Example usage for javax.servlet.http HttpServletResponse setContentLength

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

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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:br.com.hslife.orcamento.controller.DocumentoController.java

public void baixarArquivo() {
    if (entity.getArquivo() == null || entity.getArquivo().getDados() == null
            || entity.getArquivo().getDados().length == 0) {
        warnMessage("Nenhum arquivo adicionado!");
    } else {//from  w  w w  . ja  va  2  s .  c om
        HttpServletResponse response = (HttpServletResponse) FacesContext.getCurrentInstance()
                .getExternalContext().getResponse();
        try {
            response.setContentType(entity.getArquivo().getContentType());
            response.setHeader("Content-Disposition",
                    "attachment; filename=" + entity.getArquivo().getNomeArquivo());
            response.setContentLength(entity.getArquivo().getDados().length);
            ServletOutputStream output = response.getOutputStream();
            output.write(entity.getArquivo().getDados(), 0, entity.getArquivo().getDados().length);
            FacesContext.getCurrentInstance().responseComplete();
        } catch (Exception e) {
            errorMessage(e.getMessage());
        }
    }
}

From source file:com.igame.app.controller.Image2Controller.java

@RequestMapping(value = "/app-{appid:\\d+}/{id:\\d+}.{type}", method = RequestMethod.GET)
public void picture(HttpServletResponse response, @PathVariable("appid") Long appid,
        @PathVariable("id") long id) {
    log.debug("picture --> appid:{} , id:{}", appid, id);
    Image image = imageService.get(id);
    File imageFile = new File(fileUploadDirectory + "/" + "app-" + appid + "/" + image.getNewFilename());
    response.setContentType(image.getContentType());
    response.setContentLength(image.getSize().intValue());
    try {//from   ww  w  .  j  a v a2  s.c  o  m
        InputStream is = new FileInputStream(imageFile);
        IOUtils.copy(is, response.getOutputStream());
    } catch (IOException e) {
        log.error("Could not show picture " + id, e);
    }
}

From source file:org.socialhistoryservices.pid.controllers.QRController.java

/**
 * Create a QR image for the PID/*ww w  . j a v  a  2 s  .  c  om*/
 *
 * @param na
 * @param id
 * @param locAtt
 * @param handleResolverBaseUrl
 * @param width
 * @param height
 * @param response
 * @throws Exception
 */
@RequestMapping("/{na}/{id:.*}")
public void encodeimage(@PathVariable("na") String na, @PathVariable("id") String id,
        @RequestParam(value = "locatt", required = false) String locAtt,
        @RequestParam(value = "r", required = false, defaultValue = "http://hdl.handle.net/") String handleResolverBaseUrl,
        @RequestParam(value = "width", required = false, defaultValue = "0") int width,
        @RequestParam(value = "height", required = false, defaultValue = "0") int height,
        HttpServletResponse response) throws Exception {

    byte[] image;
    if (!handleResolverBaseUrl.endsWith("/"))
        handleResolverBaseUrl += "/";
    image = qrService.encode(handleResolverBaseUrl, na + "/" + id, locAtt, width, height);
    if (image == null) {
        image = qrService.qr404image();
        response.setStatus(404);
    }
    response.setContentType("image/png");
    response.setContentLength(image.length);
    response.getOutputStream().write(image);
}

From source file:com.devnexus.ting.web.controller.PresentationController.java

@RequestMapping(value = "/s/presentations/{presentationId}/slides", method = RequestMethod.GET)
public void getPresentationSlides(@PathVariable("presentationId") Long presentationId,
        HttpServletResponse response) {

    final FileData presentationFileData = businessService.getPresentationFileData(presentationId);

    if (presentationFileData != null) {

        response.setContentType("application/octet-stream");
        response.setHeader("Content-disposition",
                "attachment; filename=\"" + presentationFileData.getName() + "\"");
        response.setContentLength(presentationFileData.getFileSize().intValue());
        try {/*w  w  w  . j a va 2  s.c  om*/
            IOUtils.write(presentationFileData.getFileData(), response.getOutputStream());
        } catch (IOException e) {
            throw new IllegalStateException(e);
        }

    } else {
        try {
            response.sendError(HttpServletResponse.SC_NOT_FOUND);
        } catch (IOException e) {
            throw new IllegalStateException(e);
        }
    }

}

From source file:com.id.get.expand.spring.MarshallingView.java

@Override
protected void renderMergedOutputModel(Map<String, Object> model, HttpServletRequest request,
        HttpServletResponse response) throws Exception {

