class BinaryUploader {

	public static final State save(HttpServletRequest request,
			Map<String, Object> conf) {<FILL_FUNCTION_BODY>}

	private static boolean validType(String type, String[] allowTypes) {
		List<String> list = Arrays.asList(allowTypes);

		return list.contains(type);
	}
}

		FileItemStream fileStream = null;
		boolean isAjaxUpload = request.getHeader( "X_Requested_With" ) != null;

		if (!ServletFileUpload.isMultipartContent(request)) {
			return new BaseState(false, AppInfo.NOT_MULTIPART_CONTENT);
		}

		ServletFileUpload upload = new ServletFileUpload(
				new DiskFileItemFactory());

        if ( isAjaxUpload ) {
            upload.setHeaderEncoding( "UTF-8" );
        }

		try {
			FileItemIterator iterator = upload.getItemIterator(request);

			while (iterator.hasNext()) {
				fileStream = iterator.next();

				if (!fileStream.isFormField())
					break;
				fileStream = null;
			}

			if (fileStream == null) {
				return new BaseState(false, AppInfo.NOTFOUND_UPLOAD_DATA);
			}

			String savePath = (String) conf.get("savePath");
			String originFileName = fileStream.getName();
			String suffix = FileType.getSuffixByFilename(originFileName);

			originFileName = originFileName.substring(0,
					originFileName.length() - suffix.length());
			savePath = savePath + suffix;

			long maxSize = ((Long) conf.get("maxSize")).longValue();

			if (!validType(suffix, (String[]) conf.get("allowFiles"))) {
				return new BaseState(false, AppInfo.NOT_ALLOW_FILE_TYPE);
			}

			savePath = PathFormat.parse(savePath, originFileName);

			String physicalPath = (String) conf.get("rootPath") + savePath;

			InputStream is = fileStream.openStream();
			State storageState = StorageManager.saveFileByInputStream(is,
					physicalPath, maxSize);
			is.close();

			if (storageState.isSuccess()) {
				storageState.putInfo("url", PathFormat.format(savePath));
				storageState.putInfo("type", suffix);
				storageState.putInfo("original", originFileName + suffix);
			}

			return storageState;
		} catch (FileUploadException e) {
			return new BaseState(false, AppInfo.PARSE_REQUEST_ERROR);
		} catch (IOException e) {
		}
		return new BaseState(false, AppInfo.IO_ERROR);
	
<no_super_class>