Example usage for javax.servlet.http HttpServletResponse setHeader

List of usage examples for javax.servlet.http HttpServletResponse setHeader

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  3. javax
  4. javax.servlet.http.*
  5. HttpServletResponse
  6. 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:com.yunda.htmlsnap.web.api.HtmlSnapController.java

@RequestMapping(method = RequestMethod.GET)
public void snap(@RequestParam("htmlUrl") String htmlUrl, @RequestParam("imgType") String imgType,
        HttpServletRequest request, HttpServletResponse response) {
    logger.info("?:" + htmlUrl);
    //JavaHost.printAllVirtualDns();
    response.setContentType("image/" + imgType);
    response.setHeader("Content-Type", "image/" + imgType);
    boolean flag = false;
    ServletOutputStream sos = null;/*  ww  w.ja v  a 2s.c  om*/
    if (StringUtils.isNotBlank(htmlUrl)) {
        BrowserService browserService = null;
        try {
            browserService = BrowserFactory.getBrowerService();
            sos = response.getOutputStream();
            flag = browserService.generatePng(URLDecoder.decode(htmlUrl, "UTF-8"), sos, imgType);
        } catch (IOException e) {
            logger.error("??:" + e);
        } finally {
            BrowserFactory.recycleService(browserService);
        }
    }
    logger.info("?" + flag);
    if (!flag) {
        response.setStatus(HttpServletResponse.SC_INTERNAL_SERVER_ERROR);
    }
    if (null != sos) {
        try {
            sos.flush();
            sos.close();
        } catch (IOException e1) {
            logger.error("?", e1);
        }
    }
}

From source file:com.adito.extensions.actions.GetExtensionDescriptorAction.java

private void sendApplicationDescriptor(ExtensionDescriptor app, HttpServletRequest request,
        HttpServletResponse response, SessionInfo session, Properties properties)
        throws JDOMException, IOException, UndefinedParameterException, CoreException {
    response.setHeader("Content-type", "text/xml");
    byte[] xml = ExtensionParser.processAgentParameters(app, request, session, properties).getBytes();
    //      response.setContentLength(xml.length);
    response.getOutputStream().write(xml);
    response.getOutputStream().close();/*from w  ww . jav a 2  s  .  c o  m*/
}

From source file:de.highbyte_le.weberknecht.request.view.WebActionProcessor.java

protected void processRedirect(HttpServletResponse response, View view) {
    if (log.isDebugEnabled())
        log.debug("processRedirect() - initiate redirection to: " + view.getRedirection());

    response.setHeader("Location", view.getRedirection().toExternalForm());
    response.setStatus(303); //303 - "see other" (http://www.w3.org/Protocols/rfc2616/rfc2616-sec10.html)
}

From source file:FormLogin.java

public void doGet(HttpServletRequest req, HttpServletResponse resp)
        throws ServletException, java.io.IOException {
    resp.setContentType("text/html");
    java.io.PrintWriter out = resp.getWriter();
    resp.setHeader("Expires", "Tues, 01 Jan 1980 00:00:00 GMT");
    String uri = req.getRequestURI();

    HttpSession session = req.getSession();
    String user = (String) session.getAttribute(USER_KEY);

    if (user == null) {
        login(out, uri);/*from www  . j a  va 2s  .  com*/
        return;
    }
    out.println("<html>");
    out.println("<head>");
    out.println("<title>Welcome</title>");
    out.println("</head>");
    out.println("<body>");
    out.println("<center><h2>Welcome to our site!</h2>");
    out.println("</center><br><br>");
    out.println("</body>");
    out.println("</html>");
    out.flush();
}

From source file:org.saiku.adhoc.rest.StandaloneCdaResource.java

private void setResponseHeaders(final String mimeType, final String attachmentName) {
    // Make sure we have the correct mime type
    final HttpServletResponse response = anotherServlerResponse;
    if (response == null) {
        return;//from  w  ww . j  a v a 2 s . c  om
    }

    response.setHeader("Content-Type", mimeType);

    if (attachmentName != null) {
        response.setHeader("content-disposition", "attachment; filename=" + attachmentName);
    }

    // We can't cache this request
    response.setHeader("Cache-Control", "max-age=0, no-store");
}

From source file:com.megacasting_ppe.web.ServletPageError.java

/**
 * Processes requests for both HTTP <code>GET</code> and <code>POST</code>
 * methods./* w  w w. j a  va2 s  .  c o m*/
 *
 * @param request servlet request
 * @param response servlet response
 * @throws ServletException if a servlet-specific error occurs
 * @throws IOException if an I/O error occurs
 */
protected void processRequest(HttpServletRequest request, HttpServletResponse response)
        throws ServletException, IOException {
    response.setContentType("application/json");
    response.setHeader("Cache-Control", "no-cache");
    HttpSession session = request.getSession();

    JSONObject global = new JSONObject();

    if (session.getAttribute("Connecter") != null) {
        String connecterCandidatOk = (String) session.getAttribute("Connecter");
        if (connecterCandidatOk == "false") {

            global.put("candidatAutherreur",
                    "le nom d'utilisateur ou le mot de passe du candidat est incorrect");
            session.removeAttribute("Connecter");
        }
    }
    if (session.getAttribute("ConnecterDiffuseur") != null) {
        String connecterDiffuseurOk = (String) session.getAttribute("ConnecterDiffuseur");
        if (connecterDiffuseurOk == "false") {

            global.put("diffuseurAutherreur",
                    "le nom d'utilisateur ou le mot de passe du diffuseur est incorrect");
            session.removeAttribute("ConnecterDiffuseur");
        }
    }

    if (session.getAttribute("ErreurInscriptionCandidat") != null) {
        String ErreurInscription = (String) session.getAttribute("ErreurInscriptionCandidat");
        if (ErreurInscription == "true") {

            global.put("Inscriptionerreur",
                    "Un ou plusieurs champs saisies dans le formulaire d'inscription sont invalide");
            session.removeAttribute("ErreurInscriptionCandidat");
        }
    }

    try (PrintWriter out = response.getWriter()) {
        out.println(global.toString());
    }

