/**
* Download file entry of given path.
*
* @param user current user
* @param path user
* @param response response
*/
@RequestMapping("/download/**")
public void download(User user, @RemainedPath String path, HttpServletResponse response) {
FileEntry fileEntry = fileEntryService.getFileEntry(user, path);
if (fileEntry == null) {
LOG.error("{} requested to download not existing file entity {}", user.getUserId(), path);
return;
}
response.reset();
try {
response.addHeader(
"Content-Disposition",
"attachment;filename="
+ java.net.URLEncoder.encode(FilenameUtils.getName(fileEntry.getPath()), "utf8"));
} catch (UnsupportedEncodingException e1) {
LOG.error(e1.getMessage(), e1);
}
response.setContentType("application/octet-stream; charset=UTF-8");
response.addHeader("Content-Length", "" + fileEntry.getFileSize());
byte[] buffer = new byte[4096];
ByteArrayInputStream fis = null;
OutputStream toClient = null;
try {
fis = new ByteArrayInputStream(fileEntry.getContentBytes());
toClient = new BufferedOutputStream(response.getOutputStream());
int readLength;
while (((readLength = fis.read(buffer)) != -1)) {
toClient.write(buffer, 0, readLength);
}
} catch (IOException e) {
throw new NGrinderRuntimeException("error while download file", e);
} finally {
IOUtils.closeQuietly(fis);
IOUtils.closeQuietly(toClient);
}
}
