| /* |
| * Copyright 2016, 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.managedprovisioning.common; |
| |
| import android.os.Parcel; |
| import android.os.Parcelable; |
| import android.os.PersistableBundle; |
| import androidx.annotation.NonNull; |
| import android.text.TextUtils; |
| import java.util.ArrayList; |
| import java.util.Arrays; |
| import java.util.Collections; |
| import java.util.List; |
| import java.util.Objects; |
| import java.util.Set; |
| |
| public abstract class PersistableBundlable implements Parcelable { |
| public abstract @NonNull PersistableBundle toPersistableBundle(); |
| |
| public static PersistableBundle getPersistableBundleFromParcel(Parcel parcel) { |
| return parcel.readParcelable(PersistableBundle.class.getClassLoader()); |
| } |
| |
| @Override |
| public boolean equals(Object object) { |
| return isPersistableBundlableEquals(this, object); |
| } |
| |
| @Override |
| public int hashCode() { |
| // Concatenated sorted keys should be good enough as a hash |
| List<String> keys = new ArrayList(toPersistableBundle().keySet()); |
| Collections.sort(keys); |
| return TextUtils.join(",", keys).hashCode(); |
| } |
| |
| @Override |
| public int describeContents() { |
| return 0; |
| } |
| |
| @Override |
| public void writeToParcel(Parcel dest, int flags) { |
| dest.writeParcelable(toPersistableBundle(), flags); |
| } |
| |
| private static boolean isPersistableBundlableEquals(PersistableBundlable pb1, Object obj) { |
| if (pb1 == obj) { |
| return true; |
| } |
| if (obj == null || pb1.getClass() != obj.getClass()) { |
| return false; |
| } |
| |
| // obj has to be PersistableBundlable as it has the same class |
| PersistableBundlable pb2 = (PersistableBundlable) obj; |
| return isPersistableBundleEquals(pb1.toPersistableBundle(), pb2.toPersistableBundle()); |
| } |
| |
| /** |
| * Compares two {@link PersistableBundle} objects are equals. |
| */ |
| private static boolean isPersistableBundleEquals(PersistableBundle obj1, PersistableBundle obj2) { |
| if (obj1 == obj2) { |
| return true; |
| } |
| if (obj1 == null || obj2 == null || obj1.size() != obj2.size()) { |
| return false; |
| } |
| Set<String> keys = obj1.keySet(); |
| for (String key : keys) { |
| Object val1 = obj1.get(key); |
| Object val2 = obj2.get(key); |
| if (!isPersistableBundleSupportedValueEquals(val1, val2)) { |
| return false; |
| } |
| } |
| return true; |
| } |
| |
| /** |
| * Compares two values which type is supported by {@link PersistableBundle}. |
| * |
| * <p>If the type isn't supported. The equality is done by {@link Object#equals(Object)}. |
| */ |
| private static boolean isPersistableBundleSupportedValueEquals(Object val1, Object val2) { |
| if (val1 == val2) { |
| return true; |
| } else if (val1 == null || val2 == null || !val1.getClass().equals(val2.getClass())) { |
| return false; |
| } else if (val1 instanceof PersistableBundle) { |
| return isPersistableBundleEquals((PersistableBundle) val1, (PersistableBundle) val2); |
| } else if (val1 instanceof int[]) { |
| return Arrays.equals((int[]) val1, (int[]) val2); |
| } else if (val1 instanceof long[]) { |
| return Arrays.equals((long[]) val1, (long[]) val2); |
| } else if (val1 instanceof double[]) { |
| return Arrays.equals((double[]) val1, (double[]) val2); |
| } else if (val1 instanceof boolean[]) { |
| return Arrays.equals((boolean[]) val1, (boolean[]) val2); |
| } else if (val1 instanceof String[]) { |
| return Arrays.equals((String[]) val1, (String[]) val2); |
| } else { |
| return Objects.equals(val1, val2); |
| } |
| } |
| |
| } |