content: /*
   * Copyright (C) 2018 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.media;
  
  import android.util.Log;
  
  import java.net.CookieHandler;
  import java.net.CookieManager;
  import java.net.CookieStore;
  import java.net.HttpCookie;
  import java.util.List;
  
  /** @hide */
  public class Media2Utils {
      private static final String TAG = "Media2Utils";
  
      private Media2Utils() {
      }
  
      /**
       * Ensures that an expression checking an argument is true.
       *
       * @param expression the expression to check
       * @param errorMessage the exception message to use if the check fails; will
       *     be converted to a string using {@link String#valueOf(Object)}
       * @throws IllegalArgumentException if {@code expression} is false
       */
      public static void checkArgument(boolean expression, String errorMessage) {
          if (!expression) {
              throw new IllegalArgumentException(errorMessage);
          }
      }
  
      public static synchronized void storeCookies(List<HttpCookie> cookies) {
          CookieHandler cookieHandler = CookieHandler.getDefault();
          if (cookieHandler == null) {
              cookieHandler = new CookieManager();
              CookieHandler.setDefault(cookieHandler);
              Log.v(TAG, "storeCookies: CookieManager created: " + cookieHandler);
          } else {
              Log.v(TAG, "storeCookies: CookieHandler (" + cookieHandler + ") exists.");
          }
  
          if (cookies != null) {
              if (cookieHandler instanceof CookieManager) {
                  CookieManager cookieManager = (CookieManager)cookieHandler;
                  CookieStore store = cookieManager.getCookieStore();
                  for (HttpCookie cookie : cookies) {
                      try {
                          store.add(null, cookie);
                      } catch (Exception e) {
                          Log.v(TAG, "storeCookies: CookieStore.add" + cookie, e);
                      }
                  }
              } else {
                  Log.w(TAG, "storeCookies: The installed CookieHandler is not a CookieManager."
                          + " Can’t add the provided cookies to the cookie store.");
              }
          }   // cookies
  
          Log.v(TAG, "storeCookies: cookieHandler: " + cookieHandler + " Cookies: " + cookies);
  
      }
  }
  