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/*
* Copyright (C) 2023 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.nfc;
import android.annotation.NonNull;
import android.annotation.SystemApi;
import android.app.SystemServiceRegistry;
import android.content.Context;
/**
* Class for performing registration for Nfc service.
*
* @hide
*/
@SystemApi(client = SystemApi.Client.MODULE_LIBRARIES)
public class NfcFrameworkInitializer {
private NfcFrameworkInitializer() {}
private static volatile NfcServiceManager sNfcServiceManager;
/**
* Sets an instance of {@link NfcServiceManager} that allows
* the nfc mainline module to register/obtain nfc binder services. This is called
* by the platform during the system initialization.
*
* @param nfcServiceManager instance of {@link NfcServiceManager} that allows
* the nfc mainline module to register/obtain nfcd binder services.
*/
public static void setNfcServiceManager(
@NonNull NfcServiceManager nfcServiceManager) {
if (sNfcServiceManager != null) {
throw new IllegalStateException("setNfcServiceManager called twice!");
}
if (nfcServiceManager == null) {
throw new IllegalArgumentException("nfcServiceManager must not be null");
}
sNfcServiceManager = nfcServiceManager;
}
/** @hide */
public static NfcServiceManager getNfcServiceManager() {
return sNfcServiceManager;
}
/**
* Called by {@link SystemServiceRegistry}'s static initializer and registers NFC service
* to {@link Context}, so that {@link Context#getSystemService} can return them.
*
* @throws IllegalStateException if this is called from anywhere besides
* {@link SystemServiceRegistry}
*/
public static void registerServiceWrappers() {
SystemServiceRegistry.registerContextAwareService(Context.NFC_SERVICE,
NfcManager.class, context -> new NfcManager(context));
}
}
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