Hadoop HDFS编程 API入门系列之HdfsUtil版本1（六）

　　不多说，直接上代码。

代码

package zhouls.bigdata.myWholeHadoop.HDFS.hdfs2;

import java.io.FileOutputStream;
import java.io.IOException;

import org.apache.commons.io.IOUtils;
import org.apache.hadoop.conf.Configuration;
import org.apache.hadoop.fs.FSDataInputStream;
import org.apache.hadoop.fs.FileSystem;
import org.apache.hadoop.fs.Path;

public class HdfsUtil {

    
    public static void main(String[] args) throws IOException {
        
        // to upload a file to hdfs
        
        Configuration conf = new Configuration();
        
        FileSystem fs = FileSystem.get(conf);
        
        Path src = new Path("hdfs://HadoopMaster:9000/jdk-7u65-linux-i586.tar.gz");
        
        FSDataInputStream in = fs.open(src);
        
        FileOutputStream os = new FileOutputStream("/home/hadoop/download/jdk.tgz");
        
        IOUtils.copy(in, os);        
    }    
}