1 /* 2 * Copyright (C) 2016 The Android Open Source Project 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 17 package com.android.dialer.spam; 18 19 import android.content.Context; 20 import java.util.Objects; 21 22 /** Accessor for the spam bindings. */ 23 public class Spam { 24 25 private static SpamBindings spamBindings; 26 Spam()27 private Spam() {} 28 get(Context context)29 public static SpamBindings get(Context context) { 30 Objects.requireNonNull(context); 31 if (spamBindings != null) { 32 return spamBindings; 33 } 34 35 Context application = context.getApplicationContext(); 36 if (application instanceof SpamBindingsFactory) { 37 spamBindings = ((SpamBindingsFactory) application).newSpamBindings(); 38 } 39 40 if (spamBindings == null) { 41 spamBindings = new SpamBindingsStub(); 42 } 43 return spamBindings; 44 } 45 setForTesting(SpamBindings spamBindings)46 public static void setForTesting(SpamBindings spamBindings) { 47 Spam.spamBindings = spamBindings; 48 } 49 } 50