//将本地文件复制到复制到Hadoop文件系统//目前，，其他Hadoop文件系统写入文件时均不调用progress()方法。package com;import java.io.BufferedInputStream;import java.io.FileInputStream;import java.io.InputStream;import java.io.OutputStream;import java.net.URI;import org.apache.hadoop.conf.Configuration;import org.apache.hadoop.fs.FileSystem;import org.apache.hadoop.fs.Path;import org.apache.hadoop.io.IOUtils;import org.apache.hadoop.util.Progressable;public class FileCopyWithProgress {public static void main(String[] args) throws Exception{String localSrc = args[0];String dst = args[1];InputStream in = new BufferedInputStream(new FileInputStream(localSrc));Configuration conf = new Configuration();FileSystem fs = FileSystem.get(URI.create(dst), conf);OutputStream out = fs.create(new Path(dst), new Progressable(){public void progress(){System.out.println(".");}});IOUtils.copyBytes(in, out, 4096, true);}}
不要识途去改变他人，同样，也不要被他人所改变。改了，就不是自己了。
