67 lines
1.9 KiB
Java
67 lines
1.9 KiB
Java
/*
|
|
* Copyright (C) 2022 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 android.app.sdksandbox;
|
|
|
|
import java.io.File;
|
|
import java.util.List;
|
|
import java.util.Objects;
|
|
|
|
/**
|
|
* Utility class for performing file related operations
|
|
*
|
|
* @hide
|
|
*/
|
|
public class FileUtil {
|
|
|
|
public static final String TAG = "SdkSandboxManager";
|
|
public static final int CONVERSION_FACTOR_FROM_BYTES_TO_KB = 1024;
|
|
|
|
/** Calculate the storage of SDK iteratively */
|
|
public static int getStorageInKbForPaths(List<String> paths) {
|
|
float storageSize = 0;
|
|
for (int i = 0; i < paths.size(); i++) {
|
|
final File dir = new File(paths.get(i));
|
|
|
|
if (Objects.nonNull(dir)) {
|
|
storageSize += getStorageForFiles(dir.listFiles());
|
|
}
|
|
}
|
|
return convertByteToKb(storageSize);
|
|
}
|
|
|
|
private static float getStorageForFiles(File[] files) {
|
|
if (Objects.isNull(files)) {
|
|
return 0;
|
|
}
|
|
|
|
float sizeInBytes = 0;
|
|
|
|
for (File file : files) {
|
|
if (file.isDirectory()) {
|
|
sizeInBytes += getStorageForFiles(file.listFiles());
|
|
} else {
|
|
sizeInBytes += file.length();
|
|
}
|
|
}
|
|
return sizeInBytes;
|
|
}
|
|
|
|
private static int convertByteToKb(float storageSize) {
|
|
return (int) (storageSize / CONVERSION_FACTOR_FROM_BYTES_TO_KB);
|
|
}
|
|
}
|