content: /*
   * 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 mf.org.w3c.dom;
  
  /**
   * This interface permits a DOM implementer to supply one or more
   * implementations, based upon requested features and versions, as specified
   * in . 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.
       */
      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.
       */
      DOMImplementationList getDOMImplementationList(String features);
  
  }
  