How do I use the nonstandard class to FTP a file from a server?

John Zukowski

While this class is completely unsupported and it may not be available on a user's runtime, you can use it when available. The following program demonstrates its usage. For some reason the closeServer() call doesn't return with JDK 1.3 so is commented out.


public class FtpExample {

  public static void main(String args[]) throws Exception {

    FtpClient fc;

    String host = args[0];
    String path = args[1];
    String username = args[2];
    String password = args[3];

    int lastSlash = path.lastIndexOf('/');
    String filename = path.substring(lastSlash+1);
    String directory = path.substring(0,lastSlash);

    FtpClient client = new FtpClient(host);
    client.login(username, password);

    InputStream is = client.get(filename);
    BufferedInputStream bis = new BufferedInputStream(is);

    OutputStream os = new FileOutputStream(filename);
    BufferedOutputStream bos = new BufferedOutputStream(os);

    byte[] buffer = new byte[1024];
    int readCount;

    System.out.println("Getting: " + filename);
    while( (readCount = > 0) {
      bos.write(buffer, 0, readCount);
//    client.closeServer();
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