139 lines
4.1 KiB
Java
139 lines
4.1 KiB
Java
/**
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* Copyright (C) 2018 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package android.hardware.radio;
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import android.annotation.NonNull;
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import android.annotation.Nullable;
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import android.os.Parcel;
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import android.os.Parcelable;
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import android.os.RemoteException;
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import java.util.ArrayList;
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import java.util.Collection;
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import java.util.HashMap;
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import java.util.HashSet;
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import java.util.Map;
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import java.util.Objects;
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import java.util.Set;
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final class Utils {
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private static final String TAG = "BroadcastRadio.utils";
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static void writeStringMap(@NonNull Parcel dest, @Nullable Map<String, String> map) {
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if (map == null) {
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dest.writeInt(0);
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return;
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}
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dest.writeInt(map.size());
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for (Map.Entry<String, String> entry : map.entrySet()) {
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dest.writeString(entry.getKey());
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dest.writeString(entry.getValue());
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}
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}
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static @NonNull Map<String, String> readStringMap(@NonNull Parcel in) {
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int size = in.readInt();
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Map<String, String> map = new HashMap<>(size);
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while (size-- > 0) {
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String key = in.readString();
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String value = in.readString();
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map.put(key, value);
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}
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return map;
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}
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static void writeStringIntMap(@NonNull Parcel dest, @Nullable Map<String, Integer> map) {
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if (map == null) {
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dest.writeInt(0);
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return;
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}
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dest.writeInt(map.size());
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for (Map.Entry<String, Integer> entry : map.entrySet()) {
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dest.writeString(entry.getKey());
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dest.writeInt(entry.getValue());
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}
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}
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static @NonNull Map<String, Integer> readStringIntMap(@NonNull Parcel in) {
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int size = in.readInt();
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Map<String, Integer> map = new HashMap<>(size);
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while (size-- > 0) {
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String key = in.readString();
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int value = in.readInt();
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map.put(key, value);
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}
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return map;
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}
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static <T extends Parcelable> void writeSet(@NonNull Parcel dest, @Nullable Set<T> set) {
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if (set == null) {
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dest.writeInt(0);
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return;
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}
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dest.writeInt(set.size());
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set.stream().forEach(elem -> dest.writeTypedObject(elem, 0));
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}
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static <T> Set<T> createSet(@NonNull Parcel in, Parcelable.Creator<T> c) {
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int size = in.readInt();
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Set<T> set = new HashSet<>(size);
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while (size-- > 0) {
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set.add(in.readTypedObject(c));
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}
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return set;
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}
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static void writeIntSet(@NonNull Parcel dest, @Nullable Set<Integer> set) {
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if (set == null) {
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dest.writeInt(0);
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return;
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}
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dest.writeInt(set.size());
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set.stream().forEach(elem -> dest.writeInt(Objects.requireNonNull(elem)));
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}
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static Set<Integer> createIntSet(@NonNull Parcel in) {
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int size = in.readInt();
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Set<Integer> set = new HashSet<>(size);
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while (size-- > 0) {
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set.add(in.readInt());
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}
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return set;
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}
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static <T extends Parcelable> void writeTypedCollection(@NonNull Parcel dest,
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@Nullable Collection<T> coll) {
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ArrayList<T> list = null;
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if (coll != null) {
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if (coll instanceof ArrayList) {
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list = (ArrayList) coll;
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} else {
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list = new ArrayList<>(coll);
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}
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}
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dest.writeTypedList(list);
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}
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static void close(ICloseHandle handle) {
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try {
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handle.close();
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} catch (RemoteException ex) {
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ex.rethrowFromSystemServer();
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}
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}
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}
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