| /* |
| * Copyright 2022 Google LLC |
| * |
| * 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.libraries.mobiledatadownload.downloader; |
| |
| import javax.annotation.Nullable; |
| |
| /** |
| * Provider interface for supplying OAuth tokens for a request. The tokens generated by this method |
| * are added to requests as http headers. For more details, see the official spec for this |
| * authorization mechanism: https://tools.ietf.org/html/rfc6750#page-5 |
| */ |
| public interface OAuthTokenProvider { |
| /** Provides an OAuth bearer token for the given URL. */ |
| @Nullable |
| String provideOAuthToken(String url); |
| } |