add support for real-world and custom sunrise/sunset times (closes #2)

src/main/java/io/github/jack1424/realtimeweather/requests/WeatherRequestObject.java

@@ -0,0 +1,66 @@
+package io.github.jack1424.realtimeweather.requests;
+
+import org.json.simple.JSONArray;
+import org.json.simple.JSONObject;
+import org.json.simple.parser.JSONParser;
+import org.json.simple.parser.ParseException;
+
+import javax.naming.ConfigurationException;
+import javax.net.ssl.HttpsURLConnection;
+import java.io.IOException;
+import java.net.ProtocolException;
+import java.net.URL;
+import java.util.Scanner;
+
+public class WeatherRequestObject {
+	private boolean rain = false, thunder = false;
+
+	public WeatherRequestObject(String apiKey, String lat, String lon) throws IOException, ParseException, ConfigurationException {
+		URL url = new URL(String.format("https://api.openweathermap.org/data/2.5/weather?lat=%s&lon=%s&appid=%s", lat, lon, apiKey));
+
+		HttpsURLConnection con = (HttpsURLConnection) url.openConnection();
+		con.setRequestMethod("GET");
+		con.connect();
+		int responseCode = con.getResponseCode();
+		if (responseCode > 499) {
+			throw new ProtocolException("Server/client error (HTTP error " + responseCode + ")");
+		}
+		else if (responseCode > 399) {
+			String message = "Error when getting weather information: ";
+
+			if (responseCode == 401)
+				throw new ConfigurationException(message + "API key invalid. Check the Wiki for troubleshooting steps.");
+			else
+				throw new ProtocolException(message + "Unknown error");
+		}
+
+		Scanner scanner = new Scanner(url.openStream());
+		StringBuilder data = new StringBuilder();
+		while (scanner.hasNext()) {
+			data.append(scanner.nextLine());
+		}
+		scanner.close();
+
+		JSONArray conditions = (JSONArray) ((JSONObject) new JSONParser().parse(data.toString())).get("weather");
+
+		for (Object rawCondition : conditions) {
+			int id = Integer.parseInt(String.valueOf(((JSONObject) rawCondition).get("id")));
+
+			while (id >= 10)
+				id /= 10;
+
+			if (!rain)
+				rain = id == 2 || id == 3 || id == 5 || id == 6;
+			if (!thunder)
+				thunder = id == 2;
+		}
+	}
+
+	public boolean isRaining() {
+		return rain;
+	}
+
+	public boolean isThundering() {
+		return thunder;
+	}
+}