wait. SchemaSpy is still processing."); return; } } chain.doFilter(request, response); }
From source file:org.springframework.boot.web.servlet.server.AbstractServletWebServerFactoryTests.java
protected final ServletContextInitializer sessionServletRegistration() { ServletRegistrationBean<ExampleServlet> bean = new ServletRegistrationBean<>(new ExampleServlet() { @Override/*from ww w.ja va 2 s. co m*/ public void service(ServletRequest request, ServletResponse response) throws ServletException, IOException { HttpSession session = ((HttpServletRequest) request).getSession(true); long value = System.currentTimeMillis(); Object existing = session.getAttribute("boot"); session.setAttribute("boot", value); PrintWriter writer = response.getWriter(); writer.append(String.valueOf(existing) + ":" + value); } }, "/session"); bean.setName("session"); return bean; }
From source file:com.evon.injectTemplate.InjectTemplateFilter.java
@Override public void doFilter(ServletRequest request, ServletResponse response, FilterChain chain) throws IOException, ServletException { HttpServletRequest httpRequest = (HttpServletRequest) request; HttpServletResponse httpResponse = (HttpServletResponse) response; StringWriter writer = new StringWriter(); BufferedResponseWrapper wrapper = new BufferedResponseWrapper((HttpServletResponse) response, writer); chain.doFilter(request, wrapper);/* w w w .j a va 2s.c o m*/ String contentType = null; String uri = httpRequest.getRequestURI(); contentType = httpResponse.getContentType(); if (contentTypes.containsKey(uri)) { contentType = contentTypes.get(uri); } else if (contentType != null) { contentTypes.put(uri, contentType); } contentType = (contentType == null) ? "none" : contentType; String out = writer.getBuffer().toString(); boolean requestedURIIsTheTemplate = false; requestedURIIsTheTemplate = InjectUtils.isTemplate(uri); boolean contentTypeIsText = !wrapper.isBinary() && contentType != null && !contentType.equals("none"); if (requestedURIIsTheTemplate || !contentTypeIsText) { if (contentTypeIsText) { response.getWriter().print(out); } return; } if (!templateLodaded && !templateLodadedStarted) { loadTemplates(httpRequest); } TemplateBean template = getTemplatePathByURI(uri); if (template == null) { response.getWriter().print(out); return; } String key = null; if (template.cache.equals("SESSION")) { String cookiesNames = getCookieHashs(httpRequest); key = template.path + cookiesNames; } else if (template.cache.equals("ON")) { key = template.path; } if (!templates.containsKey("/" + template.path)) { throw new ServletException("Template [" + template.path + "] not founded"); } boolean needRefresh = template.refreshInSeconds > 0 && ((System.currentTimeMillis() - template.lastUpdate) / 1000) > template.refreshInSeconds; boolean replaceTemplate = template.cache.equals("OFF") || !htmlContents.containsKey(key) || needRefresh; /* pra investigar erro de nulo, boolean notExist = key==null || !htmlContents.containsKey(key); * if(!notExist) { notExist=!notExist; //throw new ServletException("content not exist"); } */ if (replaceTemplate) { if (needRefresh) { template.lastUpdate = System.currentTimeMillis(); } try { loadContentTemplate(template, request.getServerName(), request.getServerPort(), request.getProtocol().contains("HTTPS"), httpRequest); } catch (Exception e) { throw new ServletException(e.getMessage(), e); } } HTMLInfoBean templateHTML = templates.get("/" + template.path); String contentTemplate = htmlContents.get(key).getContent(); IDocument docOut = HTMLParser.parse(out); for (String selector : templateHTML.getSelectors()) { IElements elements = docOut.select(selector); if (elements.size() == 0) { System.out.println("WARNING: Selector [" + selector + "] in template [" + templateHTML.getUri() + "] not founded in [" + httpRequest.getRequestURI() + "]"); continue; } if (elements.size() != 1) { System.out.println( "WARNING: Selector get many elements. Choosed the first to URI: " + templateHTML.getUri()); } IElement element = elements.get(0); String innerHTML = element.html(); contentTemplate = contentTemplate.replace("<INJECT selector='" + selector + "'/>", innerHTML); } response.getWriter().print(contentTemplate); }
