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) 2004 World Wide Web Consortium,
   *
   * (Massachusetts Institute of Technology, European Research Consortium for
   * Informatics and Mathematics, Keio University). All Rights Reserved. This
   * work is distributed under the W3C(r) Software License [1] 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.
   *
   * [1] http://www.w3.org/Consortium/Legal/2002/copyright-software-20021231
   */
  
  package org.w3c.dom;
  
  import org.w3c.dom.DOMImplementation;
  import org.w3c.dom.DOMImplementationList;
  
  /**
   * This interface permits a DOM implementer to supply one or more
   * implementations, based upon requested features and versions, as specified
   * in <a href='http://www.w3.org/TR/2004/REC-DOM-Level-3-Core-20040407/core.html#DOMFeatures'>DOM
   * Features</a>. Each implemented <code>DOMImplementationSource</code> object is
   * listed in the binding-specific list of available sources so that its
   * <code>DOMImplementation</code> objects are made available.
   * <p>See also the <a href='http://www.w3.org/TR/2004/REC-DOM-Level-3-Core-20040407'>Document Object Model (DOM) Level 3 Core Specification</a>.
   * @since DOM Level 3
   */
  public interface DOMImplementationSource {
      /**
       *  A method to request the first DOM implementation that supports the
       * specified features.
       * @param features  A string that specifies which features and versions
       *   are required. This is a space separated list in which each feature
       *   is specified by its name optionally followed by a space and a
       *   version number.  This method returns the first item of the list
       *   returned by <code>getDOMImplementationList</code>.  As an example,
       *   the string <code>"XML 3.0 Traversal +Events 2.0"</code> will
       *   request a DOM implementation that supports the module "XML" for its
       *   3.0 version, a module that support of the "Traversal" module for
       *   any version, and the module "Events" for its 2.0 version. The
       *   module "Events" must be accessible using the method
       *   <code>Node.getFeature()</code> and
       *   <code>DOMImplementation.getFeature()</code>.
       * @return The first DOM implementation that support the desired
       *   features, or <code>null</code> if this source has none.
       */
      public DOMImplementation getDOMImplementation(String features);
  
      /**
       * A method to request a list of DOM implementations that support the
       * specified features and versions, as specified in .
       * @param features A string that specifies which features and versions
       *   are required. This is a space separated list in which each feature
       *   is specified by its name optionally followed by a space and a
       *   version number. This is something like: "XML 3.0 Traversal +Events
       *   2.0"
       * @return A list of DOM implementations that support the desired
       *   features.
       */
      public DOMImplementationList getDOMImplementationList(String features);
  
  }
  