Example usage for javax.servlet.http HttpServletResponse setHeader

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

  1. HOME
  2. Java
  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:be.fedict.eid.dss.webapp.DocumentViewerServlet.java

private void setResponseHeaders(HttpServletRequest request, HttpServletResponse response) {

    response.setHeader("Cache-Control", "no-cache, no-store, must-revalidate, max-age=-1"); // http
    // 1.1/*ww  w  . j a v a 2s  .  co m*/
    if (!request.getScheme().equals("https")) {
        // else the download fails in IE
        response.setHeader("Pragma", "no-cache"); // http 1.0
    } else {
        response.setHeader("Pragma", "public");
    }
    response.setDateHeader("Expires", -1);

}

From source file:com.w3ma.m3u8web.controller.DownloadPlaylistController.java

@RequestMapping(value = "/playlist", method = RequestMethod.GET, produces = MediaType.APPLICATION_OCTET_STREAM_VALUE)
public ResponseEntity<ByteArrayResource> getPlaylist(final HttpServletResponse response) throws IOException {
    logger.debug("getPlaylist called");
    final HttpHeaders headers = new HttpHeaders();
    response.setHeader("Content-Disposition", "attachment; filename=playlist.m3u");
    return new ResponseEntity<>(
            new ByteArrayResource(playlistGeneratorService.getPlaylistByteArrayOutputStream().toByteArray()),
            headers, HttpStatus.OK);/* ww w.ja v a 2 s .c  o  m*/
}

From source file:org.openmrs.module.usagestatistics.web.view.csv.AbstractCSVView.java

/**
 * @see org.springframework.web.servlet.view.AbstractView
 */// w  ww  . ja va  2 s  . c  o  m
@Override
@SuppressWarnings("unchecked")
protected void renderMergedOutputModel(Map model, HttpServletRequest request, HttpServletResponse response)
        throws Exception {
    // Respond as a CSV file
    response.setContentType("text/csv");
    response.setHeader("Content-Disposition", "attachment; filename=\"" + getFilename(model) + "\"");

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

    // Write data
    writeValues(model, response.getWriter());
}

From source file:com.zlfun.framework.misc.UploadUtils.java

public static boolean download(HttpServletRequest request, HttpServletResponse response, String uuid) {

    InputStream bis;//from   w  ww. j  a v a  2  s .  c o m
    boolean ret = false;
    try {

        byte[] voiceData = FsUtils.readFromDisk(uuid);
        if (voiceData != null) {
            long p = 0L;
            long toLength = 0L;
            long contentLength = 0L;
            int rangeSwitch = 0; // 0,1,?bytes=27000-2,???bytes=27000-39000
            long fileLength;
            String rangBytes = "";
            fileLength = voiceData.length;

            // get file content
            bis = new ByteArrayInputStream(voiceData);

            // tell the client to allow accept-ranges
            response.reset();
            response.setHeader("Accept-Ranges", "bytes");

            // client requests a file block download start byte
            String range = request.getHeader("Range");
            if (range != null && range.trim().length() > 0 && !"null".equals(range)) {
                response.setStatus(javax.servlet.http.HttpServletResponse.SC_PARTIAL_CONTENT);
                rangBytes = range.replaceAll("bytes=", "");
                if (rangBytes.endsWith("-")) { // bytes=270000-
                    rangeSwitch = 1;
                    p = Long.parseLong(rangBytes.substring(0, rangBytes.indexOf("-")));
                    contentLength = fileLength - p; // 270000?bytes270000
                } else { // bytes=270000-320000
                    rangeSwitch = 2;
                    String temp1 = rangBytes.substring(0, rangBytes.indexOf("-"));
                    String temp2 = rangBytes.substring(rangBytes.indexOf("-") + 1, rangBytes.length());
                    p = Long.parseLong(temp1);
                    toLength = Long.parseLong(temp2);
                    contentLength = toLength - p + 1; // 
                    // 270000-320000
                    // 
                }
            } else {
                contentLength = fileLength;
            }

            // Content-Length?????
            // Content-Length: [?] - [?]
            response.setHeader("Content-Length", new Long(contentLength).toString());

            // 
            // ??:
            // Content-Range: bytes [?]-[? - 1]/[?]
            if (rangeSwitch == 1) {
                String contentRange = new StringBuffer("bytes ").append(new Long(p).toString()).append("-")
                        .append(new Long(fileLength - 1).toString()).append("/")
                        .append(new Long(fileLength).toString()).toString();
                response.setHeader("Content-Range", contentRange);
                bis.skip(p);
            } else if (rangeSwitch == 2) {
                String contentRange = range.replace("=", " ") + "/" + new Long(fileLength).toString();
                response.setHeader("Content-Range", contentRange);
                bis.skip(p);
            } else {
                String contentRange = new StringBuffer("bytes ").append("0-").append(fileLength - 1).append("/")
                        .append(fileLength).toString();
                response.setHeader("Content-Range", contentRange);
            }

            response.setContentType("application/octet-stream");
            response.addHeader("Content-Disposition", getContentDisposition(request, uuid));

