1 /* 2 * Copyright 2020 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.car.calendar.common; 18 19 import java.util.regex.Pattern; 20 21 /** Utilities operating on the event location field. */ 22 public class EventLocations { 23 private static final Pattern ROOM_LOCATION_PATTERN = 24 Pattern.compile("^[A-Z]{2,4}(?:-[0-9A-Z]{1,5}){2,}"); 25 26 /** Returns true if the location is valid for navigation. */ isValidLocation(String locationText)27 public boolean isValidLocation(String locationText) { 28 return !ROOM_LOCATION_PATTERN.matcher(locationText).find(); 29 } 30 } 31