}

From source file:com.albert.swagger.ContactController.java

@ApiOperation(value = "", notes = "", response = Contact.class, position = 2)
@RequestMapping(value = "/1.0/contact/add.do", method = RequestMethod.POST)
public void add(@RequestBody Contact contact, HttpServletResponse response) {
    //contactService.create(contact);
    String location = ServletUriComponentsBuilder.fromCurrentRequest().pathSegment("{id}").buildAndExpand("")
            .toUriString();//from   w  w  w  .  ja v a  2s .c o  m

    response.setHeader("Location", location);
}

From source file:com.struts2ext.json.JSONUtil.java

public static void writeJSONToResponse(SerializationParams serializationParams) throws IOException {
    StringBuilder stringBuilder = new StringBuilder();
    if (StringUtils.isNotBlank(serializationParams.getSerializedJSON()))
        stringBuilder.append(serializationParams.getSerializedJSON());

    if (StringUtils.isNotBlank(serializationParams.getWrapPrefix()))
        stringBuilder.insert(0, serializationParams.getWrapPrefix());
    else if (serializationParams.isWrapWithComments()) {
        stringBuilder.insert(0, "/* ");
        stringBuilder.append(" */");
    } else if (serializationParams.isPrefix())
        stringBuilder.insert(0, "{}&& ");

    if (StringUtils.isNotBlank(serializationParams.getWrapSuffix()))
        stringBuilder.append(serializationParams.getWrapSuffix());

    String json = stringBuilder.toString();

    if (LOG.isDebugEnabled()) {
        LOG.debug("[JSON]" + json);
    }/*from  ww w  .j  av  a2s .c  o  m*/

    HttpServletResponse response = serializationParams.getResponse();

    // status or error code
    if (serializationParams.getStatusCode() > 0)
        response.setStatus(serializationParams.getStatusCode());
    else if (serializationParams.getErrorCode() > 0)
        response.sendError(serializationParams.getErrorCode());

    // content type
    if (serializationParams.isSmd())
        response.setContentType("application/json-rpc;charset=" + serializationParams.getEncoding());
    else
        response.setContentType(
                serializationParams.getContentType() + ";charset=" + serializationParams.getEncoding());

    if (serializationParams.isNoCache()) {
        response.setHeader("Cache-Control", "no-cache");
        response.setHeader("Expires", "0");
        response.setHeader("Pragma", "No-cache");
    }

    if (serializationParams.isGzip()) {
        response.addHeader("Content-Encoding", "gzip");
        GZIPOutputStream out = null;
        InputStream in = null;
        try {
            out = new GZIPOutputStream(response.getOutputStream());
            in = new ByteArrayInputStream(json.getBytes(serializationParams.getEncoding()));
            byte[] buf = new byte[1024];
            int len;
            while ((len = in.read(buf)) > 0) {
                out.write(buf, 0, len);
            }
        } finally {
            if (in != null)
                in.close();
            if (out != null) {
                out.finish();
                out.close();
            }
        }

    } else {
        response.setContentLength(json.getBytes(serializationParams.getEncoding()).length);
        PrintWriter out = response.getWriter();
        out.print(json);
    }
}

From source file:org.openmrs.module.vcttrac.web.view.chart.AbstractChartView.java

/**
 * @see org.springframework.web.servlet.view.AbstractView
 *//*from  w w  w.  j  a v a 2 s .  co m*/
@Override
@SuppressWarnings("unchecked")
protected void renderMergedOutputModel(Map model, HttpServletRequest request, HttpServletResponse response)
        throws Exception {
    // Respond as a PNG image
    response.setContentType("image/png");

    // Disable caching
    response.setHeader("Pragma", "No-cache");
    response.setDateHeader("Expires", 0);
    response.setHeader("Cache-Control", "no-cache");

    int width = (request.getParameter("width") != null && request.getParameter("width").compareTo("") != 0)
            ? (Integer.valueOf(request.getParameter("width")))
            : 450;
    int height = (request.getParameter("height") != null && request.getParameter("height").compareTo("") != 0)
            ? (Integer.valueOf(request.getParameter("height")))
            : 350;

    JFreeChart chart = createChart(model, request);
    chart.setBackgroundPaint(Color.WHITE);
    chart.getPlot().setOutlineStroke(new BasicStroke(0));
    chart.getPlot().setOutlinePaint(getBackgroundColor());
    chart.getPlot().setBackgroundPaint(getBackgroundColor());

    chart.getPlot().setNoDataMessage(VCTTracUtil.getMessage("vcttrac.error.noDataAvailable", null));

    ChartUtilities.writeChartAsPNG(response.getOutputStream(), chart, width, height);
}

From source file:com.nagarro.core.v2.controller.BaseController.java

protected void setTotalCountHeader(final HttpServletResponse response, final PaginationWsDTO paginationDto) {
    if (paginationDto != null && paginationDto.getTotalResults() != null) {
        response.setHeader(HEADER_TOTAL_COUNT, String.valueOf(paginationDto.getTotalResults()));
    }/*ww w  . ja v  a 2  s. c o  m*/
}