1 /* 2 * Copyright (C) 2017 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 package com.android.dialer.enrichedcall; 17 18 import android.support.annotation.NonNull; 19 import com.android.dialer.common.Assert; 20 21 /** Utility for comparing phone numbers. */ 22 public class FuzzyPhoneNumberMatcher { 23 24 /** Returns {@code true} if the given numbers can be interpreted to be the same. */ 25 public static boolean matches(@NonNull String a, @NonNull String b) { 26 String aNormalized = Assert.isNotNull(a).replaceAll("[^0-9]", ""); 27 String bNormalized = Assert.isNotNull(b).replaceAll("[^0-9]", ""); 28 if (aNormalized.length() < 7 || bNormalized.length() < 7) { 29 return false; 30 } 31 String aMatchable = aNormalized.substring(aNormalized.length() - 7); 32 String bMatchable = bNormalized.substring(bNormalized.length() - 7); 33 return aMatchable.equals(bMatchable); 34 } 35 } 36
