Uploading files to the HDFs file system via Javaapi

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 UploadFile {

public static void Main (string[] args) {

try {

String localsrc = "E://temp/117227.jpg";

String DST = "hdfs://ip:8020/tmp/hadoop-xiaohu/117227.jpg";

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.print (".");

}

});

Ioutils.copybytes (in, out, 4096, true);

SYSTEM.OUT.PRINTLN ("Success");

} catch (Exception e) {

E.printstacktrace ();

}

}

}

After successful upload, open 50070 view via browser, select

Browse Directory

The file list is displayed.

This article is from "Learning God linux--star Moon Love" blog, please be sure to keep this source http://xuegodxingyue.blog.51cto.com/5989753/1904018

Uploading files to the HDFs file system via Javaapi