110 lines
3.5 KiB
PHP
110 lines
3.5 KiB
PHP
<?php
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/**
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*
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*
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* @author joshuag
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* @created: 04/08/2015 09:03
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* @project libphonenumber-for-php
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*/
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namespace libphonenumber;
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class MultiFileMetadataSourceImpl implements MetadataSourceInterface
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{
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private static $metaDataFilePrefix = PhoneNumberUtil::META_DATA_FILE_PREFIX;
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/**
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* A mapping from a region code to the PhoneMetadata for that region.
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* @var PhoneMetadata[]
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*/
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private $regionToMetadataMap = array();
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/**
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* A mapping from a country calling code for a non-geographical entity to the PhoneMetadata for
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* that country calling code. Examples of the country calling codes include 800 (International
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* Toll Free Service) and 808 (International Shared Cost Service).
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* @var PhoneMetadata[]
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*/
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private $countryCodeToNonGeographicalMetadataMap = array();
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/**
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* The prefix of the metadata files from which region data is loaded.
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* @var String
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*/
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private $currentFilePrefix;
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/**
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* The metadata loader used to inject alternative metadata sources.
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* @var MetadataLoaderInterface
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*/
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private $metadataLoader;
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/**
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* @param MetadataLoaderInterface $metadataLoader
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* @param string|null $currentFilePrefix
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*/
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public function __construct(MetadataLoaderInterface $metadataLoader, $currentFilePrefix = null)
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{
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if ($currentFilePrefix === null) {
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$currentFilePrefix = self::$metaDataFilePrefix;
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}
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$this->currentFilePrefix = $currentFilePrefix;
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$this->metadataLoader = $metadataLoader;
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}
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/**
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* @inheritdoc
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*/
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public function getMetadataForRegion($regionCode)
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{
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if (!array_key_exists($regionCode, $this->regionToMetadataMap)) {
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// The regionCode here will be valid and won't be '001', so we don't need to worry about
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// what to pass in for the country calling code.
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$this->loadMetadataFromFile($this->currentFilePrefix, $regionCode, 0, $this->metadataLoader);
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}
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return $this->regionToMetadataMap[$regionCode];
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}
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/**
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* @inheritdoc
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*/
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public function getMetadataForNonGeographicalRegion($countryCallingCode)
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{
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if (!array_key_exists($countryCallingCode, $this->countryCodeToNonGeographicalMetadataMap)) {
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$this->loadMetadataFromFile($this->currentFilePrefix, PhoneNumberUtil::REGION_CODE_FOR_NON_GEO_ENTITY, $countryCallingCode, $this->metadataLoader);
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}
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return $this->countryCodeToNonGeographicalMetadataMap[$countryCallingCode];
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}
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/**
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* @param string $filePrefix
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* @param string $regionCode
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* @param int $countryCallingCode
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* @param MetadataLoaderInterface $metadataLoader
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* @throws \RuntimeException
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*/
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public function loadMetadataFromFile($filePrefix, $regionCode, $countryCallingCode, MetadataLoaderInterface $metadataLoader)
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{
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$isNonGeoRegion = PhoneNumberUtil::REGION_CODE_FOR_NON_GEO_ENTITY === $regionCode;
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$fileName = $filePrefix . '_' . ($isNonGeoRegion ? $countryCallingCode : $regionCode) . '.php';
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if (!is_readable($fileName)) {
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throw new \RuntimeException('missing metadata: ' . $fileName);
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} else {
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$data = $metadataLoader->loadMetadata($fileName);
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$metadata = new PhoneMetadata();
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$metadata->fromArray($data);
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if ($isNonGeoRegion) {
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$this->countryCodeToNonGeographicalMetadataMap[$countryCallingCode] = $metadata;
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} else {
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$this->regionToMetadataMap[$regionCode] = $metadata;
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}
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}
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}
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}
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