public static void copyStream(InputStream is, OutputStream os) throws IOException {
int count;
byte[] buffer = new byte[1024];
while ((count = is.read(buffer)) > 0) os.write(buffer, 0, count);
}
/**
* 文件的上传服务
*
* @param request
* @return
* @throws FileUploadException
* @throws IOException
*/
public FileRepository uploadFile(HttpServletRequest request)
throws FileUploadException, IOException {
boolean isMultipartContent = ServletFileUpload.isMultipartContent(request);
FileRepository fileRepository = null;
if (isMultipartContent) {
FileItemFactory factory = new DiskFileItemFactory();
ServletFileUpload upload = new ServletFileUpload(factory);
List<FileItem> items = upload.parseRequest(request);
for (Iterator<FileItem> iterator = items.iterator(); iterator.hasNext(); ) {
FileItem item = iterator.next();
InputStream inputStream = item.getInputStream();
// 获得文件名
String fileName = item.getName();
String fileExtension = FileUtil.getFileExtension(fileName);
// 获得文件的Extension类型
MimeTypeExtension mimeTypeExtension =
mimeTypeExtensionService.findByMimeTypeExtensionName(fileExtension);
fileRepository = new FileRepository();
FixEntityUtil.fixEntity(fileRepository);
String fileRepoId = fileRepository.getId();
fileRepository.setMimeTypeExtensionName(fileExtension);
if (mimeTypeExtension.getMimeType() != null) {
fileRepository.setMimeTypeName(mimeTypeExtension.getMimeType().getMimeTypeName());
}
fileRepository.setFileName(fileName);
String datePath = new SimpleDateFormat("yyyy/MM/dd").format(new Date());
String saveFilePath = Config.UPLOAD_FILE_PATH + "/" + datePath + "/";
File file = new File(saveFilePath);
if (!file.exists()) {
file.mkdirs();
}
file = new File(saveFilePath + fileRepoId + ".xzsoft");
ByteArrayOutputStream out = new ByteArrayOutputStream();
int byteRead = 0;
byte[] buffer = new byte[8192];
while ((byteRead = inputStream.read(buffer, 0, 8192)) != -1) {
out.write(buffer, 0, byteRead);
}
inputStream.close();
// 将上传的文件变Base64加密过的字符串
String content = Base64.encode(out.toByteArray());
out.close();
// 将加密过后的数据存储到硬盘中
FileWriter fileWriter = new FileWriter(file);
BufferedWriter bw = new BufferedWriter(fileWriter);
bw.write(content);
bw.flush();
fileWriter.flush();
bw.close();
fileWriter.close();
}
} else {
throw new NotMultipartRequestException("上传的文件里面没有Multipart内容");
}
return fileRepository;
}