content: /*
   * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
   *
   * This code is free software; you can redistribute it and/or modify it
   * under the terms of the GNU General Public License version 2 only, as
   * published by the Free Software Foundation.  Oracle designates this
   * particular file as subject to the "Classpath" exception as provided
   * by Oracle in the LICENSE file that accompanied this code.
   *
   * This code 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 General Public License
   * version 2 for more details (a copy is included in the LICENSE file that
   * accompanied this code).
   *
   * You should have received a copy of the GNU General Public License version
   * 2 along with this work; if not, write to the Free Software Foundation,
   * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
   *
   * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
   * or visit www.oracle.com if you need additional information or have any
   * questions.
   */
  
  /*
   * This file is available under and governed by the GNU General Public
   * License version 2 only, as published by the Free Software Foundation.
   * However, the following notice accompanied the original version of this
   * file and, per its terms, should not be removed:
   *
   * Copyright (c) 2000 World Wide Web Consortium,
   * (Massachusetts Institute of Technology, Institut National de
   * Recherche en Informatique et en Automatique, Keio University). All
   * Rights Reserved. This program is distributed under the W3C's Software
   * Intellectual Property License. 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.
   * See W3C License http://www.w3.org/Consortium/Legal/ for more details.
   */
  
  package org.w3c.dom.stylesheets;
  
  import org.w3c.dom.DOMException;
  
  /**
   *  The <code>MediaList</code> interface provides the abstraction of an
   * ordered collection of media, without defining or constraining how this
   * collection is implemented. An empty list is the same as a list that
   * contains the medium <code>"all"</code>.
   * <p> The items in the <code>MediaList</code> are accessible via an integral
   * index, starting from 0.
   * <p>See also the <a href='http://www.w3.org/TR/2000/REC-DOM-Level-2-Style-20001113'>Document Object Model (DOM) Level 2 Style Specification</a>.
   * @since DOM Level 2
   */
  public interface MediaList {
      /**
       *  The parsable textual representation of the media list. This is a
       * comma-separated list of media.
       */
      public String getMediaText();
      /**
       *  The parsable textual representation of the media list. This is a
       * comma-separated list of media.
       * @exception DOMException
       *   SYNTAX_ERR: Raised if the specified string value has a syntax error
       *   and is unparsable.
       *   <br>NO_MODIFICATION_ALLOWED_ERR: Raised if this media list is
       *   readonly.
       */
      public void setMediaText(String mediaText)
                               throws DOMException;
  
      /**
       *  The number of media in the list. The range of valid media is
       * <code>0</code> to <code>length-1</code> inclusive.
       */
      public int getLength();
  
      /**
       *  Returns the <code>index</code>th in the list. If <code>index</code> is
       * greater than or equal to the number of media in the list, this
       * returns <code>null</code>.
       * @param index  Index into the collection.
       * @return  The medium at the <code>index</code>th position in the
       *   <code>MediaList</code>, or <code>null</code> if that is not a valid
       *   index.
       */
      public String item(int index);
  
      /**
       *  Deletes the medium indicated by <code>oldMedium</code> from the list.
       * @param oldMedium The medium to delete in the media list.
       * @exception DOMException
       *    NO_MODIFICATION_ALLOWED_ERR: Raised if this list is readonly.
       *   <br> NOT_FOUND_ERR: Raised if <code>oldMedium</code> is not in the
       *   list.
       */
      public void deleteMedium(String oldMedium)
                               throws DOMException;
  
      /**
       *  Adds the medium <code>newMedium</code> to the end of the list. If the
       * <code>newMedium</code> is already used, it is first removed.
       * @param newMedium The new medium to add.
       * @exception DOMException
       *    INVALID_CHARACTER_ERR: If the medium contains characters that are
       *   invalid in the underlying style language.
       *   <br> NO_MODIFICATION_ALLOWED_ERR: Raised if this list is readonly.
       */
      public void appendMedium(String newMedium)
                               throws DOMException;
  
  }
  