/*

 * Copyright (c) 1999, 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

 * or visit www.oracle.com if you need additional information or have any

 * questions.

 */

package sun.misc;

/**

 * This interface defines the contract a extension installation capable

 * provided to the extension installation dependency mechanism to

 * install new extensions on the user's disk

 *

 * @author  Jerome Dochez

 */

public interface ExtensionInstallationProvider {

    /*

     * <p>

     * Request the installation of an extension in the extension directory

     * </p>

     *

     * @param requestExtInfo information on the extension that need to be

     * installed

     * @param installedExtInfo information on the current compatible installed

     * extension. Can be null if no current installation has been found.

     * @return true if the installation is successful, false if the

     * installation could not be attempted.

     * @exception ExtensionInstallationException if an installation was

     * attempted but did not succeed.

     */

    boolean installExtension(ExtensionInfo requestExtInfo,

                             ExtensionInfo installedExtInfo)

        throws ExtensionInstallationException;

}