Support Environment APIs (fbbfb0c2) · Commits · e / os / android_frameworks_base

core/java/android/os/Environment.java

+123 −51

Original line number	Diff line number	Diff line
		@@ -36,6 +36,10 @@ import android.content.pm.PackageManager;
		import android.os.storage.StorageManager;
		import android.os.storage.StorageVolume;
		import android.provider.MediaStore;
		import android.ravenwood.annotation.RavenwoodKeepWholeClass;
		import android.ravenwood.annotation.RavenwoodRedirect;
		import android.ravenwood.annotation.RavenwoodRedirectionClass;
		import android.ravenwood.annotation.RavenwoodThrow;
		import android.text.TextUtils;
		import android.util.Log;

		@@ -51,6 +55,8 @@ import java.util.UUID;
		/**
		* Provides access to environment variables.
		*/
		@RavenwoodKeepWholeClass
		@RavenwoodRedirectionClass("Environment_ravenwood")
		public class Environment {
		private static final String TAG = "Environment";

		@@ -99,11 +105,11 @@ public class Environment {

		private static final File DIR_ANDROID_ROOT = getDirectory(ENV_ANDROID_ROOT, "/system");
		private static final String DIR_ANDROID_DATA_PATH = getDirectoryPath(ENV_ANDROID_DATA, "/data");
		private static final File DIR_ANDROID_DATA = new File(DIR_ANDROID_DATA_PATH);
		private static final File DIR_ANDROID_DATA = newFilePrep(DIR_ANDROID_DATA_PATH);
		private static final File DIR_ANDROID_EXPAND = getDirectory(ENV_ANDROID_EXPAND, "/mnt/expand");
		private static final File DIR_ANDROID_STORAGE = getDirectory(ENV_ANDROID_STORAGE, "/storage");
		private static final File DIR_DOWNLOAD_CACHE = getDirectory(ENV_DOWNLOAD_CACHE, "/cache");
		private static final File DIR_METADATA = new File("/metadata");
		private static final File DIR_METADATA = newFilePrep("/metadata");
		private static final File DIR_OEM_ROOT = getDirectory(ENV_OEM_ROOT, "/oem");
		private static final File DIR_ODM_ROOT = getDirectory(ENV_ODM_ROOT, "/odm");
		private static final File DIR_VENDOR_ROOT = getDirectory(ENV_VENDOR_ROOT, "/vendor");
		@@ -162,6 +168,51 @@ public class Environment {
		private static Boolean sLegacyStorageAppOp;
		private static Boolean sNoIsolatedStorageAppOp;

		/**
		* On a real device, it's a no-op, but on ravenwood, it'll remap the path such that
		* it'll work on the Ravenwood environment, and also create the directory.
		*
		* We use it on Ravenwood because Ravenwood has no "installd" or anything that'd create the
		* directories for us. OTOH, we can't just create the directories on the device side
		* because we need to set the correct owners/permissions on them, which we can't do here.
		*/
		@RavenwoodRedirect
		private static File prep(File dir) {
		return dir;
		}

		/** Same as {@link #prep(File)} */
		@RavenwoodRedirect
		private static String prep(String dir) {
		return dir;
		}

		/**
		* Same as prep(new File(...)).
		* Must only be used when the path is known to be a directory, not file.
		*/
		private static File newFilePrep(String path) {
		return prep(new File(path));
		}

		/** See {@link #newFilePrep(String)} */
		private static File newFilePrep(String path, String subdir) {
		return prep(new File(path, subdir));
		}

		/** See {@link #newFilePrep(String)} */
		private static File newFilePrep(File path, String subdir) {
		return prep(new File(path, subdir));
		}

		/**
		* On a real device, it's just {@link System#getenv()}, but on Ravenwood, we use a java prop.
		*/
		@RavenwoodRedirect(comment = "Use java props on Ravenwood")
		private static String getEnvPath(String variableName) {
		return System.getenv(variableName);
		}

		static {
		initForCurrentUser();
		}
		@@ -346,7 +397,7 @@ public class Environment {
		*/
		@Deprecated
		public static File getUserSystemDirectory(int userId) {
		return new File(new File(getDataSystemDirectory(), "users"), Integer.toString(userId));
		return newFilePrep(new File(getDataSystemDirectory(), "users"), Integer.toString(userId));
		}

