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:action.ImageResult.java

public void execute(ActionInvocation invocation) throws IOException {
    ImageAction action = (ImageAction) invocation.getAction();
    HttpServletResponse response = ServletActionContext.getResponse();
    ServletOutputStream sos = response.getOutputStream();
    BufferedOutputStream output = null;
    byte[] imgBytes = action.getCustomImageInBytes();
    System.out.println("imgBytes--->" + imgBytes.toString());

    response.reset();//  w ww  .ja  va2  s  .  c  om
    response.setBufferSize(10240);
    response.setContentType("image/png");
    response.setContentLength(action.getCustomImageInBytes().length);
    response.setHeader("Content-Disposition", "inline; filename=\"sss\"");
    //response.getOutputStream().write(action.getCustomImageInBytes());
    // response.getOutputStream().flush();
    try {
        output = new BufferedOutputStream(response.getOutputStream(), 10240);
        output.write(imgBytes);
    } finally {
        // Gently close streams.
        if (output != null) {
            try {
                output.close();
            } catch (IOException e) {
                e.printStackTrace();
            }
        }
    }
}

From source file:com.enonic.cms.server.service.admin.mvc.controller.AttachmentController.java

private void putBinaryOnResponse(boolean download, HttpServletResponse response, BinaryDataEntity binaryData,
        BlobRecord blob) throws IOException {
    HttpServletUtil.setContentDisposition(response, download, binaryData.getName());

    response.setContentType(HttpServletUtil.resolveMimeType(getServletContext(), binaryData.getName()));
    response.setContentLength((int) blob.getLength());

    ByteStreams.copy(blob.getStream(), response.getOutputStream());
}

From source file:org.chimi.s4s.controller.FileDownloadController.java

private void sendFile(boolean imageInline, FileSource source, HttpServletRequest request,
        HttpServletResponse response) throws IOException {
    response.setContentType(source.getMimeType());
    cacheStrategy.setCacheOption(source, response);
    response.setHeader("Content-Disposition", (imageInline ? "inline" : "attachment") + "; filename=\""
            + getHeaderFileName(source.getFileName(), request) + "\";");
    response.setContentLength((int) source.getLength());

    ServletOutputStream out = response.getOutputStream();
    source.write(out);/*  w  w  w  .  j  a va2  s.  co m*/

    out.flush();
    out.close();
}

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

@Override
public void export(AmendmentContainerDTO object, HttpServletResponse response) throws IOException {
    try {/*from  www .  j  av a 2 s.c  o m*/
        response.setContentType("text/xml");
        response.setHeader("Content-Disposition",
                "attachment;filename=" + object.getAmendmentContainerID() + ".xml");
        response.setCharacterEncoding("UTF8");

        byte[] bytes = object.getBody().getBytes("utf-8");
        IOUtils.copy(new ByteArrayInputStream(bytes), response.getOutputStream());
        response.setContentLength(bytes.length);
        response.flushBuffer();
    } catch (IOException e) {
        throw new RuntimeException("Failed to xml export", e);
    }
}

From source file:net.sourceforge.fenixedu.presentationTier.Action.commons.student.ViewStudentApplicationDA.java

public ActionForward downloadDocument(final ActionMapping mapping, final ActionForm form,
        final HttpServletRequest request, final HttpServletResponse response) throws IOException {
    final IndividualCandidacyDocumentFile document = getDomainObject(request, "documentOID");
    if (document != null && isAuthorized(document)) {
        response.setContentType(document.getContentType());
        response.addHeader("Content-Disposition", "attachment; filename=\"" + document.getFilename() + "\"");
        response.setContentLength(document.getSize().intValue());
        final DataOutputStream dos = new DataOutputStream(response.getOutputStream());
        dos.write(document.getContent());
        dos.close();/*from  ww w  .j  a  v a 2 s .  c  o  m*/
    } else {
        response.setStatus(HttpServletResponse.SC_BAD_REQUEST);
        response.getWriter().write(HttpStatus.getStatusText(HttpStatus.SC_BAD_REQUEST));
        response.getWriter().close();
    }
    return null;
}