    Object toBeMarshalled = locateToBeMarshalled(model);
    if (toBeMarshalled == null) {
        throw new ServletException("Unable to locate object to be marshalled in model: " + model);
    }/*from  w  w  w .ja v a 2 s.co  m*/
    ByteArrayOutputStream baos = new ByteArrayOutputStream(1024);
    this.marshaller.marshal(toBeMarshalled, new StreamResult(baos));

    setResponseContentType(request, response);
    response.setContentLength(baos.size());
    baos.writeTo(response.getOutputStream());
}

From source file:org.openmrs.module.cloneandexportomrs.web.controller.CloneandexportOpenMRSManageController.java

private void exportZipFile(HttpServletResponse response, int BUFFER_SIZE, String fullPath)
        throws FileNotFoundException, IOException {
    if (fullPath != null) {
        File downloadFile = new File(fullPath);
        FileInputStream inputStream = new FileInputStream(downloadFile);
        String mimeType = "application/octet-stream";

        System.out.println("MIME type: " + mimeType);
        response.setContentType(mimeType);
        response.setContentLength((int) downloadFile.length());

        String headerKey = "Content-Disposition";
        String headerValue = String.format("attachment; filename=\"%s\"", downloadFile.getName());

        response.setHeader(headerKey, headerValue);

        OutputStream outStream = response.getOutputStream();
        byte[] buffer = new byte[BUFFER_SIZE];
        int bytesRead = -1;

        while ((bytesRead = inputStream.read(buffer)) != -1) {
            outStream.write(buffer, 0, bytesRead);
        }//from  w  ww .  ja  v  a2 s  .  com
        inputStream.close();
        outStream.close();
        (new File(fullPath)).delete();
    }
}

From source file:com.civilizer.web.handler.ResourceHttpRequestHandler.java

/**
 * Set headers on the given servlet response.
 * Called for GET requests as well as HEAD requests.
 * @param response current servlet response
 * @param resource the identified resource (never {@code null})
 * @param mediaType the resource's media type (never {@code null})
 * @throws IOException in case of errors while setting the headers
 */// w ww  . j a v a 2s  . c  o  m
protected void setHeaders(HttpServletResponse response, Resource resource, MediaType mediaType)
        throws IOException {
    long length = resource.contentLength();
    if (length > Integer.MAX_VALUE) {
        throw new IOException("Resource content too long (beyond Integer.MAX_VALUE): " + resource);
    }
    response.setContentLength((int) length);

    if (mediaType != null) {
        response.setContentType(mediaType.toString());
    }
}

From source file:architecture.ee.web.spring.controller.DownloadController.java

@RequestMapping(value = "/export", method = RequestMethod.POST)
public void exportProxy(@RequestParam(value = "fileName", required = true) String fileName,
        @RequestParam(value = "contentType", required = true) String contentType,
        @RequestParam(value = "base64", required = true) String base64, HttpServletResponse response)
        throws IOException {

    byte[] content = Base64.decodeBase64(base64);
    response.setContentType(contentType);
    response.setContentLength(content.length);
    response.setHeader("ContentDisposition", "attachment;filename=" + URLEncoder.encode(fileName, "UTF-8"));
    response.getOutputStream().write(content);
    response.flushBuffer();/*from   ww w.jav  a  2 s  . com*/
}

From source file:com.test.mvc.FileUploadController.java

@RequestMapping(value = "/download", method = RequestMethod.POST)
public void download(HttpServletRequest request, HttpServletResponse response) throws IOException {
    String filePath = request.getParameter("filePath");
    File downloadFile = new File(filePath);
    OutputStream outStream;/*w  w w . j a  v  a  2s  .  c  om*/
    try (FileInputStream inputStream = new FileInputStream(downloadFile)) {
        String mimeType = request.getParameter("contentType");
        if (mimeType == null) {
            mimeType = "application/octet-stream";
        }
        response.setContentType(mimeType);
        response.setContentLength((int) downloadFile.length());
        String headerKey = "Content-Disposition";
        String headerValue = String.format("attachment; filename=\"%s\"", downloadFile.getName());
        response.setHeader(headerKey, headerValue);
        outStream = response.getOutputStream();
        byte[] buffer = new byte[BUFFER_SIZE];
        int bytesRead = -1;
        while ((bytesRead = inputStream.read(buffer)) != -1) {
            outStream.write(buffer, 0, bytesRead);
        }
    }
    outStream.close();
}