| /* |
| * 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 com.android.server.pm.pkg; |
| |
| import android.annotation.NonNull; |
| import android.annotation.Nullable; |
| import android.content.pm.ApplicationInfo; |
| |
| import java.util.Collections; |
| import java.util.List; |
| import java.util.Objects; |
| |
| /** @hide */ |
| public class AndroidPackageSplitImpl implements AndroidPackageSplit { |
| |
| @Nullable |
| private final String mName; |
| @NonNull |
| private final String mPath; |
| private final int mRevisionCode; |
| private final int mFlags; |
| @Nullable |
| private final String mClassLoaderName; |
| |
| @NonNull |
| private List<AndroidPackageSplit> mDependencies = Collections.emptyList(); |
| |
| public AndroidPackageSplitImpl(@Nullable String name, @NonNull String path, int revisionCode, |
| int flags, @Nullable String classLoaderName) { |
| mName = name; |
| mPath = path; |
| mRevisionCode = revisionCode; |
| mFlags = flags; |
| mClassLoaderName = classLoaderName; |
| } |
| |
| public void fillDependencies(@NonNull List<AndroidPackageSplit> splits) { |
| if (!mDependencies.isEmpty()) { |
| throw new IllegalStateException("Cannot fill split dependencies more than once"); |
| } |
| mDependencies = splits; |
| } |
| |
| @Nullable |
| @Override |
| public String getName() { |
| return mName; |
| } |
| |
| @NonNull |
| @Override |
| public String getPath() { |
| return mPath; |
| } |
| |
| @Override |
| public int getRevisionCode() { |
| return mRevisionCode; |
| } |
| |
| @Override |
| public boolean isHasCode() { |
| return (mFlags & ApplicationInfo.FLAG_HAS_CODE) != 0; |
| } |
| |
| @Nullable |
| @Override |
| public String getClassLoaderName() { |
| return mClassLoaderName; |
| } |
| |
| @NonNull |
| @Override |
| public List<AndroidPackageSplit> getDependencies() { |
| return mDependencies; |
| } |
| |
| @Override |
| public boolean equals(Object o) { |
| if (this == o) return true; |
| if (!(o instanceof AndroidPackageSplitImpl)) return false; |
| AndroidPackageSplitImpl that = (AndroidPackageSplitImpl) o; |
| var fieldsEqual = mRevisionCode == that.mRevisionCode && mFlags == that.mFlags && Objects.equals( |
| mName, that.mName) && Objects.equals(mPath, that.mPath) |
| && Objects.equals(mClassLoaderName, that.mClassLoaderName); |
| |
| if (!fieldsEqual) return false; |
| if (mDependencies.size() != that.mDependencies.size()) return false; |
| |
| // Should be impossible, but to avoid circular dependencies, |
| // only search 1 level deep using split name |
| for (int index = 0; index < mDependencies.size(); index++) { |
| if (!Objects.equals(mDependencies.get(index).getName(), |
| that.mDependencies.get(index).getName())) { |
| return false; |
| } |
| } |
| |
| return true; |
| } |
| |
| @Override |
| public int hashCode() { |
| // Should be impossible, but to avoid circular dependencies, |
| // only search 1 level deep using split name |
| var dependenciesHash = Objects.hash(mName, mPath, mRevisionCode, mFlags, mClassLoaderName); |
| for (int index = 0; index < mDependencies.size(); index++) { |
| var name = mDependencies.get(index).getName(); |
| dependenciesHash = 31 * dependenciesHash + (name == null ? 0 : name.hashCode()); |
| } |
| return dependenciesHash; |
| } |
| } |