Java nfs-clientパッケージに基づいてNFSプロトコルを実現linuxサーバに接続してファイルのアップロードとダウンロード操作のソースコードを行う

// https://mvnrepository.com/artifact/com.emc.ecs/nfs-client
    compile group: 'com.emc.ecs', name: 'nfs-client', version: '1.0.3'

package com.xl;

import com.emc.ecs.nfsclient.nfs.io.Nfs3File;
import com.emc.ecs.nfsclient.nfs.io.NfsFileInputStream;
import com.emc.ecs.nfsclient.nfs.io.NfsFileOutputStream;
import com.emc.ecs.nfsclient.nfs.nfs3.Nfs3;
import com.emc.ecs.nfsclient.rpc.CredentialUnix;

import java.io.*;

public class NfsTransferFile {

    private static final String NFS_IP = "192.168.0.101";
    private static final String NFS_DIR = "/data/nfs";

    public static void main(String[] args) {
        uploadFileToNfs();
        //downLoadFileFromNfs();
    }

    //       Nfs       
    public static void uploadFileToNfs() {
        String localDir = "F:\\look\\look.txt";
        InputStream inputStream = null;
        OutputStream outputStream = null;
        try {
            //          
            File localFile = new File(localDir);
            //          ，         Nfs              
            String localFileName = localFile.getName();
            Nfs3 nfs3 = new Nfs3(NFS_IP, NFS_DIR, new CredentialUnix(0, 0, null), 3);
            //        Nfs    
            Nfs3File NfsFile = new Nfs3File(nfs3, "/" + localFileName);
            //         
            inputStream = new BufferedInputStream(new FileInputStream(localFile));
            //      Nfs     ，          
            outputStream = new BufferedOutputStream(new NfsFileOutputStream(NfsFile));

            //    
            byte[] buffer = new byte[1024];
            while ((inputStream.read(buffer)) != -1) {
                outputStream.write(buffer);
            }
            System.out.println("      ！");
        } catch (Exception ex) {
            ex.printStackTrace();
        } finally {
            try {
                if (outputStream != null) {
                    outputStream.close();
                }
                if (inputStream != null) {
                    inputStream.close();
                }
            } catch (IOException ex) {
                ex.printStackTrace();
            }
        }
    }

    // Nfs                
    public static void downLoadFileFromNfs() {
        String NfsFileDir = "/look.txt";
        String localDir = "F:\\look\\";
        InputStream inputStream = null;
        OutputStream outputStream = null;
        try {
            Nfs3 nfs3 = new Nfs3(NFS_IP, NFS_DIR, new CredentialUnix(0, 0, null), 3);
            //        Nfs    
            Nfs3File nfsFile = new Nfs3File(nfs3, NfsFileDir);
            String localFileName = localDir + nfsFile.getName();
            //          
            File localFile = new File(localFileName);
            //         
            inputStream = new BufferedInputStream(new NfsFileInputStream(nfsFile));
            //      Nfs     ，          
            outputStream = new BufferedOutputStream(new FileOutputStream(localFile));

            //    
            byte[] buffer = new byte[1024];

            while (inputStream.read(buffer) != -1) {
                outputStream.write(buffer);
            }
            System.out.println("      ！");
        } catch (IOException ex) {
            ex.printStackTrace();
        } finally {
            try {
                if (outputStream != null) {
                    outputStream.close();
                }
                if (inputStream != null) {
                    inputStream.close();
                }
            } catch (Exception e) {
                e.printStackTrace();
            }
        }
    }
}