Example usage for javax.servlet.http HttpServletResponse setContentLength

Introduction

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

Prototype

public void setContentLength(int len);

Source Link

Document

Sets the length of the content body in the response In HTTP servlets, this method sets the HTTP Content-Length header.

Usage

From source file:com.stimulus.archiva.presentation.DownloadMessageBean.java

@Override
protected StreamInfo getStreamInfo(ActionMapping mapping, ActionForm form, HttpServletRequest request,
        HttpServletResponse response) throws Exception {

    String fileName = request.getParameter("name");
    //String fileName = ((MessageBean)form).getOriginalMessageFileName();
    logger.debug("download original email {fileName='" + fileName + "'}");
    String agent = request.getHeader("USER-AGENT");
    if (null != agent && -1 != agent.indexOf("MSIE")) {
        String codedfilename = URLEncoder.encode(fileName, "UTF8");
        response.setContentType("application/x-download");
        response.setHeader("Content-Disposition", "attachment;filename=" + codedfilename);
    } else if (null != agent && -1 != agent.indexOf("Mozilla")) {
        String codedfilename = MimeUtility.encodeText(fileName, "UTF8", "B");
        response.setContentType("application/x-download");
        response.setHeader("Content-Disposition", "attachment;filename=" + codedfilename);
    } else {/*from   w ww  .ja v  a2  s  .c o m*/
        response.setHeader("Content-Disposition", "attachment;filename=" + fileName);
    }
    String contentType = "message/rfc822";
    //String filePath = ((MessageBean)form).getOriginalMessageFilePath();
    String filePath = Config.getFileSystem().getViewPath() + File.separatorChar + fileName;
    File file = new File(filePath);
    response.setContentLength((int) file.length());
    Config.getFileSystem().getTempFiles().markForDeletion(file);
    return new FileStreamInfo(contentType, file);
}

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From source file:com.npower.dl.SoftwareDownloadServlet.java

public void doDownloadDescriptor(HttpServletRequest request, HttpServletResponse response)
        throws ServletException, IOException {
    String requestUrl = request.getRequestURL().toString();
    String requestUri = request.getRequestURI();
    log.info("Download Service: Download Descriptor: url: " + requestUrl);
    log.info("Download Service: Download Descriptor: uri: " + requestUri);

    String packageID = parserPackageID(requestUri);

    log.info("Software Download Service: Request package ID: " + packageID);

    DownloadDescriptor descriptor = new SoftwareDownloadDescriptor();
    descriptor.setDownloadID(packageID);

    try {/*  w  ww  . ja  v  a2s  .  com*/
        String serverURL = DownloadFactory.getServerURL(requestUrl);
        String baseURL = serverURL + request.getContextPath();

        descriptor.setDownloadURI(baseURL + "/download/software/");
        descriptor.setInstallNotifyURI(baseURL + "/download/notification/");

        String content = descriptor.getContent();
        response.setContentType(descriptor.getContentType());
        response.setContentLength(content.length());

        OutputStream out = response.getOutputStream();
        out.write(content.getBytes("UTF-8"));
        out.flush();
        out.close();

        log.debug("Download Descriptor Content: " + content);
    } catch (Exception ex) {
        throw new ServletException(ex);
    } finally {
    }
}

---

From source file:com.evolveum.midpoint.gui.impl.util.ReportPeerQueryInterceptor.java

@Override
protected void doGet(HttpServletRequest request, HttpServletResponse response)
        throws ServletException, IOException {
    if (!checkRequest(request, response, OPERATION_GET_REPORT)) {
        return;//from   w ww . j  ava 2s  . co  m
    }

    String fileName = getFileName(request);

    if (containsProhibitedQueryString(fileName)) {
        LOGGER.debug("Query parameter contains a prohibited character sequence. The parameter: {} ", fileName);
        response.setStatus(HttpServletResponse.SC_FORBIDDEN);
        return;
    }

    StringBuilder buildfilePath = new StringBuilder(EXPORT_DIR).append(fileName);
    String filePath = buildfilePath.toString();

    File loadedFile = new File(filePath);

    if (!isFileAndExists(loadedFile, fileName, response, OPERATION_GET_REPORT)) {
        return;
    }