From source file:com.pavikumbhar.javaheart.controller.FileUploadController.java

@RequestMapping(value = "/download", method = RequestMethod.GET)
public void download(@RequestParam("name") String name, final HttpServletRequest request,
        final HttpServletResponse response) {
    System.out.println("name : {}" + name);

    File file = new File("/app/" + name);
    System.out.println("Write response...");
    try (InputStream fileInputStream = new FileInputStream(file);
            OutputStream output = response.getOutputStream();) {

        response.reset();/* w  w w. j a v a2  s  .  co m*/

        response.setContentType("application/octet-stream");
        response.setContentLength((int) (file.length()));

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

        IOUtils.copyLarge(fileInputStream, output);
        output.flush();
    } catch (IOException e) {
        System.out.println(e.getMessage());
    }

}

From source file:com.conwet.silbops.connectors.comet.CometAPIHandler.java

public void onRequestOption(AtmosphereResource<HttpServletRequest, HttpServletResponse> event) {

    HttpServletResponse res = event.getResponse();
    HttpServletRequest req = event.getRequest();
    String accessCRH = sanitize(req.getHeader("Access-Control-Request-Headers"));

    res.setContentType("text/plain;charset=UTF-8");
    res.setContentLength(0);
    res.setHeader("Access-Control-Allow-Origin", "*");
    res.setHeader("Access-Control-Allow-Methods", "POST, GET, OPTIONS");
    res.setHeader("Access-Control-Allow-Headers", "X-JSON, " + accessCRH);
    res.setHeader("Access-Control-Expose-Headers", "X-JSON, " + accessCRH);
    res.setHeader("Access-Control-Max-Age", "1728000");
    res.setHeader("Access-Control-Allow-Credentials", "true");
}

From source file:com.java2s.SendFilter.java

public void doFilter(ServletRequest request, ServletResponse response, FilterChain chain)
        throws java.io.IOException, ServletException {

    //get the file name from the 'file' parameter
    String fileName = request.getParameter("file");
    if (fileName == null || fileName.equals(""))
        throw new ServletException("Invalid or non-existent file parameter in SendPdf component.");

    if (fileName.indexOf(".pdf") == -1)
        fileName = fileName + ".pdf";

    ServletOutputStream stream = null;/* www  .j a v  a 2  s .c om*/
    BufferedInputStream buf = null;
    HttpServletResponse httpResp = null;
    try {

        httpResp = (HttpServletResponse) response;
        stream = httpResp.getOutputStream();
        File pdf = new File(PDF_DIR + "/" + fileName);

        //set response headers
        httpResp.setContentType(PDF_CONTENT_TYPE);
        httpResp.addHeader("Content-Disposition", "attachment; filename=" + fileName);
        httpResp.setContentLength((int) pdf.length());

        FileInputStream input = new FileInputStream(pdf);
        buf = new BufferedInputStream(input);
        int readBytes = 0;
        //read from the file; write to the ServletOutputStream
        while ((readBytes = buf.read()) != -1)
            stream.write(readBytes);

    } catch (Exception ioe) {

        //  throw new ServletException(ioe.getMessage());
        System.out.println(ioe.getMessage());

    } finally {

        if (buf != null)
            buf.close();
        if (stream != null) {
            stream.flush();
            //stream.close();
        }

    } //end finally
    chain.doFilter(request, httpResp);
}

From source file:ar.com.fdvs.dj.struts2.DJStruts2Result.java

protected void handleConTypeRequest(final HttpServletResponse _response) throws ServletException {
    try {/* www.  ja va2s. c  o  m*/
        _response.setContentType(FormatInfoRegistry.getInstance().getContentType(documentFormat)); //
        _response.setContentLength(0);
        _response.getOutputStream().close();
    } catch (IOException ex) {
        LOG.error("Error writing report output", ex);
        throw new ServletException(ex.getMessage(), ex);
    }
}

From source file:com.novartis.pcs.ontology.rest.servlet.SubtermsServlet.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) {
        response.setStatus(HttpServletResponse.SC_NOT_FOUND);
        response.setContentLength(0);//from  w  w  w .ja va 2  s . c om
    } else {
        String referenceId = pathInfo.substring(1);
        boolean pending = Boolean.parseBoolean(request.getParameter("pending"));
        serialize(referenceId, pending, response);
    }
}