		/**
		@@ -363,7 +414,7 @@ public class Environment {
		*/
		@Deprecated
		public static File getUserConfigDirectory(int userId) {
		return new File(new File(new File(
		return newFilePrep(new File(new File(
		getDataDirectory(), "misc"), "user"), Integer.toString(userId));
		}

		@@ -387,7 +438,7 @@ public class Environment {
		if (TextUtils.isEmpty(volumeUuid)) {
		return DIR_ANDROID_DATA;
		} else {
		return new File("/mnt/expand/" + volumeUuid);
		return newFilePrep("/mnt/expand/" + volumeUuid);
		}
		}

		@@ -396,7 +447,7 @@ public class Environment {
		if (TextUtils.isEmpty(volumeUuid)) {
		return DIR_ANDROID_DATA_PATH;
		} else {
		return getExpandDirectory().getAbsolutePath() + File.separator + volumeUuid;
		return prep(getExpandDirectory().getAbsolutePath() + File.separator + volumeUuid);
		}
		}

		@@ -408,7 +459,7 @@ public class Environment {
		/** {@hide} */
		@UnsupportedAppUsage
		public static File getDataSystemDirectory() {
		return new File(getDataDirectory(), "system");
		return newFilePrep(getDataDirectory(), "system");
		}

		/**
		@@ -418,7 +469,7 @@ public class Environment {
		@SystemApi
		@FlaggedApi(android.crashrecovery.flags.Flags.FLAG_ENABLE_CRASHRECOVERY)
		public static @NonNull File getDataSystemDeviceProtectedDirectory() {
		return buildPath(getDataDirectory(), "system_de");
		return buildPathPrep(getDataDirectory(), "system_de");
		}

		/** Use {@link #getDataSystemDeviceProtectedDirectory()} instead.
		@@ -426,7 +477,7 @@ public class Environment {
		*/
		@Deprecated
		public static @NonNull File getDataSystemDeDirectory() {
		return buildPath(getDataDirectory(), "system_de");
		return buildPathPrep(getDataDirectory(), "system_de");
		}

		/**
		@@ -434,7 +485,7 @@ public class Environment {
		* {@hide}
		*/
		public static File getDataSystemCeDirectory() {
		return buildPath(getDataDirectory(), "system_ce");
		return buildPathPrep(getDataDirectory(), "system_ce");
		}

		/**
		@@ -454,7 +505,7 @@ public class Environment {
		* @hide
		*/
		public static File getDataSystemCeDirectory(int userId) {
		return buildPath(getDataDirectory(), "system_ce", String.valueOf(userId));
		return buildPathPrep(getDataDirectory(), "system_ce", String.valueOf(userId));
		}

		/**
		@@ -474,95 +525,95 @@ public class Environment {
		* @hide
		*/
		public static File getDataSystemDeDirectory(int userId) {
		return buildPath(getDataDirectory(), "system_de", String.valueOf(userId));
		return buildPathPrep(getDataDirectory(), "system_de", String.valueOf(userId));
		}

		/** {@hide} */
		public static File getDataMiscDirectory() {
		return new File(getDataDirectory(), "misc");
		return newFilePrep(getDataDirectory(), "misc");
		}

		/** {@hide} */
		public static File getDataMiscCeDirectory() {
		return buildPath(getDataDirectory(), "misc_ce");
		return buildPathPrep(getDataDirectory(), "misc_ce");
		}

		/** {@hide} */
		public static File getDataMiscCeDirectory(int userId) {
		return buildPath(getDataDirectory(), "misc_ce", String.valueOf(userId));
		return buildPathPrep(getDataDirectory(), "misc_ce", String.valueOf(userId));
		}

		/** {@hide} */
		private static File getDataMiscCeDirectory(String volumeUuid, int userId) {
		return buildPath(getDataDirectory(volumeUuid), "misc_ce", String.valueOf(userId));
		return buildPathPrep(getDataDirectory(volumeUuid), "misc_ce", String.valueOf(userId));
		}

