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:javarestart.controllers.ApplicationController.java

@RequestMapping(value = "/{applicationName}", params = { "resource" }, method = RequestMethod.GET)
public void loadResource(@RequestParam(value = "resource") String resourceName,
        @PathVariable("applicationName") String applicationName, HttpServletResponse response)
        throws Exception {
    AppResourceProvider resourceProvider = getOrRegisterApp(applicationName);
    URLConnection resource = null;
    try {//from   ww  w.  jav  a 2s . c  om
        resource = resourceProvider.load(resourceName);
        resource.connect();
        response.setContentLength(resource.getContentLength());
        IOUtils.copy(resource.getInputStream(), response.getOutputStream());
        response.flushBuffer();
        logger.info("Class or resource loaded: " + resourceName);
    } catch (ResourceNotFoundException e) {
        logger.warning(e.toString());
        response.sendError(404);
    }
}

From source file:com.kwoksys.biz.files.FileService.java

public void download(ResponseContext responseContext, File file) throws FileNotFoundException {
    HttpServletResponse response = responseContext.getResponse();

    response.setContentType(file.getMimeType());
    response.setContentLength(file.getSize());

    // To work around file download problems on IE
    response.setHeader("Pragma", "public"); // For HTTP/1.0 backward compatibility.
    response.setHeader("Cache-Control", "public"); // For HTTP/1.1.

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

    // Get the file in file input stream.
    java.io.File downloadFile = new java.io.File(file.getConfigRepositoryPath(), file.getPhysicalName());

    FileInputStream input = null;
    ServletOutputStream output = null;//from  ww w  .  ja va2s  .co m

    try {
        input = new FileInputStream(downloadFile);
        output = response.getOutputStream();

        byte[] buffer = new byte[10240];
        int read;
        while ((read = input.read(buffer)) > 0) {
            output.write(buffer, 0, read);
        }
    } catch (Exception e) {
        logger.warning("Problem downloading a file: " + e.getMessage());
        throw new FileNotFoundException();

    } finally {
        close(input);
        close(output);
    }
}

From source file:ca.uhn.fhir.rest.server.servlet.ServletRestfulResponse.java

@Override
public Object sendAttachmentResponse(IBaseBinary bin, int stausCode, String contentType) throws IOException {
    addHeaders();/*ww  w . j  av  a  2  s.c o  m*/
    HttpServletResponse theHttpResponse = getRequestDetails().getServletResponse();
    theHttpResponse.setStatus(stausCode);
    theHttpResponse.setContentType(contentType);
    if (bin.getContent() == null || bin.getContent().length == 0) {
        return null;
    } else {
        theHttpResponse.setContentLength(bin.getContent().length);
        ServletOutputStream oos = theHttpResponse.getOutputStream();
        oos.write(bin.getContent());
        oos.close();
        return null;
    }
}

From source file:com.liangc.hq.base.web.AvailabilityBaseServlet.java

protected void sendIcon(HttpServletRequest request, HttpServletResponse response, String url)
        throws IOException {
    response.setStatus(HttpServletResponse.SC_OK);
    response.setContentType("image/gif");
    IconBytes icon = (IconBytes) iconData.get(url);
    response.setContentLength(icon.getLength());
    response.getOutputStream().write(icon.getBytes());
    response.flushBuffer();/*from w w  w .  j ava  2s . c o m*/
}

From source file:laboratorios.CreatePDF.java

/** URIResolver for use by this servlet */

private void sendPDF(byte[] content, HttpServletResponse response) throws IOException {
    //Send the result back to the client
    response.setContentType("application/pdf");
    response.setHeader("Content-Disposition", "attachment; filename=\"etiqueta.pdf\"");
    response.setContentLength(content.length);
    response.getOutputStream().write(content);
    response.getOutputStream().flush();/*from   w  ww.ja va 2s  .  c o  m*/
}

