Java

Synchronize Local Directory Tree

See more FTP Examples

Downloads files from the FTP server to a local directory tree. Synchronization modes include:

mode=0: Download all files
mode=1: Download all files that do not exist on the local filesystem.
mode=2: Download newer or non-existant files.
mode=3: Download only newer files. If a file does not already exist on the local filesystem, it is not downloaded from the server..
mode=5: Download only missing files or files with size differences.
mode=6: Same as mode 5, but also download newer files.
mode=99: Do not download files, but instead delete remote files that do not exist locally. Chilkat2 Java

import com.chilkatsoft.chilkat2.ChilkatException;
import com.chilkatsoft.chilkat2.Ftp2;

public class ChilkatExample {

    public static void main(String[] args) {
        // This example requires the Chilkat API to have been previously unlocked.
        // See Global Unlock Sample for sample code.

        Ftp2 ftp = new Ftp2();

        ftp.setHostname("ftp.example.com");
        ftp.setUsername("login");
        ftp.setPassword("password");

        ftp.setKeepSessionLog(true);

        // Connect and login to the FTP server.
        try {
            ftp.connect();

            // Set the current remote directory to the root of
            // the tree to be downloaded.
            ftp.changeRemoteDir("/subDir1");
        } catch (ChilkatException e) {
            System.out.println(e.getLastErrorText());
            return;
        }

        // Recursively download all non-existant and newer files.
        int mode = 2;
        try {
            ftp.syncLocalTree("c:/temp/subDir1", mode);
        } catch (ChilkatException e) {
            System.out.println(e.getLastErrorText());
            return;
        }

        ftp.disconnect();

        // Display the session log.
        System.out.println(ftp.getSessionLog());
    }
}