		/** {@hide} */
		public static File getDataMiscCeSharedSdkSandboxDirectory(String volumeUuid, int userId,
		String packageName) {
		return buildPath(getDataMiscCeDirectory(volumeUuid, userId), "sdksandbox",
		return buildPathPrep(getDataMiscCeDirectory(volumeUuid, userId), "sdksandbox",
		packageName, "shared");
		}

		/** {@hide} */
		public static File getDataMiscDeDirectory(int userId) {
		return buildPath(getDataDirectory(), "misc_de", String.valueOf(userId));
		return buildPathPrep(getDataDirectory(), "misc_de", String.valueOf(userId));
		}

		/** {@hide} */
		private static File getDataMiscDeDirectory(String volumeUuid, int userId) {
		return buildPath(getDataDirectory(volumeUuid), "misc_de", String.valueOf(userId));
		return buildPathPrep(getDataDirectory(volumeUuid), "misc_de", String.valueOf(userId));
		}

		/** {@hide} */
		public static File getDataMiscDeSharedSdkSandboxDirectory(String volumeUuid, int userId,
		String packageName) {
		return buildPath(getDataMiscDeDirectory(volumeUuid, userId), "sdksandbox",
		return buildPathPrep(getDataMiscDeDirectory(volumeUuid, userId), "sdksandbox",
		packageName, "shared");
		}

		private static File getDataProfilesDeDirectory(int userId) {
		return buildPath(getDataDirectory(), "misc", "profiles", "cur", String.valueOf(userId));
		return buildPathPrep(getDataDirectory(), "misc", "profiles", "cur", String.valueOf(userId));
		}

		/** {@hide} */
		public static File getDataVendorCeDirectory(int userId) {
		return buildPath(getDataDirectory(), "vendor_ce", String.valueOf(userId));
		return buildPathPrep(getDataDirectory(), "vendor_ce", String.valueOf(userId));
		}

		/** {@hide} */
		public static File getDataVendorDeDirectory(int userId) {
		return buildPath(getDataDirectory(), "vendor_de", String.valueOf(userId));
		return buildPathPrep(getDataDirectory(), "vendor_de", String.valueOf(userId));
		}

		/** {@hide} */
		public static File getDataRefProfilesDePackageDirectory(String packageName) {
		return buildPath(getDataDirectory(), "misc", "profiles", "ref", packageName);
		return buildPathPrep(getDataDirectory(), "misc", "profiles", "ref", packageName);
		}

		/** {@hide} */
		public static File getDataProfilesDePackageDirectory(int userId, String packageName) {
		return buildPath(getDataProfilesDeDirectory(userId), packageName);
		return buildPathPrep(getDataProfilesDeDirectory(userId), packageName);
		}

		/** {@hide} */
		public static File getDataAppDirectory(String volumeUuid) {
		return new File(getDataDirectory(volumeUuid), "app");
		return newFilePrep(getDataDirectory(volumeUuid), "app");
		}

		/** {@hide} */
		public static File getDataStagingDirectory(String volumeUuid) {
		return new File(getDataDirectory(volumeUuid), "app-staging");
		return newFilePrep(getDataDirectory(volumeUuid), "app-staging");
		}

		/** {@hide} */
		public static File getDataUserCeDirectory(String volumeUuid) {
		return new File(getDataDirectory(volumeUuid), DIR_USER_CE);
		return newFilePrep(getDataDirectory(volumeUuid), DIR_USER_CE);
		}

		/** {@hide} */
		public static File getDataUserCeDirectory(String volumeUuid, int userId) {
		return new File(getDataUserCeDirectory(volumeUuid), String.valueOf(userId));
		return newFilePrep(getDataUserCeDirectory(volumeUuid), String.valueOf(userId));
		}

		/** {@hide} */
		@@ -570,7 +621,7 @@ public class Environment {
		public static File getDataUserCePackageDirectory(@Nullable String volumeUuid, int userId,
		@NonNull String packageName) {
		// TODO: keep consistent with installd
		return new File(getDataUserCeDirectory(volumeUuid, userId), packageName);
		return newFilePrep(getDataUserCeDirectory(volumeUuid, userId), packageName);
		}

