Download an FTP Text File into a StringBuilder

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Demonstrates the Chilkat Ftp2.GetFileSb method, which downloads a remote text file, decodes it with a charset, and appends the text to a StringBuilder. The arguments are the remote file path, the charset, and the StringBuilder.

// Important: Don't forget to include the call to System.loadLibrary
// as shown at the bottom of this code sample.
package com.test;

import android.app.Activity;
import com.chilkatsoft.*;

import android.widget.TextView;
import android.os.Bundle;

public class SimpleActivity extends Activity {

  private static final String TAG = "Chilkat";

  // Called when the activity is first created.
  @Override
  public void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);

    boolean success = false;

    //  Demonstrates the Ftp2.GetFileSb method, which downloads a remote text file, decodes it, and
    //  appends the text to a StringBuilder.  The 1st argument is the remote file path, the 2nd is the
    //  charset, and the 3rd is the StringBuilder.

    CkFtp2 ftp = new CkFtp2();

    ftp.put_Hostname("ftp.example.com");
    ftp.put_Username("myFtpLogin");

    //  Normally you would not hard-code the password in source.  You should instead obtain it
    //  from an interactive prompt, environment variable, or a secrets vault.
    ftp.put_Password("myPassword");

    success = ftp.Connect();
    if (success == false) {
        Log.i(TAG, ftp.lastErrorText());
        return;
        }

    //  The StringBuilder is not cleared automatically, so clear it first for replacement behavior.
    CkStringBuilder sb = new CkStringBuilder();
    success = ftp.GetFileSb("public_html/data.csv","utf-8",sb);
    if (success == false) {
        Log.i(TAG, ftp.lastErrorText());
        return;
        }

    Log.i(TAG, "Characters downloaded: " + String.valueOf(sb.get_Length()));
    String fileText = sb.getAsString();
    Log.i(TAG, fileText);

    success = ftp.Disconnect();
    if (success == false) {
        Log.i(TAG, ftp.lastErrorText());
        return;
        }


  }

  static {
      System.loadLibrary("chilkat");

      // Note: If the incorrect library name is passed to System.loadLibrary,
      // then you will see the following error message at application startup:
      //"The application <your-application-name> has stopped unexpectedly. Please try again."
  }
}