b922dccbf5
Test: Build with gradle Flag: NA Change-Id: I3ef17090741d14bebd76cf09cf3dc5ac4f11e686
68 lines
1.9 KiB
Java
68 lines
1.9 KiB
Java
/*
|
|
* Copyright (C) 2017 The Android Open Source Project
|
|
*
|
|
* Licensed under the Apache License, Version 2.0 (the "License");
|
|
* you may not use this file except in compliance with the License.
|
|
* You may obtain a copy of the License at
|
|
*
|
|
* http://www.apache.org/licenses/LICENSE-2.0
|
|
*
|
|
* Unless required by applicable law or agreed to in writing, software
|
|
* distributed under the License is distributed on an "AS IS" BASIS,
|
|
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
|
* See the License for the specific language governing permissions and
|
|
* limitations under the License.
|
|
*/
|
|
|
|
package com.android.launcher3.util;
|
|
|
|
import android.os.FileUtils;
|
|
import android.util.Log;
|
|
|
|
import com.android.launcher3.config.FeatureFlags;
|
|
|
|
import java.io.ByteArrayOutputStream;
|
|
import java.io.Closeable;
|
|
import java.io.File;
|
|
import java.io.FileInputStream;
|
|
import java.io.IOException;
|
|
import java.io.InputStream;
|
|
import java.io.OutputStream;
|
|
|
|
/**
|
|
* Supports various IO utility functions
|
|
*/
|
|
public class IOUtils {
|
|
|
|
private static final int BUF_SIZE = 0x1000; // 4K
|
|
private static final String TAG = "IOUtils";
|
|
|
|
public static byte[] toByteArray(File file) throws IOException {
|
|
try (InputStream in = new FileInputStream(file)) {
|
|
return toByteArray(in);
|
|
}
|
|
}
|
|
|
|
public static byte[] toByteArray(InputStream in) throws IOException {
|
|
ByteArrayOutputStream out = new ByteArrayOutputStream();
|
|
copy(in, out);
|
|
return out.toByteArray();
|
|
}
|
|
|
|
public static long copy(InputStream from, OutputStream to) throws IOException {
|
|
return FileUtils.copy(from, to);
|
|
}
|
|
|
|
public static void closeSilently(Closeable c) {
|
|
if (c != null) {
|
|
try {
|
|
c.close();
|
|
} catch (IOException e) {
|
|
if (FeatureFlags.IS_STUDIO_BUILD) {
|
|
Log.d(TAG, "Error closing", e);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|