Example usage for javax.servlet.http HttpServletResponse setHeader

Introduction

In this page you can find the example usage for javax.servlet.http HttpServletResponse setHeader.

Prototype

public void setHeader(String name, String value);

Source Link

Document

Sets a response header with the given name and value.

Usage

From source file:technology.tikal.ventas.service.catalogo.CatalogoService.java

@RequestMapping(method = RequestMethod.POST)
@ResponseStatus(HttpStatus.CREATED)/*from   w  ww .  j a  v a  2s. c om*/
public void crearCatalogoProducto(@Valid @RequestBody final Catalogo request, final BindingResult result,
        final HttpServletRequest httpRequest, final HttpServletResponse httpResponse) {
    if (result.hasErrors()) {
        throw new NotValidException(result);
    }
    Catalogo nuevo = catalogoController.crear(request);
    httpResponse.setHeader("Location", httpRequest.getRequestURI() + "/" + nuevo.getId());
}

From source file:org.javarebel.chart.ChartComponentListener.java

@Override
public void beforePhase(PhaseEvent arg0) {
    FacesContext context = arg0.getFacesContext();
    ExternalContext eCtx = context.getExternalContext();

    HttpServletRequest req = (HttpServletRequest) eCtx.getRequest();
    String data_KEY = req.getParameter("data_KEY");
    logger.info("Chart Data Key is " + data_KEY);

    HttpSession session = req.getSession();
    if (data_KEY != null) {
        Object chartData = session.getAttribute(data_KEY);

        if (chartData != null) {

            ChartData data = ChartData.class.cast(chartData);
            logger.info("Chart Type received is " + data.getType());
            IChartGenerator chartGen = ChartGeneratorFactory.getChartGenerator(data.getType());
            logger.info("ChartGenerator in use -> " + chartGen.getClass().getName());
            JFreeChart chart = chartGen.generateChart(data);

            BufferedImage img = chart.createBufferedImage(Integer.valueOf(data.getWidth()),
                    Integer.valueOf(data.getHeight()));
            try {
                HttpServletResponse response = (HttpServletResponse) eCtx.getResponse();
                response.setContentType("image/png");
                response.setHeader("Cache-Control", "no-store");
                response.setHeader("Pragma", "no-cache");
                response.setDateHeader("Expires", 0L);

                ServletOutputStream output = response.getOutputStream();
                ImageIO.write(img, "png", output);

                session.removeAttribute(data_KEY);

                context.responseComplete();
            } catch (Exception e) {
                logger.log(Level.SEVERE, e.getMessage(), e);
                throw new IllegalStateException(e);
            }/*from ww w.  j  ava  2 s.c  o  m*/
        }
    }
}

From source file:org.fenixedu.ulisboa.integration.sas.ui.spring.controller.manageScholarshipReportRequests.ScholarshipReportRequestController.java

@RequestMapping(value = "/downloadFile/{oid}", method = RequestMethod.GET)
public void getFile(@PathVariable("oid") ScholarshipReportFile file, HttpServletResponse response) {
    try {/*from  www. j ava 2 s .  c om*/
        response.setContentType(file.getContentType());
        response.setHeader("Content-disposition", "attachment; filename=" + file.getFilename());
        InputStream is = new ByteArrayInputStream(file.getContent());
        IOUtils.copy(is, response.getOutputStream());
    } catch (IOException ex) {
        throw new RuntimeException("IOError writing file to output stream");
    }

}

From source file:ru.org.linux.user.UserEventApiController.java

@ResponseBody
@RequestMapping(value = "/notifications-count", method = RequestMethod.GET)
public int getEventsCount(HttpServletRequest request, HttpServletResponse response) throws Exception {
    Template tmpl = Template.getTemplate(request);
    if (!tmpl.isSessionAuthorized()) {
        throw new AccessViolationException("not authorized");
    }// ww  w  . ja v a 2 s .c o  m

    response.setHeader("Cache-control", "no-cache");

    return tmpl.getCurrentUser().getUnreadEvents();
}

From source file:technology.tikal.ventas.service.pedido.PedidoRaizService.java

@RequestMapping(method = RequestMethod.POST)
@ResponseStatus(HttpStatus.CREATED)//w w w  .  ja  va2s .c  o m
public void crear(@Valid @RequestBody final PedidoRaiz request, final BindingResult result,
        final HttpServletRequest httpRequest, final HttpServletResponse httpResponse) {
    if (result.hasErrors()) {
        throw new NotValidException(result);
    }
    PedidoRaiz nuevo = pedidoRaizController.crear(request);
    httpResponse.setHeader("Location", httpRequest.getRequestURI() + "/" + nuevo.getId());
}

