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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;
import android.os.Parcel;
import android.os.Parcelable;
/**
* MatchAllNetworkSpecifier is a marker class used by NetworkFactory classes to indicate
* that they accept (match) any network specifier in requests.
*
* The class must never be used as part of a network request (those semantics aren't specified).
*
* @hide
*/
public final class MatchAllNetworkSpecifier extends NetworkSpecifier implements Parcelable {
/**
* Utility method which verifies that the ns argument is not a MatchAllNetworkSpecifier and
* throws an IllegalArgumentException if it is.
*/
public static void checkNotMatchAllNetworkSpecifier(NetworkSpecifier ns) {
if (ns instanceof MatchAllNetworkSpecifier) {
throw new IllegalArgumentException("A MatchAllNetworkSpecifier is not permitted");
}
}
public boolean satisfiedBy(NetworkSpecifier other) {
/*
* The method is called by a NetworkRequest to see if it is satisfied by a proposed
* network (e.g. as offered by a network factory). Since MatchAllNetweorkSpecifier must
* not be used in network requests this method should never be called.
*/
throw new IllegalStateException(
"MatchAllNetworkSpecifier must not be used in NetworkRequests");
}
@Override
public boolean equals(Object o) {
return o instanceof MatchAllNetworkSpecifier;
}
@Override
public int hashCode() {
return 0;
}
@Override
public int describeContents() {
return 0;
}
@Override
public void writeToParcel(Parcel dest, int flags) {
// Nothing to write.
}
public static final @android.annotation.NonNull Parcelable.Creator<MatchAllNetworkSpecifier> CREATOR =
new Parcelable.Creator<MatchAllNetworkSpecifier>() {
public MatchAllNetworkSpecifier createFromParcel(Parcel in) {
return new MatchAllNetworkSpecifier();
}
public MatchAllNetworkSpecifier[] newArray(int size) {
return new MatchAllNetworkSpecifier[size];
}
};
}
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