Java

Check if File Exists

See more SFTP Examples

Demonstrates how to check to see if a file exists. Chilkat2 Java

import com.chilkatsoft.chilkat2.ChilkatException;
import com.chilkatsoft.chilkat2.SFtp;

public class ChilkatExample {

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

        SFtp sftp = new SFtp();

        // Connect to the SSH server.
        String hostname = "sftp.example.com";
        int port = 22;
        try {
            sftp.connect(hostname, port);

            // Authenticate with the SSH server.  Chilkat SFTP supports
            // both password-based authenication as well as public-key
            // authentication.  This example uses password authenication.
            sftp.authenticatePw("myLogin", "myPassword");

            // After authenticating, the SFTP subsystem must be initialized:
            sftp.initializeSftp();
        } catch (ChilkatException e) {
            System.out.println(e.getLastErrorText());
            return;
        }

        // Check to see if a file exists

        // The return value is one of the following values:
        // -1: Unable to check. Examine the LastErrorText to determine the reason for failure.
        // 0: File does not exist.
        // 1: The regular file exists.
        // 2: It exists, but it is a directory.
        // 3: It exists, but it is a symlink (only possible if followLinks is false)
        // 4: It exists, but it is a special filesystem entry type.
        // 5: It exists, but it is an unkown filesystem entry type.
        // 6: It exists, but it is an socket filesystem entry type.
        // 7: It exists, but it is an char device entry type.
        // 8: It exists, but it is an block device entry type.
        // 9: It exists, but it is an FIFO entry type.

        boolean followLinks = true;
        int status = sftp.fileExists("someDir/someFile.txt", followLinks);
        if (status < 0) {
            System.out.println(sftp.getLastErrorText());
            return;
        }

        System.out.println("status = " + status);

        System.out.println("Success");
    }
}