| /* |
| * Copyright (C) 2015 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; |
| |
| import com.google.i18n.phonenumbers.Phonemetadata.PhoneMetadata; |
| import com.google.i18n.phonenumbers.Phonemetadata.PhoneMetadataCollection; |
| |
| import java.io.InputStream; |
| import java.util.Collections; |
| import java.util.HashMap; |
| import java.util.List; |
| import java.util.Map; |
| import java.util.logging.Logger; |
| |
| /** |
| * Implementation of {@link MetadataSource} that reads from a single resource file. |
| */ |
| final class SingleFileMetadataSourceImpl implements MetadataSource { |
| |
| private static final Logger logger = |
| Logger.getLogger(SingleFileMetadataSourceImpl.class.getName()); |
| |
| private static final String META_DATA_FILE_NAME = |
| "/com/google/i18n/phonenumbers/data/SingleFilePhoneNumberMetadataProto"; |
| |
| // A mapping from a region code to the PhoneMetadata for that region. |
| // Note: Synchronization, though only needed for the Android version of the library, is used in |
| // all versions for consistency. |
| private final Map<String, PhoneMetadata> regionToMetadataMap = |
| Collections.synchronizedMap(new HashMap<String, PhoneMetadata>()); |
| |
| // A mapping from a country calling code for a non-geographical entity to the PhoneMetadata for |
| // that country calling code. Examples of the country calling codes include 800 (International |
| // Toll Free Service) and 808 (International Shared Cost Service). |
| // Note: Synchronization, though only needed for the Android version of the library, is used in |
| // all versions for consistency. |
| private final Map<Integer, PhoneMetadata> countryCodeToNonGeographicalMetadataMap = |
| Collections.synchronizedMap(new HashMap<Integer, PhoneMetadata>()); |
| |
| // The metadata file from which region data is loaded. |
| private final String fileName; |
| |
| // The metadata loader used to inject alternative metadata sources. |
| private final MetadataLoader metadataLoader; |
| |
| // It is assumed that metadataLoader is not null. |
| public SingleFileMetadataSourceImpl(String fileName, MetadataLoader metadataLoader) { |
| this.fileName = fileName; |
| this.metadataLoader = metadataLoader; |
| } |
| |
| // It is assumed that metadataLoader is not null. |
| public SingleFileMetadataSourceImpl(MetadataLoader metadataLoader) { |
| this(META_DATA_FILE_NAME, metadataLoader); |
| } |
| |
| @Override |
| public PhoneMetadata getMetadataForRegion(String regionCode) { |
| synchronized (regionToMetadataMap) { |
| if (!regionToMetadataMap.containsKey(regionCode)) { |
| // The regionCode here will be valid and won't be '001', so we don't need to worry about |
| // what to pass in for the country calling code. |
| loadMetadataFromFile(); |
| } |
| } |
| return regionToMetadataMap.get(regionCode); |
| } |
| |
| @Override |
| public PhoneMetadata getMetadataForNonGeographicalRegion(int countryCallingCode) { |
| synchronized (countryCodeToNonGeographicalMetadataMap) { |
| if (!countryCodeToNonGeographicalMetadataMap.containsKey(countryCallingCode)) { |
| loadMetadataFromFile(); |
| } |
| } |
| return countryCodeToNonGeographicalMetadataMap.get(countryCallingCode); |
| } |
| |
| // @VisibleForTesting |
| void loadMetadataFromFile() { |
| InputStream source = metadataLoader.loadMetadata(fileName); |
| if (source == null) { |
| // This should not happen since clients shouldn't be using this implementation directly. |
| // The single file implementation is experimental, only for when the jars contain a single |
| // file with all regions' metadata. Currently we do not release such jars. |
| // TODO(b/30807096): Get the MetadataManager to decide whether to use this or the multi file |
| // loading depending on what data is available in the jar. |
| throw new IllegalStateException("missing metadata: " + fileName); |
| } |
| PhoneMetadataCollection metadataCollection = MetadataManager.loadMetadataAndCloseInput(source); |
| List<PhoneMetadata> metadataList = metadataCollection.getMetadataList(); |
| if (metadataList.isEmpty()) { |
| // This should not happen since clients shouldn't be using this implementation! |
| throw new IllegalStateException("empty metadata: " + fileName); |
| } |
| for (PhoneMetadata metadata : metadataList) { |
| String regionCode = metadata.getId(); |
| int countryCallingCode = metadata.getCountryCode(); |
| boolean isNonGeoRegion = PhoneNumberUtil.REGION_CODE_FOR_NON_GEO_ENTITY.equals(regionCode); |
| if (isNonGeoRegion) { |
| countryCodeToNonGeographicalMetadataMap.put(countryCallingCode, metadata); |
| } else { |
| regionToMetadataMap.put(regionCode, metadata); |
| } |
| } |
| } |
| } |