From source file:org.apache.myfaces.custom.ajax.api.AjaxDecodePhaseListener.java
private void encodeAjax(UIComponent component, FacesContext context) { ServletResponse response = (ServletResponse) context.getExternalContext().getResponse(); ServletRequest request = (ServletRequest) context.getExternalContext().getRequest(); UIViewRoot viewRoot = context.getViewRoot(); Map requestMap = context.getExternalContext().getRequestParameterMap(); String charset = (String) requestMap.get("charset"); /* Handle character encoding as of section 2.5.2.2 of JSF 1.1: * At the beginning of the render-response phase, the ViewHandler must ensure * that the response Locale is set to that of the UIViewRoot, for exampe by * calling ServletResponse.setLocale() when running in the servlet environment. * Setting the response Locale may affect the response character encoding. *//from w w w . jav a 2 s . c om * Since there is no 'Render Response' phase for AJAX requests, we have to handle * this manually. */ response.setLocale(viewRoot.getLocale()); if (component instanceof DeprecatedAjaxComponent) { try { String contentType = getContentType("text/xml", charset); response.setContentType(contentType); StringBuffer buff = new StringBuffer(); buff.append("<?xml version=\"1.0\"?>\n"); buff.append("<response>\n"); PrintWriter out = response.getWriter(); out.print(buff); // imario@apache.org: setup response writer, otherwise the component will fail with an NPE. I dont know why this worked before. context.setResponseWriter( new HtmlResponseWriterImpl(out, contentType, request.getCharacterEncoding())); if (component instanceof HtmlCommandButtonAjax) { buff = new StringBuffer(); buff.append("<triggerComponent id=\""); buff.append(component.getClientId(context)); buff.append("\" />\n"); out.print(buff); // special treatment for this one, it will try to update the entire form // 1. get surrounding form //String elname = (String) requestMap.get("elname"); FormInfo fi = RendererUtils.findNestingForm(component, context); UIComponent form = fi.getForm(); //System.out.println("FOUND FORM: " + form); if (form != null) { // special case, add responses from all components in form encodeChildren(form, context, requestMap); } } else if (component instanceof AjaxComponent) { // let component render xml response // NOTE: probably don't need an encodeAjax in each component, but leaving it in until that's for sure ((AjaxComponent) component).encodeAjax(context); } else { // just get latest value AjaxRendererUtils.encodeAjax(context, component); } // end response out.print("</response>"); out.flush(); } catch (IOException e) { log.error("Exception while rendering ajax-response", e); } } else if (component instanceof AjaxComponent) { try { if (context.getResponseWriter() == null) { String contentType = getContentType("text/html", charset); response.setContentType(contentType); PrintWriter writer = response.getWriter(); context.setResponseWriter( new HtmlResponseWriterImpl(writer, contentType, response.getCharacterEncoding())); } ((AjaxComponent) component).encodeAjax(context); } catch (IOException e) { log.error("Exception while rendering ajax-response", e); } } }
From source file:com.netspective.sparx.navigate.NavigationPage.java
