Example usage for javax.servlet ServletOutputStream print

Introduction

In this page you can find the example usage for javax.servlet ServletOutputStream print.

Prototype

public void print(double d) throws IOException 

Source Link

Document

Writes a double value to the client, with no carriage return-line feed (CRLF) at the end.

Usage

From source file:com.wisemapping.rest.view.ImportTransformationView.java

@Override
protected void renderMergedOutputModel(@NotNull Map<String, Object> viewMap,
        @NotNull HttpServletRequest request, @NotNull final HttpServletResponse response) throws Exception {
    final String content = (String) viewMap.get("content");
    final String filename = (String) viewMap.get("filename");

    // Convert to map ...
    final InputStream is = new ByteArrayInputStream(content.getBytes("UTF-8"));
    final Mindmap mindMap = importer.importMap("filename", "filename", is);

    // Set file name...:http://stackoverflow.com/questions/5325322/java-servlet-download-filename-special-characters/13359949#13359949
    final String fileName = (filename != null ? filename : "map") + "." + "xwise";
    setContentDisposition(request, response, fileName);

    // Write the conversion content ...
    final ServletOutputStream outputStream = response.getOutputStream();
    outputStream.print(mindMap.getXmlStr());
}

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From source file:io.logspace.hq.rest.event.EventStreamResource.java

private Object postEventStream(Request req, Response res) throws IOException {
    EventFilter eventFilter = this.readFilter(req.body());
    int offset = getQueryParam(req, PARAMETER_OFFSET, DEFAULT_STREAM_OFFSET, MIN_OFFSET, MAX_OFFSET);
    int count = getQueryParam(req, PARAMETER_COUNT, DEFAULT_COUNT, MIN_COUNT, MAX_STREAM_COUNT);

    res.raw().setContentType("application/json;charset=UTF-8");

    ServletOutputStream outputStream = res.raw().getOutputStream();
    outputStream.print('[');
    this.eventStreamService.stream(eventFilter, count, offset, new JsonEventStreamer(outputStream));
    outputStream.print(']');
    outputStream.close();//from  w w w  . j av a 2  s . c o  m

    return "";
}

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From source file:io.logspace.hq.rest.EventStreamResource.java

private Object postEventStream(Request req, Response res) throws IOException {
    EventFilter eventFilter = this.readFilter(req.body());
    int offset = getQueryParam(req, PARAMETER_OFFSET, DEFAULT_STREAM_OFFSET, MIN_OFFSET, MAX_OFFSET);
    int count = getQueryParam(req, PARAMETER_COUNT, DEFAULT_COUNT, MIN_COUNT, MAX_STREAM_COUNT);

    res.raw().setContentType("application/json;charset=UTF-8");

    ServletOutputStream outputStream = res.raw().getOutputStream();
    outputStream.print('[');
    this.eventService.stream(eventFilter, count, offset, new JsonEventStreamer(outputStream));
    outputStream.print(']');
    outputStream.close();/*from   w ww.  j av  a  2  s . c  o  m*/

    return "";
}

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From source file:com.jsquant.servlet.YahooFinanceProxy.java

