com.android.projecte.townportal.WeatherInfo.java Source code

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Here is the source code for com.android.projecte.townportal.WeatherInfo.java

Source

package com.android.projecte.townportal;

import java.text.SimpleDateFormat;
import java.util.Calendar;
import java.util.Locale;
import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStream;
import java.io.InputStreamReader;
import java.io.UnsupportedEncodingException;
import org.apache.http.HttpEntity;
import org.apache.http.HttpResponse;
import org.apache.http.client.ClientProtocolException;
import org.apache.http.client.methods.HttpPost;
import org.apache.http.impl.client.DefaultHttpClient;
import org.json.JSONException;
import org.json.JSONObject;

/*
 * WeatherInfo
 * Description: class used to get JSON object with weather information, and functions to convert information
 */

public class WeatherInfo {

    private static InputStream content = null;
    private static JSONObject jObj = null;
    private static String json = "";

    //Empty constructor
    WeatherInfo() {
    }

    /*
     * getJSONfromUrl
     * Description: Get JSON object from openweathermap
     */
    public JSONObject getJSONFromUrl(String url) {

        try {

            DefaultHttpClient httpClient = new DefaultHttpClient();
            HttpPost httpPost = new HttpPost(url);
            HttpResponse httpResponse = httpClient.execute(httpPost);
            HttpEntity httpEntity = httpResponse.getEntity();
            content = httpEntity.getContent();
        } catch (UnsupportedEncodingException e) {
            e.printStackTrace();
        } catch (ClientProtocolException e) {
            e.printStackTrace();
        } catch (IOException e) {
            e.printStackTrace();
        }
        try {
            BufferedReader reader = new BufferedReader(new InputStreamReader(content, "iso-8859-1"), 8);
            StringBuilder sb = new StringBuilder();
            String line = null;
            while ((line = reader.readLine()) != null) {
                sb.append(line);
            }
            content.close();
            json = sb.toString();
        } catch (Exception e) {
            e.printStackTrace();
        }

        try {
            jObj = new JSONObject(json);
        } catch (JSONException e) {
            e.printStackTrace();
        }

        return jObj;
    }

    /*
     * convert temperature
     * Description: Convert temperature from Kelvin to Farenheit
     */
    public Double convertTemperature(double double1) {
        Double result;
        result = 9 * (double1 - 273.15) / 5 + 32;
        return result;
    }

    /*
     * convert Date
     * Description: Convert date from unix format to HH:mm
     */
    public String convertDate(long unixTime) {
        SimpleDateFormat sdf = new SimpleDateFormat("HH:mm", Locale.US);
        Calendar cal = Calendar.getInstance();
        cal.setTimeInMillis(unixTime * 1000);
        sdf.setTimeZone(cal.getTimeZone());
        return sdf.format(cal.getTime());
    }

    /*
     * convert Speed
     * Description: Convert speed from mps to mph
     */
    public String convertSpeed(Double mps) {
        Double res;
        String mph;
        res = mps * 60 * 60 * 100 / 2.54 / 12 / 5280;
        mph = Double.toString(Math.round(res));
        return mph;
    }

    /*
     * Convert openweather icon to drawable
     * Icons from: //https://www.iconfinder.com/search/?q=weather+icons&license=2&maximum=256&price=free
     */
    public int getWeatherResource(String id) {
        if (id.equals("01d"))
            return R.drawable.w01d;
        else if (id.equals("01n"))
            return R.drawable.w01n;
        else if (id.equals("02d") || id.equals("02n"))
            return R.drawable.w02d;
        else if (id.equals("03d") || id.equals("03n"))
            return R.drawable.cloud2;
        else if (id.equals("04d") || id.equals("04n"))
            return R.drawable.w04d;
        else if (id.equals("09d") || id.equals("09n"))
            return R.drawable.w500d;
        else if (id.equals("10d") || id.equals("10n"))
            return R.drawable.w501d;
        else if (id.equals("11d") || id.equals("11n"))
            return R.drawable.w11d;
        else if (id.equals("13d") || id.equals("13n"))
            return R.drawable.w13d;
        else if (id.equals("50d") || id.equals("50n"))
            return R.drawable.w50d;

        return R.drawable.w01d;

    }

}