    001/*
    002 * Licensed to the Apache Software Foundation (ASF) under one or more
    003 * contributor license agreements.  See the NOTICE file distributed with
    004 * this work for additional information regarding copyright ownership.
    005 * The ASF licenses this file to You under the Apache License, Version 2.0
    006 * (the "License"); you may not use this file except in compliance with
    007 * the License.  You may obtain a copy of the License at
    008 *
    009 *      http://www.apache.org/licenses/LICENSE-2.0
    010 *
    011 * Unless required by applicable law or agreed to in writing, software
    012 * distributed under the License is distributed on an "AS IS" BASIS,
    013 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
    014 * See the License for the specific language governing permissions and
    015 * limitations under the License.
    016 */
    017package org.apache.commons.fileupload.util;
    018
    019import java.io.IOException;
    020
    021/**
    022 * Interface of an object, which may be closed.
    023 */
    024public interface Closeable {
    025
    026    /**
    027     * Closes the object.
    028     *
    029     * @throws IOException An I/O error occurred.
    030     */
    031    void close() throws IOException;
    032
    033    /**
    034     * Returns, whether the object is already closed.
    035     *
    036     * @return True, if the object is closed, otherwise false.
    037     * @throws IOException An I/O error occurred.
    038     */
    039    boolean isClosed() throws IOException;
    040
    041}