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:ru.langboost.controllers.file.FileController.java

@RequestMapping(value = "/file/{id}", method = RequestMethod.GET)
public void get(HttpServletRequest request, HttpServletResponse response, @PathVariable Long id) {
    File file = fileService.get(id);
    try {//from w  w w.j  av a 2  s  .  c  o m
        if (file != null) {
            response.setContentType(file.getContentType());
            response.setHeader("Content-disposition", "attachment; filename=\"" + file.getFileName() + "\"");
            response.setHeader("Accept-Ranges", "bytes");
            response.setHeader("Content-Length", String.valueOf(file.getSource().length));
            FileCopyUtils.copy(file.getSource(), response.getOutputStream());
        }
    } catch (IOException e) {
        e.printStackTrace();
    }
}

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From source file:technology.tikal.ventas.service.almacen.SalidaService.java

@RequestMapping(method = RequestMethod.POST)
@ResponseStatus(HttpStatus.CREATED)//from  w ww. j a v  a2s .  c o  m
public void crear(@PathVariable final Long pedidoId, @Valid @RequestBody final RegistroAlmacenTransient request,
        final BindingResult result, final HttpServletRequest httpRequest,
        final HttpServletResponse httpResponse) {
    if (result.hasErrors()) {
        throw new NotValidException(result);
    }
    Salida nuevo = salidaController.crear(pedidoId, request);
    httpResponse.setHeader("Location", httpRequest.getRequestURI() + "/" + nuevo.getId());
}

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From source file:coral.reef.web.ReefToCoralController.java

@RequestMapping(value = "/{exp}/**")
public void dispatchToExpHandler(@PathVariable("exp") String exp, HttpSession httpSession,
        HttpServletResponse httpResponse, HttpServletRequest httpRequest) throws IOException {

    httpResponse.setHeader("Cache-Control", "no-cache, no-store, max-age=0, must-revalidate");
    httpResponse.setHeader("Pragms", "no-cache");
    httpResponse.setHeader("Expires", "0");

    Integer id = (Integer) httpSession.getAttribute(REEF_ID);
    String sessionExp = (String) httpSession.getAttribute(REEF_EXP);

    String path = ((String) httpRequest.getAttribute(HandlerMapping.PATH_WITHIN_HANDLER_MAPPING_ATTRIBUTE))
            .substring(exp.length() + 2);

    ReefHandler handler = service.handler(exp);

    if (path.startsWith(handler.startMarker())) {

        if (sessionExp != null || id != null) {
            // TODO remove old client (?)
        }/*from  w  ww.  j ava2  s  .  c  o m*/

        String query = httpRequest.getQueryString();
        query = (query == null) ? "" : query;
        id = handler.addClient(null);
        String result = handler.process(id, path, query);
        result = service.replaceHost(exp, result);
        httpSession.setAttribute(REEF_ID, id);
        httpSession.setAttribute(REEF_EXP, exp);
        httpResponse.setContentType("text/html");
        httpResponse.getWriter().println(result);

    } else if (path.startsWith(handler.refreshMarker())) {

        if (sessionExp != null || id != null) {
            // TODO remove old client (?)
        }

        String query = httpRequest.getQueryString();
        query = (query == null) ? "" : query;
        id = Integer.parseInt(query.replaceAll("[^\\d]", ""));
        id = handler.addClient(id);
        String result = handler.process(id, "", "?refreshid=" + id);
        result = service.replaceHost(exp, result);
        httpSession.setAttribute(REEF_ID, id);
        httpSession.setAttribute(REEF_EXP, exp);
        httpResponse.setContentType("text/html");
        httpResponse.getWriter().println(result);

    } else if (path.startsWith(handler.processMarker()) && sessionExp != null && sessionExp.equals(exp)) {

        /*
         * PROCESS
         */

        String query = httpRequest.getQueryString();
        query = (query == null) ? "" : query;
        String result = handler.process(id, path, query);
        result = service.replaceHost(exp, result);
        httpResponse.setContentType("text/html");
        httpResponse.getWriter().println(result);

    } else if (path.startsWith(handler.serverMarker())) {

        /*
         * SERVER
         */

        String result = handler.server(path.substring(handler.serverMarker().length() + 1),
                httpRequest.getParameterMap());
        result = service.replaceHost(exp, result);
        httpResponse.setContentType("text/html");
        httpResponse.getWriter().println(result);

    } else if (handler.getResMap().containsKey(path)) {

        /*
         * RESOURCE
         */

        File f = handler.getResMap().get(path);
        FileSystemResource fr = new FileSystemResource(f);
        String type = servletContext.getMimeType(path);
        httpResponse.setContentType(type);

        IOUtils.copy(fr.getInputStream(), httpResponse.getOutputStream());
    } else {
        // no match = no response => should propagate to next controller
        System.out.println(path + " - " + handler.getResMap());
    }

}

---

From source file:org.syncope.core.rest.controller.ConfigurationController.java

@PreAuthorize("hasRole('CONFIGURATION_READ')")
@RequestMapping(method = RequestMethod.GET, value = "/dbexport")
@Transactional(readOnly = true)/*  w ww .  j  a  v a2 s  .co m*/
public void dbExport(final HttpServletResponse response) {
    response.setContentType(MediaType.TEXT_XML_VALUE);
    response.setHeader("Content-Disposition", "attachment; filename=content.xml");

    try {
        importExport.export(response.getOutputStream());

        LOG.debug("Default content successfully exported");
    } catch (Throwable t) {
        LOG.error("While exporting content", t);
    }
}

