Merged race scaling with Http Match Discovery.

racevisionGame/src/main/java/shared/utils/JsonReader.java

@@ -9,10 +9,16 @@ import java.net.URL;
 import java.nio.charset.Charset;
 
 /**
- * Created by Gondr on 23/05/2017.
+ * A helper class that has functions to read information from a url to json object.
  */
 public class JsonReader {
 
+    /**
+     * Reads all data from a Reader
+     * @param rd reader to read from
+     * @return string that the reader has currently read
+     * @throws IOException if the reader is invalid
+     */
     private static String readAll(Reader rd) throws IOException {
         StringBuilder sb = new StringBuilder();
         int cp;
@@ -22,6 +28,13 @@ public class JsonReader {
         return sb.toString();
     }
 
+    /**
+     * Reads a Json Object from a URL
+     * @param url url to read from
+     * @return JSONObject that has been read
+     * @throws IOException if the reader cannot obtain information
+     * @throws JSONException if the read information is not json parsable.
+     */
     public static JSONObject readJsonFromUrl(String url) throws IOException, JSONException {
         InputStream is = new URL(url).openStream();
         try {
@@ -36,6 +49,13 @@ public class JsonReader {
         }
     }
 
+    /**
+     * Reads a Json Array from a URL
+     * @param url url to read from
+     * @return JSONArray that has been read
+     * @throws IOException if the reader cannot obtain information
+     * @throws JSONException if the read information is not json parsable.
+     */
     public static JSONArray readJsonFromUrlArray(String url) throws IOException, JSONException {
         InputStream is = new URL(url).openStream();
         try {