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:mx.gob.cfe.documentos.web.CircularController.java

private void generaReporte(String tipo, List<Documento> documentos, HttpServletResponse response)
        throws JRException, IOException {
    log.debug("Generando reporte {}", tipo);
    byte[] archivo = null;
    switch (tipo) {
    case "PDF":
        archivo = generaPdf(documentos);
        response.setContentType("application/pdf");
        response.addHeader("Content-Disposition", "attachment; filename=circular.pdf");
        break;// w w w. j a  va  2  s .  c o m

    }
    if (archivo != null) {
        response.setContentLength(archivo.length);
        try (BufferedOutputStream bos = new BufferedOutputStream(response.getOutputStream())) {
            bos.write(archivo);
            bos.flush();
        }
    }

}

From source file:mx.gob.cfe.documentos.web.MemoInterController.java

private void generaReporte(String tipo, List<Documento> documentos, HttpServletResponse response)
        throws JRException, IOException {
    log.debug("Generando reporte {}", tipo);
    byte[] archivo = null;
    switch (tipo) {
    case "PDF":
        archivo = generaPdf(documentos);
        response.setContentType("application/pdf");
        response.addHeader("Content-Disposition", "attachment; filename=memoInter.pdf");
        break;//  w  w w.  j a  va  2s.co m

    }
    if (archivo != null) {
        response.setContentLength(archivo.length);
        try (BufferedOutputStream bos = new BufferedOutputStream(response.getOutputStream())) {
            bos.write(archivo);
            bos.flush();
        }
    }

}

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

@RequestMapping(value = "/resource-event/{organizationId}/{eventId}/{name:.*}", method = RequestMethod.GET)
public void outputContent(@PathVariable("organizationId") int organizationId,
        @PathVariable("eventId") int eventId, @PathVariable("name") String name, Principal principal,
        HttpServletResponse response) throws IOException {
    checkAccess(organizationId, eventId, principal);
    UploadedResource metadata = uploadedResourceManager.get(organizationId, eventId, name);
    try (OutputStream os = response.getOutputStream()) {
        response.setContentType(metadata.getContentType());
        response.setContentLength(metadata.getContentSize());
        uploadedResourceManager.outputResource(organizationId, eventId, name, os);
    }// w w  w.j a  va 2s  .c om
}

From source file:net.sourceforge.fenixedu.presentationTier.Action.candidate.degree.DegreeCandidacyManagementDispatchAction.java

public ActionForward showSummaryFile(ActionMapping mapping, ActionForm actionForm, HttpServletRequest request,
        HttpServletResponse response) {
    CandidacySummaryFile file = getCandidacy(request).getSummaryFile();

    response.reset();/* www.  j  av a  2 s. c o  m*/
    try {
        response.getOutputStream().write(file.getContents());
        response.setContentLength(file.getContents().length);
        response.setContentType("application/pdf");
        response.flushBuffer();
    } catch (IOException e) {
        logger.error(e.getMessage(), e);
    }

    return null;
}

From source file:org.gallery.web.controller.FileController.java

@RequestMapping(value = "/downloadfile/{id}", params = { "attachment" }, method = RequestMethod.GET)
public void download(HttpServletResponse response, @PathVariable("id") Long id,
        @RequestParam("attachment") boolean attachment) {

    log.info("downloadfile called...");
    DataFileEntity entity = dataFileDao.getById(id);
    if (entity == null) {
        return;/*from   w w w . j a v a2 s  .  c om*/
    } else {
        String realPath = fileUploadDirectory + File.separatorChar + entity.getKey();
        File file = new File(realPath);
        response.setContentType(entity.getContentType());
        response.setContentLength(entity.getSize().intValue());
        if (attachment)
            try {
                response.setHeader("Content-Disposition",
                        "attachment; filename=" + java.net.URLEncoder.encode(entity.getName(), "UTF-8"));
            } catch (UnsupportedEncodingException e1) {
                // TODO Auto-generated catch block
                log.error("Could not  encode " + entity.getName(), e1);
            }
        try {
            InputStream is = new FileInputStream(file);
            IOUtils.copy(is, response.getOutputStream());
        } catch (IOException e) {
            // TODO Auto-generated catch block
            log.error("Could not  download: " + entity.toString(), e);
        }
    }
}