---

From source file:technology.tikal.ventas.service.almacen.EntradaService.java

@RequestMapping(method = RequestMethod.POST)
@ResponseStatus(HttpStatus.CREATED)/* w  ww.  ja  v  a  2  s .  c  o  m*/
public void crear(@PathVariable final Long pedidoId, @Valid @RequestBody final RegistroAlmacenTransient request,
        final BindingResult result, final HttpServletRequest httpRequest,
        final HttpServletResponse httpResponse) {
    if (result.hasErrors()) {
        throw new NotValidException(result);
    }
    Entrada nuevo = entradaController.crear(pedidoId, request);
    httpResponse.setHeader("Location", httpRequest.getRequestURI() + "/" + nuevo.getId());
}

---

From source file:cn.shengyuan.yun.admin.system.controller.CommonController.java

@RequestMapping(value = "/captchaImage", method = RequestMethod.GET)
public String captchaImage(HttpServletRequest request, HttpServletResponse response) throws Exception {

    response.setDateHeader("Expires", 0);
    // Set standard HTTP/1.1 no-cache headers.
    response.setHeader("Cache-Control", "no-store, no-cache, must-revalidate");
    // Set IE extended HTTP/1.1 no-cache headers (use addHeader).
    response.addHeader("Cache-Control", "post-check=0, pre-check=0");
    // Set standard HTTP/1.0 no-cache header.
    response.setHeader("Pragma", "no-cache");
    // return a jpeg
    response.setContentType("image/jpeg");
    // create the text for the image
    String capText = captchaProducer.createText();
    // store the text in the session
    request.getSession().setAttribute(Constants.KAPTCHA_SESSION_KEY, capText);
    // create the image with the text
    BufferedImage bi = captchaProducer.createImage(capText);
    ServletOutputStream out = response.getOutputStream();
    // write the data out
    ImageIO.write(bi, "jpg", out);
    try {/*from  w w w  .j a v a 2s  . c  om*/
        out.flush();
    } finally {
        out.close();
    }
    return null;

}

---

From source file:MyPack.AjaxFriendList.java

/**
 * Handles the HTTP <code>GET</code> method.
 *
 * @param request servlet request//from   w  w w  . j  av a2  s.  c  o  m
 * @param response servlet response
 * @throws ServletException if a servlet-specific error occurs
 * @throws IOException if an I/O error occurs
 */
@Override
protected void doGet(HttpServletRequest request, HttpServletResponse response)
        throws ServletException, IOException {
    processRequest(request, response);

    response.setContentType("text/html;charset=UTF-8");
    response.setHeader("Cache-control", "no-cache, no-store");
    response.setHeader("Pragma", "no-cache");
    response.setHeader("Expires", "-1");
    HttpSession s = request.getSession(true);
    try (PrintWriter out = response.getWriter()) {
        //getting AJAX parameter
        String query = request.getParameter("term");
        //Creating JSONArray Object
        JSONArray arrayObj = new JSONArray();
        //Changing Case of AJAX parameter
        query = query.toLowerCase();

        try {
            Connection con = ConnectionClass.getConnected();
            PreparedStatement p = con
                    .prepareStatement("select name from friend where name LIKE '" + query + "%'");
            ResultSet rs = p.executeQuery();
            while (rs.next() == true) {
                arrayObj.put(rs.getString(1));
            }
            out.println(arrayObj.toString());
            out.close();
        } catch (SQLException ea) {
        }
    }
}

---

From source file:cltestgrid.GetBlob2.java

public void doGet(HttpServletRequest req, HttpServletResponse resp) throws IOException, ServletException {
    String userAgent = req.getHeader("User-Agent");
    if (userAgent != null && userAgent.contains("Baiduspider")) {
        resp.setStatus(SC_MOVED_PERMANENTLY);
        resp.setHeader("Location", "http://www.baidu.com/search/spider.html");
        resp.setHeader("X-READ-ME",
                "Please honor robots.txt and don't waste our resources. http://cl-test-grid.appspot.com/robots.txt");
        return;// www  .j  ava 2s  .  c om
    }

    final String key = req.getParameter("key");
    GcsFilename filename = new GcsFilename("cl-test-grid-logs", key);
    GcsInputChannel readChannel = null;
    InputStream inputStream = null;
    try {
        final boolean lock = false;
        //readChannel = FileServiceFactory.getFileService().openReadChannel(file, lock);
        readChannel = GcsServiceFactory.createGcsService().openReadChannel(filename, 0);
        inputStream = Channels.newInputStream(readChannel);
        resp.setContentType("text/plain");
        // The log files are gzipped, but the Cloud Storage Client Library ungzips them automatically.
        // After we return this data, GAE gzips our output in case client accepts 'gzip' contect encoding.
        IOUtils.copy(new BufferedInputStream(inputStream, 100 * 1024), resp.getOutputStream());
        resp.getOutputStream().flush();
    } finally {
        IOUtils.closeQuietly(inputStream);
        IOUtils.closeQuietly(readChannel);
    }
}

---

From source file:com.jaspersoft.jasperserver.war.CSVServlet.java

public void service(HttpServletRequest req, HttpServletResponse resp) throws ServletException {
    try {/*  w w  w .ja  v  a2 s .  c om*/
        resp.setContentType(MIME_TYPE);
        resp.setHeader("Pragma", "");
        resp.setHeader("Cache-Control", "no-store");
        //resp.setContentType(HTML_TYPE); // for testing
        PrintWriter out = resp.getWriter();
        printQuery(getDrillThroughSQL(req), getConnection(req), out);
    } catch (Exception e) {
        e.printStackTrace();
        log.error(e);
    }
}

---

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