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/*
* Copyright (C) 2021 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.vcn;
import android.annotation.NonNull;
import android.net.NetworkSpecifier;
import android.net.TelephonyNetworkSpecifier;
import android.os.Parcel;
import android.os.Parcelable;
import com.android.internal.annotations.VisibleForTesting;
import com.android.internal.annotations.VisibleForTesting.Visibility;
import com.android.internal.util.ArrayUtils;
import java.util.Arrays;
import java.util.Objects;
/**
* NetworkSpecifier object for VCN underlying network requests.
*
* <p>This matches any underlying network with the appropriate subIds.
*
* @hide
*/
public final class VcnUnderlyingNetworkSpecifier extends NetworkSpecifier implements Parcelable {
@NonNull private final int[] mSubIds;
/**
* Builds a new VcnUnderlyingNetworkSpecifier with the given list of subIds
*
* @hide
*/
public VcnUnderlyingNetworkSpecifier(@NonNull int[] subIds) {
mSubIds = Objects.requireNonNull(subIds, "subIds were null");
}
/**
* Retrieves the list of subIds supported by this VcnUnderlyingNetworkSpecifier
*
* @hide
*/
@NonNull
@VisibleForTesting(visibility = Visibility.PRIVATE)
public int[] getSubIds() {
return mSubIds;
}
public static final @NonNull Creator<VcnUnderlyingNetworkSpecifier> CREATOR =
new Creator<VcnUnderlyingNetworkSpecifier>() {
@Override
public VcnUnderlyingNetworkSpecifier createFromParcel(Parcel in) {
int[] subIds = in.createIntArray();
return new VcnUnderlyingNetworkSpecifier(subIds);
}
@Override
public VcnUnderlyingNetworkSpecifier[] newArray(int size) {
return new VcnUnderlyingNetworkSpecifier[size];
}
};
@Override
public int describeContents() {
return 0;
}
@Override
public void writeToParcel(@NonNull Parcel dest, int flags) {
dest.writeIntArray(mSubIds);
}
@Override
public int hashCode() {
return Arrays.hashCode(mSubIds);
}
@Override
public boolean equals(Object obj) {
if (this == obj) {
return true;
}
if (!(obj instanceof VcnUnderlyingNetworkSpecifier)) {
return false;
}
VcnUnderlyingNetworkSpecifier lhs = (VcnUnderlyingNetworkSpecifier) obj;
return Arrays.equals(mSubIds, lhs.mSubIds);
}
@Override
public String toString() {
return new StringBuilder()
.append("VcnUnderlyingNetworkSpecifier [")
.append("mSubIds = ").append(Arrays.toString(mSubIds))
.append("]")
.toString();
}
/** @hide */
@Override
public boolean canBeSatisfiedBy(NetworkSpecifier other) {
if (other instanceof TelephonyNetworkSpecifier) {
return ArrayUtils.contains(
mSubIds, ((TelephonyNetworkSpecifier) other).getSubscriptionId());
}
// TODO(b/180140053): Allow matching against WifiNetworkAgentSpecifier
// MatchAllNetworkSpecifier matched in NetworkCapabilities.
return equals(other);
}
}
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