/** * Handles the generation of the page body using the assigned page skin * * @param writer writer object to write the output to * @param nc current navigation context *//*from ww w. j a v a2s . c o m*/ public void handlePageBody(Writer writer, NavigationContext nc) throws ServletException, IOException { // see if dynamic commands should be allowed HttpServletRequest request = nc.getHttpRequest(); String panelEditorCommandSpec = request .getParameter(PanelEditorCommand.PANEL_EDITOR_COMMAND_REQUEST_PARAM_NAME); if (panelEditorCommandSpec != null && getFlags().flagIsSet(Flags.ALLOW_PANEL_EDITING)) { PanelEditorCommand command = new PanelEditorCommand(); command.setParameters(panelEditorCommandSpec); Object panelEditorSource = null; // verify that this command is configured to be in this pae if (!getFlags().flagIsSet(Flags.VALIDATE_PANEL_EDITOR_IN_PAGE) || verifyPanelEditorInPage(nc, command)) { try { command.handleCommand(writer, nc, false); } catch (CommandException e) { getLog().error("Command error in body", e); throw new ServletException(e); } return; } else { getLog().error("Request to execute a panel editor '" + command.getPanelEditorName() + "' that does not exist in page."); } } if (getFlags().flagIsSet(Flags.ALLOW_PAGE_CMD_PARAM)) { String commandSpec = request.getParameter(AbstractHttpServletCommand.PAGE_COMMAND_REQUEST_PARAM_NAME); if (commandSpec != null) { HttpServletCommand command = (HttpServletCommand) Commands.getInstance().getCommand(commandSpec); try { command.handleCommand(writer, nc, false); } catch (CommandException e) { getLog().error("Command error in body", e); throw new ServletException(e); } return; } } switch (getBodyType().getValueIndex()) { case NavigationPageBodyType.NONE: writer.write("Path '" + nc.getActivePathFindResults().getSearchedForPath() + "' is a " + this.getClass().getName() + " class but has no body."); break; case NavigationPageBodyType.OVERRIDE: writer.write("Path '" + nc.getActivePathFindResults().getSearchedForPath() + "' is a " + this.getClass().getName() + " class and is set as override class but does not override handlePageBody()."); break; case NavigationPageBodyType.CUSTOM_HANDLER: for (int i = 0; i < customHandlers.size(); i++) ((NavigationPageBodyHandler) customHandlers.get(i)).handleNavigationPageBody(this, writer, nc); break; case NavigationPageBodyType.COMMAND: ValueSource commandExpr = getCommandExpr(); if (commandExpr != null) { String commandText = commandExpr.getTextValue(nc); if (commandText != null) { try { HttpServletCommand httpCommand = (HttpServletCommand) Commands.getInstance() .getCommand(commandText); httpCommand.handleCommand(writer, nc, false); break; } catch (Exception e) { getLog().error("Command error in " + this.getClass().getName(), e); throw new ServletException(e); } } } // if we get to here, we don't have an expression or the expression returned null so see if we have static // command supplied try { ((HttpServletCommand) getCommand()).handleCommand(writer, nc, false); } catch (CommandException e) { getLog().error("Command error in body", e); throw new ServletException(e); } break; case NavigationPageBodyType.PANEL: getBodyPanel().render(writer, nc, nc.getActiveTheme(), HtmlPanel.RENDERFLAGS_DEFAULT); break; case NavigationPageBodyType.TEMPLATE: getBodyTemplate().process(writer, nc, createDefaultBodyTemplateVars(nc)); break; case NavigationPageBodyType.FORWARD: // this should never happen -- forwards should never get to this point but we'll add a sanity check writer.write("Path '" + nc.getActivePathFindResults().getSearchedForPath() + "' is a " + this.getClass().getName() + " class and the body type is set to FORWARD but forwarding should happen before any response is committed."); break; case NavigationPageBodyType.INCLUDE: { String includeUrl = getInclude().getTextValue(nc); RequestDispatcher rd = request.getRequestDispatcher(includeUrl); ServletResponse response = nc.getResponse(); if (writer != response.getWriter()) response = new AlternateOutputDestServletResponse(writer, response); request.setAttribute(REQATTRNAME_NAVIGATION_CONTEXT, nc); rd.include(request, response); request.removeAttribute(REQATTRNAME_NAVIGATION_CONTEXT); } break; default: writer.write("Path '" + nc.getActivePathFindResults().getSearchedForPath() + "' is a " + this.getClass().getName() + " but doesn't know how to handle body type " + getBodyType().getValueIndex() + "."); } }