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Unified Diff: intl/lib/src/lazy_locale_data.dart

Issue 1400473008: Roll Observatory packages and add a roll script (Closed) Base URL: git@github.com:dart-lang/observatory_pub_packages.git@master
Patch Set: Created 5 years, 2 months ago
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Index: intl/lib/src/lazy_locale_data.dart
diff --git a/intl/lib/src/lazy_locale_data.dart b/intl/lib/src/lazy_locale_data.dart
deleted file mode 100644
index 9be1c0d9a3c331d6bff6312cbdfe2ca078bca642..0000000000000000000000000000000000000000
--- a/intl/lib/src/lazy_locale_data.dart
+++ /dev/null
@@ -1,116 +0,0 @@
-// 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 defines a class for loading locale data incrementally from
- * an external source as JSON. The external sources expected are either
- * local files or via HTTP request.
- */
-
-library lazy_locale_data;
-
-import 'dart:async';
-import 'dart:convert';
-import 'intl_helpers.dart';
-
-/**
- * This implements the very basic map-type operations which are used
- * in locale lookup, and looks them up based on a URL that defines
- * the external source.
- */
-class LazyLocaleData {
- /// This holds the data we have loaded.
- Map map;
-
- /// The object that actually does the data reading.
- LocaleDataReader _reader;
-
- /**
- * In order to avoid a potentially remote call to see if a locale
- * is available, we hold a complete list of all the available
- * locales.
- */
- List availableLocales;
-
- /**
- * Given a piece of remote data, apply [_creationFunction] to it to
- * convert it into the right form. Typically this means converting it
- * from a Map into an object form.
- */
- Function _creationFunction;
-
- /**
- * The set of available locales.
- */
- Set availableLocaleSet;
-
- /**
- * The constructor. The [_reader] specifies where the data comes
- * from. The [_creationFunction] creates the appropriate data type
- * from the remote data (which typically comes in as a Map). The
- * [keys] lists the set of remotely available locale names so we know which
- * things can be fetched without having to check remotely.
- */
- LazyLocaleData(this._reader, this._creationFunction, List keys) {
- map = new Map();
- availableLocales = keys;
- availableLocaleSet = new Set.from(availableLocales);
- }
-
- /**
- * Tests if we have data for the locale available. Note that this returns
- * true even if the data is known to be available remotely but not yet loaded.
- */
- bool containsKey(String locale) => availableLocaleSet.contains(locale);
-
- /** Returns the list of keys/locale names. */
- List get keys => availableLocales;
-
- /**
- * Returns the data stored for [localeName]. If no data has been loaded
- * for [localeName], throws an exception. If no data is available for
- * [localeName] then throw an exception with a different message.
- */
- operator [](String localeName) {
- if (containsKey(localeName)) {
- var data = map[localeName];
- if (data == null) {
- throw new LocaleDataException(
- "Locale $localeName has not been initialized."
- " Call initializeDateFormatting($localeName, <data url>) first");
- } else {
- return data;
- }
- } else {
- unsupportedLocale(localeName);
- }
- }
-
- /**
- * Throw an exception indicating that the locale has no data available,
- * either locally or remotely.
- */
- unsupportedLocale(localeName) {
- throw new LocaleDataException('Locale $localeName has no data available');
- }
-
- /**
- * Initialize for locale. Internal use only. As a user, call
- * initializeDateFormatting instead.
- */
- Future initLocale(String localeName) {
- var data = _reader.read(localeName);
- return jsonData(data).then((input) {
- map[localeName] = _creationFunction(input);
- });
- }
-
- /**
- * Given a Future [input] whose value is expected to be a string in JSON form,
- * return another future that parses the JSON into a usable format.
- */
- Future jsonData(Future input) {
- return input.then((response) => JSON.decode(response));
- }
-}
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