@RequestMapping(method = RequestMethod.POST)
public String onSubmit(FileUpload fileUpload, BindingResult errors, HttpServletRequest request)
throws Exception {
if (validator != null) { // validator is null during testing
validator.validate(fileUpload, errors);
if (errors.hasErrors()) {
return "uploadForm";
}
}
// validate a file was entered
if (fileUpload.getFile().length == 0) {
Object[] args = new Object[] {getText("uploadForm.file", request.getLocale())};
errors.rejectValue("file", "errors.required", args, "File");
return "uploadForm";
}
MultipartHttpServletRequest multipartRequest = (MultipartHttpServletRequest) request;
CommonsMultipartFile file = (CommonsMultipartFile) multipartRequest.getFile("file");
// the directory to upload to
String uploadDir =
getServletContext().getRealPath("/resources") + "/" + request.getRemoteUser() + "/";
// Create the directory if it doesn't exist
File dirPath = new File(uploadDir);
if (!dirPath.exists()) {
dirPath.mkdirs();
}
// retrieve the file data
InputStream stream = file.getInputStream();
// write the file to the file specified
OutputStream bos = new FileOutputStream(uploadDir + file.getOriginalFilename());
int bytesRead;
byte[] buffer = new byte[8192];
while ((bytesRead = stream.read(buffer, 0, 8192)) != -1) {
bos.write(buffer, 0, bytesRead);
}
bos.close();
// close the stream
stream.close();
// place the data into the request for retrieval on next page
request.setAttribute("friendlyName", fileUpload.getName());
request.setAttribute("fileName", file.getOriginalFilename());
request.setAttribute("contentType", file.getContentType());
request.setAttribute("size", file.getSize() + " bytes");
request.setAttribute(
"location", dirPath.getAbsolutePath() + Constants.FILE_SEP + file.getOriginalFilename());
String link = request.getContextPath() + "/resources" + "/" + request.getRemoteUser() + "/";
request.setAttribute("link", link + file.getOriginalFilename());
return getSuccessView();
}
@Override
public File getFile() throws IOException {
return fileUpload.getFile();
}