content: /*
   * Copyright (C) 2013 4th Line GmbH, Switzerland
   *
   * The contents of this file are subject to the terms of either the GNU
   * Lesser General Public License Version 2 or later ("LGPL") or the
   * Common Development and Distribution License Version 1 or later
   * ("CDDL") (collectively, the "License"). You may not use this file
   * except in compliance with the License. See LICENSE.txt for more
   * information.
   *
   * This program 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.
   */
  
  package org.fourthline.cling.model.message.header;
  
  /**
   * @author Christian Bauer
   */
  public class EXTHeader extends UpnpHeader<String> {
  
      // That's just an empty header! Isn't that great...
      public final static String DEFAULT_VALUE = "";
  
      public EXTHeader() {
          setValue(DEFAULT_VALUE);
      }
  
      public void setString(String s) throws InvalidHeaderException {
          if (s != null && s.length() > 0) {
              throw new InvalidHeaderException("Invalid EXT header, it has no value: " + s);
          }
      }
  
      public String getString() {
          return getValue();
      }
  }
  