ali.arshad.soomro.openweathermap.androidsdk.WeatherUtil.java Source code

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Here is the source code for ali.arshad.soomro.openweathermap.androidsdk.WeatherUtil.java

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/** Copyright [2014-15] [Arshad Ali Soomro,
 *  http://source-code-android.blogspot.com/] Licensed under the
 *  Educational Community License, Version 2.0 (the "License"); you may
 *  not use this file except in compliance with the License. You may
 *  obtain a copy of the License at
 *  
 *  http://www.osedu.org/licenses/ECL-2.0
 * 
 *  Unless required by applicable law or agreed to in writing,
 *  software distributed under the License is distributed on an "AS IS"
 *  BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express
 *  or implied. See the License for the specific language governing
 *  permissions and limitations under the License. */
package ali.arshad.soomro.openweathermap.androidsdk;

import java.io.IOException;
import java.io.InputStream;
import java.net.MalformedURLException;

import org.apache.http.HttpEntity;
import org.apache.http.HttpResponse;
import org.apache.http.client.ClientProtocolException;
import org.apache.http.client.HttpClient;
import org.apache.http.client.methods.HttpGet;
import org.apache.http.impl.client.DefaultHttpClient;
import org.apache.http.util.EntityUtils;
import org.json.JSONObject;

import android.content.Context;
import android.graphics.Bitmap;
import android.graphics.BitmapFactory;

import com.google.gson.Gson;

public class WeatherUtil {

    protected final String URL_NAME = "http://api.openweathermap.org/data/2.5/weather?q=";
    protected final String URL_ID = "http://api.openweathermap.org/data/2.5/weather?id=";
    protected final String URL_GEO_CO = "http://api.openweathermap.org/data/2.5/weather?lat=";
    protected final String ICO_URI = "http://openweathermap.org/img/w/";
    protected final String GEO_CO = "&lon=";
    protected final String UNIT = "&units=metric";
    protected final String MODE = "&mode=json";
    protected final String LANG = "&lang=";
    protected JSONObject jsonObject = null;

    public static WeatherUtil newInstance() {

        return new WeatherUtil();
    }

    public WeatherInfo getCurrentWeatherByCityName(Context context, String city) {
        WeatherInfo model = new WeatherInfo();
        try {

            Gson gson = new Gson();
            model = gson.fromJson(weatherByCityName(context, city), WeatherInfo.class);
            return model;
        } catch (ClientProtocolException e) {
            e.printStackTrace();
            return null;
        } catch (IOException e) {
            e.printStackTrace();
            return null;
        }
    }

    public WeatherInfo getCurrentWeatherByCityID(Context context, String cityId) {
        WeatherInfo model = new WeatherInfo();
        try {
            Gson gson = new Gson();
            model = gson.fromJson(weatherById(context, cityId), WeatherInfo.class);
            return model;
        } catch (ClientProtocolException e) {
            e.printStackTrace();
            return null;
        } catch (IOException e) {
            e.printStackTrace();
            return null;
        }
    }

    public WeatherInfo getCurrentWeatherByCityLatLon(Context context, String latLon) {
        WeatherInfo model = new WeatherInfo();
        try {
            Gson gson = new Gson();
            model = gson.fromJson(weatherByGeoCo(context, latLon), WeatherInfo.class);
            return model;
        } catch (ClientProtocolException e) {
            e.printStackTrace();
            return null;
        } catch (IOException e) {
            e.printStackTrace();
            return null;
        }
    }

    public WeatherInfo getCurrentWeatherByCityName(Context context, String city, String language) {
        WeatherInfo model = new WeatherInfo();
        try {
            Gson gson = new Gson();
            model = gson.fromJson(weatherByCityName(context, city, language), WeatherInfo.class);
            return model;
        } catch (ClientProtocolException e) {
            e.printStackTrace();
            return null;
        } catch (IOException e) {
            e.printStackTrace();
            return null;
        }
    }

    public WeatherInfo getCurrentWeatherByCityID(Context context, String cityId, String language) {
        WeatherInfo model = new WeatherInfo();
        try {
            Gson gson = new Gson();
            model = gson.fromJson(weatherById(context, cityId, language), WeatherInfo.class);
            return model;
        } catch (ClientProtocolException e) {
            e.printStackTrace();
            return null;
        } catch (IOException e) {
            e.printStackTrace();
            return null;
        }
    }

    public WeatherInfo getCurrentWeatherByCityLatLon(Context context, String latLon, String language) {
        WeatherInfo model = new WeatherInfo();
        try {
            Gson gson = new Gson();
            model = gson.fromJson(weatherByGeoCo(context, latLon, language), WeatherInfo.class);
            return model;
        } catch (ClientProtocolException e) {
            e.printStackTrace();
            return null;
        } catch (IOException e) {
            e.printStackTrace();
            return null;
        }
    }

    private String weatherByCityName(Context context, String city) throws ClientProtocolException, IOException {
        HttpClient httpClient = null;
        StringBuilder url = new StringBuilder(URL_NAME);
        url.append(city);
        url.append(UNIT);
        HttpGet httpRequest = new HttpGet(url.toString());
        httpClient = new DefaultHttpClient();
        HttpResponse httpResponse = httpClient.execute(httpRequest);
        int statusCode = httpResponse.getStatusLine().getStatusCode();
        if (statusCode == 200) {
            HttpEntity httpEntity = httpResponse.getEntity();
            String josnDataString = EntityUtils.toString(httpEntity);
            return josnDataString;

