| /* |
| * Copyright (C) 2014 The Libphonenumber Authors |
| * |
| * Licensed under the Apache License, Version 2.0 (the "License"); |
| * you may not use this file except in compliance with the License. |
| * You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| |
| package com.google.i18n.phonenumbers.internal; |
| |
| import com.google.i18n.phonenumbers.RegexCache; |
| import com.google.i18n.phonenumbers.nano.Phonemetadata.PhoneNumberDesc; |
| |
| import java.util.regex.Matcher; |
| |
| /** |
| * Implementation of the matcher API using the regular expressions in the PhoneNumberDesc |
| * proto message to match numbers. |
| */ |
| public final class RegexBasedMatcher implements MatcherApi { |
| public static MatcherApi create() { |
| return new RegexBasedMatcher(); |
| } |
| |
| private final RegexCache regexCache = new RegexCache(100); |
| |
| private RegexBasedMatcher() {} |
| |
| // @Override |
| public boolean matchesNationalNumber(String nationalNumber, PhoneNumberDesc numberDesc, |
| boolean allowPrefixMatch) { |
| Matcher nationalNumberPatternMatcher = regexCache.getPatternForRegex( |
| numberDesc.nationalNumberPattern).matcher(nationalNumber); |
| return nationalNumberPatternMatcher.matches() |
| || (allowPrefixMatch && nationalNumberPatternMatcher.lookingAt()); |
| } |
| |
| // @Override |
| public boolean matchesPossibleNumber(String nationalNumber, PhoneNumberDesc numberDesc) { |
| Matcher possibleNumberPatternMatcher = regexCache.getPatternForRegex( |
| numberDesc.possibleNumberPattern).matcher(nationalNumber); |
| return possibleNumberPatternMatcher.matches(); |
| } |
| } |