| /* |
| * 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 android.content.pm; |
| |
| import android.content.pm.PackageParser.Package; |
| import android.os.Build; |
| |
| import com.android.internal.annotations.VisibleForTesting; |
| import com.android.internal.util.ArrayUtils; |
| |
| import java.util.ArrayList; |
| |
| /** |
| * Modifies {@link Package} in order to maintain backwards compatibility. |
| * |
| * @hide |
| */ |
| @VisibleForTesting |
| public class PackageBackwardCompatibility { |
| |
| private static final String ANDROID_TEST_MOCK = "android.test.mock"; |
| |
| private static final String ANDROID_TEST_RUNNER = "android.test.runner"; |
| |
| private static final String APACHE_HTTP_LEGACY = "org.apache.http.legacy"; |
| |
| /** |
| * Modify the shared libraries in the supplied {@link Package} to maintain backwards |
| * compatibility. |
| * |
| * @param pkg the {@link Package} to modify. |
| */ |
| @VisibleForTesting |
| public static void modifySharedLibraries(Package pkg) { |
| ArrayList<String> usesLibraries = pkg.usesLibraries; |
| ArrayList<String> usesOptionalLibraries = pkg.usesOptionalLibraries; |
| |
| // Packages targeted at <= O_MR1 expect the classes in the org.apache.http.legacy library |
| // to be accessible so this maintains backward compatibility by adding the |
| // org.apache.http.legacy library to those packages. |
| if (apkTargetsApiLevelLessThanOrEqualToOMR1(pkg)) { |
| boolean apacheHttpLegacyPresent = isLibraryPresent( |
| usesLibraries, usesOptionalLibraries, APACHE_HTTP_LEGACY); |
| if (!apacheHttpLegacyPresent) { |
| usesLibraries = ArrayUtils.add(usesLibraries, APACHE_HTTP_LEGACY); |
| } |
| } |
| |
| // android.test.runner has a dependency on android.test.mock so if android.test.runner |
| // is present but android.test.mock is not then add android.test.mock. |
| boolean androidTestMockPresent = isLibraryPresent( |
| usesLibraries, usesOptionalLibraries, ANDROID_TEST_MOCK); |
| if (ArrayUtils.contains(usesLibraries, ANDROID_TEST_RUNNER) && !androidTestMockPresent) { |
| usesLibraries.add(ANDROID_TEST_MOCK); |
| } |
| if (ArrayUtils.contains(usesOptionalLibraries, ANDROID_TEST_RUNNER) |
| && !androidTestMockPresent) { |
| usesOptionalLibraries.add(ANDROID_TEST_MOCK); |
| } |
| |
| pkg.usesLibraries = usesLibraries; |
| pkg.usesOptionalLibraries = usesOptionalLibraries; |
| } |
| |
| private static boolean apkTargetsApiLevelLessThanOrEqualToOMR1(Package pkg) { |
| int targetSdkVersion = pkg.applicationInfo.targetSdkVersion; |
| return targetSdkVersion <= Build.VERSION_CODES.O_MR1; |
| } |
| |
| private static boolean isLibraryPresent(ArrayList<String> usesLibraries, |
| ArrayList<String> usesOptionalLibraries, String apacheHttpLegacy) { |
| return ArrayUtils.contains(usesLibraries, apacheHttpLegacy) |
| || ArrayUtils.contains(usesOptionalLibraries, apacheHttpLegacy); |
| } |
| } |