apishim/common/com/android/networkstack/apishim/common/Ikev2VpnProfileShim.java

/*
 * Copyright (C) 2022 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 com.android.networkstack.apishim.common;

/**
 * A shim for Ikev2VpnProfile.
 *
 * T should extend Ikev2VpnProfile, but this can't be written here as that class is not
 * available in API29.
 * @param <T> type of profile, typically Ikev2VpnProfile
 */
// TODO : when API29 is no longer supported, remove the type argument
public interface Ikev2VpnProfileShim<T> {
    /**
     * @see Ikev2VpnProfile#isInternetValidationRequired()
     */
    default boolean isInternetValidationRequired() throws UnsupportedApiLevelException {
        throw new UnsupportedApiLevelException("Only supported from API level 33.");
    }

    /**
     * @see Ikev2VpnProfile#getIkeTunnelConnectionParams()
     */
    default Object getIkeTunnelConnectionParams() throws UnsupportedApiLevelException {
        throw new UnsupportedApiLevelException("Only supported from API level 33.");
    }

    /**
     * Return the <T> type of profile.
     */
    default T getProfile() throws UnsupportedApiLevelException {
        throw new UnsupportedApiLevelException("Only supported from API level 30.");
    }
}