		/**
		@@ -599,12 +650,12 @@ public class Environment {

		/** {@hide} */
		public static File getDataUserDeDirectory(String volumeUuid) {
		return new File(getDataDirectory(volumeUuid), DIR_USER_DE);
		return newFilePrep(getDataDirectory(volumeUuid), DIR_USER_DE);
		}

		/** {@hide} */
		public static File getDataUserDeDirectory(String volumeUuid, int userId) {
		return new File(getDataUserDeDirectory(volumeUuid), String.valueOf(userId));
		return newFilePrep(getDataUserDeDirectory(volumeUuid), String.valueOf(userId));
		}

		/** {@hide} */
		@@ -612,7 +663,7 @@ public class Environment {
		public static File getDataUserDePackageDirectory(@Nullable String volumeUuid, int userId,
		@NonNull String packageName) {
		// TODO: keep consistent with installd
		return new File(getDataUserDeDirectory(volumeUuid, userId), packageName);
		return newFilePrep(getDataUserDeDirectory(volumeUuid, userId), packageName);
		}

		/**
		@@ -647,7 +698,7 @@ public class Environment {
		* {@hide}
		*/
		public static File getDataPreloadsDirectory() {
		return new File(getDataDirectory(), "preloads");
		return newFilePrep(getDataDirectory(), "preloads");
		}

		/**
		@@ -655,7 +706,7 @@ public class Environment {
		* {@hide}
		*/
		public static File getDataPreloadsDemoDirectory() {
		return new File(getDataPreloadsDirectory(), "demo");
		return newFilePrep(getDataPreloadsDirectory(), "demo");
		}

		/**
		@@ -663,7 +714,7 @@ public class Environment {
		* {@hide}
		*/
		public static File getDataPreloadsAppsDirectory() {
		return new File(getDataPreloadsDirectory(), "apps");
		return newFilePrep(getDataPreloadsDirectory(), "apps");
		}

		/**
		@@ -671,7 +722,7 @@ public class Environment {
		* {@hide}
		*/
		public static File getDataPreloadsMediaDirectory() {
		return new File(getDataPreloadsDirectory(), "media");
		return newFilePrep(getDataPreloadsDirectory(), "media");
		}

		/**
		@@ -680,7 +731,7 @@ public class Environment {
		* {@hide}
		*/
		public static File getDataPreloadsFileCacheDirectory(String packageName) {
		return new File(getDataPreloadsFileCacheDirectory(), packageName);
		return newFilePrep(getDataPreloadsFileCacheDirectory(), packageName);
		}

		/**
		@@ -689,7 +740,7 @@ public class Environment {
		* {@hide}
		*/
		public static File getDataPreloadsFileCacheDirectory() {
		return new File(getDataPreloadsDirectory(), "file_cache");
		return newFilePrep(getDataPreloadsDirectory(), "file_cache");
		}

		/**
		@@ -697,7 +748,7 @@ public class Environment {
		* {@hide}
		*/
		public static File getPackageCacheDirectory() {
		return new File(getDataSystemDirectory(), "package_cache");
		return newFilePrep(getDataSystemDirectory(), "package_cache");
		}

		/**
		@@ -710,9 +761,9 @@ public class Environment {
		@SystemApi
		public static @NonNull Collection<File> getInternalMediaDirectories() {
		final ArrayList<File> res = new ArrayList<>();
		addCanonicalFile(res, new File(Environment.getRootDirectory(), "media"));
		addCanonicalFile(res, new File(Environment.getOemDirectory(), "media"));
		addCanonicalFile(res, new File(Environment.getProductDirectory(), "media"));
		addCanonicalFile(res, newFilePrep(Environment.getRootDirectory(), "media"));
		addCanonicalFile(res, newFilePrep(Environment.getOemDirectory(), "media"));
		addCanonicalFile(res, newFilePrep(Environment.getProductDirectory(), "media"));
		return res;
		}

		@@ -789,6 +840,7 @@ public class Environment {
		* @see #getExternalStorageState()
		* @see #isExternalStorageRemovable()
		*/
		@RavenwoodThrow(blockedBy = StorageManager.class)
		public static File getExternalStorageDirectory() {
		throwIfUserRequired();
		return sCurrentUser.getExternalDirs()[0];
		@@ -796,14 +848,16 @@ public class Environment {