From source file:webcomicreader.webapp.controller.BackupRestoreController.java

/**
 * Downloads the entire contents of the database in a json format.
 *//*from ww w. j  ava 2s  . c  o  m*/
@RequestMapping(value = "/dumpdb", method = RequestMethod.GET)
public void dumpDatabase(HttpServletResponse response) throws IOException {
    String dateStr = new SimpleDateFormat("yyyy-MM-dd'T'HH:mm").format(new Date());
    String dumpdbStr = storage.dumpdb();
    response.setCharacterEncoding("UTF-8");
    response.setHeader("Content-Disposition", "attachment; filename=dumpdb_" + dateStr + ".json");
    response.setContentType("application/json");
    response.getWriter().write(dumpdbStr);
}

From source file:com.ddubyat.develop.jhawtcode.web.InternalResourceController.java

/**
 * Controller method to deliver application JS
 *
 * @param response The http response object from a spring controller
 * @param request The http request object from a spring controller
 * @throws IOException if the js file was inaccessible
 */// w w w .ja v  a 2s  .  c  om
@RequestMapping(value = "/jhawtcode/jhc.js", method = { RequestMethod.GET })
public void requestJS(HttpServletRequest request, HttpServletResponse response) throws IOException {
    log.debug("Creating application JS");

    response.setHeader("Server", "jhawtconsole");
    response.setContentType("application/javascript");
    response.setHeader("Cache-Control", "no-cache,no-store,must-revalidate");
    response.setHeader("Pragma", "no-cache");
    response.setDateHeader("Expires", -1);

    if (!propertyUtil.canHawtTheCode()) {
        log.trace("Not delivering CSS, application not enabled");
    }

    setTraceProps(request);

    String javascript = resourceUtil.readLocalResource(new String[] { "classpath:/js/jhawtcode.js" });
    javascript = javascript.replace("|systemUUID|", systemUUID);
    javascript = javascript.replace("|username|", username);
    javascript = javascript.replace("|license|", license);
    javascript = javascript.replace("|lCode|", PropertyUtil.license);
    javascript = javascript.replace("|appname|", appname);

    log.debug("Attempting to return JS");
    response.getWriter().write(javascript);
}

From source file:technology.tikal.ventas.service.envio.EnvioService.java

@RequestMapping(method = RequestMethod.POST)
@ResponseStatus(HttpStatus.CREATED)//www  .  ja  va  2s.com
public void crear(@PathVariable final Long pedidoId, @Valid @RequestBody final Envio request,
        final BindingResult result, final HttpServletRequest httpRequest,
        final HttpServletResponse httpResponse) {
    if (result.hasErrors()) {
        throw new NotValidException(result);
    }
    Envio nuevo = envioController.crear(pedidoId, request);
    httpResponse.setHeader("Location", httpRequest.getRequestURI() + "/" + nuevo.getId());
}

From source file:com.healthcit.analytics.servlet.DataExportServlet.java

@Override
protected void doGet(HttpServletRequest req, HttpServletResponse resp) throws ServletException, IOException {
    resp.setContentType(Constants.PLAIN_TEXT);
    resp.addHeader(Constants.PRAGMA_HEADER, Constants.NO_CACHE);
    resp.setHeader(Constants.CACHE_CONTROL_HEADER, Constants.NO_CACHE);
    String token = req.getParameter("token");
    PrintWriter writer = resp.getWriter();
    try {/*  ww  w .  j  a v  a 2  s.c o  m*/
        if (token != null) {
            DownloadStatus status = TOKENS_MAP.get(token);
            if (status != null) {
                writer.print(status.name());
                if (DownloadStatus.FINISHED.equals(status)) {
                    TOKENS_MAP.remove(token);
                }
            } else {
                writer.print(DownloadStatus.ERROR.name());
            }
        } else {
            writer.print(DownloadStatus.ERROR.name());
        }
    } finally {
        writer.close();
    }
}