Recursive directory deletion in Java

/*w  w w  .java  2 s.co  m*/
import java.io.File;

public class Main {
  public static boolean delete(String filePath, boolean recursive) {
      File file = new File(filePath);
      if (!file.exists()) {
          return true;
      }

      if (!recursive || !file.isDirectory())
          return file.delete();

      String[] list = file.list();
      for (int i = 0; i < list.length; i++) {
          if (!delete(filePath + File.separator + list[i], true))
              return false;
      }

      return file.delete();
  }
}