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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;
import android.annotation.NonNull;
import android.annotation.Nullable;
import android.annotation.SystemApi;
import android.os.Parcel;
import android.os.Parcelable;
import java.util.Objects;
/**
* Represents a request to update an existing Ethernet interface.
*
* @see EthernetManager#updateConfiguration
*
* @hide
*/
@SystemApi
public final class EthernetNetworkUpdateRequest implements Parcelable {
@Nullable
private final IpConfiguration mIpConfig;
@Nullable
private final NetworkCapabilities mNetworkCapabilities;
/**
* Setting the {@link IpConfiguration} is optional in {@link EthernetNetworkUpdateRequest}.
* When set to null, the existing IpConfiguration is not updated.
*
* @return the new {@link IpConfiguration} or null.
*/
@Nullable
public IpConfiguration getIpConfiguration() {
return mIpConfig == null ? null : new IpConfiguration(mIpConfig);
}
/**
* Setting the {@link NetworkCapabilities} is optional in {@link EthernetNetworkUpdateRequest}.
* When set to null, the existing NetworkCapabilities are not updated.
*
* @return the new {@link NetworkCapabilities} or null.
*/
@Nullable
public NetworkCapabilities getNetworkCapabilities() {
return mNetworkCapabilities == null ? null : new NetworkCapabilities(mNetworkCapabilities);
}
private EthernetNetworkUpdateRequest(@Nullable final IpConfiguration ipConfig,
@Nullable final NetworkCapabilities networkCapabilities) {
mIpConfig = ipConfig;
mNetworkCapabilities = networkCapabilities;
}
private EthernetNetworkUpdateRequest(@NonNull final Parcel source) {
Objects.requireNonNull(source);
mIpConfig = source.readParcelable(IpConfiguration.class.getClassLoader(),
IpConfiguration.class);
mNetworkCapabilities = source.readParcelable(NetworkCapabilities.class.getClassLoader(),
NetworkCapabilities.class);
}
/**
* Builder used to create {@link EthernetNetworkUpdateRequest} objects.
*/
public static final class Builder {
@Nullable
private IpConfiguration mBuilderIpConfig;
@Nullable
private NetworkCapabilities mBuilderNetworkCapabilities;
public Builder(){}
/**
* Constructor to populate the builder's values with an already built
* {@link EthernetNetworkUpdateRequest}.
* @param request the {@link EthernetNetworkUpdateRequest} to populate with.
*/
public Builder(@NonNull final EthernetNetworkUpdateRequest request) {
Objects.requireNonNull(request);
mBuilderIpConfig = null == request.mIpConfig
? null : new IpConfiguration(request.mIpConfig);
mBuilderNetworkCapabilities = null == request.mNetworkCapabilities
? null : new NetworkCapabilities(request.mNetworkCapabilities);
}
/**
* Set the {@link IpConfiguration} to be used with the {@code Builder}.
* @param ipConfig the {@link IpConfiguration} to set.
* @return The builder to facilitate chaining.
*/
@NonNull
public Builder setIpConfiguration(@Nullable final IpConfiguration ipConfig) {
mBuilderIpConfig = ipConfig == null ? null : new IpConfiguration(ipConfig);
return this;
}
/**
* Set the {@link NetworkCapabilities} to be used with the {@code Builder}.
* @param nc the {@link NetworkCapabilities} to set.
* @return The builder to facilitate chaining.
*/
@NonNull
public Builder setNetworkCapabilities(@Nullable final NetworkCapabilities nc) {
mBuilderNetworkCapabilities = nc == null ? null : new NetworkCapabilities(nc);
return this;
}
/**
* Build {@link EthernetNetworkUpdateRequest} return the current update request.
*
* @throws IllegalStateException when both mBuilderNetworkCapabilities and mBuilderIpConfig
* are null.
*/
@NonNull
public EthernetNetworkUpdateRequest build() {
if (mBuilderIpConfig == null && mBuilderNetworkCapabilities == null) {
throw new IllegalStateException(
"Cannot construct an empty EthernetNetworkUpdateRequest");
}
return new EthernetNetworkUpdateRequest(mBuilderIpConfig, mBuilderNetworkCapabilities);
}
}
@Override
public String toString() {
return "EthernetNetworkUpdateRequest{"
+ "mIpConfig=" + mIpConfig
+ ", mNetworkCapabilities=" + mNetworkCapabilities + '}';
}
@Override
public boolean equals(Object o) {
if (this == o) return true;
if (o == null || getClass() != o.getClass()) return false;
EthernetNetworkUpdateRequest that = (EthernetNetworkUpdateRequest) o;
return Objects.equals(that.getIpConfiguration(), mIpConfig)
&& Objects.equals(that.getNetworkCapabilities(), mNetworkCapabilities);
}
@Override
public int hashCode() {
return Objects.hash(mIpConfig, mNetworkCapabilities);
}
@Override
public void writeToParcel(@NonNull Parcel dest, int flags) {
dest.writeParcelable(mIpConfig, flags);
dest.writeParcelable(mNetworkCapabilities, flags);
}
@Override
public int describeContents() {
return 0;
}
@NonNull
public static final Parcelable.Creator<EthernetNetworkUpdateRequest> CREATOR =
new Parcelable.Creator<EthernetNetworkUpdateRequest>() {
@Override
public EthernetNetworkUpdateRequest[] newArray(int size) {
return new EthernetNetworkUpdateRequest[size];
}
@Override
public EthernetNetworkUpdateRequest createFromParcel(@NonNull Parcel source) {
return new EthernetNetworkUpdateRequest(source);
}
};
}
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