		/** {@hide} */
		@UnsupportedAppUsage
		@RavenwoodThrow(reason = "not supporting env var based API for now")
		public static File getLegacyExternalStorageDirectory() {
		return new File(System.getenv(ENV_EXTERNAL_STORAGE));
		return newFilePrep(getEnvPath(ENV_EXTERNAL_STORAGE));
		}

		/** {@hide} */
		@UnsupportedAppUsage(maxTargetSdk = Build.VERSION_CODES.R, trackingBug = 170729553)
		@RavenwoodThrow(reason = "not supporting env var based API for now")
		public static File getLegacyExternalStorageObbDirectory() {
		return buildPath(getLegacyExternalStorageDirectory(), DIR_ANDROID, DIR_OBB);
		return buildPathPrep(getLegacyExternalStorageDirectory(), DIR_ANDROID, DIR_OBB);
		}

		/**
		@@ -1288,6 +1342,7 @@ public class Environment {
		* {@link #MEDIA_MOUNTED_READ_ONLY}, {@link #MEDIA_SHARED},
		* {@link #MEDIA_BAD_REMOVAL}, or {@link #MEDIA_UNMOUNTABLE}.
		*/
		@RavenwoodThrow(blockedBy = StorageManager.class)
		public static String getExternalStorageState() {
		final File externalDir = sCurrentUser.getExternalDirs()[0];
		return getExternalStorageState(externalDir);
		@@ -1297,6 +1352,7 @@ public class Environment {
		* @deprecated use {@link #getExternalStorageState(File)}
		*/
		@Deprecated
		@RavenwoodThrow(blockedBy = StorageManager.class)
		public static String getStorageState(File path) {
		return getExternalStorageState(path);
		}
		@@ -1311,6 +1367,7 @@ public class Environment {
		* {@link #MEDIA_MOUNTED_READ_ONLY}, {@link #MEDIA_SHARED},
		* {@link #MEDIA_BAD_REMOVAL}, or {@link #MEDIA_UNMOUNTABLE}.
		*/
		@RavenwoodThrow(blockedBy = StorageManager.class)
		public static String getExternalStorageState(File path) {
		final StorageVolume volume = StorageManager.getStorageVolume(path, UserHandle.myUserId());
		if (volume != null) {
		@@ -1328,6 +1385,7 @@ public class Environment {
		* or false if the storage device is built in and cannot be
		* physically removed.
		*/
		@RavenwoodThrow(blockedBy = StorageManager.class)
		public static boolean isExternalStorageRemovable() {
		final File externalDir = sCurrentUser.getExternalDirs()[0];
		return isExternalStorageRemovable(externalDir);
		@@ -1343,6 +1401,7 @@ public class Environment {
		* @throws IllegalArgumentException if the path is not a valid storage
		* device.
		*/
		@RavenwoodThrow(blockedBy = StorageManager.class)
		public static boolean isExternalStorageRemovable(@NonNull File path) {
		final StorageVolume volume = StorageManager.getStorageVolume(path, UserHandle.myUserId());
		if (volume != null) {
		@@ -1366,6 +1425,7 @@ public class Environment {
		* @see DevicePolicyManager#setStorageEncryption(android.content.ComponentName,
		* boolean)
		*/
		@RavenwoodThrow(blockedBy = StorageManager.class)
		public static boolean isExternalStorageEmulated() {
		final File externalDir = sCurrentUser.getExternalDirs()[0];
		return isExternalStorageEmulated(externalDir);
		@@ -1386,6 +1446,7 @@ public class Environment {
		* @throws IllegalArgumentException if the path is not a valid storage
		* device.
		*/
		@RavenwoodThrow(blockedBy = StorageManager.class)
		public static boolean isExternalStorageEmulated(@NonNull File path) {
		final StorageVolume volume = StorageManager.getStorageVolume(path, UserHandle.myUserId());
		if (volume != null) {
		@@ -1407,6 +1468,7 @@ public class Environment {
		* Non-legacy apps can continue to discover and read media belonging to
		* other apps via {@link android.provider.MediaStore}.
		*/
		@RavenwoodThrow(blockedBy = StorageManager.class)
		public static boolean isExternalStorageLegacy() {
		final File externalDir = sCurrentUser.getExternalDirs()[0];
		return isExternalStorageLegacy(externalDir);
		@@ -1427,6 +1489,7 @@ public class Environment {
		* @throws IllegalArgumentException if the path is not a valid storage
		* device.
		*/
		@RavenwoodThrow(blockedBy = StorageManager.class)
		public static boolean isExternalStorageLegacy(@NonNull File path) {
		final Context context = AppGlobals.getInitialApplication();
		final int uid = context.getApplicationInfo().uid;
		@@ -1488,11 +1551,13 @@ public class Environment {
		return sNoIsolatedStorageAppOp;
		}

