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/*
* Copyright (C) 2019 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.ipsec.ike;
import android.annotation.NonNull;
/**
* This class contains all user provided configuration options for negotiating a transport mode
* Child Session.
*/
public final class TransportModeChildSessionOptions extends ChildSessionOptions {
private TransportModeChildSessionOptions(
IkeTrafficSelector[] localTs,
IkeTrafficSelector[] remoteTs,
ChildSaProposal[] proposals) {
super(localTs, remoteTs, proposals, true /*isTransport*/);
}
/** This class can be used to incrementally construct a TransportModeChildSessionOptions. */
public static final class Builder extends ChildSessionOptions.Builder {
/** Create a Builder for negotiating a transport mode Child Session. */
public Builder() {
super();
}
/**
* Adds an Child SA proposal to TransportModeChildSessionOptions being built.
*
* @param proposal Child SA proposal.
* @return Builder this, to facilitate chaining.
* @throws IllegalArgumentException if input proposal is not a Child SA proposal.
*/
public Builder addSaProposal(@NonNull ChildSaProposal proposal) {
validateAndAddSaProposal(proposal);
return this;
}
/**
* Validates, builds and returns the TransportModeChildSessionOptions.
*
* @return the validated TransportModeChildSessionOptions.
* @throws IllegalArgumentException if no Child SA proposal is provided.
*/
public TransportModeChildSessionOptions build() {
validateOrThrow();
return new TransportModeChildSessionOptions(
mLocalTsList.toArray(new IkeTrafficSelector[mLocalTsList.size()]),
mRemoteTsList.toArray(new IkeTrafficSelector[mRemoteTsList.size()]),
mSaProposalList.toArray(new ChildSaProposal[mSaProposalList.size()]));
}
}
}
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