On 22 May 2011 15:19, Ehsun Behravesh <[email protected]> wrote:
In future, please start the subject with the Commons component, i.e.
[NET] as I have done in the reply.
> I use the following piece of code to upload a *photo* to a *ftp* host. But
> the photo seems *to be corrupted after being uploaded: There are narrow gray
> lines at the bottom of the photo.*
>
> The size of gray lines could be decreased by decreasing the Buffer Size of
> the FTPClient object.
Which version of Commons Net are you using?
What is the FTP server software?
Can you successfully upload the same file using a different FTP client?
> import java.io.File;
> import java.io.FileInputStream;
> import java.util.logging.Level;
> import java.util.logging.Logger;
> import org.apache.commons.net.ftp.FTPClient;
> import java.io.IOException;
> import java.io.InputStream;
> import org.apache.commons.net.ftp.FTP;
> import org.apache.commons.net.ftp.FTPReply;
> import sun.misc.Cleaner;
>
> public class FtpConnectDemo1 {
> public static void main(String[] args) {
> FTPClient client = new FTPClient();
> try {
> client.connect("ftp.ftpsite.com");
> //
> // When login success the login method returns true.
> //
> boolean login = client.login("[email protected]", "pass");
> if (login) {
> System.out.println("Login success...");
> int replay = client.getReplyCode();
> if (FTPReply.isPositiveCompletion(replay)) {
> File file = new
> File("C:\\Users\\e.behravesh\\Pictures\\me2_rect.jpg");
> FileInputStream input = new FileInputStream(file);
> client.setFileType(FTP.BINARY_FILE_TYPE);
The setFileType method returns a boolean - you should check that it is true.
> if (!client.storeFile(file.getName(), input)) {
> System.out.println("upload failed!");
> }
> input.close();
> }
> //
> // When logout success the logout method returns true.
> //
> boolean logout = client.logout();
> if (logout) {
> System.out.println("Logout from FTP server...");
> }
> } else {
> System.out.println("Login fail...");
> }
> } catch (Exception e) {
> e.printStackTrace();
> } finally {
> try {
> //
> // Closes the connection to the FTP server
> //
> client.disconnect();
> } catch (IOException e) {
> e.printStackTrace();
> }
> }
> }
> }
The code looks OK - apart from failing to check if the setFileType
method has succeeded.
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