2018년 4월 5일 목요일

[Java] FTP Client Examples


1. FTP Client Examples

Download: commons-net-3.6


FtpClient.java
1
 2
 3
 4
 5
 6
 7
 8
 9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
public class FtpClient {

    FTPClient ftp = null;

    public FtpClient(String host, String user, String pwd) throws Exception{
        ftp = new FTPClient();
        ftp.addProtocolCommandListener(new PrintCommandListener(new PrintWriter(System.out)));
        ftp.connect(host);
        int reply = ftp.getReplyCode();
        if( !FTPReply.isPositiveCompletion(reply) ) {
            ftp.disconnect();
            throw new Exception("Exception in connecting to FTP Server");
        }
        ftp.login(user, pwd);
        ftp.setFileType(FTP.BINARY_FILE_TYPE);
        ftp.enterLocalPassiveMode();
    }
    
    public void uploadFile(String localFileFullName, String remoteFileName) throws Exception {
        try( InputStream input = new FileInputStream(new File(localFileFullName)) ) {
            this.ftp.storeFile(remoteFileName, input);
        }
    }

    public void downloadFile(String localFileFullName, String remoteFileName) throws Exception {
        try( OutputStream output = new FileOutputStream(new File(localFileFullName)) ) {
            this.ftp.retrieveFile(remoteFileName, output);
        }
    }
    
    public void makeDirectory(String remoteDirName) throws Exception {
        this.ftp.makeDirectory(remoteDirName);
    }
    
    public void removeDirectory(String remoteDirName) throws Exception {
        this.ftp.removeDirectory(remoteDirName);
    }
    
    public void deleteFile(String remoteFileName) throws Exception {
        this.ftp.deleteFile(remoteFileName);
    }
    
    public void getList(String path) throws IOException {
        FTPFile[] ff = ftp.listFiles();
        for( FTPFile f : ff ) {
            if( f.isDirectory() ) System.out.print( "[");
            System.out.print(f.getName());
            if( f.isDirectory() ) System.out.print( "]");
            System.out.print( " " + f.getSize());
            System.out.print( " " + f.getTimestamp().getTime());
            System.out.println();
        }
    }
    
    public void disconnect() {
        if( this.ftp.isConnected() ) {
            try {
                this.ftp.logout();
                this.ftp.disconnect();
            } catch (IOException e) {
                e.printStackTrace();
            }
        }
    }
}


Usage:

1
 2
 3
 4
 5
 6
 7
 8
 9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
static void testUpload() {
        try {
            FtpClient fc = new FtpClient("192.168.0.1", "user", "password");
            fc.uploadFile("D:\\oui_org.txt", "oui.txt");
            fc.disconnect();
        } catch (Exception e) {
            e.printStackTrace();
        }
    }
    
    static void testDownload() {
        try {
            FtpClient fc = new FtpClient("192.168.0.1", "user", "password");
            fc.downloadFile("D:\\oui_xxx.txt", "oui.txt");
            fc.disconnect();
        } catch (Exception e) {
            e.printStackTrace();
        }
    }

    static void testMakeDirectory() {
        try {
            FtpClient fc = new FtpClient("192.168.0.1", "user", "password");
            fc.makeDirectory("xxxx-yyyy");
            fc.disconnect();
        } catch (Exception e) {
            e.printStackTrace();
        }
    }
    
    static void testRemoveDirectory() {
        try {
            FtpClient fc = new FtpClient("192.168.0.1", "user", "password");
            fc.removeDirectory("xxxxyyyy");
            fc.disconnect();
        } catch (Exception e) {
            e.printStackTrace();
        }
    }
    
    static void testDeleteFile() {
        try {
            FtpClient fc = new FtpClient("192.168.0.1", "user", "password");
            fc.deleteFile("out.txt");
            fc.disconnect();
        } catch (Exception e) {
            e.printStackTrace();
        }
    }

    static void testGetList() {
        try {
            FtpClient fc = new FtpClient("192.168.0.1", "user", "password");
            fc.getList("/home/user");
            fc.disconnect();
        } catch (Exception e) {
            e.printStackTrace();
        }
    }
    
    public static void main(String[] args) {
        testUpload();
        testDownload();
        testMakeDirectory();
        testRemoveDirectory();
        testDeleteFile();
        testGetList();
    }





on
라벨:

댓글 없음:

댓글 쓰기

피드 구독하기: 댓글 (Atom)