protected void doGet(HttpServletRequest request, HttpServletResponse response)
        throws ServletException, IOException {
    /* http://ichart.finance.yahoo.com/table.csv?a=00&c=2005&b=01&e=03&d=05&g=d&f=2008&ignore=.csv&s=GOOG
    Date,Open,High,Low,Close,Volume,Adj Close
    2008-06-03,576.50,580.50,560.61,567.30,4305300,567.30
    2008-06-02,582.50,583.89,571.27,575.00,3674200,575.00
    *//*from www .  j  a  v  a  2  s  .co  m*/
    int fromMM = Integer.valueOf(request.getParameter("a")); // 00 == January
    int fromDD = Integer.valueOf(request.getParameter("b"));
    int fromYYYY = Integer.valueOf(request.getParameter("c"));
    int toMM = Integer.valueOf(request.getParameter("d"));
    int toDD = Integer.valueOf(request.getParameter("e"));
    int toYYYY = Integer.valueOf(request.getParameter("f"));
    String resolution = request.getParameter("g").substring(0, 1); // == "d"ay "w"eek "m"onth "y"ear
    ValidationUtils.validateResolution(resolution);
    String symbol = request.getParameter("s");
    ValidationUtils.validateSymbol(symbol);
    String queryString = String.format("a=%02d&b=%02d&c=%d&d=%02d&e=%02d&f=%d&g=%s&s=%s&ignore=.csv", fromMM,
            fromDD, fromYYYY, toMM, toDD, toYYYY,
            URLEncoder.encode(resolution, JsquantContextListener.YAHOO_FINANCE_URL_ENCODING),
            URLEncoder.encode(symbol, JsquantContextListener.YAHOO_FINANCE_URL_ENCODING));
    String cacheKey = String.format("%02d%02d%d-%02d%02d%d-%s-%s-%tF.csv.gz", fromMM, fromDD, fromYYYY, toMM,
            toDD, toYYYY, URLEncoder.encode(resolution, JsquantContextListener.YAHOO_FINANCE_URL_ENCODING),
            URLEncoder.encode(symbol, JsquantContextListener.YAHOO_FINANCE_URL_ENCODING), new Date()); // include server date to limit to 1 day, for case where future dates might return less data, but fill cache

    FileCache fileCache = JsquantContextListener.getFileCache(request);
    String responseBody = fileCache.get(cacheKey);
    if (responseBody == null) {
        HttpGet httpget = new HttpGet("http://ichart.finance.yahoo.com/table.csv?" + queryString);
        ResponseHandler<String> responseHandler = new BasicResponseHandler();
        log.debug("requesting uri=" + httpget.getURI());
        responseBody = JsquantContextListener.getHttpClient(request).execute(httpget, responseHandler);
        //httpget.setReleaseTrigger(releaseTrigger); // no need to close?
        fileCache.put(cacheKey, responseBody);
    }
    ServletOutputStream out = response.getOutputStream();
    out.print(responseBody);
}

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From source file:fedora.server.security.servletfilters.FilterRestApiFlash.java

/**
 * Perform flash client response filtering
 *//*from   www.j  a v a2s  .  com*/
public void doFilter(ServletRequest request, ServletResponse response, FilterChain filterChain)
        throws IOException, ServletException {
    if (log.isDebugEnabled()) {
        log.debug("Entering FilterRestApiFlash.doThisSubclass()");
    }

    HttpServletRequest httpRequest = (HttpServletRequest) request;
    HttpServletResponse httpResponse = (HttpServletResponse) response;
    String queryString = httpRequest.getQueryString();
    if (queryString != null && queryString.contains("flash=true")) {
        StatusHttpServletResponseWrapper sHttpResponse = new StatusHttpServletResponseWrapper(httpResponse);

        filterChain.doFilter(request, sHttpResponse);

        if (sHttpResponse.status != sHttpResponse.realStatus) {
            // Append the error indicator with real status
            try {
                ServletOutputStream out = sHttpResponse.getOutputStream();
                out.print("::ERROR(" + sHttpResponse.realStatus + ")");
            } catch (IllegalStateException ise) {
                PrintWriter out = sHttpResponse.getWriter();
                out.print("::ERROR(" + sHttpResponse.realStatus + ")");
            }
        }
    } else {
        filterChain.doFilter(request, response);
    }
}

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From source file:org.apache.jena.fuseki.mgt.ActionDataset.java

@Override
protected void doPost(HttpServletRequest request, HttpServletResponse response) throws IOException {
    //        request.getRemoteUser() ;
    //        request.getUserPrincipal() ;

