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