SampleGalleryLister.java

//merging http://commons.apache.org/net/api/org/apache/commons/net/ftp/FTPClient.html
//and http://vafer.org/blog/20071112204524
ftpClient = getConnectedFTPClient();


public class GalleryLister{
  public FTPClient mFtp;
  public ArrayList mAccumulator;
  private String sep = "|";
  private String prefix = "";
  public GalleryLister(FTPClient ftp, ArrayList accumulator){
    mFtp = ftp;
    mAccumulator = accumulator;
    
  }
  public final void traverse(FTPFile f) {
    if(f.isDirectory()){
      prefix.concat(sep);
      onDirectory(f);
      //change to the directory
      mFtp.changeWorkingDirectory(f.getName());
      final FTPFile[] children = mFtp.listFiles();
      for(FTPFile child : children){
        traverse(child);
      }
      //return to parent directory
      mFtp.changeToParentDirectory();
      prefix = prefix.substring(1);
    }
  }
  public void onDirectory(final FTPFile d){

  }
  public void onFile(final FTPFile f){
  }
}