accessing files via Hadoopapi

/**

* through Hadoop API Access

 *  @throws IOException

*/

@Test

Public void Readfilebyapi () throws ioexception{

Configuration conf = new configuration ();

Conf.set ("Fs.defaultfs", "hdfs://192.168.75.201:8020/");

FileSystem fs = FileSystem. Get (conf);

Path PATH = new path ("/user/index.html");

Fsdatainputstream fis =fs.open (path);

byte [] bytes = new byte[1024];

int len =-1;

Bytearrayoutputstream BAOs = new bytearrayoutputstream ();

while (len = fis.read (bytes))!=-1) {

Baos.write (bytes, 0, Len);

}

System. out. println (new String (Baos.tobytearray ()));

Fis.close ();

Baos.close ();

}

The second way:

/**

* through Hadoop API Access

 *  @throws IOException

*/

@Test

Public void ReadFileByAPI2 () throws ioexception{

Configuration conf = new configuration ();

Conf.set ("Fs.defaultfs", "hdfs://192.168.75.201:8020/");

FileSystem fs = FileSystem. Get (conf);

Path PATH = new path ("/user/index.html");

Fsdatainputstream fis =fs.open (path);

bytearrayoutputstream BAOs = new bytearrayoutputstream ();

Ioutils. copybytes (FIS, BAOs, 1024);

System. out. println (new String (Baos.tobytearray ()));

Fis.close ();

Baos.close ();

}

accessing files via Hadoopapi