sZE0FniG

1MyJson.java
2===================
3package Weather;
4
5import org.json.JSONException;
6import org.json.JSONObject;
7
8import java.io.BufferedReader;
9import java.io.IOException;
10import java.io.InputStream;
11import java.io.InputStreamReader;
12import java.net.MalformedURLException;
13import java.net.URL;
14import java.nio.charset.Charset;
15
16public class MyJson {
17    public final String API_URL ="https://api.darksky.net/forecast/"; //url of the site
18    private String apiKey; //api key from the site
19    private String GPSlocation; //gps loaction
20    private String rawData; //raw data
21    private String fullURL; //full url location
22    private String cityName;
23    JSONObject jsonObject;
24
25    public MyJson(String apiKey, String GPSlocation, String cityName) throws IOException, JSONException {
26        this.apiKey = apiKey;
27        this.GPSlocation = GPSlocation;
28        this.cityName = cityName;
29        //create a full url for the api....
30        this.fullURL = API_URL+this.apiKey+"/"+this.GPSlocation;
31        //readJsonFromURL();
32    }
33
34    private JSONObject readJsonFromURL() throws IOException, JSONException {
35        //openm a connection to the internet with input stream
36        InputStream is = new URL(this.fullURL).openStream();
37        //create a buffer for collection all the data
38        BufferedReader buf = new BufferedReader(new InputStreamReader(is, Charset.forName("UTF-8")));
39        //read all data and append it to one happy String
40        String jsonText = readAll(buf);
41        //convert to json object, so we can use the json power.
42        jsonObject = new JSONObject(jsonText);
43        //return the json object
44        return jsonObject;
45    }
46
47    private String readAll(BufferedReader rd) throws IOException{
48        //create a string builder
49        StringBuilder sb = new StringBuilder();
50        //create a char pointer
51        int cp;
52        while ((cp=rd.read()) != -1) {
53            //append the char to our String builder
54            sb.append((char) cp);
55        }
56        //return the result
57        rawData=sb.toString();
58        return sb.toString();
59    }
60
61    //get raw data for testing our communication
62    public String getRaw(){
63        return rawData;
64    }
65
66    private int getClouds(JSONObject cur) throws IOException, JSONException {
67        int cloud =(int)(cur.getDouble("cloudCover")*100);
68        return cloud;
69    }
70
71    private int getTemp(JSONObject cur) throws IOException, JSONException{
72        int temp=(int)cur.getDouble("temperature");
73        return (int)((temp-32) /1.8);
74    }
75
76    public boolean openBoiler(int tolerance,int minTemp) throws IOException, JSONException {
77        JSONObject myData = readJsonFromURL();
78        JSONObject currently = myData.getJSONObject("currently");
79
80        return getClouds(currently)>tolerance && getTemp(currently)<minTemp;
81    }
82
83
84}
85
86
87
88Tester.java
89=================
90package Weather;
91
92import org.json.JSONException;
93
94import java.io.IOException;
95
96public class Tester {
97    public static void main(String[] args) throws IOException, JSONException {
98        MyJson myData = new MyJson("0e3a4cef498bc2ad18a97e1817c79e87","50.4019514,30.6727719","Ramat-Gan");
99        //System.out.println(myData.getRaw());
100        System.out.println("Getting data from the web.");
101        //get clouds
102        System.out.println("Need to open boiler:"+myData.openBoiler(30));
103    }
104}