1 /*
2  * Copyright 2019 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.car.apps.common.util;
18 
19 import java.io.IOException;
20 import java.io.InputStream;
21 import java.io.OutputStream;
22 
23 /** Misc IO utilities. */
24 public class CarAppsIOUtils {
25 
26     /** The default buffer size used in this class. */
27     private static final int DEFAULT_BUFFER_SIZE = 1024 * 4;
28 
29     /** Copies the data from one stream to the other. */
copy(InputStream input, OutputStream output)30     public static void copy(InputStream input, OutputStream output) throws IOException {
31         byte[] buffer = new byte[DEFAULT_BUFFER_SIZE];
32         int n;
33         while (-1 != (n = input.read(buffer))) {
34             output.write(buffer, 0, n);
35         }
36     }
37 }
38