1 /*
2  * Copyright (C) 2016 The Android Open Source Project
3  *
4  * Licensed under the Apache License, Version 2.0 (the "License");
5  * you may not use this file except in compliance with the License.
6  * You may obtain a copy of the License at
7  *
8  *      http://www.apache.org/licenses/LICENSE-2.0
9  *
10  * Unless required by applicable law or agreed to in writing, software
11  * distributed under the License is distributed on an "AS IS" BASIS,
12  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13  * See the License for the specific language governing permissions and
14  * limitations under the License.
15  */
16 
17 package com.android.tools.build.apkzlib.utils;
18 
19 import java.io.IOException;
20 import java.io.UncheckedIOException;
21 import javax.annotation.Nonnull;
22 
23 /**
24  * Runnable that can throw I/O exceptions.
25  */
26 @FunctionalInterface
27 public interface IOExceptionRunnable {
28 
29     /**
30      * Runs the runnable.
31      *
32      * @throws IOException failed to run
33      */
run()34     void run() throws IOException;
35 
36     /**
37      * Wraps a runnable that may throw an IO Exception throwing an {@code UncheckedIOException}.
38      *
39      * @param r the runnable
40      */
41     @Nonnull
asRunnable(@onnull IOExceptionRunnable r)42     public static Runnable asRunnable(@Nonnull IOExceptionRunnable r) {
43         return () -> {
44             try {
45                 r.run();
46             } catch (IOException e) {
47                 throw new UncheckedIOException(e);
48             }
49         };
50     }
51 }
52