content: /*
   * Copyright 2021 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.google.android.exoplayer2.util;
  
  import android.os.Bundle;
  import android.os.IBinder;
  import androidx.annotation.Nullable;
  import java.lang.reflect.InvocationTargetException;
  import java.lang.reflect.Method;
  
  /** Utilities for {@link Bundle}. */
  public final class BundleUtil {
  
    private static final String TAG = "BundleUtil";
  
    @Nullable private static Method getIBinderMethod;
    @Nullable private static Method putIBinderMethod;
  
    /**
     * Gets an {@link IBinder} inside a {@link Bundle} for all Android versions.
     *
     * @param bundle The bundle to get the {@link IBinder}.
     * @param key The key to use while getting the {@link IBinder}.
     * @return The {@link IBinder} that was obtained.
     */
    @Nullable
    public static IBinder getBinder(Bundle bundle, @Nullable String key) {
      if (Util.SDK_INT >= 18) {
        return bundle.getBinder(key);
      } else {
        return getBinderByReflection(bundle, key);
      }
    }
  
    /**
     * Puts an {@link IBinder} inside a {@link Bundle} for all Android versions.
     *
     * @param bundle The bundle to insert the {@link IBinder}.
     * @param key The key to use while putting the {@link IBinder}.
     * @param binder The {@link IBinder} to put.
     */
    public static void putBinder(Bundle bundle, @Nullable String key, @Nullable IBinder binder) {
      if (Util.SDK_INT >= 18) {
        bundle.putBinder(key, binder);
      } else {
        putBinderByReflection(bundle, key, binder);
      }
    }
  
    // Method.invoke may take null "key".
    @SuppressWarnings("nullness:argument")
    @Nullable
    private static IBinder getBinderByReflection(Bundle bundle, @Nullable String key) {
      @Nullable Method getIBinder = getIBinderMethod;
      if (getIBinder == null) {
        try {
          getIBinderMethod = Bundle.class.getMethod("getIBinder", String.class);
          getIBinderMethod.setAccessible(true);
        } catch (NoSuchMethodException e) {
          Log.i(TAG, "Failed to retrieve getIBinder method", e);
          return null;
        }
        getIBinder = getIBinderMethod;
      }
  
      try {
        return (IBinder) getIBinder.invoke(bundle, key);
      } catch (InvocationTargetException | IllegalAccessException | IllegalArgumentException e) {
        Log.i(TAG, "Failed to invoke getIBinder via reflection", e);
        return null;
      }
    }
  
    // Method.invoke may take null "key" and "binder".
    @SuppressWarnings("nullness:argument")
    private static void putBinderByReflection(
        Bundle bundle, @Nullable String key, @Nullable IBinder binder) {
      @Nullable Method putIBinder = putIBinderMethod;
      if (putIBinder == null) {
        try {
          putIBinderMethod = Bundle.class.getMethod("putIBinder", String.class, IBinder.class);
          putIBinderMethod.setAccessible(true);
        } catch (NoSuchMethodException e) {
          Log.i(TAG, "Failed to retrieve putIBinder method", e);
          return;
        }
        putIBinder = putIBinderMethod;
      }
  
      try {
        putIBinder.invoke(bundle, key, binder);
      } catch (InvocationTargetException | IllegalAccessException | IllegalArgumentException e) {
        Log.i(TAG, "Failed to invoke putIBinder via reflection", e);
      }
    }
  
    private BundleUtil() {}
  }
  