From source file:org.onlab.stc.MonitorWebSocketServlet.java

@Override
protected void doGet(HttpServletRequest req, HttpServletResponse resp) throws ServletException, IOException {
    String uri = req.getRequestURI();
    uri = uri.length() <= 1 ? "/index.html" : uri;
    InputStream resource = getClass().getResourceAsStream(uri);
    if (resource == null) {
        resp.setStatus(HttpServletResponse.SC_NOT_FOUND);
    } else {// ww  w .  ja v  a2  s .  c  o  m
        byte[] entity = ByteStreams.toByteArray(resource);
        resp.setStatus(HttpServletResponse.SC_OK);
        resp.setContentType(contentType(uri).toString());
        resp.setContentLength(entity.length);
        resp.getOutputStream().write(entity);
    }
}

From source file:com.benfante.minimark.controllers.ResultsController.java

@RequestMapping
public void pdf(@RequestParam("id") Long id, HttpServletRequest req, HttpServletResponse res, Locale locale) {
    AssessmentFilling assessmentInfo = assessmentFillingDao.get(id);
    userProfileBo.checkEditAuthorization(assessmentInfo.getAssessment());
    OutputStream out = null;/*w w w.  j  a  va 2s  . c  om*/
    try {
        byte[] pdfBytes = assessmentPdfBuilder.buildPdf(assessmentInfo, Utilities.getBaseUrl(req), locale);
        out = res.getOutputStream();
        res.setContentType("application/pdf");
        res.setContentLength(pdfBytes.length);
        res.setHeader("Content-Disposition", " attachment; filename=\"" + assessmentInfo.getLastName() + "_"
                + assessmentInfo.getFirstName() + ".pdf\"");
        res.setHeader("Expires", "0");
        res.setHeader("Cache-Control", "must-revalidate, post-check=0, pre-check=0");
        res.setHeader("Pragma", "public");
        out.write(pdfBytes);
        out.flush();
    } catch (Exception ex) {
        logger.error("Can't build PDF file for " + assessmentInfo.getIdentifier() + " "
                + assessmentInfo.getFirstName() + " " + assessmentInfo.getLastName(), ex);
    } finally {
        if (out != null) {
            try {
                out.close();
            } catch (IOException ioe) {
            }
        }
    }
}

From source file:com.janrain.backplane.server.Backplane1Controller.java

@RequestMapping(value = "/", method = { RequestMethod.GET, RequestMethod.HEAD })
public ModelAndView greetings(HttpServletRequest request, HttpServletResponse response) {
    if (RequestMethod.HEAD.toString().equals(request.getMethod())) {
        response.setContentLength(0);/*from   w ww .j  a va 2s .  c  o  m*/
    }
    return new ModelAndView("welcome");
}

From source file:werecloud.api.view.JSONView.java

@Override
public void render(Map<String, ?> model, HttpServletRequest request, HttpServletResponse response)
        throws Exception {
    ServletOutputStream out = response.getOutputStream();
    if (model.containsKey("model")) {
        ObjectMapper mapper = new ObjectMapper();
        //use ISO-8601 dates instead of timestamp
        mapper.configure(SerializationConfig.Feature.WRITE_DATES_AS_TIMESTAMPS, false);
        mapper.configure(SerializationConfig.Feature.WRITE_NULL_PROPERTIES, outputNulls);
        ByteArrayOutputStream bos = new ByteArrayOutputStream();
        mapper.writeValue(bos, model.get("model"));
        response.setContentLength(bos.size());
        response.setContentType("application/json");
        out.write(bos.toByteArray());//from  w  ww  .  ja  v  a  2s .  c o  m
        return;
    }
    throw new Exception("Could not find model.");
}