    FileInputStream fileInputStream = new FileInputStream(filePath);

    ServletContext context = getServletContext();
    String mimeType = context.getMimeType(filePath);

    if (mimeType == null) {
        // MIME mapping not found
        mimeType = DEFAULTMIMETYPE;
    }

    response.setContentType(mimeType);
    response.setContentLength((int) loadedFile.length());

    StringBuilder headerValue = new StringBuilder("attachment; filename=\"%s\"").append(fileName);
    response.setHeader("Content-Disposition", headerValue.toString());

    OutputStream outputStream = response.getOutputStream();

    byte[] buffer = new byte[1024];
    int len;
    while ((len = fileInputStream.read(buffer)) > -1) {
        outputStream.write(buffer, 0, len);
    }
    IOUtils.closeQuietly(fileInputStream);
    IOUtils.closeQuietly(outputStream);
    LOGGER.trace("The file {} has been dispatched to the client.", fileName);

}

---

From source file:uk.org.iay.mdq.server.ResultRawView.java

@Override
public void render(final Map<String, ?> model, final HttpServletRequest request,
        final HttpServletResponse response) throws Exception {
    final Result result = (Result) model.get("result");
    log.debug("rendering as {}", getContentType());

    if (result.isNotFound()) {
        response.sendError(HttpServletResponse.SC_NOT_FOUND);
        return;// ww  w  .j av  a  2 s .  c o  m
    }

    // select the representation to provide
    Representation rep = null;
    final String acceptEncoding = request.getHeader(HttpHeaders.ACCEPT_ENCODING);
    if (acceptEncoding != null) {
        if (acceptEncoding.contains("gzip")) {
            rep = result.getGZIPRepresentation();
        } else if (acceptEncoding.contains("compress")) {
            rep = result.getDeflateRepresentation();
        }
    }

    // default to the normal representation
    if (rep == null) {
        rep = result.getRepresentation();
    }

    // Set response headers
    String contentEncoding = rep.getContentEncoding();
    if (contentEncoding != null) {
        response.setHeader(HttpHeaders.CONTENT_ENCODING, contentEncoding);
    } else {
        // for logging only
        contentEncoding = "normal";
    }
    response.setContentType(getContentType());
    response.setContentLength(rep.getBytes().length);
    response.setHeader(HttpHeaders.ETAG, rep.getETag());

    log.debug("selected ({}) representation is {} bytes", contentEncoding, rep.getBytes().length);

    response.getOutputStream().write(rep.getBytes());
}

---

From source file:ro.fils.angularspring.controller.ProjectsController.java

@RequestMapping(method = RequestMethod.GET, value = "/downloadXML")
public void downloadXML(HttpServletRequest request, HttpServletResponse response)
        throws FileNotFoundException, IOException, BadElementException {
    ServletContext context = request.getServletContext();
    String appPath = context.getRealPath("");
    String fullPath = appPath + "Projects.xml";
    PDFCreator creator = new PDFCreator();
    creator.saveAsXML(projectsDocumentRepository.findOne(ConnectionUtils.PROJECTS_COLLECTION).getContent(),
            fullPath);//from w  w w.j  a v a2  s  .  c  o  m
    System.out.println("appPath = " + appPath);

    File downloadFile = new File(fullPath);
    FileInputStream inputStream = new FileInputStream(downloadFile);

    // get MIME type of the file
    String mimeType = context.getMimeType(fullPath);
    if (mimeType == null) {
        // set to binary type if MIME mapping not found
        mimeType = "application/octet-stream";
    }
    System.out.println("MIME type: " + mimeType);

    // set content attributes for the response
    response.setContentType(mimeType);
    response.setContentLength((int) downloadFile.length());

    // set headers for the response
    String headerKey = "Content-Disposition";
    String headerValue = String.format("attachment; filename=\"%s\"", downloadFile.getName());
    response.setHeader(headerKey, headerValue);

    // get output stream of the response
    OutputStream outStream = response.getOutputStream();

    byte[] buffer = new byte[BUFFER_SIZE];
    int bytesRead = -1;

