1 /* 2 * Copyright (C) 2014 The Libphonenumber Authors 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.google.i18n.phonenumbers.internal; 18 19 import com.google.i18n.phonenumbers.Phonemetadata.PhoneNumberDesc; 20 import com.google.i18n.phonenumbers.RegexCache; 21 22 import java.util.regex.Matcher; 23 24 /** 25 * Implementation of the matcher API using the regular expressions in the PhoneNumberDesc 26 * proto message to match numbers. 27 */ 28 public final class RegexBasedMatcher implements MatcherApi { 29 public static MatcherApi create() { 30 return new RegexBasedMatcher(); 31 } 32 33 private final RegexCache regexCache = new RegexCache(100); 34 35 private RegexBasedMatcher() {} 36 37 // @Override 38 public boolean matchesNationalNumber(String nationalNumber, PhoneNumberDesc numberDesc, 39 boolean allowPrefixMatch) { 40 Matcher nationalNumberPatternMatcher = regexCache.getPatternForRegex( 41 numberDesc.getNationalNumberPattern()).matcher(nationalNumber); 42 return nationalNumberPatternMatcher.matches() 43 || (allowPrefixMatch && nationalNumberPatternMatcher.lookingAt()); 44 } 45 46 // @Override 47 public boolean matchesPossibleNumber(String nationalNumber, PhoneNumberDesc numberDesc) { 48 Matcher possibleNumberPatternMatcher = regexCache.getPatternForRegex( 49 numberDesc.getPossibleNumberPattern()).matcher(nationalNumber); 50 return possibleNumberPatternMatcher.matches(); 51 } 52 } 53
