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* Switch data provider to https://iextrading.com/developer/docs/
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Nitesh Patel
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Nov 4, 2017
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121 changes: 121 additions & 0 deletions
121
src/main/java/nitezh/ministock/dataaccess/IexStockQuoteRepository.java
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,121 @@ | ||
| /* | ||
| The MIT License | ||
| Copyright (c) 2013 Nitesh Patel http://niteshpatel.github.io/ministocks | ||
| Permission is hereby granted, free of charge, to any person obtaining a copy | ||
| of this software and associated documentation files (the "Software"), to deal | ||
| in the Software without restriction, including without limitation the rights | ||
| to use, copy, modify, merge, publish, distribute, sublicense, and/or sell | ||
| copies of the Software, and to permit persons to whom the Software is | ||
| furnished to do so, subject to the following conditions: | ||
| The above copyright notice and this permission notice shall be included in | ||
| all copies or substantial portions of the Software. | ||
| THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR | ||
| IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, | ||
| FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE | ||
| AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER | ||
| LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, | ||
| OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN | ||
| THE SOFTWARE. | ||
| */ | ||
|
|
||
| package nitezh.ministock.dataaccess; | ||
|
|
||
| import org.json.JSONArray; | ||
| import org.json.JSONException; | ||
| import org.json.JSONObject; | ||
|
|
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| import java.util.HashMap; | ||
| import java.util.List; | ||
| import java.util.Locale; | ||
|
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| import nitezh.ministock.domain.StockQuote; | ||
| import nitezh.ministock.utils.Cache; | ||
| import nitezh.ministock.utils.UrlDataTools; | ||
|
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||
|
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| public class IexStockQuoteRepository { | ||
| private static final String BASE_URL = "https://api.iextrading.com/1.0/stock/market/batch"; | ||
| private final FxChangeRepository fxChangeRepository; | ||
|
|
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| public IexStockQuoteRepository(FxChangeRepository fxChangeRepository) { | ||
| this.fxChangeRepository = fxChangeRepository; | ||
| } | ||
|
|
||
| private String buildRequestUrl(List<String> symbols) { | ||
| StringBuilder sQuery = new StringBuilder(); | ||
| for (String s : symbols) { | ||
| if (!s.equals("")) { | ||
| if (!sQuery.toString().equals("")) { | ||
| sQuery.append(","); | ||
| } | ||
| sQuery.append(s); | ||
| } | ||
| } | ||
| return String.format("%s?types=quote&symbols=%s", BASE_URL, sQuery); | ||
| } | ||
|
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||
| public HashMap<String, StockQuote> getQuotes(Cache cache, List<String> symbols) { | ||
| HashMap<String, StockQuote> quotes = new HashMap<>(); | ||
| HashMap<String, String> fxChanges = this.fxChangeRepository.getChanges(cache, symbols); | ||
| JSONArray jsonArray; | ||
| JSONObject quoteJson; | ||
|
|
||
| try { | ||
| jsonArray = this.retrieveQuotesAsJson(cache, symbols); | ||
| if (jsonArray != null) { | ||
| for (int i = 0; i < jsonArray.length(); i++) { | ||
| quoteJson = jsonArray.getJSONObject(i); | ||
| StockQuote quote = new StockQuote( | ||
| quoteJson.optString("symbol"), | ||
| quoteJson.optString("price"), | ||
| quoteJson.optString("change"), | ||
| quoteJson.optString("percent"), | ||
| quoteJson.optString("exchange"), | ||
| quoteJson.optString("volume"), | ||
| quoteJson.optString("name"), | ||
| fxChanges.get(quoteJson.optString("symbol")), | ||
| Locale.US); | ||
| quotes.put(quote.getSymbol(), quote); | ||
| } | ||
| } | ||
| } catch (JSONException e) { | ||
| return null; | ||
| } | ||
|
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| return quotes; | ||
| } | ||
|
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| JSONArray retrieveQuotesAsJson(Cache cache, List<String> symbols) throws JSONException { | ||
| String url = buildRequestUrl(symbols); | ||
| JSONObject quotesJson; | ||
|
|
||
| try { | ||
| String quotes = UrlDataTools.getCachedUrlData(url, cache, 300); | ||
| quotesJson = new JSONObject(quotes); | ||
| } catch (JSONException e) { | ||
| throw new JSONException(""); | ||
| } | ||
|
|
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| JSONArray quotes = new JSONArray(); | ||
|
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| for (String symbol : symbols) { | ||
| JSONObject quoteJson = quotesJson.getJSONObject(symbol).getJSONObject("quote"); | ||
|
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| JSONObject data = new JSONObject(); | ||
| data.put("symbol", quoteJson.optString("symbol")); | ||
| data.put("price", quoteJson.optString("latestPrice")); | ||
| data.put("change", quoteJson.optString("change")); | ||
| data.put("percent", quoteJson.optString("changePercent")); | ||