            OutputStream out = response.getOutputStream();

            int n = 0;
            long readLength = 0;
            int bsize = 1024;
            byte[] bytes = new byte[bsize];
            if (rangeSwitch == 2) {
                //  bytes=27000-39000 27000?
                while (readLength <= contentLength - bsize) {
                    n = bis.read(bytes);
                    readLength += n;
                    out.write(bytes, 0, n);
                }
                if (readLength <= contentLength) {
                    n = bis.read(bytes, 0, (int) (contentLength - readLength));
                    out.write(bytes, 0, n);
                }
            } else {
                while ((n = bis.read(bytes)) != -1) {
                    out.write(bytes, 0, n);
                }
            }
            out.flush();
            out.close();
            bis.close();
            return true;
        } else {
            return false;
        }
    } catch (IOException ex) {
        //  ClientAbortException 
        Logger.getLogger(UploadUtils.class.getName()).log(Level.SEVERE, null, ex);
        return false;
    } catch (Exception ex) {
        Logger.getLogger(UploadUtils.class.getName()).log(Level.SEVERE, null, ex);
        return false;
    }

}

From source file:controllers.CarPropertyController.java

@RequestMapping("/getXls")
public void getXls(Map<String, Object> model, HttpServletResponse response) throws Exception {
    response.setContentType("application/octet-stream");
    response.setHeader("Content-Disposition", "attachment; filename=PROPERTY.xls");
    carPropertyService.getXls().write(response.getOutputStream());
}

From source file:cz.muni.fi.dndtroopsweb.security.ProtectFilter.java

private void response401(HttpServletResponse response) throws IOException {
    response.setStatus(HttpServletResponse.SC_UNAUTHORIZED);
    response.setHeader("WWW-Authenticate", "Basic realm=\"type name and password\"");
    response.getWriter()/*w  w w. ja v a  2 s  .  co  m*/
            .println("<html><body><h1>401 Unauthorized Access</h1> Destruction in 5..4..3..</body></html>");
}

From source file:com.image32.demo.simpleapi.ContentHandler.java

private void httpHeaderNoCache(HttpServletResponse response) {
    response.setHeader("Cache-Control", "no-cache, no-store, must-revalidate");
    response.setHeader("Pragma", "no-cache");
    response.setDateHeader("Expires", 0);
}

From source file:MyServlet.java

public void doGet(HttpServletRequest req, HttpServletResponse res) throws ServletException, IOException {
    res.setContentType("text/plain; charset=Shift_JIS");
    PrintWriter out = res.getWriter();
    res.setHeader("Content-Language", "ja");

    Locale locale = new Locale("ja", "");
    DateFormat full = DateFormat.getDateTimeInstance(DateFormat.LONG, DateFormat.LONG, locale);
    out.println("In Japanese:");

    try {//from   w  w  w .j  av  a2  s.  c  o  m
        FileInputStream fis = new FileInputStream(req.getRealPath("/HelloWorld.ISO-2022-JP"));
        InputStreamReader isr = new InputStreamReader(fis, "ISO-2022-JP");
        BufferedReader reader = new BufferedReader(isr);
        String line = null;
        while ((line = reader.readLine()) != null) {
            out.println(line);
        }
    } catch (FileNotFoundException e) {
        e.printStackTrace();
    }

    out.println(full.format(new Date()));
}

From source file:elw.web.ControllerElw.java

public static void storeContentHeaders(final FileBase fileBase, final HttpServletResponse resp) {
    final FileType fileType = IdNamed._.one(fileBase.getFileType());
    final String contentType;
    if (!fileType.getContentTypes().isEmpty()) {
        contentType = fileType.getContentTypes().get(0);
    } else {/* w  w w.ja v  a  2  s  .co m*/
        contentType = fileType.isBinary() ? "binary/octet-stream" : "text/plain";
    }

    if (fileType.isBinary()) {
        resp.setContentType(contentType);
    } else {
        resp.setContentType(contentType + "; charset=UTF-8");
        resp.setCharacterEncoding("UTF-8");
    }

    resp.setContentLength(fileBase.getCouchFile(FileBase.CONTENT).getLength().intValue());
    resp.setHeader("Content-Disposition", "attachment;");
}

From source file:core.NiprSyncController.java

@RequestMapping("/")
public void index(HttpServletRequest request, HttpServletResponse response) {

    response.setStatus(HttpServletResponse.SC_MOVED_PERMANENTLY);
    response.setHeader("Location", "/login.html");
}