Etan Cohen | a743427 | 2017-04-03 12:17:51 -0700 | [diff] [blame] | 1 | /* |
| 2 | * Copyright (C) 2017 The Android Open Source Project |
| 3 | * |
| 4 | * Licensed under the Apache License, Version 2.0 (the "License"); |
| 5 | * you may not use this file except in compliance with the License. |
| 6 | * You may obtain a copy of the License at |
| 7 | * |
| 8 | * http://www.apache.org/licenses/LICENSE-2.0 |
| 9 | * |
| 10 | * Unless required by applicable law or agreed to in writing, software |
| 11 | * distributed under the License is distributed on an "AS IS" BASIS, |
| 12 | * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| 13 | * See the License for the specific language governing permissions and |
| 14 | * limitations under the License. |
| 15 | */ |
| 16 | |
| 17 | package android.net; |
| 18 | |
| 19 | /** |
| 20 | * Describes specific properties of a network for use in a {@link NetworkRequest}. |
| 21 | * |
| 22 | * Applications cannot instantiate this class by themselves, but can obtain instances of |
| 23 | * subclasses of this class via other APIs. |
Etan Cohen | a743427 | 2017-04-03 12:17:51 -0700 | [diff] [blame] | 24 | */ |
| 25 | public abstract class NetworkSpecifier { |
Etan Cohen | 39c6014 | 2017-03-29 13:57:08 -0700 | [diff] [blame] | 26 | /** @hide */ |
| 27 | public NetworkSpecifier() {} |
| 28 | |
Etan Cohen | a743427 | 2017-04-03 12:17:51 -0700 | [diff] [blame] | 29 | /** |
| 30 | * Returns true if a request with this {@link NetworkSpecifier} is satisfied by a network |
| 31 | * with the given NetworkSpecifier. |
| 32 | * |
| 33 | * @hide |
| 34 | */ |
| 35 | public abstract boolean satisfiedBy(NetworkSpecifier other); |
Etan Cohen | 859748f | 2017-04-03 17:42:34 -0700 | [diff] [blame] | 36 | |
| 37 | /** |
| 38 | * Optional method which can be overriden by concrete implementations of NetworkSpecifier to |
| 39 | * check a self-reported UID. A concrete implementation may contain a UID which would be self- |
| 40 | * reported by the caller (since NetworkSpecifier implementations should be non-mutable). This |
| 41 | * function is called by ConnectivityService and is passed the actual UID of the caller - |
| 42 | * allowing the verification of the self-reported UID. In cases of mismatch the implementation |
| 43 | * should throw a SecurityException. |
| 44 | * |
| 45 | * @param requestorUid The UID of the requestor as obtained from its binder. |
| 46 | * |
| 47 | * @hide |
| 48 | */ |
| 49 | public void assertValidFromUid(int requestorUid) { |
| 50 | // empty |
| 51 | } |
Etan Cohen | a743427 | 2017-04-03 12:17:51 -0700 | [diff] [blame] | 52 | } |