Upload de arquivos em Java

package br.com.boamoradia.code;

import java.io.File;
import java.io.FileInputStream;
import java.io.FileNotFoundException;
import java.io.IOException;

import javax.imageio.stream.FileImageInputStream;

import org.apache.http.HttpEntity;
import org.apache.http.HttpResponse;
import org.apache.http.client.ClientProtocolException;
import org.apache.http.client.HttpClient;
import org.apache.http.client.methods.HttpGet;
import org.apache.http.client.methods.HttpPost;
import org.apache.http.entity.ContentType;
import org.apache.http.entity.InputStreamEntity;
import org.apache.http.entity.mime.MultipartEntityBuilder;
import org.apache.http.impl.client.BasicResponseHandler;
import org.apache.http.impl.client.DefaultHttpClient;

public class Main {
    public static void main(String[] args) {
        Main m = new Main();
        try {
            m.test();
        } catch (ClientProtocolException e) {
            System.out.println("PROTOCOL ERROR:");
            e.printStackTrace();
        } catch (IOException e) {
            System.out.println("IO ERROR:");
            e.printStackTrace();
        }
    }

    public void test() throws ClientProtocolException, IOException{
        String url = "http://localhost";
        File f = new File("/home/armando/Downloads/inteligências.txt");

        HttpClient client = new DefaultHttpClient();
        //HttpGet request = new HttpGet(url);
        HttpPost request = new HttpPost(url);

        MultipartEntityBuilder b = MultipartEntityBuilder.create();
        b.addBinaryBody("file",f,ContentType.APPLICATION_OCTET_STREAM,"file.ext");
        //b.addTextBody("name","armando");
        HttpEntity ett = b.build();

        request.setEntity(ett);
        HttpResponse response = client.execute(request);
        String responseString = new BasicResponseHandler().handleResponse(response);
        System.out.println(responseString);

    }
}