/*

 * Copyright (c) 2000, Oracle and/or its affiliates. All rights reserved.

 * 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

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 */

package com.sun.java.browser.dom;

public abstract class DOMServiceProvider

{

    /**

     * An empty constructor is provided. Implementations should

     * provide a public constructor so that the DOMService

     * can instantiate instances of the implementation class.

     * Application programmers should not be able to directly

     * construct implementation subclasses of this abstract subclass.

     * The only way an application should be able to obtain a

     * reference to a DOMServiceProvider implementation

     * instance is by using the appropriate methods of the

     * DOMService.

     */

    public DOMServiceProvider()

    {

    }

    /**

     * Returns true if the DOMService can determine the association

     * between the obj and the underlying DOM in the browser.

     */

    public abstract boolean canHandle(Object obj);

    /**

     * Returns the Document object of the DOM.

     */

    public abstract org.w3c.dom.Document getDocument(Object obj) throws DOMUnsupportedException;

    /**

     * Returns the DOMImplemenation object of the DOM.

     */

    public abstract org.w3c.dom.DOMImplementation getDOMImplementation();

}