From source file:com.yunmel.syncretic.utils.io.IOUtils.java

/**
 * /*  w ww. j av a 2  s  .com*/
 * 
 * @param filePath 
 * @param fileName ??
 * @param inline ??
 * @throws Exception
 */
public static void downloadFile(HttpServletResponse response, File file, String fileName, boolean inline)
        throws Exception {

    OutputStream outp = null;
    FileInputStream br = null;
    int len = 0;
    try {
        br = new FileInputStream(file);
        response.reset();
        outp = response.getOutputStream();
        outp.flush();
        response.setContentType("application/octet-stream");
        response.setContentLength((int) file.length());
        String header = (inline ? "inline" : "attachment") + ";filename="
                + new String(fileName.getBytes(), "ISO8859-1");
        response.addHeader("Content-Disposition", header);
        byte[] buf = new byte[1024];
        while ((len = br.read(buf)) != -1) {
            outp.write(buf, 0, len);
        }
        outp.flush();
        outp.close();
    } finally {
        if (br != null) {
            if (0 == br.available()) {
                br.close();
            }
        }
    }

}

From source file:org.davidmendoza.esu.web.PerfilController.java

@RequestMapping(value = "/imagen/{perfilId}", method = RequestMethod.GET)
public void obtieneImagen(@PathVariable Long perfilId, HttpServletRequest request,
        HttpServletResponse response) {
    log.info("Imagen Perfil: {}", perfilId);
    Perfil perfil = perfilService.obtiene(perfilId);
    if (perfil != null) {
        if (StringUtils.isNotBlank(perfil.getNombreImagen())) {
            response.setContentType(perfil.getTipoContenido());
            response.setContentLength(perfil.getTamano().intValue());
            try {
                response.getOutputStream().write(perfil.getArchivo());
                return;
            } catch (IOException e) {
                log.error("No se pudo escribir el archivo", e);
                throw new RuntimeException("No se pudo escribir el archivo en el outputstream");
            }//from ww w .  j  a v  a2s. c  o m
        }
    }

    try {
        response.sendRedirect(request.getContextPath() + "/images/sin-foto.jpg");
    } catch (IOException e) {
        log.error("No se pudo obtener la imagen", e);
    }
}

From source file:org.davidmendoza.fileUpload.web.ImageController.java

@RequestMapping(value = "/picture/{id}", method = RequestMethod.GET)
public void picture(HttpServletResponse response, @PathVariable Long id) {
    Image image = imageDao.get(id);
    File imageFile = new File(fileUploadDirectory + "/" + image.getNewFilename());
    response.setContentType(image.getContentType());
    response.setContentLength(image.getSize().intValue());
    try {/*from w  w  w .j a va 2s.c  om*/
        InputStream is = new FileInputStream(imageFile);
        IOUtils.copy(is, response.getOutputStream());
    } catch (IOException e) {
        log.error("Could not show picture " + id, e);
    }
}

From source file:com.sunflower.petal.controller.ImageController.java

@RequestMapping(value = "/picture/{id}", method = RequestMethod.GET)
public void picture(HttpServletResponse response, @PathVariable Long id) {
    Image image = imageService.get(id);
    File imageFile = new File(fileUploadDirectory + "/" + image.getNewFilename());
    response.setContentType(image.getContentType());
    response.setContentLength(image.getSize().intValue());
    try {/* w w w .  ja va 2 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.davidmendoza.fileUpload.web.ImageController.java

@RequestMapping(value = "/thumbnail/{id}", method = RequestMethod.GET)
public void thumbnail(HttpServletResponse response, @PathVariable Long id) {
    Image image = imageDao.get(id);
    File imageFile = new File(fileUploadDirectory + "/" + image.getThumbnailFilename());
    response.setContentType(image.getContentType());
    response.setContentLength(image.getThumbnailSize().intValue());
    try {//from  w  w w .j av a2  s  .  c  om
        InputStream is = new FileInputStream(imageFile);
        IOUtils.copy(is, response.getOutputStream());
    } catch (IOException e) {
        log.error("Could not show thumbnail " + id, e);
    }
}