Changed AlphaVantage to intraday price report

src/main/network/AlphaVantage.java

@@ -7,6 +7,7 @@ import data.DataSource;
 import network.exceptions.*;
 
 public class AlphaVantage extends DataSource {
+
     public AlphaVantage() {
         super("AlphaVantage", "https://www.alphavantage.co/query", "4MC2LL0HOQ2TFQL1");
     }
@@ -15,20 +16,23 @@ public class AlphaVantage extends DataSource {
     public double[] update(String stype, String idstring) {
         double[] result = {0.0, 0.0};
         try {
-            String urlString = Net.urlStringBuilder(url,
-                    "function", "GLOBAL_QUOTE",
-                    "symbol", idstring,
+            String urlString = Net.urlStringBuilder(url, "function", "TIME_SERIES_INTRADAY", "symbol", idstring,
+                    "interval", "5min",
                     "apikey", apiKey);
             JsonObject response = StockJson.urlToJson(urlString);
-            JsonObject mainJson = StockJson.jsonInJson(response, "Global Quote");
-            result[0] = Double.parseDouble(StockJson.stringGetter(mainJson, "05. price"));
-            result[1] = StockJson.doublePercent(mainJson, "10. change percent");
+            JsonObject preJson = StockJson.jsonInJson(response, "Time Series (5min)");
+            JsonObject mainJson = StockJson.timeSeriesElement(preJson, 0);
+            System.out.print(mainJson);
+            result[0] = Double.parseDouble(StockJson.stringGetter(mainJson, "4. close"));
+            Double open = Double.parseDouble(StockJson.stringGetter(mainJson, "1. open"));
+            result[1] = (result[0] - open) / open;
         } catch (ParaMismatchException e) {
             e.printStackTrace();
         } catch (IOException e) {
             System.out.println("Error getting data from: " + name);
-            e.printStackTrace();
+            //e.printStackTrace();
         }
         return result;
     }
+
 }

src/main/network/StockJson.java

@@ -4,8 +4,11 @@ import javax.json.Json;
 import javax.json.JsonObject;
 import javax.json.JsonReader;
 import javax.json.JsonNumber;
+import javax.json.JsonArray;
+import javax.json.JsonValue;
 import java.io.InputStream;
 import java.io.IOException;
+import java.util.Iterator;
 
 //Json library from https://docs.oracle.com/javaee/7/api/javax/json/Json.html
 public class StockJson {
@@ -40,4 +43,10 @@ public class StockJson {
         String temp = stringGetter(jobj, name);
         return Double.parseDouble(temp.split("%")[0]);
     }
+
+    // From https://stackoverflow.com/questions/33531041/jsonobject-get-value-of-first-node-regardless-of-name
+    public static JsonObject timeSeriesElement(JsonObject jobj, int index) {
+        String name = (String) jobj.keySet().toArray()[index];
+        return jsonInJson(jobj, name);
+    }
 }