// Clear file of special characters and spaces

import java.io.File;

public class CleanPath {

  private String preLine = "";

  public String cleanThumbPth(String tmp) {
    File f = new File(tmp);

    // if it's a directory, don't remove the extention
    if (f.isDirectory()) {
      System.out.println("This is a a directory.");
    }
    String name = f.getName();
    final int lastPeriodPos = name.lastIndexOf('.');
    if (lastPeriodPos <= 0) {
      preLine = "" + name;
    } else {
      // Remove the last period and everything after it
      File renamed = new File(f.getParent(), name.substring(0, lastPeriodPos));
      preLine = "" + renamed;
      preLine = preLine.replaceAll("[^A-Za-z]+", "");
      preLine = preLine.replaceAll("\\s+", "");
    }
    return preLine;
  }
}