| data.put("exchange", quoteJson.optString("primaryExchange")); | ||
| data.put("volume", quoteJson.optString("latestVolume")); | ||
| data.put("name", quoteJson.optString("companyName")); | ||
| quotes.put(data); | ||
| } | ||
|
|
||
| return quotes; | ||
| } | ||
| } |
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103 changes: 103 additions & 0 deletions
103
src/test/java/nitezh/ministock/dataaccess/IexStockQuoteRepositoryTests.java
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,103 @@ | ||
| /* | ||
| The MIT License | ||
| Copyright (c) 2013 Nitesh Patel http://niteshpatel.github.io/ministocks | ||
| Permission is hereby granted, free of charge, to any person obtaining a copy | ||
| of this software and associated documentation files (the "Software"), to deal | ||
| in the Software without restriction, including without limitation the rights | ||
| to use, copy, modify, merge, publish, distribute, sublicense, and/or sell | ||
| copies of the Software, and to permit persons to whom the Software is | ||
| furnished to do so, subject to the following conditions: | ||
| The above copyright notice and this permission notice shall be included in | ||
| all copies or substantial portions of the Software. | ||
| THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR | ||
| IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, | ||
| FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE | ||
| AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER | ||
| LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, | ||
| OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN | ||
| THE SOFTWARE. | ||
| */ | ||
|
|
||
| package nitezh.ministock.dataaccess; | ||
|
|
||
| import org.json.JSONArray; | ||
| import org.json.JSONException; | ||
| import org.json.JSONObject; | ||
| import org.junit.Before; | ||
| import org.junit.Test; | ||
|
|
||
| import java.util.Arrays; | ||
| import java.util.HashMap; | ||
| import java.util.List; | ||
|
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| import nitezh.ministock.domain.StockQuote; | ||
| import nitezh.ministock.mocks.MockCache; | ||
|
|
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| import static org.junit.Assert.assertEquals; | ||
| import static org.junit.Assert.assertNotNull; | ||
| import static org.junit.Assert.assertTrue; | ||
|
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|
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| public class IexStockQuoteRepositoryTests { | ||
|
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| private IexStockQuoteRepository quoteRepository; | ||
|
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| @Before | ||
| public void setUp() { | ||
| FxChangeRepository fxRepository = new FxChangeRepository(); | ||
| quoteRepository = new IexStockQuoteRepository(fxRepository); | ||
| } | ||
|
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| @Test | ||
| public void retrieveQuotesAsJson() { | ||
| // Arrange | ||
| List<String> symbols = Arrays.asList("AAPL", "GOOG"); | ||
| JSONArray json = null; | ||
|
|
||
| // Act | ||
| try { | ||
| json = this.quoteRepository.retrieveQuotesAsJson(new MockCache(), symbols); | ||
| } catch (JSONException ignored) { | ||
| } | ||
|
|
||
| // Assert | ||
| assertNotNull(json); | ||
| assertEquals(2, json.length()); | ||
|
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| JSONObject aaplJson = json.optJSONObject(0); | ||
| assertEquals("AAPL", aaplJson.optString("symbol")); | ||
| assertTrue(Arrays.asList("NasdaqNM", "NMS", "Nasdaq Global Select").contains(aaplJson.optString("exchange"))); | ||
| assertEquals("Apple Inc.", aaplJson.optString("name")); | ||
|
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| JSONObject googJson = json.optJSONObject(1); | ||
| assertEquals("GOOG", googJson.optString("symbol")); | ||
| assertTrue(Arrays.asList("NasdaqNM", "NMS", "Nasdaq Global Select").contains(googJson.optString("exchange"))); | ||
| assertEquals("Alphabet Inc.", googJson.optString("name")); | ||
| } | ||
|
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| @Test | ||
| public void getQuotes() { | ||
| // Arrange | ||
| List<String> symbols = Arrays.asList("AAPL", "GOOG"); | ||
|
|
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| // Act | ||
| HashMap<String, StockQuote> stockQuotes = quoteRepository.getQuotes(new MockCache(), symbols); | ||
|
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| // Assert | ||
| assertEquals(2, stockQuotes.size()); | ||
|
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| StockQuote aaplQuote = stockQuotes.get("AAPL"); | ||
| assertEquals("AAPL", aaplQuote.getSymbol()); | ||
| assertTrue(Arrays.asList("NasdaqNM", "NMS", "Nasdaq Global Select").contains(aaplQuote.getExchange())); | ||
| assertEquals("Apple Inc.", aaplQuote.getName()); | ||
|
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| StockQuote googQuote = stockQuotes.get("GOOG"); | ||
| assertEquals("GOOG", googQuote.getSymbol()); | ||
| assertTrue(Arrays.asList("NasdaqNM", "NMS", "Nasdaq Global Select").contains(googQuote.getExchange())); | ||
| assertEquals("Alphabet Inc.", googQuote.getName()); | ||
| } | ||
| } |
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