code: /* LanguageTool, a natural language style checker 
   * Copyright (C) 2007 Daniel Naber (http://www.danielnaber.de)
   * 
   * This library is free software; you can redistribute it and/or
   * modify it under the terms of the GNU Lesser General Public
   * License as published by the Free Software Foundation; either
   * version 2.1 of the License, or (at your option) any later version.
   *
   * This library is distributed in the hope that it will be useful,
   * but WITHOUT ANY WARRANTY; without even the implied warranty of
   * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
   * Lesser General Public License for more details.
   *
   * You should have received a copy of the GNU Lesser General Public
   * License along with this library; if not, write to the Free Software
   * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301
   * USA
   */
  package org.languagetool.language;
  
  import java.io.File;
  
  /**
   * Thrown if external rule filename doesn't match the required format.
   */
  public class RuleFilenameException extends RuntimeException {
  
    private static final long serialVersionUID = 6642163394764392897L;
  
    public RuleFilenameException(File file) {
      super("Rule file must be named rules-<xx>-<lang>.xml (<xx> = language code, " +
          "<lang> = language name),\n" +
          "for example: rules-en-English.xml\n" +
          "Current name: " + file.getName());
    }
    
  }
  