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 * https://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 import java.io.InterruptedIOException;
22
23 /**
24 * Package-wide internals for input.
25 */
26 final class Input {
27
28 /**
29 * Throws an {@link IOException} on false input.
30 *
31 * @param isOpen whether an input is open or not.
32 * @throws IOException if {@code isOpen} is false indicating an input is closed.
33 */
34 static void checkOpen(final boolean isOpen) throws IOException {
35 if (!isOpen) {
36 throw new IOException("Closed");
37 }
38 }
39
40 /**
41 * Converts an {@link InterruptedException} to an {@link InterruptedIOException}.
42 * <p>
43 * The cause of the returned InterruptedIOException is set to the original.
44 * </p>
45 *
46 * @param e The InterruptedException to convert.
47 * @return The converted InterruptedIOException.
48 * @see InterruptedIOException
49 * @see Throwable#initCause(Throwable)
50 * @see Throwable#getCause()
51 */
52 static InterruptedIOException toInterruptedIOException(final InterruptedException e) {
53 final InterruptedIOException iio = new InterruptedIOException(e.getMessage());
54 iio.initCause(e);
55 return iio;
56 }
57 }