1 /*
2 * Licensed to the Apache Software Foundation (ASF) under one or more
3 * contributor license agreements. See the NOTICE file distributed with
4 * this work for additional information regarding copyright ownership.
5 * The ASF licenses this file to You under the Apache License, Version 2.0
6 * (the "License"); you may not use this file except in compliance with
7 * the License. You may obtain a copy of the License at
8 *
9 * http://www.apache.org/licenses/LICENSE-2.0
10 *
11 * Unless required by applicable law or agreed to in writing, software
12 * distributed under the License is distributed on an "AS IS" BASIS,
13 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
14 * See the License for the specific language governing permissions and
15 * limitations under the License.
16 */
17 package org.apache.commons.fileupload.util;
18
19 import java.io.IOException;
20
21
22 /**
23 * Interface of an object, which may be closed.
24 */
25 public interface Closeable {
26 /**
27 * Closes the object.
28 * @throws IOException An I/O error occurred.
29 */
30 void close() throws IOException;
31
32 /**
33 * Returns, whether the object is already closed.
34 * @return True, if the object is closed, otherwise false.
35 * @throws IOException An I/O error occurred.
36 */
37 boolean isClosed() throws IOException;
38 }