Example usage for javax.servlet.http HttpServletResponse addHeader

Introduction

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

Prototype

public void addHeader(String name, String value);

Source Link

Document

Adds a response header with the given name and value.

Usage

From source file:uk.ac.ebi.fgpt.lode.servlet.CorsFilter.java

@Override
protected void doFilterInternal(HttpServletRequest request, HttpServletResponse response,
        FilterChain filterChain) throws ServletException, IOException {
    //        if (request.getHeader("Access-Control-Request-Method") != null && "OPTIONS".equals(request.getMethod())) {
    // CORS "pre-flight" request
    response.addHeader("Access-Control-Allow-Origin", "*");
    response.addHeader("Access-Control-Allow-Methods", "GET, POST");
    response.addHeader("Access-Control-Allow-Headers", "Content-Type");
    response.addHeader("Access-Control-Max-Age", "1");// 30 min
    //         }/* w  ww .  j a v  a  2 s .co m*/
    filterChain.doFilter(request, response);
}

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From source file:de.appsolve.padelcampus.spring.RedirectInterceptor.java

@Override
public final void postHandle(HttpServletRequest request, HttpServletResponse response, Object handler,
        ModelAndView modelAndView) throws SystemException {
    String redirectHeader = (String) request.getSession().getAttribute(REDIRECT_HEADER);
    if (!StringUtils.isEmpty(redirectHeader)) {
        response.addHeader(REDIRECT_HEADER, redirectHeader);
        request.getSession().removeAttribute(REDIRECT_HEADER);
    } else if (modelAndView != null) {
        String viewName = null;//from  w  ww  . j  a  va 2  s .co  m
        if (modelAndView.getViewName() != null && modelAndView.getViewName().startsWith(REDIRECT_PREFIX)) {
            viewName = modelAndView.getViewName().substring(REDIRECT_PREFIX.length());
        } else if (modelAndView.getView() != null && modelAndView.getView() instanceof RedirectView) {
            viewName = modelAndView.getViewName();
        }
        if (!StringUtils.isEmpty(viewName)) {
            request.getSession().setAttribute(REDIRECT_HEADER, viewName);
        }
    }
}

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From source file:org.apache.cxf.fediz.service.idp.kerberos.KerberosEntryPoint.java

public void commence(HttpServletRequest request, HttpServletResponse response, AuthenticationException ex)
        throws IOException, ServletException {
    if (LOG.isDebugEnabled()) {
        LOG.debug("Sending back Negotiate Header for request: " + request.getRequestURL());
    }/*w  ww  .  j a v  a 2 s . c  o  m*/
    response.addHeader("WWW-Authenticate", "Negotiate");
    response.setStatus(HttpServletResponse.SC_UNAUTHORIZED);
    response.flushBuffer();
}

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From source file:agk.chatbot.web.MainServlet.java

/**
 * @see HttpServlet#doGet(HttpServletRequest request, HttpServletResponse
 *      response)/*from   w  ww.jav a2  s .  co m*/
 */
@Override
protected void doGet(HttpServletRequest request, HttpServletResponse response)
        throws ServletException, IOException {
    JSONObject json = new JSONObject();
    int status;
    response.addHeader("Content-Type", "application/json");
    try {
        status = 200;
        json.put("status", status);
        json.put("result", initialised);
    } catch (JSONException e) {
        status = 500;
        e.printStackTrace();
    }
    response.setStatus(status);
    response.getWriter().print(json.toString());
}

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From source file:net.shopxx.filter.AuthenticationFilter.java

@Override
protected boolean onAccessDenied(ServletRequest servletRequest, ServletResponse servletResponse)
        throws Exception {
    HttpServletRequest request = (HttpServletRequest) servletRequest;
    HttpServletResponse response = (HttpServletResponse) servletResponse;
    if (StringUtils.equalsIgnoreCase(request.getHeader("X-Requested-With"), "XMLHttpRequest")) {
        response.addHeader("loginStatus", "accessDenied");
        response.sendError(HttpServletResponse.SC_FORBIDDEN);
        return false;
    }//from   ww  w . j ava2s  .  c om
    String loginToken = net.shopxx.util.WebUtils.getCookie(request, Admin.LOGIN_TOKEN_COOKIE_NAME);
    if (!StringUtils.equalsIgnoreCase(loginToken, adminService.getLoginToken())) {
        WebUtils.issueRedirect(request, response, "/");
        return false;
    }
    return super.onAccessDenied(request, response);
}

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From source file:ch.silviowangler.dox.web.admin.RepositoryController.java

