/**
* @param is
* @param upToken
* @param key
* @param mimeType
* @param streamLength
* @return 获得upload后执行execute方法，返回 CallRet upload。execute()
*/
public static StreamSliceUpload upload(
InputStream is, String upToken, String key, String mimeType, long streamLength) {
StreamSliceUpload upload = new StreamSliceUpload(is, upToken, key, mimeType, streamLength);
upload.httpClient = Http.getClient();
return upload;
}
/**
* @param file
* @param upToken
* @param key
* @param mimeType
* @param resumeClass
* @return 获得upload后执行execute方法，返回 CallRet upload。execute()
*/
public static RandomAccessFileUpload upload(
File file, String upToken, String key, String mimeType) {
RandomAccessFileUpload upload = new RandomAccessFileUpload(file, upToken, key, mimeType);
upload.httpClient = Http.getClient();
return upload;
}