		@RavenwoodThrow(blockedBy = StorageManager.class)
		private static boolean isScopedStorageEnforced(boolean defaultScopedStorage,
		boolean forceEnableScopedStorage) {
		return defaultScopedStorage && forceEnableScopedStorage;
		}

		@RavenwoodThrow(blockedBy = StorageManager.class)
		private static boolean isScopedStorageDisabled(boolean defaultScopedStorage,
		boolean forceEnableScopedStorage) {
		return !defaultScopedStorage && !forceEnableScopedStorage;
		@@ -1506,6 +1571,7 @@ public class Environment {
		* <p>To request access, use
		* {@link android.provider.Settings#ACTION_MANAGE_APP_ALL_FILES_ACCESS_PERMISSION}.
		*/
		@RavenwoodThrow(blockedBy = AppOpsManager.class)
		public static boolean isExternalStorageManager() {
		final File externalDir = sCurrentUser.getExternalDirs()[0];
		return isExternalStorageManager(externalDir);
		@@ -1518,6 +1584,7 @@ public class Environment {
		* <p>To request access, use
		* {@link android.provider.Settings#ACTION_MANAGE_APP_ALL_FILES_ACCESS_PERMISSION}.
		*/
		@RavenwoodThrow(blockedBy = AppOpsManager.class)
		public static boolean isExternalStorageManager(@NonNull File path) {
		final Context context = Objects.requireNonNull(AppGlobals.getInitialApplication());
		String packageName = Objects.requireNonNull(context.getPackageName());
		@@ -1542,15 +1609,15 @@ public class Environment {
		}
		}

		static File getDirectory(String variableName, String defaultPath) {
		String path = System.getenv(variableName);
		return path == null ? new File(defaultPath) : new File(path);
		private static File getDirectory(String variableName, String defaultPath) {
		return new File(getDirectoryPath(variableName, defaultPath));
		}

		@NonNull
		static String getDirectoryPath(@NonNull String variableName, @NonNull String defaultPath) {
		String path = System.getenv(variableName);
		return path == null ? defaultPath : path;
		private static String getDirectoryPath(
		@NonNull String variableName, @NonNull String defaultPath) {
		String path = getEnvPath(variableName);
		return prep(path == null ? defaultPath : path);
		}

		/** {@hide} */
		@@ -1594,9 +1661,14 @@ public class Environment {
		cur = new File(cur, segment);
		}
		}
		// buildPath may be used for a filepath too, so we can't just always do mkdirs on it.
		return cur;
		}

		private static File buildPathPrep(File base, String... segments) {
		return prep(buildPath(base, segments));
		}

		/**
		* If the given path exists on emulated external storage, return the
		* translated backing path hosted on internal storage. This bypasses any

core/java/android/os/Environment_ravenwood.java

0 → 100644

+84 −0

Original line number	Diff line number	Diff line
		/*
		* Copyright (C) 2025 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.os;

		import android.util.Log;

		import com.android.ravenwood.common.RavenwoodCommonUtils;

		import java.io.File;
		import java.util.Objects;

		/**
		* Ravenwood redirect target class from {@link Environment}.
		*/
		public class Environment_ravenwood {
		private static final String TAG = "Environment_ravenwood";

		private static final boolean VERBOSE = RavenwoodCommonUtils.RAVENWOOD_VERBOSE_LOGGING;

		private Environment_ravenwood() {
		}

		private static volatile File sRootDir;

