package com.google.i18n.phonenumbers.internal;
import com.google.i18n.phonenumbers.Phonemetadata.PhoneNumberDesc;
import com.google.i18n.phonenumbers.RegexCache;
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.getNationalNumberPattern()).matcher(nationalNumber);
return nationalNumberPatternMatcher.matches()
|| (allowPrefixMatch && nationalNumberPatternMatcher.lookingAt());
}
// @Override
public boolean matchesPossibleNumber(String nationalNumber, PhoneNumberDesc numberDesc) {
Matcher possibleNumberPatternMatcher = regexCache.getPatternForRegex(
numberDesc.getPossibleNumberPattern()).matcher(nationalNumber);
return possibleNumberPatternMatcher.matches();
}
}