    String dataset = FusekiLib.safeParameter(request, "dataset");
    HttpSession session = request.getSession(true);
    session.setAttribute("dataset", dataset);
    session.setMaxInactiveInterval(15 * 60); // 10 mins

    boolean known = DatasetRegistry.get().isRegistered(dataset);
    if (!known) {
        response.sendError(HttpSC.BAD_REQUEST_400, "No such dataset: " + dataset);
        return;/*from  www .  j  a v a  2 s. co m*/
    }

    if (true) {
        // Redirect to GET page.
        response.setHeader(HttpNames.hLocation, PageNames.pageAfterLogin);
        response.setStatus(HttpSC.SEE_OTHER_303);
    } else {
        // Welcome style - but HTML inline :-(
        response.setContentType("text/html");
        response.setStatus(HttpSC.OK_200);
        ServletOutputStream out = response.getOutputStream();
        out.print("<p>" + dataset + "(" + known + ")</p>");

        for (String name : DatasetRegistry.get().keys()) {
            out.print("<li>");
            out.print(name);
            out.println("</li>");
        }
        out.println("</ul>");
        out.println("<p><a href=\"info\">Next</a></p>");
    }

    //        Cookie cookie = new Cookie("org.apache.jena.fuseki.session", dataset) ;
    //        // 24 hours.
    //        cookie.setMaxAge(24*60*60) ;

}

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From source file:org.loklak.api.admin.CrawlerServlet.java

@Override
protected void doGet(HttpServletRequest request, HttpServletResponse response)
        throws ServletException, IOException {
    Query post = RemoteAccess.evaluate(request);

    boolean localhost = post.isLocalhostAccess();
    String callback = post.get("callback", "");
    boolean jsonp = callback != null && callback.length() > 0;

    String[] incubation = post.get("start", new String[0], ",");
    int depth = Math.min(localhost ? 8 : 1, post.get("depth", 0));
    boolean hashtags = post.get("hashtags", true);
    boolean users = post.get("users", true);

    for (String query : incubation)
        Crawler.stack(query, depth, hashtags, users, true);

    post.setResponse(response, "application/javascript");

    // generate json
    JSONObject json = new JSONObject(true);
    if (incubation == null || incubation.length == 0)
        json.put("_hint",
                "start a crawl: start=<terms, comma-separated>, depth=<crawl depth> (dflt: 0), hashtags=<true|false> (dflt: true), users=<true|false> (dflt: true)");
    if (!localhost)
        json.put("_hint", "you are connecting from a non-localhost client " + post.getClientHost()
                + " , depth is limited to 1");
    JSONObject index_sizes = new JSONObject(true);
    json.put("index_sizes", index_sizes);
    index_sizes.put("messages", DAO.countLocalMessages(-1));
    index_sizes.put("users", DAO.countLocalUsers());
    json.put("crawler_status", Crawler.toJSON());

    // write json
    ServletOutputStream sos = response.getOutputStream();
    if (jsonp)/*w ww.  ja  v a  2  s  .  co m*/
        sos.print(callback + "(");
    sos.print(json.toString(2));
    if (jsonp)
        sos.println(");");
    sos.println();
    post.finalize();
}

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From source file:org.itracker.web.actions.admin.language.ExportLanguageAction.java

public ActionForward execute(ActionMapping mapping, ActionForm form, HttpServletRequest request,
        HttpServletResponse response) throws ServletException, IOException {
    ActionMessages errors = new ActionMessages();

    if (!LoginUtilities.hasPermission(UserUtilities.PERMISSION_USER_ADMIN, request, response)) {
        return mapping.findForward("unauthorized");
    }// w  w w  .  ja v  a2s .  com

    try {
        ConfigurationService configurationService = ServletContextUtils.getItrackerServices()
                .getConfigurationService();

        String locale = (String) PropertyUtils.getSimpleProperty(form, "locale");
        if (locale != null && !locale.equals("")) {
            StringBuffer output = new StringBuffer(
                    "# ITracker language properties file for locale " + locale + "\n\n");

