| /* |
| * 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 com.android.systemui; |
| |
| import java.util.Map; |
| |
| import javax.inject.Inject; |
| import javax.inject.Provider; |
| |
| /** |
| * Used during Service and Activity instantiation to make them injectable. |
| */ |
| public class ContextComponentResolver implements ContextComponentHelper { |
| private final Map<Class<?>, Provider<Object>> mCreators; |
| |
| @Inject |
| ContextComponentResolver(Map<Class<?>, Provider<Object>> creators) { |
| mCreators = creators; |
| } |
| |
| /** |
| * Looks up the class name to see if Dagger has an instance of it. |
| */ |
| @Override |
| public <T> T resolve(String className) { |
| for (Map.Entry<Class<?>, Provider<Object>> p : mCreators.entrySet()) { |
| if (p.getKey().getName().equals(className)) { |
| return (T) p.getValue().get(); |
| } |
| } |
| |
| return null; |
| } |
| } |