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:de.iew.raspimotion.controllers.MotionJpegController.java

@RequestMapping(value = "image/{imagename:.+}")
public void imageAction(HttpServletResponse response, @PathVariable String imagename) throws Exception {
    Assert.isTrue(validateImagename(imagename));

    FileDescriptor file = this.fileDao.getFileLastCreated(imagename);

    if (file == null) {
        throw new NoSuchElementException("Image was not found");
    }// w  w  w  .j av  a  2  s . c  o  m

    sendCachingHeaders(response);
    response.setContentType("image/jpeg");
    response.setContentLength(new Long(file.getFilesize()).intValue());

    sendImageAsJpeg(file, response);
}

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From source file:alfio.controller.api.admin.ResourceController.java

@RequestMapping(value = "/resource/{name:.*}", method = RequestMethod.GET)
public void outputContent(@PathVariable("name") String name, Principal principal, HttpServletResponse response)
        throws IOException {
    checkAccess(principal);//from   www .j av a  2s  . c  o m
    UploadedResource metadata = uploadedResourceManager.get(name);
    try (OutputStream os = response.getOutputStream()) {
        response.setContentType(metadata.getContentType());
        response.setContentLength(metadata.getContentSize());
        uploadedResourceManager.outputResource(name, os);
    }
}

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From source file:net.duckling.ddl.web.controller.pan.PanDownloadController.java

private void sendPreviewDoc(String filename, long size, String remotePath, long version,
        HttpServletRequest request, HttpServletResponse response) {
    OutputStream os = null;/*from  w  w w. j a va  2 s .c o  m*/
    long p0 = System.currentTimeMillis();
    long tmpSize = size;
    try {
        response.setCharacterEncoding("utf-8");
        String headerValue = ResponseHeaderUtils.buildResponseHeader(request, filename, true);
        response.setContentType("application/x-download");
        response.setHeader("Content-Disposition", headerValue);
        response.setContentLength((int) size);
        response.setHeader("Content-Length", tmpSize + "");
        os = response.getOutputStream();
        panService.download(PanAclUtil.getInstance(request), remotePath, version, os);
    } catch (UnsupportedEncodingException e) {
        LOG.error("", e);
    } catch (MeePoException e) {
        LOG.error("", e);
    } catch (IOException e) {
        LOG.error("", e);
    } catch (Exception e) {
        LOG.error("", e);
    } finally {
        IOUtils.closeQuietly(os);
        long p1 = System.currentTimeMillis();
        LOG.info("Download document[name:" + filename + ",size:" + tmpSize + "] use time " + (p1 - p0));
    }

}

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From source file:org.shredzone.cilla.view.AbstractView.java

/**
 * Streams a {@link ResourceDataSource}. Also cares about setting proper HTTP response
 * headers./*ww  w. j a  va 2 s . c o  m*/
 *
 * @param ds
 *            {@link ResourceDataSource} to stream
 * @param req
 *            {@link HttpServletRequest}
 * @param resp
 *            {@link HttpServletResponse}
 */
protected void streamDataSource(ResourceDataSource ds, HttpServletRequest req, HttpServletResponse resp)
        throws ViewException {
    try {
        if (isNotModifiedSince(req, ds.getLastModified())) {
            throw new ErrorResponseException(HttpServletResponse.SC_NOT_MODIFIED);
        }

        Long length = ds.getLength();
        if (length != null && length <= Integer.MAX_VALUE) {
            // Converting long to int is safe here...
            resp.setContentLength(length.intValue());
        }

        resp.setContentType(ds.getContentType());
        resp.setDateHeader("Last-Modified", ds.getLastModified().getTime());

        try (InputStream in = ds.getInputStream()) {
            FileCopyUtils.copy(in, resp.getOutputStream());
        }
    } catch (IOException ex) {
        throw new ViewException(ex);
    }
}

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From source file:com.springsource.html5expense.controllers.ExpenseReportingApiController.java

@RequestMapping(value = "/receipts/{expenseId}")
public void renderMedia(HttpServletResponse httpServletResponse, OutputStream os,
        @PathVariable("expenseId") Integer expenseId) {

    Expense expense = service.getExpense(expenseId);
    httpServletResponse.setContentType(buildMimeTypeForExpense(expense));

    File f = service.retreiveReceipt(expenseId);
    InputStream is = null;/* www  .  ja  va  2s  .  c o m*/
    try {
        is = new FileInputStream(f);
        httpServletResponse.setContentLength((int) f.length());
        IOUtils.copyLarge(is, os);
    } catch (Exception e1) {
        log.error(e1);
    } finally {
        if (is != null)
            IOUtils.closeQuietly(is);
        if (os != null)
            IOUtils.closeQuietly(os);
    }
}

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From source file:flex.messaging.services.http.proxy.ResponseFilter.java

protected void writeResponse(ProxyContext context) {
    try {// w w  w  .ja v  a  2s .  c  o m
        InputStream in = context.getHttpMethod().getResponseBodyAsStream();

        if (in == null) {
            throw new ProxyException(NULL_RESPONSE_STREAM);
        }

        int length = (int) context.getHttpMethod().getResponseContentLength();

        // Stream response directly to client
        if (context.streamResponseToClient()) {
            HttpServletResponse clientResponse = FlexContext.getHttpResponse();

            if (clientResponse != null) {
                OutputStream out = clientResponse.getOutputStream();
                if (length != -1) {
                    clientResponse.setContentLength(length);
                }

                writeStreamedResponse(in, out, context);
            } else {
                throw new ProxyException(CANNOT_STREAM_NOT_HTTP);
            }
        } else {
            writeResponseAsString(in, length, context);
        }
    } catch (IOException ioe) {
        ProxyException pe = new ProxyException();
        pe.setMessage(ERROR_WRITING_RESPONSE, new Object[] { ioe.getMessage() });
        throw pe;
    }
}

