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| 1 // Copyright 2014 The Chromium Authors. All rights reserved. | 1 // Copyright 2014 The Chromium Authors. All rights reserved. |
| 2 // Use of this source code is governed by a BSD-style license that can be | 2 // Use of this source code is governed by a BSD-style license that can be |
| 3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
| 4 | 4 |
| 5 import 'dart:convert'; | 5 import 'dart:convert'; |
| 6 import 'dart:math'; | 6 import 'dart:math'; |
| 7 |
| 7 import 'package:sky/framework/net/fetch.dart'; | 8 import 'package:sky/framework/net/fetch.dart'; |
| 8 | 9 |
| 9 // Snapshot from http://www.nasdaq.com/screening/company-list.aspx | 10 // Snapshot from http://www.nasdaq.com/screening/company-list.aspx |
| 10 // Fetched 2/23/2014. | 11 // Fetched 2/23/2014. |
| 11 // "Symbol","Name","LastSale","MarketCap","IPOyear","Sector","industry","Summary
Quote", | 12 // "Symbol","Name","LastSale","MarketCap","IPOyear","Sector","industry","Summary
Quote", |
| 12 // Data in stock_data.json | 13 // Data in stock_data.json |
| 13 | 14 |
| 14 final Random _rng = new Random(); | 15 final Random _rng = new Random(); |
| 15 | 16 |
| 16 class Stock { | 17 class Stock { |
| (...skipping 35 matching lines...) Expand 10 before | Expand all | Expand 10 after Loading... |
| 52 | 53 |
| 53 class StockDataFetcher { | 54 class StockDataFetcher { |
| 54 int _currentChunk = 0; | 55 int _currentChunk = 0; |
| 55 final StockDataCallback callback; | 56 final StockDataCallback callback; |
| 56 | 57 |
| 57 StockDataFetcher(this.callback) { | 58 StockDataFetcher(this.callback) { |
| 58 _fetchNextChunk(); | 59 _fetchNextChunk(); |
| 59 } | 60 } |
| 60 | 61 |
| 61 void _fetchNextChunk() { | 62 void _fetchNextChunk() { |
| 62 fetchBody('data/stock_data_${_currentChunk++}.json').then((Response response
) { | 63 fetchBody('../data/stock_data_${_currentChunk++}.json').then((Response respo
nse) { |
| 63 String json = response.bodyAsString(); | 64 String json = response.bodyAsString(); |
| 64 JsonDecoder decoder = new JsonDecoder(); | 65 JsonDecoder decoder = new JsonDecoder(); |
| 65 | 66 |
| 66 callback(new StockData(decoder.convert(json))); | 67 callback(new StockData(decoder.convert(json))); |
| 67 | 68 |
| 68 if (_currentChunk < _kChunkCount) | 69 if (_currentChunk < _kChunkCount) |
| 69 _fetchNextChunk(); | 70 _fetchNextChunk(); |
| 70 }); | 71 }); |
| 71 } | 72 } |
| 72 } | 73 } |
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