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
18 package org.apache.commons.io.input;
19
20 import java.io.IOException;
21
22 /**
23 * Package-wide internals for input.
24 */
25 class Input {
26
27 /**
28 * Throws an IOException on false input.
29 *
30 * @param isOpen whether an input is open or not.
31 * @throws IOException if {@code isOpen} is false indicating an input is closed.
32 */
33 static void checkOpen(final boolean isOpen) throws IOException {
34 if (!isOpen) {
35 throw new IOException("Closed");
36 }
37 }
38
39 }