    // write bytes read from the input stream into the output stream
    while ((bytesRead = inputStream.read(buffer)) != -1) {
        outStream.write(buffer, 0, bytesRead);
    }

    inputStream.close();
    outStream.close();

}

---

From source file:com.spring.tutorial.controllers.DefaultController.java

@RequestMapping(value = "/files/{id}", method = RequestMethod.GET)
public String getFile(@PathVariable("id") String id, ModelMap map, HttpServletRequest request,
        HttpServletResponse response) throws IOException, Exception {

    String _id = request.getSession().getAttribute("id").toString();
    MongoData data = new MongoData();
    GridFS collection = new GridFS(data.getDB(), _id + "_files");

    BasicDBObject query = new BasicDBObject();
    query.put("_id", new ObjectId(id));
    GridFSDBFile file = collection.findOne(query);

    DBCollection metaFileCollection = data.getDB().getCollection(_id + "_files_meta");
    BasicDBObject metaQuery = new BasicDBObject();
    metaQuery.put("file-id", new ObjectId(id));
    DBObject metaFileDoc = metaFileCollection.findOne(metaQuery);
    MongoFile metaFile = new MongoFile(metaFileDoc);

    ServletOutputStream out = response.getOutputStream();
    String mimeType = metaFile.getType();
    response.setContentType(mimeType);/*  www . j  a v a 2s  .  c  om*/
    response.setContentLength((int) file.getLength());
    String headerKey = "Content-Disposition";

    File f = File.createTempFile(file.getFilename(),
            metaFile.getType().substring(metaFile.getType().indexOf("/") + 1));
    String headerValue = String.format("attachment; filename=\"%s\"", file.getFilename());
    response.setHeader(headerKey, headerValue);
    file.writeTo(f);

    FileInputStream inputStream = new FileInputStream(f);
    byte[] buffer = new byte[4096];
    int bytesRead = -1;

    while (inputStream.read(buffer, 0, 4096) != -1) {
        out.write(buffer, 0, 4096);
    }
    inputStream.close();
    out.flush();
    out.close();

    return "mydrive/temp";
}

---

From source file:org.nsesa.editor.gwt.an.amendments.server.service.PdfExportService.java

@Override
public void export(AmendmentContainerDTO object, HttpServletResponse response) {
    response.setContentType("application/pdf");
    response.setHeader("Content-Disposition",
            "attachment;filename=" + object.getAmendmentContainerID() + ".pdf");
    response.setCharacterEncoding("UTF8");
    final String content = object.getBody();
    final InputSource inputSource;
    byte[] bytes = content.getBytes(Charset.forName("UTF-8"));
    inputSource = new InputSource(new ByteArrayInputStream(bytes));

    try {//from w w  w . ja  va  2  s. co m
        final NodeModel model = NodeModel.parse(inputSource);
        final Configuration configuration = new Configuration();
        configuration.setDefaultEncoding("UTF-8");
        configuration.setDirectoryForTemplateLoading(template.getFile().getParentFile());
        final StringWriter sw = new StringWriter();
        Map<String, Object> root = new HashMap<String, Object>();
        root.put("amendment", model);
        configuration.getTemplate(template.getFile().getName()).process(root, sw);
        ITextRenderer renderer = new ITextRenderer();
        renderer.setDocumentFromString(sw.toString(), editorUrl + "/");
        renderer.layout();
        renderer.createPDF(response.getOutputStream());
        response.setContentLength(sw.toString().length());
        response.flushBuffer();

    } catch (IOException e) {
        throw new RuntimeException("Could not read file.", e);
    } catch (SAXException e) {
        throw new RuntimeException("Could not parse file.", e);
    } catch (ParserConfigurationException e) {
        throw new RuntimeException("Could not parse file.", e);
    } catch (TemplateException e) {
        throw new RuntimeException("Could not load template.", e);
    } catch (DocumentException e) {
        throw new RuntimeException("Export to pdf failed", e);
    }

}

---

From source file:code.Servlet.java

private void getStartData(BufferedReader reader, HttpServletResponse response, Statement stmt, PrintWriter out)
        throws IOException, SQLException {
    String line = reader.readLine();
    String idEvent = line.substring(12, line.length() - 2);

