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/*
* Copyright (C) 2017 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.net;
/**
* Describes specific properties of a network for use in a {@link NetworkRequest}.
*
* Applications cannot instantiate this class by themselves, but can obtain instances of
* subclasses of this class via other APIs.
*/
public abstract class NetworkSpecifier {
/** @hide */
public NetworkSpecifier() {}
/**
* Returns true if a request with this {@link NetworkSpecifier} is satisfied by a network
* with the given NetworkSpecifier.
*
* @hide
*/
public abstract boolean satisfiedBy(NetworkSpecifier other);
/**
* Optional method which can be overriden by concrete implementations of NetworkSpecifier to
* check a self-reported UID. A concrete implementation may contain a UID which would be self-
* reported by the caller (since NetworkSpecifier implementations should be non-mutable). This
* function is called by ConnectivityService and is passed the actual UID of the caller -
* allowing the verification of the self-reported UID. In cases of mismatch the implementation
* should throw a SecurityException.
*
* @param requestorUid The UID of the requestor as obtained from its binder.
*
* @hide
*/
public void assertValidFromUid(int requestorUid) {
// empty
}
}
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