net.dopan.fastdfs.client.core.UploadCallback Maven / Gradle / Ivy

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package net.dopan.fastdfs.client.core;

import java.io.IOException;
import java.io.OutputStream;

/**
 * 上传文件回调接口
 */
public interface UploadCallback {
  /**
   * send file content callback function, be called only once when the file uploaded
   *
   * @param out output stream for writing file content
   * @return 0 success, return none zero(errno) if fail
   * @throws IOException 异常
   */
  public int send(OutputStream out) throws IOException;
}