/* * @(#)Patcher.java	1.8 03/01/23 *  * Copyright 2004 Sun Microsystems, Inc. All rights reserved. * SUN PROPRIETARY/CONFIDENTIAL. Use is subject to license terms. */package jnlp.sample.jardiff;import java.io.IOException;import java.io.OutputStream;import java.net.URL;/** * Patcher describes the necessary method to apply and create deltas. * * @version 1.8, 01/23/03 */public interface Patcher {    /**     * Applies a patch previously created with <code>createPatch</code>.     * Pass in a delegate to be notified of the status of the patch.     */    public void applyPatch(PatchDelegate delegate, String oldJarPath,                           String deltaPath, OutputStream result) throws IOException;            /**     * Callback used when patching a file.     */    public interface PatchDelegate {        public void patching(int percentDone);    }}