		/** Called by ravenwood to initialize it. */
		public static void init(File rootDir) {
		sRootDir = Objects.requireNonNull(rootDir);
		}

		/** Redirected from the corresponding {@link Environment} method. */
		static String getEnvPath(String variableName) {
		return System.getProperty("ravenwood.env." + variableName);
		}

		/** Redirected from the corresponding {@link Environment} method. */
		static File prep(File path) {
		prep(path.getAbsolutePath());
		return path;
		}

		/** Redirected from the corresponding {@link Environment} method. */
		static String prep(String path) {
		if (path != null) {
		path = translateAbsolutePathForRavenwood(path);
		if (VERBOSE) {
		Log.v(TAG, "mkdirs: " + path);
		}
		new File(path).mkdirs();
		}
		return path;
		}

		private static String translateAbsolutePathForRavenwood(String path) {
		if (!path.startsWith("/")) {
		throw new RuntimeException(
		"Path doesn't start with a '/'. Actual=" + path);
		}
		var root = Objects.requireNonNull(sRootDir);
		if (path.startsWith(root.toString())) {
		if (VERBOSE) {
		Log.v(TAG, "translate: " + path + " is already translated");
		}
		return path;
		}
		var ret = new File(root, path).getAbsolutePath();
		if (VERBOSE) {
		Log.v(TAG, "translate: " + path + " -> " + ret);
		}
		return ret;
		}
		}

core/tests/coretests/src/android/os/EnvironmentTest.java

+218 −7

File changed.

Preview size limit exceeded, changes collapsed.

ravenwood/junit-impl-src/android/platform/test/ravenwood/RavenwoodContext.java

+1 −2

Original line number	Diff line number	Diff line
		@@ -46,7 +46,6 @@ import java.io.FileInputStream;
		import java.io.FileNotFoundException;
		import java.io.FileOutputStream;
		import java.io.IOException;
		import java.nio.file.Files;
		import java.util.concurrent.Executor;
		import java.util.function.Supplier;

		@@ -89,7 +88,7 @@ public class RavenwoodContext extends RavenwoodBaseContext {
		mMainThread = mainThread;
		mResourcesSupplier = resourcesSupplier;

		mDataDir = Files.createTempDirectory(mPackageName).toFile();
		mDataDir = RavenwoodDriver.sAppDataDir;

		// Services provided by a typical shipping device
		registerService(ClipboardManager.class,

ravenwood/junit-impl-src/android/platform/test/ravenwood/RavenwoodDriver.java

+10 −0

Original line number	Diff line number	Diff line
		@@ -51,6 +51,7 @@ import android.os.Binder;
		import android.os.Build;
		import android.os.Build.VERSION_CODES;
		import android.os.Bundle;
		import android.os.Environment_ravenwood;
		import android.os.HandlerThread;
		import android.os.Looper;
		import android.os.Looper_ravenwood;
		@@ -84,6 +85,7 @@ import org.junit.runner.Description;
		import java.io.File;
		import java.io.IOException;
		import java.io.PrintStream;
		import java.nio.file.Files;
		import java.util.Comparator;
		import java.util.HashMap;
		import java.util.Locale;
		@@ -230,6 +232,9 @@ public class RavenwoodDriver {
		private static final long sCallingIdentity =
		packBinderIdentityToken(false, FIRST_APPLICATION_UID, sMyPid);

		static volatile File sRootDir;
		static volatile File sAppDataDir;

		/**
		* Initialize the global environment.
		*/
		@@ -349,6 +354,11 @@ public class RavenwoodDriver {

		assertMockitoVersion();

		sRootDir = Files.createTempDirectory("ravenwood-root-dir-").toFile();
		sAppDataDir = new File(sRootDir, "data/app/appdatadir/");
		sAppDataDir.mkdirs();
		Environment_ravenwood.init(sRootDir);

		Log.i(TAG, "TargetPackageName=" + sTargetPackageName);
		Log.i(TAG, "TestPackageName=" + sTestPackageName);
		Log.i(TAG, "TargetSdkLevel=" + sTargetSdkLevel);