| // Copyright (c) 2012, the Dart project authors. Please see the AUTHORS file |
| // for details. All rights reserved. Use of this source code is governed by a |
| // BSD-style license that can be found in the LICENSE file. |
| |
| /// This file should be imported, along with date_format.dart in order to read |
| /// locale data via http requests to a web server.. |
| library date_symbol_data_http_request; |
| |
| import 'date_symbols.dart'; |
| import 'intl.dart'; |
| import 'src/data/dates/locale_list.dart'; |
| import 'src/date_format_internal.dart'; |
| import 'src/http_request_data_reader.dart'; |
| import 'src/lazy_locale_data.dart'; |
| |
| export 'src/data/dates/locale_list.dart'; |
| |
| /// This should be called for at least one [locale] before any date formatting |
| /// methods are called. It sets up the lookup for date symbols using [url]. |
| /// The [url] parameter should end with a "/". For example, |
| /// "http://localhost:8000/dates/" |
| Future<void> initializeDateFormatting(String locale, String url) { |
| //Initialize symbols |
| var symbolReader = HttpRequestDataReader('${url}symbols/'); |
| LazyLocaleData symbolsInitializer() => LazyLocaleData( |
| symbolReader, |
| _createDateSymbol, |
| availableLocalesForDateFormatting, |
| ); |
| initializeDateSymbols(symbolsInitializer); |
| |
| //Initialize patterns |
| var patternsReader = HttpRequestDataReader('${url}patterns/'); |
| LazyLocaleData patternsInitializer() => LazyLocaleData( |
| patternsReader, |
| (x) => x, |
| availableLocalesForDateFormatting, |
| ); |
| initializeDatePatterns(patternsInitializer); |
| |
| var actualLocale = Intl.verifiedLocale( |
| locale, |
| availableLocalesForDateFormatting.contains, |
| )!; |
| |
| //Initialize locale for both symbols and patterns |
| Future<List<void>> initLocale( |
| LazyLocaleData symbols, |
| LazyLocaleData patterns, |
| ) { |
| return Future.wait([ |
| symbols.initLocale(actualLocale), |
| patterns.initLocale(actualLocale), |
| ]); |
| } |
| |
| return initializeIndividualLocaleDateFormatting(initLocale); |
| } |
| |
| /// Defines how new date symbol entries are created. |
| DateSymbols _createDateSymbol(Map<dynamic, dynamic> map) => |
| DateSymbols.deserializeFromMap(map); |