    String query = "select * from event where idEvent=" + idEvent + "'";
    ResultSet res = stmt.executeQuery(query);

    if (!res.next()) {
        System.out.println("Nessun evento");
    }/*from  www. j a  va 2s. com*/

    String resp = res.getString("start_lat") + "," + res.getString("start_lon");

    response.setContentType("text/plain");
    response.setContentLength(resp.length());
    PrintWriter reply = response.getWriter();
    reply.println(resp);
    out.close(); //non so se serve out
    out.flush();

}

---

From source file:alpha.portal.webapp.controller.PayloadVersionsController.java

/**
 * Gets the payload./*from   w  w  w . j ava2 s . c om*/
 * 
 * @param request
 *            the request
 * @param response
 *            the response
 * @return the payload
 * @throws IOException
 *             Signals that an I/O exception has occurred.
 */
@RequestMapping(method = RequestMethod.GET, params = { "seqNumber" })
public String getPayload(final HttpServletRequest request, final HttpServletResponse response)
        throws IOException {
    final Locale locale = request.getLocale();
    if ((request.getParameter("card") == null) || (request.getParameter("case") == null)) {
        this.saveError(request, this.getText("payloadVersions.cardNotFound", locale));
        return "";
    }
    final String cardId = request.getParameter("card");
    final String caseId = request.getParameter("case");

    final AlphaCard currentCard = this.alphaCardManager.get(new AlphaCardIdentifier(caseId, cardId));
    final Payload payload = this.payloadManager
            .getVersion(new PayloadIdentifier(currentCard.getPayload().getPayloadIdentifier().getPayloadId(),
                    Long.parseLong(request.getParameter("seqNumber"))));

    if (payload != null) {

        final BufferedInputStream in = new BufferedInputStream(new ByteArrayInputStream(payload.getContent()));

        response.setBufferSize(payload.getContent().length);
        response.setContentType(payload.getMimeType());
        response.setHeader("Content-Disposition", "attachment; filename=\"" + payload.getFilename() + "\"");
        response.setContentLength(payload.getContent().length);

        FileCopyUtils.copy(in, response.getOutputStream());
        in.close();
        response.getOutputStream().flush();
        response.getOutputStream().close();
    }

    return "redirect:/payloadVersions?case=" + currentCard.getAlphaCardIdentifier().getCaseId() + "&card="
            + currentCard.getAlphaCardIdentifier().getCardId();
}

---

From source file:com.citrix.cpbm.portal.fragment.controllers.AbstractLogoController.java

private void logoResponse(String imagePath, String defaultImagePath, HttpServletResponse response,
        String cssdkFilesDirectory) {
    FileInputStream fileinputstream = null;
    String rootImageDir = config.getValue(Names.com_citrix_cpbm_portal_settings_images_uploadPath);
    if (StringUtils.isNotBlank(cssdkFilesDirectory)) {
        rootImageDir = cssdkFilesDirectory;
    }/* w  w  w .ja va 2s .com*/
    if (rootImageDir != null && !rootImageDir.trim().equals("")) {
        try {
            if (imagePath != null && !imagePath.trim().equals("")) {
                String absoluteImagePath = FilenameUtils.concat(rootImageDir, imagePath);
                fileinputstream = new FileInputStream(absoluteImagePath);
                if (fileinputstream != null) {
                    int numberBytes = fileinputstream.available();
                    byte bytearray[] = new byte[numberBytes];
                    fileinputstream.read(bytearray);
                    response.setContentType("image/" + FilenameUtils.getExtension(imagePath));
                    // TODO:Set Cache headers for browser to force browser to cache to reduce load
                    OutputStream outputStream = response.getOutputStream();
                    response.setContentLength(numberBytes);
                    outputStream.write(bytearray);
                    outputStream.flush();
                    outputStream.close();
                    fileinputstream.close();
                    return;
                }
            }
        } catch (FileNotFoundException e) {
            logger.debug("###File not found in retrieving logo " + imagePath);
        } catch (IOException e) {
            logger.debug("###IO Error in retrieving logo");
        }
    }
    response.setStatus(HttpServletResponse.SC_MOVED_PERMANENTLY);
    response.setHeader("Location", defaultImagePath);
}

---

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