        } else {
            return null;
        }
    }

    private String weatherById(Context context, String id) throws ClientProtocolException, IOException {
        HttpClient httpClient = null;
        StringBuilder url = new StringBuilder(URL_ID);
        url.append(id);
        url.append(UNIT);
        HttpGet httpRequest = new HttpGet(url.toString());
        httpClient = new DefaultHttpClient();
        HttpResponse httpResponse = httpClient.execute(httpRequest);
        int statusCode = httpResponse.getStatusLine().getStatusCode();
        if (statusCode == 200) {
            HttpEntity httpEntity = httpResponse.getEntity();
            String josnDataString = EntityUtils.toString(httpEntity);
            return josnDataString;
        } else {
            return null;
        }
    }

    private String weatherByGeoCo(Context context, String latLon) throws ClientProtocolException, IOException {
        HttpClient httpClient = null;
        StringBuilder url = new StringBuilder(URL_GEO_CO);
        String[] latLonValue = latLon.trim().split("\\s*,\\s*");
        url.append(latLonValue[0]);
        url.append(GEO_CO);
        url.append(latLonValue[1]);
        url.append(UNIT);
        HttpGet httpRequest = new HttpGet(url.toString());
        httpClient = new DefaultHttpClient();
        HttpResponse httpResponse = httpClient.execute(httpRequest);
        int statusCode = httpResponse.getStatusLine().getStatusCode();
        if (statusCode == 200) {
            HttpEntity httpEntity = httpResponse.getEntity();
            String josnDataString = EntityUtils.toString(httpEntity);
            return josnDataString;
        } else {
            return null;
        }
    }

    private String weatherByCityName(Context context, String city, String language)
            throws ClientProtocolException, IOException {
        HttpClient httpClient = null;
        StringBuilder url = new StringBuilder(URL_NAME);
        url.append(city);
        url.append(UNIT);
        url.append(LANG);
        url.append(language);
        HttpGet httpRequest = new HttpGet(url.toString());
        httpClient = new DefaultHttpClient();
        HttpResponse httpResponse = httpClient.execute(httpRequest);
        int statusCode = httpResponse.getStatusLine().getStatusCode();
        if (statusCode == 200) {
            HttpEntity httpEntity = httpResponse.getEntity();
            String josnDataString = EntityUtils.toString(httpEntity);
            return josnDataString;
        } else {
            return null;
        }
    }

    private String weatherById(Context context, String id, String language)
            throws ClientProtocolException, IOException {
        HttpClient httpClient = null;
        StringBuilder url = new StringBuilder(URL_ID);
        url.append(id);
        url.append(UNIT);
        url.append(LANG);
        url.append(language);
        HttpGet httpRequest = new HttpGet(url.toString());
        httpClient = new DefaultHttpClient();
        HttpResponse httpResponse = httpClient.execute(httpRequest);
        int statusCode = httpResponse.getStatusLine().getStatusCode();
        if (statusCode == 200) {
            HttpEntity httpEntity = httpResponse.getEntity();
            String josnDataString = EntityUtils.toString(httpEntity);
            return josnDataString;
        } else {
            return null;
        }
    }

    private String weatherByGeoCo(Context context, String latLon, String language)
            throws ClientProtocolException, IOException {
        HttpClient httpClient = null;
        StringBuilder url = new StringBuilder(URL_GEO_CO);
        String[] latLonValue = latLon.trim().split("\\s*,\\s*");
        url.append(latLonValue[0]);
        url.append(GEO_CO);
        url.append(latLonValue[1]);
        url.append(UNIT);
        url.append(LANG);
        url.append(language);
        HttpGet httpRequest = new HttpGet(url.toString());
        httpClient = new DefaultHttpClient();
        HttpResponse httpResponse = httpClient.execute(httpRequest);
        int statusCode = httpResponse.getStatusLine().getStatusCode();
        if (statusCode == 200) {
            HttpEntity httpEntity = httpResponse.getEntity();
            String josnDataString = EntityUtils.toString(httpEntity);
            return josnDataString;
        } else {
            return null;
        }
    }

    public Bitmap getIconBitmap(WeatherInfo uri) {
        StringBuilder imgUri = new StringBuilder(ICO_URI);
        imgUri.append(uri.getWeather().get(0).getIcon());
        Bitmap imgIcon = null;

        InputStream in;
        try {
            in = new java.net.URL(imgUri.toString()).openStream();
            imgIcon = BitmapFactory.decodeStream(in);
            return imgIcon;
        } catch (MalformedURLException e) {
            // TODO Auto-generated catch block
            e.printStackTrace();
            return null;
        } catch (IOException e) {
            // TODO Auto-generated catch block
            e.printStackTrace();
            return null;
        }

    }
}