            List<NameValuePair> items = configurationService.getDefinedKeysAsArray(locale);
            for (int i = 0; i < items.size(); i++) {
                if (items.get(i).getName() != null && items.get(i).getValue() != null) {
                    output.append(
                            ITrackerResources.escapeUnicodeString(items.get(i).getName(), false) + "="
                                    + ITrackerResources.escapeUnicodeString(
                                            HTMLUtilities.escapeNewlines(items.get(i).getValue()), false)
                                    + "\n");
                }
            }
            response.setHeader("Content-Disposition", "attachment; filename=\"ITracker"
                    + (locale.equals(ITrackerResources.BASE_LOCALE) ? "" : "_" + locale) + ".properties\"");
            response.setHeader("Content-Type", "application/x-itracker-language-export; charset=UTF-8");
            ServletOutputStream out = response.getOutputStream();
            out.print(output.toString());
            out.flush();
            return null;
        }
        errors.add(ActionMessages.GLOBAL_MESSAGE, new ActionMessage("itracker.web.error.invalidlocale"));
    } catch (RuntimeException e) {
        log.error("Exception while exporting language.", e);
        errors.add(ActionMessages.GLOBAL_MESSAGE, new ActionMessage("itracker.web.error.system"));
    } catch (IllegalAccessException e) {
        log.error("Exception while exporting language.", e);
        errors.add(ActionMessages.GLOBAL_MESSAGE, new ActionMessage("itracker.web.error.system"));
    } catch (InvocationTargetException e) {
        log.error("Exception while exporting language.", e);
        errors.add(ActionMessages.GLOBAL_MESSAGE, new ActionMessage("itracker.web.error.system"));
    } catch (NoSuchMethodException e) {
        log.error("Exception while exporting language.", e);
        errors.add(ActionMessages.GLOBAL_MESSAGE, new ActionMessage("itracker.web.error.system"));
    }

    if (!errors.isEmpty()) {
        saveErrors(request, errors);
    }

    return mapping.findForward("error");
}

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From source file:fi.jyu.student.jatahama.onlineinquirytool.server.LoadSaveServlet.java

@Override
public final void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException {
    try {// w  w  w. j  a  v  a 2 s.  c o m
        // Always server same page. Used to check if Servlet exists.
        response.setContentType("text/html");
        response.setCharacterEncoding("utf-8");
        response.setHeader("Cache-Control", "no-cache");
        response.setHeader(Utils.httpHeaderNameHello, "Hello!");
        //         response.setStatus(307);
        //         response.setHeader("Location", "../");
        ServletOutputStream out = response.getOutputStream();
        out.print("<html><head><META HTTP-EQUIV=REFRESH CONTENT=\"0; URL=../\"><!-- "
                + Utils.httpHeaderNameHello + ": Hello! --></head><body><a href=\"../\">App</a></body></html>");
        out.flush();
    } catch (Exception ex) {
        throw new ServletException(ex);
    }
}

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From source file:ar.com.zauber.commons.web.filter.JSONPRequestFilter.java

/**
 * @see javax.servlet.Filter#doFilter(javax.servlet.ServletRequest,
 *      javax.servlet.ServletResponse, javax.servlet.FilterChain)
 *//*from w  ww.j ava 2s . c o  m*/
public final void doFilter(final ServletRequest request, final ServletResponse response,
        final FilterChain chain) throws IOException, ServletException {
    if (!(request instanceof HttpServletRequest)) {
        throw new ServletException("This filter can " + " only process HttpServletRequest requests");
    }

    final HttpServletRequest httpRequest = (HttpServletRequest) request;
    final String callback = httpRequest.getParameter(callbackParameterName);

    if (StringUtils.isNotBlank(callback) && acceptsJSONP(httpRequest)) {
        ServletOutputStream out = response.getOutputStream();
        out.print(callback + "(");
        chain.doFilter(request, response);
        out.print(");");
        response.setContentType(responseContentType);
    } else {
        chain.doFilter(request, response);
    }
}

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