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From source file:com.novartis.pcs.ontology.rest.servlet.TermsServlet.java

@Override
protected void doGet(HttpServletRequest request, HttpServletResponse response)
        throws ServletException, IOException {
    String mediaType = getExpectedMediaType(request);
    String pathInfo = StringUtils.trimToNull(request.getPathInfo());
    if (mediaType == null || !MEDIA_TYPE_JSON.equals(mediaType)) {
        response.setStatus(HttpServletResponse.SC_UNSUPPORTED_MEDIA_TYPE);
        response.setContentLength(0);
    } else if (pathInfo != null && pathInfo.length() > 1) {
        String referenceId = pathInfo.substring(1);
        serialize(referenceId, response);
    } else {//from www .  j  a  va  2s  . c  o  m
        // perform search using query string params
        String name = StringUtils.trimToNull(request.getParameter("name"));
        String ontology = StringUtils.trimToNull(request.getParameter("ontology"));
        boolean includeSynonyms = Boolean.parseBoolean(request.getParameter("synonyms"));
        int maxResults = Integer.MAX_VALUE;

        try {
            maxResults = Integer.parseInt(request.getParameter("max"));
            if (maxResults <= 0) {
                maxResults = Integer.MAX_VALUE;
            }
        } catch (Exception e) {
            maxResults = Integer.MAX_VALUE;
        }

        serialize(name, ontology, includeSynonyms, maxResults, response);
    }
}

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From source file:net.bpelunit.framework.control.ws.WebServiceHandler.java

private void sendResponse(HttpServletResponse response, int code, String body) throws IOException {

    response.setContentType(BPELUnitConstants.TEXT_XML_CONTENT_TYPE);
    response.setStatus(code);//from   w  ww .j av  a  2 s  . c  om

    if (body == null) {
        body = "";
    }
    ByteArrayISO8859Writer writer = new ByteArrayISO8859Writer(2048);
    try {
        writer.write(body);
        writer.flush();

        response.setContentLength(writer.size());
        writer.writeTo(response.getOutputStream());
    } finally {
        writer.close();
        writer.destroy();
    }
}

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From source file:com.novartis.pcs.ontology.rest.servlet.OntologiesServlet.java

private void serialize(String ontologyName, HttpServletResponse response) {
    try {/*from   w  w w  .j a  va  2 s .  c o m*/
        Ontology ontology = ontologyDAO.loadByName(ontologyName);
        if (ontology == null || ontology.isCodelist()) {
            response.setStatus(HttpServletResponse.SC_NOT_FOUND);
            response.setContentLength(0);
        } else {
            Collection<Term> terms = termDAO.loadAll(ontology);
            OntologyDelegate delegate = new OntologyDelegate(ontology, terms);

            response.setStatus(HttpServletResponse.SC_OK);
            response.setHeader("Access-Control-Allow-Origin", "*");
            response.setContentType(MEDIA_TYPE_JSON + ";charset=utf-8");
            response.setHeader("Cache-Control", "public, max-age=0");

            // As per jackson javadocs - Encoding will be UTF-8
            mapper.writeValue(response.getOutputStream(), delegate);
        }
    } catch (Exception e) {
        log("Failed to serialize ontology to JSON", e);
        response.setStatus(HttpServletResponse.SC_INTERNAL_SERVER_ERROR);
        response.setContentLength(0);
    }
}

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From source file:com.poscoict.license.web.controller.DownloadView.java

@Override
protected void renderMergedOutputModel(Map<String, Object> model, HttpServletRequest request,
        HttpServletResponse response) throws Exception {
    @SuppressWarnings("unchecked")
    Map<String, Object> map = (Map<String, Object>) model.get("downloadFile");

    File file = (File) map.get("file");
    String fileName = "";
    if (map.get("fileName") != null)
        fileName = (String) map.get("fileName");
    else/*  ww w  .ja  v  a 2s  .  c o m*/
        fileName = file.getName();

    response.setContentType(getContentType());
    response.setContentLength((int) file.length());

    String header = getBrowser(request);

    if (header.contains("MSIE")) {

        String docName = URLEncoder.encode(fileName, "UTF-8").replaceAll("\\+", "%20");

        response.setHeader("Content-Disposition", "attachment;filename=" + docName + ";");

    } else if (header.contains("Firefox")) {

        String docName = new String(fileName.getBytes("UTF-8"), "ISO-8859-1");

        response.setHeader("Content-Disposition", "attachment; filename=\"" + docName + "\"");

    } else if (header.contains("Opera")) {

        String docName = new String(fileName.getBytes("UTF-8"), "ISO-8859-1");

        response.setHeader("Content-Disposition", "attachment; filename=\"" + docName + "\"");

    } else if (header.contains("Chrome")) {

        String docName = new String(fileName.getBytes("UTF-8"), "ISO-8859-1");

        response.setHeader("Content-Disposition", "attachment; filename=\"" + docName + "\"");

    }

    response.setHeader("Content-Type", "application/octet-stream");

    response.setHeader("Content-Transfer-Encoding", "binary;");

    response.setHeader("Pragma", "no-cache;");

    response.setHeader("Expires", "-1;");

    OutputStream out = response.getOutputStream();
    FileInputStream fis = null;

    try {
        fis = new FileInputStream(file);
        FileCopyUtils.copy(fis, out);
    } catch (Exception e) {
        e.printStackTrace();
    } finally {
        if (fis != null) {
            try {
                fis.close();
            } catch (Exception e) {
            }
        }
        if (out != null) {
            try {
                out.close();
            } catch (Exception e) {
            }
        }
    }
    out.flush();
}

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