@RequestMapping(method = GET, value = "/admin/export")
public void getDocument(HttpServletResponse response) {

    try {//  ww w.j a va 2s  .  co  m
        File zipFile = doxExporter.export();

        InputStream in = new FileInputStream(zipFile);

        response.setContentType(this.mimeTypes.getProperty("zip"));

        response.addHeader(CONTENT_DISPOSITION, "attachment; filename=dox-repository.zip");

        byte[] buffer = new byte[1024];
        int bytes;
        while ((bytes = in.read(buffer)) != -1) {
            response.getOutputStream().write(buffer, 0, bytes);
        }
    } catch (IOException e) {
        logger.error("Unable to send dox repository export", e);
        response.setStatus(SC_INTERNAL_SERVER_ERROR);
    }
}

---

From source file:com.wxxr.nirvana.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 a  v  a 2  s  .  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
    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);
    }
}

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From source file:com.gsr.myschool.server.reporting.bilan.ConvocationReportController.java

@RequestMapping(method = RequestMethod.GET, value = "/convocationReport", produces = "application/pdf")
@ResponseStatus(HttpStatus.OK)/*from w w  w. ja v a 2 s.  co m*/
public void generateExcel(@RequestParam String fileName, HttpServletRequest request,
        HttpServletResponse response) {
    try {
        final int buffersize = 1024;
        final byte[] buffer = new byte[buffersize];

        response.addHeader("Content-Disposition", "attachment; filename=convocation_report.pdf");

        File file = new File(
                request.getSession().getServletContext().getRealPath("/") + TMP_FOLDER_PATH + fileName);
        InputStream inputStream = new FileInputStream(file);
        BufferedOutputStream outputStream = new BufferedOutputStream(response.getOutputStream());

        int available = 0;
        while ((available = inputStream.read(buffer)) >= 0) {
            outputStream.write(buffer, 0, available);
        }

        inputStream.close();

        outputStream.flush();
        outputStream.close();

        file.delete();
    } catch (Exception e) {
        throw new RuntimeException(e);
    }
}

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From source file:com.eufar.asmm.server.UploadFunction.java

protected void doPost(HttpServletRequest request, HttpServletResponse response)
        throws ServletException, IOException {
    System.out.println("UploadFunction - the function started");
    response.setContentType("text/html;charset=UTF-8");
    response.addHeader("Cache-Control", "no-cache,no-store");
    FileItemFactory factory = new DiskFileItemFactory();
    ServletFileUpload upload = new ServletFileUpload(factory);
    try {/*from  w  w w.j  a va  2s . co m*/
        List items = upload.parseRequest(request);
        Iterator iter = items.iterator();
        while (iter.hasNext()) {
            Object obj = iter.next();
            org.apache.commons.fileupload.FileItem item = (org.apache.commons.fileupload.FileItem) obj;
            if (FilenameUtils.getExtension(item.getName()).matches("(xml|XML)")) {
                if (item.isFormField()) {
                    String name = item.getName();
                    String value = "";
                    if (name.compareTo("textBoxFormElement") == 0) {
                        value = item.getString();
                    } else {
                        value = item.getString();
                    }
                    response.getWriter().write(name + "=" + value + "\n");
                } else {
                    byte[] fileContents = item.get();
                    String message = new String(fileContents);
                    response.setCharacterEncoding("UTF-8");
                    response.setContentType("text/html");
                    response.getWriter().write(message);
                    System.out.println("UploadFunction - file uploaded");
                }
            } else {
                System.out.println("UploadFunction - file rejected: wrong format");
                response.setCharacterEncoding("UTF-8");
                response.setContentType("text/html");
                response.getWriter().write("format");
            }
        }
    } catch (Exception ex) {
        System.out.println("UploadFunction - a problem occured: " + ex);
        response.getWriter().write("ERROR:" + ex.getMessage());
    }
}

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From source file:com.jfinal.weixin.sdk.jfinal.MsgInterceptor.java

public void writeText(HttpServletResponse response, String text) {
    response.setContentType("text/x-json;charset=utf-8");
    response.setHeader("Cache-Control", "no-store, max-age=0, no-cache, must-revalidate");
    response.addHeader("Cache-Control", "post-check=0, pre-check=0");
    response.setHeader("Pragma", "no-cache");
    try {//from   ww w. j a  va 2  s  .com
        PrintWriter out = response.getWriter();
        out.write(text);
        out.close();
    } catch (IOException e) {
        logger.error("error write json data", e);
    }
}

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