/* * Copyright (c) 2003, 2004, 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 java.net; import java.io.OutputStream;import java.io.IOException; /** * Represents channels for storing resources in the * ResponseCache. Instances of such a class provide an * OutputStream object which is called by protocol handlers to * store the resource data into the cache, and also an abort() method * which allows a cache store operation to be interrupted and * abandoned. If an IOException is encountered while reading the * response or writing to the cache, the current cache store operation * will be aborted. * * @author Yingxian Wang * @since 1.5 */public abstract class CacheRequest {     /**     * Returns an OutputStream to which the response body can be     * written.     *     * @return an OutputStream to which the response body can     *         be written     * @throws IOException if an I/O error occurs while     *         writing the response body     */    public abstract OutputStream getBody() throws IOException;     /**     * Aborts the attempt to cache the response. If an IOException is     * encountered while reading the response or writing to the cache,     * the current cache store operation will be abandoned.     */    public abstract void abort();}