/** * Copyright (C) 2008 Happy Fish / YuQing * * FastDFS Java Client may be copied only under the terms of the GNU Lesser * General Public License (LGPL). * Please visit the FastDFS Home Page http://www.csource.org/ for more detail. */ package org.csource.fastdfs; import java.io.*; import java.util.*; import java.net.*; import org.csource.common.*; /** * Download file callback interface * @author Happy Fish / YuQing * @version Version 1.4 */ public interface DownloadCallback { /** * recv file content callback function, may be called more than once when the file downloaded * @param file_size file size * @param data data buff * @param bytes data bytes * @return 0 success, return none zero(errno) if fail */ public int recv(long file_size, byte[] data, int bytes); }