How to use

get

method

in

com.avos.avoscloud.AVQuery

/**
 * Retrieve a AVFile object by object id from AVOSCloud.If the file is not found,it will throw
 * java.io.FileNotFoundException.
 *
 * @param objectId
 * @return
 * @throws AVException ,FileNotFoundException
 * @since 2.0.2
 */
public static AVFile withObjectId(String objectId) throws AVException, FileNotFoundException {
 AVQuery<AVObject> query = new AVQuery<AVObject>("_File");
 AVObject object = query.get(objectId);
 if (object != null && !AVUtils.isBlankString(object.getObjectId())) {
  AVFile file = createFileFromAVObject(object);
  return file;
 } else {
  throw new FileNotFoundException("Could not find file object by id:" + objectId);
 }
}

/**
 * Retrieve a AVFile object by object id from AVOSCloud.If the file is not found,it will throw
 * java.io.FileNotFoundException.
 *
 * @param objectId objectId in _File table
 * @return AVFile AVFile instance
 * @throws AVException excpetion if _File table object failed to transfer to AVFile object
 * @throws FileNotFoundException exception if objectId is not invalid
 * @since 2.0.2
 */
public static AVFile withObjectId(String objectId) throws AVException, FileNotFoundException {
 AVQuery<AVObject> query = new AVQuery<AVObject>("_File");
 AVObject object = query.get(objectId);
 if (object != null && !AVUtils.isBlankString(object.getObjectId())) {
  AVFile file = createFileFromAVObject(object);
  return file;
 } else {
  throw new FileNotFoundException("Could not find file object by id:" + objectId);
 }
}